[INFO] updating cached repository https://github.com/Joe-Jones/midi [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] ec1b05f593396e80cd8c701df37a6472c196e1db [INFO] testing Joe-Jones/midi against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoe-Jones%2Fmidi" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Joe-Jones/midi 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/Joe-Jones/midi [INFO] finished tweaking git repo https://github.com/Joe-Jones/midi [INFO] tweaked toml for git repo https://github.com/Joe-Jones/midi written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/Joe-Jones/midi 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1aa7754940b77ebb087db21236d822997454e5b29b2a6354944b6d54579e3a4a [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" "1aa7754940b77ebb087db21236d822997454e5b29b2a6354944b6d54579e3a4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1aa7754940b77ebb087db21236d822997454e5b29b2a6354944b6d54579e3a4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aa7754940b77ebb087db21236d822997454e5b29b2a6354944b6d54579e3a4a", kill_on_drop: false }` [INFO] [stdout] 1aa7754940b77ebb087db21236d822997454e5b29b2a6354944b6d54579e3a4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e52d3a58609a195ef0fc69375be14d417bdb432e480994795b13e70d634acd8d [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" "e52d3a58609a195ef0fc69375be14d417bdb432e480994795b13e70d634acd8d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.30 [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling libloading v0.4.1 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num-complex v0.1.40 [INFO] [stderr] Compiling jack-sys v0.1.5 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling jack v0.5.3 [INFO] [stderr] Compiling num-bigint v0.1.40 [INFO] [stderr] Compiling num-rational v0.1.39 [INFO] [stderr] Compiling num v0.1.40 [INFO] [stderr] Compiling time_calc v0.12.1 [INFO] [stderr] Compiling steps v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pattern` [INFO] [stdout] --> src/main.rs:66:15 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cursor` [INFO] [stdout] --> src/main.rs:66:34 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cursor` [INFO] [stdout] --> src/main.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 70 | fn advance(cursor: &mut PatternCursor) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cursor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kick_drum` [INFO] [stdout] --> src/main.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let kick_drum = Pattern{ steps_per_bar: 4, pattern: kick_drum_pattern, note: 36 }; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kick_drum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `snare_drum` [INFO] [stdout] --> src/main.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | let snare_drum = Pattern{ steps_per_bar: 4, pattern: snare_drum_pattern, note: 37 }; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snare_drum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frames_per_bar` [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let frames_per_bar : JackFrames = u32::try_from(Bars(1).samples(bpm, time_signature, sample_frequency)) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames_per_bar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frames_into_bar` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let mut frames_into_bar = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frames_into_bar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bpm` [INFO] [stdout] --> src/main.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_bpm` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sample_frequency` [INFO] [stdout] --> src/main.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_frequency` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time_signature` [INFO] [stdout] --> src/main.rs:24:52 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_signature` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `steps_per_bar` [INFO] [stdout] --> src/main.rs:24:79 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_steps_per_bar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let mut frames_into_bar = 0; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `PatternPlayer` [INFO] [stdout] --> src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct PatternPlayer { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn new(bpm: &Bpm, sample_frequency : SampleHz, time_signature : &TimeSig, steps_per_bar: usize, pattern: Vec) -> PatternPlayer { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `steps_per_bar` [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | steps_per_bar: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `pattern` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | pattern: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `note` [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | note: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `next_event` [INFO] [stdout] --> src/main.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | fn next_event(&self, position: f64) -> Result, String> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `PatternCursor` [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | struct PatternCursor { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `init_patern_cursor` [INFO] [stdout] --> src/main.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn init_patern_cursor(cursor: &mut PatternCursor) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `next_event` [INFO] [stdout] --> src/main.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn next_event(pattern: &Pattern, cursor: & mut PatternCursor) -> Option<(f64, u8)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `advance` [INFO] [stdout] --> src/main.rs:70:4 [INFO] [stdout] | [INFO] [stdout] 70 | fn advance(cursor: &mut PatternCursor) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [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/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.steps.65bj2s4w-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc" "/opt/rustwide/target/debug/deps/steps-c76914dd37f9cbdc.1dlbuiys4wyulkpo.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtime_calc-215d1c4264e3a9e4.rlib" "/opt/rustwide/target/debug/deps/libnum-d4bd1b4d9f0a0833.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-9c1778473bd436a0.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-433161d562096d34.rlib" "/opt/rustwide/target/debug/deps/librand-a252e9b5d5b79dd4.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-64db26be423027ad.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-d833c3470fa60f44.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-fa06138f597df683.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-1310333546839132.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-f0d166ce20dc31a1.rlib" "/opt/rustwide/target/debug/deps/libjack-aa0537ddbc6dcb35.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-3ccb49191dc3c0a0.rlib" "/opt/rustwide/target/debug/deps/liblibloading-b8273056ae86b5ac.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-d42ac0fbacaf6f5e.rlib" "/opt/rustwide/target/debug/deps/liblibc-dadfb307e26acafa.rlib" "/opt/rustwide/target/debug/deps/libbitflags-d2ad12c0bdfd14cf.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" "-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; 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `steps`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "e52d3a58609a195ef0fc69375be14d417bdb432e480994795b13e70d634acd8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e52d3a58609a195ef0fc69375be14d417bdb432e480994795b13e70d634acd8d", kill_on_drop: false }` [INFO] [stdout] e52d3a58609a195ef0fc69375be14d417bdb432e480994795b13e70d634acd8d