[INFO] cloning repository https://github.com/aujxn/guitar_pedal [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aujxn/guitar_pedal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faujxn%2Fguitar_pedal"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faujxn%2Fguitar_pedal'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 84228e53159011cd8df5336fed81778c6014f3d2 [INFO] checking aujxn/guitar_pedal against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faujxn%2Fguitar_pedal" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aujxn/guitar_pedal on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6 [INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/aujxn/guitar_pedal [INFO] finished tweaking git repo https://github.com/aujxn/guitar_pedal [INFO] tweaked toml for git repo https://github.com/aujxn/guitar_pedal written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/aujxn/guitar_pedal already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 71ffb14a10baa71aa4f33073bc580919f80404d66964dfb92374ab9b86abfccd [INFO] running `"docker" "start" "-a" "71ffb14a10baa71aa4f33073bc580919f80404d66964dfb92374ab9b86abfccd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.23 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ringbuf v0.2.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking jack-sys v0.2.0 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking jack v0.6.2 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking guitar_pedal v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/midi.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/midi.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/main.rs:462:32 [INFO] [stderr] | [INFO] [stderr] 462 | let (mut playback_manager, mut loop_manager, mut interface) = init(opt.bpm); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/main.rs:462:50 [INFO] [stderr] | [INFO] [stderr] 462 | let (mut playback_manager, mut loop_manager, mut interface) = init(opt.bpm); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ToggleCompression` [INFO] [stderr] --> src/bin/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | ToggleCompression, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ToggleDistortion` [INFO] [stderr] --> src/bin/main.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | ToggleDistortion, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `effects_message_sender` [INFO] [stderr] --> src/bin/main.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | effects_message_sender: SyncSender, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `effects_message_receiver` [INFO] [stderr] --> src/bin/main.rs:270:5 [INFO] [stderr] | [INFO] [stderr] 270 | effects_message_receiver: Arc>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/main.rs:462:32 [INFO] [stderr] | [INFO] [stderr] 462 | let (mut playback_manager, mut loop_manager, mut interface) = init(opt.bpm); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/main.rs:462:50 [INFO] [stderr] | [INFO] [stderr] 462 | let (mut playback_manager, mut loop_manager, mut interface) = init(opt.bpm); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ToggleCompression` [INFO] [stderr] --> src/bin/main.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | ToggleCompression, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ToggleDistortion` [INFO] [stderr] --> src/bin/main.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | ToggleDistortion, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `effects_message_sender` [INFO] [stderr] --> src/bin/main.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | effects_message_sender: SyncSender, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `effects_message_receiver` [INFO] [stderr] --> src/bin/main.rs:270:5 [INFO] [stderr] | [INFO] [stderr] 270 | effects_message_receiver: Arc>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.99s [INFO] running `"docker" "inspect" "71ffb14a10baa71aa4f33073bc580919f80404d66964dfb92374ab9b86abfccd"` [INFO] running `"docker" "rm" "-f" "71ffb14a10baa71aa4f33073bc580919f80404d66964dfb92374ab9b86abfccd"` [INFO] [stdout] 71ffb14a10baa71aa4f33073bc580919f80404d66964dfb92374ab9b86abfccd