[INFO] cloning repository https://github.com/cmaves/VisualSpectrum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmaves/VisualSpectrum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2FVisualSpectrum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2FVisualSpectrum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2eb385d1c1ffb1b4d9e07ba0ce6b425b5dbdfe72
[INFO] testing cmaves/VisualSpectrum against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2FVisualSpectrum" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmaves/VisualSpectrum on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-11/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.3.5
[INFO] [stderr]   Downloaded transpose v0.1.0
[INFO] [stderr]   Downloaded clang-sys v0.23.0
[INFO] [stderr]   Downloaded rustfft v3.0.0
[INFO] [stderr]   Downloaded rs_ws281x v0.2.3
[INFO] [stderr]   Downloaded jack-sys v0.2.0
[INFO] [stderr]   Downloaded strength_reduce v0.2.2
[INFO] [stderr]   Downloaded bindgen v0.37.4
[INFO] [stderr]   Downloaded jack v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86590d8a3fbd5972e41407d479fe46c87eadd5a7cc1984bd87d95cb60873c797
[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" "86590d8a3fbd5972e41407d479fe46c87eadd5a7cc1984bd87d95cb60873c797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86590d8a3fbd5972e41407d479fe46c87eadd5a7cc1984bd87d95cb60873c797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86590d8a3fbd5972e41407d479fe46c87eadd5a7cc1984bd87d95cb60873c797", kill_on_drop: false }`
[INFO] [stdout] 86590d8a3fbd5972e41407d479fe46c87eadd5a7cc1984bd87d95cb60873c797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c29d2ec8bc41ae9b641d1443141c331df2398e8343c325efd1ea8f745a3fd857
[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" "c29d2ec8bc41ae9b641d1443141c331df2398e8343c325efd1ea8f745a3fd857", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling strength_reduce v0.2.2
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling random_color v0.4.4
[INFO] [stderr]    Compiling jack-sys v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling jack v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling rustfft v3.0.0
[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/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.spectrum.p8amaw2j-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335" "/opt/rustwide/target/debug/deps/spectrum-c4928bd4c4283335.ni9d8wgr3g399ek.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-3cd5b0226d8ebfd4/out\"" "-L" "/opt/rustwide/target/debug/build/rs_ws281x-3cd5b0226d8ebfd4/out" "-L" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libspectrum-a6cd3c4f7faec304.rlib" "/opt/rustwide/target/debug/deps/libjack-d3ad36fe29dc2a28.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-227029c09283b1eb.rlib" "/opt/rustwide/target/debug/deps/liblibloading-c322d1c88f89107b.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-cd2401a06b1676f6.rlib" "/opt/rustwide/target/debug/deps/librandom_color-9d6ce36d12d4f86f.rlib" "/opt/rustwide/target/debug/deps/librand-c9fe666d38a84e43.rlib" "/opt/rustwide/target/debug/deps/librand-954f4aa8d3bd8a1f.rlib" "/opt/rustwide/target/debug/deps/librustfft-b6e0198bfde898b9.rlib" "/opt/rustwide/target/debug/deps/libtranspose-2c4590315143c5ca.rlib" "/opt/rustwide/target/debug/deps/libstrength_reduce-dca7997458eda68c.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-6ba40d9ea945af8a.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-f80ce9ae6d6bcb91.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-3778d7cf3fab1799.rlib" "/opt/rustwide/target/debug/deps/librs_ws281x-02075b048d880d9b.rlib" "/opt/rustwide/target/debug/deps/libserde-e60065decba25735.rlib" "/opt/rustwide/target/debug/deps/libclap-781f93634482a034.rlib" "/opt/rustwide/target/debug/deps/libvec_map-08722e269333ade1.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-b0ead66ac9a13a19.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-8f0943902aced54a.rlib" "/opt/rustwide/target/debug/deps/libstrsim-802379fb3524d342.rlib" "/opt/rustwide/target/debug/deps/libbitflags-df474a8ca45884a8.rlib" "/opt/rustwide/target/debug/deps/libatty-63f5d08ca980d1cb.rlib" "/opt/rustwide/target/debug/deps/liblibc-69ee23cdb329ed2e.rlib" "/opt/rustwide/target/debug/deps/libansi_term-5e807deedeef1036.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-448643d99e633b5d.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c7c3d631a525883a.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d7659a11bb201e01.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-9aceb6f83a33a9b6.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-876c3057c8a2a7c2.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2f02aa3e24d2aa49.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d4694108f8cb543.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-79eaa6e630880f50.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0df1a4ec96f80cf7.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bba9b0f0f4d77257.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f848f9c987265235.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0d5ea4f2d39b8e27.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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" "c29d2ec8bc41ae9b641d1443141c331df2398e8343c325efd1ea8f745a3fd857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29d2ec8bc41ae9b641d1443141c331df2398e8343c325efd1ea8f745a3fd857", kill_on_drop: false }`
[INFO] [stdout] c29d2ec8bc41ae9b641d1443141c331df2398e8343c325efd1ea8f745a3fd857