[INFO] updating cached repository https://github.com/cmaves/VisualSpectrum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2eb385d1c1ffb1b4d9e07ba0ce6b425b5dbdfe72
[INFO] testing cmaves/VisualSpectrum against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2FVisualSpectrum" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmaves/VisualSpectrum on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cmaves/VisualSpectrum
[INFO] finished tweaking git repo https://github.com/cmaves/VisualSpectrum
[INFO] tweaked toml for git repo https://github.com/cmaves/VisualSpectrum written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/cmaves/VisualSpectrum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 066ac3820916fa5086afb814f12aaaca97e4032205826fb6093a1758bcf5bb14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "066ac3820916fa5086afb814f12aaaca97e4032205826fb6093a1758bcf5bb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066ac3820916fa5086afb814f12aaaca97e4032205826fb6093a1758bcf5bb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066ac3820916fa5086afb814f12aaaca97e4032205826fb6093a1758bcf5bb14", kill_on_drop: false }`
[INFO] [stdout] 066ac3820916fa5086afb814f12aaaca97e4032205826fb6093a1758bcf5bb14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bf6d1c1a399ec33a68316f5fce0ae1abf8f26b8aa95e77b1f7d0b9ebf0aa8f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2bf6d1c1a399ec33a68316f5fce0ae1abf8f26b8aa95e77b1f7d0b9ebf0aa8f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling strength_reduce v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling jack-sys v0.2.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling jack v0.6.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rustfft v3.0.0
[INFO] [stderr]    Compiling random_color v0.4.4
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling rs_ws281x v0.2.3
[INFO] [stderr]    Compiling spectrum v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `sample_size`
[INFO] [stdout]   --> src/audio.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     sample_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `source`
[INFO] [stdout]   --> src/audio.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     source: ActiveSource
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `frame_len`
[INFO] [stdout]    --> src/midi.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     frame_len: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fps`
[INFO] [stdout]    --> src/midi.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fps: u32
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pulse`
[INFO] [stdout]   --> src/visualmidi.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pulse: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/led.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             self.controller.render();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     midi_con.display(jack_client);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.spectrum.7yg2llv1-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2" "/opt/rustwide/target/debug/deps/spectrum-79f448e1f113beb2.7o8dimrsvmzwu5i.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "\"/opt/rustwide/target/debug/build/rs_ws281x-10c3c98e59bc6693/out\"" "-L" "/opt/rustwide/target/debug/build/rs_ws281x-10c3c98e59bc6693/out" "-L" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libspectrum-2fcf2ca70c7b2e35.rlib" "/opt/rustwide/target/debug/deps/libjack-56980f2ee99ae5ed.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-c1ea1c2afb3091f1.rlib" "/opt/rustwide/target/debug/deps/liblibloading-1ddb0d6447a755c9.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7c0477ae3415ac1f.rlib" "/opt/rustwide/target/debug/deps/librandom_color-07a9926bc4906fe9.rlib" "/opt/rustwide/target/debug/deps/librand-c23ac0cb9c5aeb84.rlib" "/opt/rustwide/target/debug/deps/librand-b2dcfdd4bb0da6e0.rlib" "/opt/rustwide/target/debug/deps/librustfft-07b1a36e439a1703.rlib" "/opt/rustwide/target/debug/deps/libtranspose-85ff903c7c005189.rlib" "/opt/rustwide/target/debug/deps/libstrength_reduce-acd8890d74f5b401.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-358fe0e5d9f78a58.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-1d149a005b62aed2.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-7a9b960bffec9c7c.rlib" "/opt/rustwide/target/debug/deps/librs_ws281x-318a91762160c77a.rlib" "/opt/rustwide/target/debug/deps/libserde-92dcff100464a08b.rlib" "/opt/rustwide/target/debug/deps/libclap-1c2aa8e6dde74a1b.rlib" "/opt/rustwide/target/debug/deps/libvec_map-5dc04564fb1f035e.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-aa5cd5e90742cdf0.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-1f71f8e1b468a0fb.rlib" "/opt/rustwide/target/debug/deps/libstrsim-e44af4ab13090443.rlib" "/opt/rustwide/target/debug/deps/libbitflags-56eca94422237621.rlib" "/opt/rustwide/target/debug/deps/libatty-7c299896c2066eed.rlib" "/opt/rustwide/target/debug/deps/liblibc-bc4d1c0bd602a9ef.rlib" "/opt/rustwide/target/debug/deps/libansi_term-22553bc1a6ab7a23.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4d6da34bc177af8d.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-10e0d6c948699482.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2318e2415657781.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-3815b93ed84badbb.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-d7999143d95238cb.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c58298a0d40df8b8.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b7de97e2ba6fb4e2.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f71c9f654d72cce.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-95ea48ddc44a311b.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -ljack
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spectrum`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2bf6d1c1a399ec33a68316f5fce0ae1abf8f26b8aa95e77b1f7d0b9ebf0aa8f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf6d1c1a399ec33a68316f5fce0ae1abf8f26b8aa95e77b1f7d0b9ebf0aa8f2", kill_on_drop: false }`
[INFO] [stdout] 2bf6d1c1a399ec33a68316f5fce0ae1abf8f26b8aa95e77b1f7d0b9ebf0aa8f2