[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] checking joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789
[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-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "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-0-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789
[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-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust on toolchain cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "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-0-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9948f2d4761092068eeefbfb7147a4cb99f85b26a0381c3b32bbe6a47299caad
[INFO] running `Command { std: "docker" "start" "-a" "9948f2d4761092068eeefbfb7147a4cb99f85b26a0381c3b32bbe6a47299caad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9948f2d4761092068eeefbfb7147a4cb99f85b26a0381c3b32bbe6a47299caad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9948f2d4761092068eeefbfb7147a4cb99f85b26a0381c3b32bbe6a47299caad", kill_on_drop: false }`
[INFO] [stdout] 9948f2d4761092068eeefbfb7147a4cb99f85b26a0381c3b32bbe6a47299caad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdef3ccef1be25bbad86fe7428dd387ac9dda5a0dd6c39998500dcca42ed5cff
[INFO] running `Command { std: "docker" "start" "-a" "fdef3ccef1be25bbad86fe7428dd387ac9dda5a0dd6c39998500dcca42ed5cff", kill_on_drop: false }`
[INFO] [stderr]     Checking volatile v0.4.3
[INFO] [stderr]     Checking pc_bus_am_emitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `boost_song_1` is never used
[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 `boost_song_2` is never used
[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: function `boost_song_1` is never used
[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 `boost_song_2` is never used
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "fdef3ccef1be25bbad86fe7428dd387ac9dda5a0dd6c39998500dcca42ed5cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdef3ccef1be25bbad86fe7428dd387ac9dda5a0dd6c39998500dcca42ed5cff", kill_on_drop: false }`
[INFO] [stdout] fdef3ccef1be25bbad86fe7428dd387ac9dda5a0dd6c39998500dcca42ed5cff