[INFO] cloning repository https://github.com/audiocogs/mp3.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/audiocogs/mp3.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiocogs%2Fmp3.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiocogs%2Fmp3.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 407184f0ad208eceedbeb578340a0fe76f681af5
[INFO] documenting audiocogs/mp3.rs against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiocogs%2Fmp3.rs" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/audiocogs/mp3.rs on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/audiocogs/mp3.rs
[INFO] finished tweaking git repo https://github.com/audiocogs/mp3.rs
[INFO] tweaked toml for git repo https://github.com/audiocogs/mp3.rs written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/audiocogs/mp3.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd38d6546d25bfde52f473b056f02933641bcd032f52b6b13a267a4aaf64f097
[INFO] running `Command { std: "docker" "start" "-a" "bd38d6546d25bfde52f473b056f02933641bcd032f52b6b13a267a4aaf64f097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd38d6546d25bfde52f473b056f02933641bcd032f52b6b13a267a4aaf64f097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd38d6546d25bfde52f473b056f02933641bcd032f52b6b13a267a4aaf64f097", kill_on_drop: false }`
[INFO] [stdout] bd38d6546d25bfde52f473b056f02933641bcd032f52b6b13a267a4aaf64f097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af21c94497a84f669377271104b9e317e7a249ee0fe02619a74ce09aec8e8a3
[INFO] running `Command { std: "docker" "start" "-a" "3af21c94497a84f669377271104b9e317e7a249ee0fe02619a74ce09aec8e8a3", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]  Documenting mp3 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/bitreader.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for _ in (0..n) {
[INFO] [stdout]    |              ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     for _ in (0..n) {
[INFO] [stdout] 19 +     for _ in 0..n {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "3af21c94497a84f669377271104b9e317e7a249ee0fe02619a74ce09aec8e8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af21c94497a84f669377271104b9e317e7a249ee0fe02619a74ce09aec8e8a3", kill_on_drop: false }`
[INFO] [stdout] 3af21c94497a84f669377271104b9e317e7a249ee0fe02619a74ce09aec8e8a3