[INFO] cloning repository https://github.com/joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaocarvalhoopen%2FPC_bus_AM_radio_emitter_in_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaocarvalhoopen%2FPC_bus_AM_radio_emitter_in_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f452455031c131d73b61742765c3f1039831ba3b
[INFO] testing joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaocarvalhoopen%2FPC_bus_AM_radio_emitter_in_Rust" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust
[INFO] finished tweaking git repo https://github.com/joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust
[INFO] tweaked toml for git repo https://github.com/joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e14de12f0f560ab5bc0ce077c2b7b7873596e688712250db76e3fef22a140919
[INFO] running `Command { std: "docker" "start" "-a" "e14de12f0f560ab5bc0ce077c2b7b7873596e688712250db76e3fef22a140919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e14de12f0f560ab5bc0ce077c2b7b7873596e688712250db76e3fef22a140919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14de12f0f560ab5bc0ce077c2b7b7873596e688712250db76e3fef22a140919", kill_on_drop: false }`
[INFO] [stdout] e14de12f0f560ab5bc0ce077c2b7b7873596e688712250db76e3fef22a140919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8e22944d221fe303330d43798dc090d33c725a3ba3a1201ad94769e685397c7
[INFO] running `Command { std: "docker" "start" "-a" "b8e22944d221fe303330d43798dc090d33c725a3ba3a1201ad94769e685397c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling volatile v0.4.3
[INFO] [stderr]    Compiling pc_bus_am_emitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `boost_song_1`
[INFO] [stdout]   --> src/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn boost_song_1(rx: Receiver<TimePair>)
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `boost_song_2`
[INFO] [stdout]   --> src/main.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn boost_song_2(rx: Receiver<TimePair>)
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "b8e22944d221fe303330d43798dc090d33c725a3ba3a1201ad94769e685397c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e22944d221fe303330d43798dc090d33c725a3ba3a1201ad94769e685397c7", kill_on_drop: false }`
[INFO] [stdout] b8e22944d221fe303330d43798dc090d33c725a3ba3a1201ad94769e685397c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa8de90316f3f91d27f6ded02ef7db48e5fed41bc1f9a6e25df83bef395852ae
[INFO] running `Command { std: "docker" "start" "-a" "aa8de90316f3f91d27f6ded02ef7db48e5fed41bc1f9a6e25df83bef395852ae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pc_bus_am_emitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `boost_song_1`
[INFO] [stdout]   --> src/main.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn boost_song_1(rx: Receiver<TimePair>)
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `boost_song_2`
[INFO] [stdout]   --> src/main.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn boost_song_2(rx: Receiver<TimePair>)
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "aa8de90316f3f91d27f6ded02ef7db48e5fed41bc1f9a6e25df83bef395852ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8de90316f3f91d27f6ded02ef7db48e5fed41bc1f9a6e25df83bef395852ae", kill_on_drop: false }`
[INFO] [stdout] aa8de90316f3f91d27f6ded02ef7db48e5fed41bc1f9a6e25df83bef395852ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c87bbc5341d1cb1a6fcd9022148ded00c4cce52ae0dab08efaff50174c76acdd
[INFO] running `Command { std: "docker" "start" "-a" "c87bbc5341d1cb1a6fcd9022148ded00c4cce52ae0dab08efaff50174c76acdd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `boost_song_1`
[INFO] [stderr]   --> src/main.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn boost_song_1(rx: Receiver<TimePair>)
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `boost_song_2`
[INFO] [stderr]   --> src/main.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn boost_song_2(rx: Receiver<TimePair>)
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pc_bus_am_emitter` (bin "pc_bus_am_emitter" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pc_bus_am_emitter-bd4344bba052ffc2)
[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" "c87bbc5341d1cb1a6fcd9022148ded00c4cce52ae0dab08efaff50174c76acdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87bbc5341d1cb1a6fcd9022148ded00c4cce52ae0dab08efaff50174c76acdd", kill_on_drop: false }`
[INFO] [stdout] c87bbc5341d1cb1a6fcd9022148ded00c4cce52ae0dab08efaff50174c76acdd