[INFO] fetching crate chirpycritter 0.1.0...
[INFO] testing chirpycritter-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate chirpycritter 0.1.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate chirpycritter 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chirpycritter 0.1.0
[INFO] finished tweaking crates.io crate chirpycritter 0.1.0
[INFO] tweaked toml for crates.io crate chirpycritter 0.1.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate crates.io crate chirpycritter 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c9328519e3b3db41adbc359c24f2b805790c1ef1d2421e588077e0979802dcb
[INFO] running `Command { std: "docker" "start" "-a" "1c9328519e3b3db41adbc359c24f2b805790c1ef1d2421e588077e0979802dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9328519e3b3db41adbc359c24f2b805790c1ef1d2421e588077e0979802dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9328519e3b3db41adbc359c24f2b805790c1ef1d2421e588077e0979802dcb", kill_on_drop: false }`
[INFO] [stdout] 1c9328519e3b3db41adbc359c24f2b805790c1ef1d2421e588077e0979802dcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cbec633b3221c24c8c61a2c963d93ceeb2aa7180f2fedf56184712bbbf32870
[INFO] running `Command { std: "docker" "start" "-a" "2cbec633b3221c24c8c61a2c963d93ceeb2aa7180f2fedf56184712bbbf32870", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling midly v0.5.2
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling chirpycritter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/stock.rs:161:29
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn add_voice(&mut self, program: u16, frequency: u16, duration: u16) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.49s
[INFO] running `Command { std: "docker" "inspect" "2cbec633b3221c24c8c61a2c963d93ceeb2aa7180f2fedf56184712bbbf32870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbec633b3221c24c8c61a2c963d93ceeb2aa7180f2fedf56184712bbbf32870", kill_on_drop: false }`
[INFO] [stdout] 2cbec633b3221c24c8c61a2c963d93ceeb2aa7180f2fedf56184712bbbf32870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b51ab84fc526ba6a1cdc33ed596d9110f99ce401a750a972274dd66c66bc71
[INFO] running `Command { std: "docker" "start" "-a" "a7b51ab84fc526ba6a1cdc33ed596d9110f99ce401a750a972274dd66c66bc71", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/stock.rs:161:29
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn add_voice(&mut self, program: u16, frequency: u16, duration: u16) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chirpycritter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]    --> src/stock.rs:161:29
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn add_voice(&mut self, program: u16, frequency: u16, duration: u16) {
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/chirpycritter-deeeb2039d5969a5)
[INFO] running `Command { std: "docker" "inspect" "a7b51ab84fc526ba6a1cdc33ed596d9110f99ce401a750a972274dd66c66bc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b51ab84fc526ba6a1cdc33ed596d9110f99ce401a750a972274dd66c66bc71", kill_on_drop: false }`
[INFO] [stdout] a7b51ab84fc526ba6a1cdc33ed596d9110f99ce401a750a972274dd66c66bc71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2eac6429027520cf9ef456b6521eafb61421eea1d7d7ffce787b60a76157d1c
[INFO] running `Command { std: "docker" "start" "-a" "c2eac6429027520cf9ef456b6521eafb61421eea1d7d7ffce787b60a76157d1c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]    --> src/stock.rs:161:29
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn add_voice(&mut self, program: u16, frequency: u16, duration: u16) {
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chirpycritter` (lib) generated 1 warning
[INFO] [stderr] warning: `chirpycritter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chirpycritter-deeeb2039d5969a5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chirpycritter
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c2eac6429027520cf9ef456b6521eafb61421eea1d7d7ffce787b60a76157d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2eac6429027520cf9ef456b6521eafb61421eea1d7d7ffce787b60a76157d1c", kill_on_drop: false }`
[INFO] [stdout] c2eac6429027520cf9ef456b6521eafb61421eea1d7d7ffce787b60a76157d1c