The time is now Mon, 17 Aug 2026 22:21:39 -0500
(/usr/bin/env PLTUSERHOME=/home/root//user PLT_PKG_BUILD_SERVICE=1 CI=true PLT_INFO_ALLOW_VARS=;PLT_PKG_BUILD_SERVICE PLTCOMPILEDROOTS=/home/root//zo: /usr/bin/xvfb-run --auto-servernum /bin/sh -c cd "/home/root/"/racket && bin/racket -MCR "/home/root/"/zo: -l- raco pkg install --jobs 1 -u --auto lti-freq-domain-toolbox && bin/racket -MCR "/home/root/"/zo: -l- raco test --jobs 1 --drdr --package lti-freq-domain-toolbox)
Resolved "lti-freq-domain-toolbox" via file:///home/root//catalogs/built/catalog
raco setup: version: 9.3.0.2
raco setup: platform: aarch64-linux-natipkg [cs]
raco setup: target machine: any
raco setup: cross-installation: yes
raco setup: installation name: 9.3.0.2
raco setup: variants: cs
raco setup: main collects: /home/root/racket/collects/
raco setup: collects paths: 
raco setup:   /home/root/user/.local/share/racket/9.3.0.2/collects
raco setup:   /home/root/racket/collects/
raco setup: main pkgs: /home/root/racket/share/pkgs
raco setup: pkgs paths: 
raco setup:   /home/root/racket/share/pkgs
raco setup:   /home/root//user/.local/share/racket/9.3.0.2/pkgs
raco setup: links files: 
raco setup:   /home/root/racket/share/links.rktd
raco setup:   /home/root//user/.local/share/racket/9.3.0.2/links.rktd
raco setup: compiled-file roots: 
raco setup:   /home/root//zo
raco setup:   same
raco setup: --- updating info-domain tables ---                    [3:21:41]
raco setup: updating: /home/root/user/.local/share/racket/9.3.0.2/share/info-cache.rktd
raco setup: --- pre-installing collections ---                     [3:21:41]
raco setup: --- installing foreign libraries ---                   [3:21:41]
raco setup: --- installing shared files ---                        [3:21:41]
raco setup: --- compiling collections ---                          [3:21:41]
raco setup: making: <pkgs>/lti-freq-domain-toolbox
raco setup:  in <pkgs>/lti-freq-domain-toolbox
raco setup:  in <pkgs>/lti-freq-domain-toolbox/elements
raco setup:  in <pkgs>/lti-freq-domain-toolbox/math_library
raco setup:  in <pkgs>/lti-freq-domain-toolbox/util
raco setup:  in <pkgs>/lti-freq-domain-toolbox/features
raco setup:  in <pkgs>/lti-freq-domain-toolbox/math_library/assets
raco setup:  in <pkgs>/lti-freq-domain-toolbox/doc
raco setup: making: <pkgs>/lti-freq-domain-toolbox/elements
raco setup: making: <pkgs>/lti-freq-domain-toolbox/features
raco setup: making: <pkgs>/lti-freq-domain-toolbox/math_library
raco setup: making: <pkgs>/lti-freq-domain-toolbox/math_library/assets
raco setup: making: <pkgs>/lti-freq-domain-toolbox/math_library/assets/durand-kerner
raco setup: making: <pkgs>/lti-freq-domain-toolbox/math_library/assets/next-pow-2
raco setup: making: <pkgs>/lti-freq-domain-toolbox/math_library/assets/talbot
raco setup: making: <pkgs>/lti-freq-domain-toolbox/math_library/assets/talbot/talbot_1
raco setup: making: <pkgs>/lti-freq-domain-toolbox/math_library/assets/talbot/talbot_2
raco setup: making: <pkgs>/lti-freq-domain-toolbox/util
raco setup: --- creating launchers ---                             [3:21:43]
raco setup: --- installing man pages ---                           [3:21:43]
raco setup: --- building documentation ---                         [3:21:43]
raco setup: running: <pkgs>/racket-index/scribblings/main/user/family.scrbl
raco setup: running: <pkgs>/racket-index/scribblings/main/user/local-redirect.scrbl
raco setup: syncing: <pkgs>/lti-freq-domain-toolbox/doc/lti-freq-domain-toolbox
raco setup: running: <pkgs>/racket-index/scribblings/main/user/release.scrbl
raco setup: running: <pkgs>/racket-index/scribblings/main/user/search.scrbl
raco setup: running: <pkgs>/racket-index/scribblings/main/user/start.scrbl
raco setup: rendering: <pkgs>/racket-index/scribblings/main/user/family.scrbl
raco setup: rendering: <pkgs>/racket-index/scribblings/main/user/local-redirect.scrbl
raco setup: rendering: <pkgs>/racket-index/scribblings/main/user/release.scrbl
raco setup: rendering: <pkgs>/racket-index/scribblings/main/user/search.scrbl
raco setup: rendering: <pkgs>/racket-index/scribblings/main/user/start.scrbl
raco setup: --- installing collections ---                         [3:21:47]
raco setup: --- post-installing collections ---                    [3:21:47]
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/circuits.rkt")
circuits.rkt: racket test: #<<non-empty stderr
ffi-lib: could not load foreign library
  path: libcairo.so.2
  system error: libcairo.so.2: cannot open shared object file: No such file or directory
  context...:
   /home/root/racket/collects/ffi/unsafe/private/ffi-lib.rkt:18:0: get-ffi-lib*
   body of "/home/root/racket/share/pkgs/draw-lib/racket/draw/unsafe/cairo-lib.rkt"
   /home/root/racket/share/pkgs/compiler-lib/compiler/commands/test.rkt:98:2
   body of (submod "/home/root/racket/share/pkgs/compiler-lib/compiler/commands/test.rkt" process)
   body of top-level

