[INFO] fetching crate vgmdb 0.3.1...
[INFO] documenting vgmdb-0.3.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate vgmdb 0.3.1 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate vgmdb 0.3.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vgmdb 0.3.1
[INFO] finished tweaking crates.io crate vgmdb 0.3.1
[INFO] tweaked toml for crates.io crate vgmdb 0.3.1 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 759149ac14951e85b73cc4d1ecc8448445b65fa0892046319103162d9e7a3add
[INFO] running `Command { std: "docker" "start" "-a" "759149ac14951e85b73cc4d1ecc8448445b65fa0892046319103162d9e7a3add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "759149ac14951e85b73cc4d1ecc8448445b65fa0892046319103162d9e7a3add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "759149ac14951e85b73cc4d1ecc8448445b65fa0892046319103162d9e7a3add", kill_on_drop: false }`
[INFO] [stdout] 759149ac14951e85b73cc4d1ecc8448445b65fa0892046319103162d9e7a3add
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f8dcfe06340be4eef2ce6a5acb022a737b3c482e03b967985922d63eef99edf
[INFO] running `Command { std: "docker" "start" "-a" "1f8dcfe06340be4eef2ce6a5acb022a737b3c482e03b967985922d63eef99edf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking simple_parallel v0.2.1
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking id3 v0.1.12
[INFO] [stderr]  Documenting vgmdb v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/vgmdb/io.rs:46:43
[INFO] [stdout]    |
[INFO] [stdout] 46 |        , tracks: d.tracks.into_iter().zip((1..)).map(|(t,i)|  convert_track(t, i) ).collect()
[INFO] [stdout]    |                                           ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -        , tracks: d.tracks.into_iter().zip((1..)).map(|(t,i)|  convert_track(t, i) ).collect()
[INFO] [stdout] 46 +        , tracks: d.tracks.into_iter().zip(1..).map(|(t,i)|  convert_track(t, i) ).collect()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/vgmdb/data.rs:55:44
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for (d,i) in self.discs.iter().zip((1..)) {
[INFO] [stdout]    |                                            ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -         for (d,i) in self.discs.iter().zip((1..)) {
[INFO] [stdout] 55 +         for (d,i) in self.discs.iter().zip(1..) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.12s
[INFO] running `Command { std: "docker" "inspect" "1f8dcfe06340be4eef2ce6a5acb022a737b3c482e03b967985922d63eef99edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8dcfe06340be4eef2ce6a5acb022a737b3c482e03b967985922d63eef99edf", kill_on_drop: false }`
[INFO] [stdout] 1f8dcfe06340be4eef2ce6a5acb022a737b3c482e03b967985922d63eef99edf