[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#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[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-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaocarvalhoopen/PC_bus_AM_radio_emitter_in_Rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b781eb24e6d3361a42ff7fea25d625b4e5de494b610d06b96e05dd694973640
[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" "5b781eb24e6d3361a42ff7fea25d625b4e5de494b610d06b96e05dd694973640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b781eb24e6d3361a42ff7fea25d625b4e5de494b610d06b96e05dd694973640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b781eb24e6d3361a42ff7fea25d625b4e5de494b610d06b96e05dd694973640", kill_on_drop: false }`
[INFO] [stdout] 5b781eb24e6d3361a42ff7fea25d625b4e5de494b610d06b96e05dd694973640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34cf962d7854682a98d1647b7a55912b3cb21c3e283a9c0231e3ce94b11ec69b
[INFO] running `Command { std: "docker" "start" "-a" "34cf962d7854682a98d1647b7a55912b3cb21c3e283a9c0231e3ce94b11ec69b", 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 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: 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "34cf962d7854682a98d1647b7a55912b3cb21c3e283a9c0231e3ce94b11ec69b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34cf962d7854682a98d1647b7a55912b3cb21c3e283a9c0231e3ce94b11ec69b", kill_on_drop: false }`
[INFO] [stdout] 34cf962d7854682a98d1647b7a55912b3cb21c3e283a9c0231e3ce94b11ec69b