non-empty stderr
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/doc/lti-freq-domain-toolbox.scrbl")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/elements/adder.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/elements/block.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/elements/general.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/elements/tf.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/features/characteristic_numbers.rkt")
characteristic_numbers.rkt: racket test: #<<non-empty stderr
ffi-lib: could not load foreign library
  path: libcairo.so.2
  system error: libcairo.so.2: cannot open shared object file: No such file or directory
  context...:
   /home/root/racket/collects/ffi/unsafe/private/ffi-lib.rkt:18:0: get-ffi-lib*
   body of "/home/root/racket/share/pkgs/draw-lib/racket/draw/unsafe/cairo-lib.rkt"
   /home/root/racket/share/pkgs/compiler-lib/compiler/commands/test.rkt:98:2
   body of (submod "/home/root/racket/share/pkgs/compiler-lib/compiler/commands/test.rkt" process)
   body of top-level

non-empty stderr
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/features/plot_freq_domain.rkt")
plot_freq_domain.rkt: racket test: #<<non-empty stderr
ffi-lib: could not load foreign library
  path: libcairo.so.2
  system error: libcairo.so.2: cannot open shared object file: No such file or directory
  context...:
   /home/root/racket/collects/ffi/unsafe/private/ffi-lib.rkt:18:0: get-ffi-lib*
   body of "/home/root/racket/share/pkgs/draw-lib/racket/draw/unsafe/cairo-lib.rkt"
   /home/root/racket/share/pkgs/compiler-lib/compiler/commands/test.rkt:98:2
   body of (submod "/home/root/racket/share/pkgs/compiler-lib/compiler/commands/test.rkt" process)
   body of top-level

non-empty stderr
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/features/plot_time_domain.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/features/total_tf_parsing.rkt")
plot_time_domain.rkt: racket test: #<<non-empty stderr
ffi-lib: could not load foreign library
  path: libcairo.so.2
  system error: libcairo.so.2: cannot open shared object file: No such file or directory
  context...:
   /home/root/racket/collects/ffi/unsafe/private/ffi-lib.rkt:18:0: get-ffi-lib*
   body of "/home/root/racket/share/pkgs/draw-lib/racket/draw/unsafe/cairo-lib.rkt"
   /home/root/racket/share/pkgs/compiler-lib/compiler/commands/test.rkt:98:2
   body of (submod "/home/root/racket/share/pkgs/compiler-lib/compiler/commands/test.rkt" process)
   body of top-level

non-empty stderr
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/info.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/main.rkt")
main.rkt: racket test: #<<non-empty stderr
ffi-lib: could not load foreign library
  path: libcairo.so.2
  system error: libcairo.so.2: cannot open shared object file: No such file or directory
  context...:
   /home/root/racket/collects/ffi/unsafe/private/ffi-lib.rkt:18:0: get-ffi-lib*
   body of "/home/root/racket/share/pkgs/draw-lib/racket/draw/unsafe/cairo-lib.rkt"
   /home/root/racket/share/pkgs/compiler-lib/compiler/commands/test.rkt:98:2
   body of (submod "/home/root/racket/share/pkgs/compiler-lib/compiler/commands/test.rkt" process)
   body of top-level

non-empty stderr
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/math_library/assets/complex-polynomial-roots.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/math_library/general.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/math_library/numerical_analysis.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/math_library/symbolic_algebra.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/util/display_modes.rkt")
raco test: (file "/home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/util/metrics.rkt")
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/doc/lti-freq-domain-toolbox.scrbl
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/elements/adder.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/elements/block.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/elements/general.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/elements/tf.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/features/total_tf_parsing.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/info.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/math_library/assets/complex-polynomial-roots.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/math_library/general.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/math_library/numerical_analysis.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/math_library/symbolic_algebra.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/util/display_modes.rkt
  0 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/util/metrics.rkt
1 1 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/circuits.rkt
1 1 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/features/characteristic_numbers.rkt
1 1 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/features/plot_freq_domain.rkt
1 1 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/features/plot_time_domain.rkt
1 1 /home/root//user/.local/share/racket/9.3.0.2/pkgs/lti-freq-domain-toolbox/main.rkt
5/5 test failures
The time is now Mon, 17 Aug 2026 22:21:54 -0500