[INFO] cloning repository https://github.com/freeman-jiang/simple-synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/freeman-jiang/simple-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreeman-jiang%2Fsimple-synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreeman-jiang%2Fsimple-synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 207f9c070884eee4f1a375cd86641bf8c684bce3
[INFO] checking freeman-jiang/simple-synth against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffreeman-jiang%2Fsimple-synth" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/freeman-jiang/simple-synth on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/freeman-jiang/simple-synth
[INFO] finished tweaking git repo https://github.com/freeman-jiang/simple-synth
[INFO] tweaked toml for git repo https://github.com/freeman-jiang/simple-synth written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/freeman-jiang/simple-synth 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" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de10ea069900ec1328db55dcd3b00a11df3b7c14d4cecf397d6ef0be9b6875e7
[INFO] running `Command { std: "docker" "start" "-a" "de10ea069900ec1328db55dcd3b00a11df3b7c14d4cecf397d6ef0be9b6875e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de10ea069900ec1328db55dcd3b00a11df3b7c14d4cecf397d6ef0be9b6875e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de10ea069900ec1328db55dcd3b00a11df3b7c14d4cecf397d6ef0be9b6875e7", kill_on_drop: false }`
[INFO] [stdout] de10ea069900ec1328db55dcd3b00a11df3b7c14d4cecf397d6ef0be9b6875e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36a0b6c1cb1a41e3b7372e19735cde61a3a1a01e53a906727f7b5a610f46f70f
[INFO] running `Command { std: "docker" "start" "-a" "36a0b6c1cb1a41e3b7372e19735cde61a3a1a01e53a906727f7b5a610f46f70f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking bytemuck v1.19.0
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]     Checking symphonia-core v0.5.4
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking hound v3.5.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]     Checking symphonia-metadata v0.5.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.4
[INFO] [stderr]     Checking symphonia v0.5.4
[INFO] [stderr]     Checking rodio v0.20.1
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]     Checking serde_json v1.0.1
[INFO] [stderr]     Checking note_player v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         /// Octave relative to A4
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 24 |         let relative_octave: i32;
[INFO] [stdout]    |         ------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         /// Octave relative to A4
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 24 |         let relative_octave: i32;
[INFO] [stdout]    |         ------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.00s
[INFO] running `Command { std: "docker" "inspect" "36a0b6c1cb1a41e3b7372e19735cde61a3a1a01e53a906727f7b5a610f46f70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a0b6c1cb1a41e3b7372e19735cde61a3a1a01e53a906727f7b5a610f46f70f", kill_on_drop: false }`
[INFO] [stdout] 36a0b6c1cb1a41e3b7372e19735cde61a3a1a01e53a906727f7b5a610f46f70f