[INFO] fetching crate rmus 0.1.4...
[INFO] documenting rmus-0.1.4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rmus 0.1.4 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate rmus 0.1.4 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmus 0.1.4
[INFO] finished tweaking crates.io crate rmus 0.1.4
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b364411696bc10f5542d61029f9fb2e0fac42f699ef5aad5330ea51647de0c8
[INFO] running `Command { std: "docker" "start" "-a" "1b364411696bc10f5542d61029f9fb2e0fac42f699ef5aad5330ea51647de0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b364411696bc10f5542d61029f9fb2e0fac42f699ef5aad5330ea51647de0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b364411696bc10f5542d61029f9fb2e0fac42f699ef5aad5330ea51647de0c8", kill_on_drop: false }`
[INFO] [stdout] 1b364411696bc10f5542d61029f9fb2e0fac42f699ef5aad5330ea51647de0c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f04a31117a2bf872843debe25948fdd6886608cc12b905b6255beb7bb58fc5e
[INFO] running `Command { std: "docker" "start" "-a" "5f04a31117a2bf872843debe25948fdd6886608cc12b905b6255beb7bb58fc5e", kill_on_drop: false }`
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[INFO] [stderr]     Checking smol v0.1.18
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[INFO] [stderr]  Documenting rmus v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/decoders/flac.rs:51:53
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     self.buf.push_back(Sample::from((block.sample(channel_pos as u32, sample_pos))));
[INFO] [stdout]    |                                                     ^                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -                     self.buf.push_back(Sample::from((block.sample(channel_pos as u32, sample_pos))));
[INFO] [stdout] 51 +                     self.buf.push_back(Sample::from(block.sample(channel_pos as u32, sample_pos)));
[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 15.39s
[INFO] running `Command { std: "docker" "inspect" "5f04a31117a2bf872843debe25948fdd6886608cc12b905b6255beb7bb58fc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f04a31117a2bf872843debe25948fdd6886608cc12b905b6255beb7bb58fc5e", kill_on_drop: false }`
[INFO] [stdout] 5f04a31117a2bf872843debe25948fdd6886608cc12b905b6255beb7bb58fc5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] fbc6fabb2b7bb5dd330cfde203aae9b1fa15c1cc2b53777e7c2fcfd91b493d6b
[INFO] running `Command { std: "docker" "start" "-a" "fbc6fabb2b7bb5dd330cfde203aae9b1fa15c1cc2b53777e7c2fcfd91b493d6b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]  Documenting rmus v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/decoders/flac.rs:51:53
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     self.buf.push_back(Sample::from((block.sample(channel_pos as u32, sample_pos))));
[INFO] [stdout]    |                                                     ^                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -                     self.buf.push_back(Sample::from((block.sample(channel_pos as u32, sample_pos))));
[INFO] [stdout] 51 +                     self.buf.push_back(Sample::from(block.sample(channel_pos as u32, sample_pos)));
[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 18.40s
[INFO] running `Command { std: "docker" "inspect" "fbc6fabb2b7bb5dd330cfde203aae9b1fa15c1cc2b53777e7c2fcfd91b493d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc6fabb2b7bb5dd330cfde203aae9b1fa15c1cc2b53777e7c2fcfd91b493d6b", kill_on_drop: false }`
[INFO] [stdout] fbc6fabb2b7bb5dd330cfde203aae9b1fa15c1cc2b53777e7c2fcfd91b493d6b