[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 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmaves%2FVisualSpectrum" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmaves/VisualSpectrum on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-13/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba49baf56919fe693f6ddea3aa0540967fe10ea9349e8e0099d509eab4eff0d7
[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" "ba49baf56919fe693f6ddea3aa0540967fe10ea9349e8e0099d509eab4eff0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba49baf56919fe693f6ddea3aa0540967fe10ea9349e8e0099d509eab4eff0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba49baf56919fe693f6ddea3aa0540967fe10ea9349e8e0099d509eab4eff0d7", kill_on_drop: false }`
[INFO] [stdout] ba49baf56919fe693f6ddea3aa0540967fe10ea9349e8e0099d509eab4eff0d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee69bae813127a3490bc9a566db6f56c9cf157458ac280d206afbb14c5fd8815
[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" "ee69bae813127a3490bc9a566db6f56c9cf157458ac280d206afbb14c5fd8815", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling strength_reduce v0.2.2
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling rustfft v3.0.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling memchr v1.0.2
[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 jack v0.6.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling random_color v0.4.4
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling cexpr v0.2.3
[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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.spectrum.91m8nmc3-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817" "/opt/rustwide/target/debug/deps/spectrum-5dcb4bad3be4f817.31w923prornjoccs.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-31061fb82d62fe2f/out\"" "-L" "/opt/rustwide/target/debug/build/rs_ws281x-31061fb82d62fe2f/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libspectrum-012f9838b7e2b7e7.rlib" "/opt/rustwide/target/debug/deps/libjack-7e5e4b3d3fc16e39.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-e9cf7a7622d59efd.rlib" "/opt/rustwide/target/debug/deps/liblibloading-bfc3fa06f492bd8f.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-bf21cfb31a9e28ca.rlib" "/opt/rustwide/target/debug/deps/librandom_color-3bba31708db0c006.rlib" "/opt/rustwide/target/debug/deps/librand-5d9f491462a8ae62.rlib" "/opt/rustwide/target/debug/deps/librand-b175c2e2d85d1325.rlib" "/opt/rustwide/target/debug/deps/librustfft-cc739a5933123311.rlib" "/opt/rustwide/target/debug/deps/libtranspose-1b973532e7ae0520.rlib" "/opt/rustwide/target/debug/deps/libstrength_reduce-96c6817f0229fefc.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-b2e492f7d214062f.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-f4b06e7f4cd3229c.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-fb9ba0d445293d8e.rlib" "/opt/rustwide/target/debug/deps/librs_ws281x-81e690bcc7cc5af5.rlib" "/opt/rustwide/target/debug/deps/libserde-6cd8e8e5a6b8527f.rlib" "/opt/rustwide/target/debug/deps/libclap-2f73579486ca2711.rlib" "/opt/rustwide/target/debug/deps/libvec_map-0f0153d8a4934ee0.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-dbe61de218f29ab4.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-71d6cef08469d034.rlib" "/opt/rustwide/target/debug/deps/libstrsim-b4c20f59be0036a3.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e8b42ad6d332332e.rlib" "/opt/rustwide/target/debug/deps/libatty-05360afab7f87c96.rlib" "/opt/rustwide/target/debug/deps/liblibc-e397c7f89c707d32.rlib" "/opt/rustwide/target/debug/deps/libansi_term-aefa377f3787504e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.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" "ee69bae813127a3490bc9a566db6f56c9cf157458ac280d206afbb14c5fd8815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee69bae813127a3490bc9a566db6f56c9cf157458ac280d206afbb14c5fd8815", kill_on_drop: false }`
[INFO] [stdout] ee69bae813127a3490bc9a566db6f56c9cf157458ac280d206afbb14c5fd8815
