[INFO] cloning repository https://github.com/CharlesDerek/MRGI_Amber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CharlesDerek/MRGI_Amber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharlesDerek%2FMRGI_Amber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharlesDerek%2FMRGI_Amber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5353709ca500f81b2a567d1c23953c4f79051159
[INFO] documenting CharlesDerek/MRGI_Amber against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharlesDerek%2FMRGI_Amber" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CharlesDerek/MRGI_Amber on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CharlesDerek/MRGI_Amber
[INFO] finished tweaking git repo https://github.com/CharlesDerek/MRGI_Amber
[INFO] tweaked toml for git repo https://github.com/CharlesDerek/MRGI_Amber written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CharlesDerek/MRGI_Amber 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" "+1.75.0" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2bb6c95260342a9bbea8bd6f61292a560cd7d1f5fc441c36bd0dd884d3e95ee
[INFO] running `Command { std: "docker" "start" "-a" "d2bb6c95260342a9bbea8bd6f61292a560cd7d1f5fc441c36bd0dd884d3e95ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2bb6c95260342a9bbea8bd6f61292a560cd7d1f5fc441c36bd0dd884d3e95ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2bb6c95260342a9bbea8bd6f61292a560cd7d1f5fc441c36bd0dd884d3e95ee", kill_on_drop: false }`
[INFO] [stdout] d2bb6c95260342a9bbea8bd6f61292a560cd7d1f5fc441c36bd0dd884d3e95ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "5549d8e4c680f42fc02b242e8b5bf5e896589928998a5589c1236dcc658582b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
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[INFO] [stderr]     Checking regex v1.3.1
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[INFO] [stderr]     Checking structopt v0.2.18
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[INFO] [stderr]  Documenting amber v0.5.3-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:592:45
[INFO] [stdout]     |
[INFO] [stdout] 592 |             (0x00..=0x7f, _, _, _, _, _) => (1),                                         // ASCII
[INFO] [stdout]     |                                             ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 592 -             (0x00..=0x7f, _, _, _, _, _) => (1),                                         // ASCII
[INFO] [stdout] 592 +             (0x00..=0x7f, _, _, _, _, _) => 1,                                         // ASCII
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:593:55
[INFO] [stdout]     |
[INFO] [stdout] 593 |             (0xc2..=0xdf, 0x80..=0xbf, _, _, _, _) => (2),                               // UTF-8
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 593 -             (0xc2..=0xdf, 0x80..=0xbf, _, _, _, _) => (2),                               // UTF-8
[INFO] [stdout] 593 +             (0xc2..=0xdf, 0x80..=0xbf, _, _, _, _) => 2,                               // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:594:65
[INFO] [stdout]     |
[INFO] [stdout] 594 |             (0xe0..=0xef, 0x80..=0xbf, 0x80..=0xbf, _, _, _) => (3),                     // UTF-8
[INFO] [stdout]     |                                                                 ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 594 -             (0xe0..=0xef, 0x80..=0xbf, 0x80..=0xbf, _, _, _) => (3),                     // UTF-8
[INFO] [stdout] 594 +             (0xe0..=0xef, 0x80..=0xbf, 0x80..=0xbf, _, _, _) => 3,                     // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:595:75
[INFO] [stdout]     |
[INFO] [stdout] 595 |             (0xf0..=0xf7, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _, _) => (4),           // UTF-8
[INFO] [stdout]     |                                                                           ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 595 -             (0xf0..=0xf7, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _, _) => (4),           // UTF-8
[INFO] [stdout] 595 +             (0xf0..=0xf7, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _, _) => 4,           // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:596:85
[INFO] [stdout]     |
[INFO] [stdout] 596 |             (0xf8..=0xfb, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _) => (5), // UTF-8
[INFO] [stdout]     |                                                                                     ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 596 -             (0xf8..=0xfb, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _) => (5), // UTF-8
[INFO] [stdout] 596 +             (0xf8..=0xfb, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _) => 5, // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:597:95
[INFO] [stdout]     |
[INFO] [stdout] 597 |             (0xfc..=0xfd, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf) => (6), // UTF-8
[INFO] [stdout]     |                                                                                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 597 -             (0xfc..=0xfd, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf) => (6), // UTF-8
[INFO] [stdout] 597 +             (0xfc..=0xfd, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf) => 6, // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:598:48
[INFO] [stdout]     |
[INFO] [stdout] 598 |             (0x8e, 0xa1..=0xdf, _, _, _, _) => (2),                                      // EUC-JP
[INFO] [stdout]     |                                                ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 598 -             (0x8e, 0xa1..=0xdf, _, _, _, _) => (2),                                      // EUC-JP
[INFO] [stdout] 598 +             (0x8e, 0xa1..=0xdf, _, _, _, _) => 2,                                      // EUC-JP
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:599:55
[INFO] [stdout]     |
[INFO] [stdout] 599 |             (0xa1..=0xfe, 0xa1..=0xfe, _, _, _, _) => (2),                               // EUC-JP
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 599 -             (0xa1..=0xfe, 0xa1..=0xfe, _, _, _, _) => (2),                               // EUC-JP
[INFO] [stdout] 599 +             (0xa1..=0xfe, 0xa1..=0xfe, _, _, _, _) => 2,                               // EUC-JP
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:600:45
[INFO] [stdout]     |
[INFO] [stdout] 600 |             (0xa1..=0xdf, _, _, _, _, _) => (1),                                         // ShiftJIS
[INFO] [stdout]     |                                             ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 600 -             (0xa1..=0xdf, _, _, _, _, _) => (1),                                         // ShiftJIS
[INFO] [stdout] 600 +             (0xa1..=0xdf, _, _, _, _, _) => 1,                                         // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:601:55
[INFO] [stdout]     |
[INFO] [stdout] 601 |             (0x81..=0x9f, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 601 -             (0x81..=0x9f, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 601 +             (0x81..=0x9f, 0x40..=0x7e, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:602:55
[INFO] [stdout]     |
[INFO] [stdout] 602 |             (0x81..=0x9f, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 602 -             (0x81..=0x9f, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 602 +             (0x81..=0x9f, 0x80..=0xfc, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:603:55
[INFO] [stdout]     |
[INFO] [stdout] 603 |             (0xe0..=0xef, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 603 -             (0xe0..=0xef, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 603 +             (0xe0..=0xef, 0x40..=0x7e, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:604:55
[INFO] [stdout]     |
[INFO] [stdout] 604 |             (0xe0..=0xef, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 604 -             (0xe0..=0xef, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 604 +             (0xe0..=0xef, 0x80..=0xfc, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:605:18
[INFO] [stdout]     |
[INFO] [stdout] 605 |             _ => (1),                                                                    // Unknown
[INFO] [stdout]     |                  ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 605 -             _ => (1),                                                                    // Unknown
[INFO] [stdout] 605 +             _ => 1,                                                                    // Unknown
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:592:45
[INFO] [stdout]     |
[INFO] [stdout] 592 |             (0x00..=0x7f, _, _, _, _, _) => (1),                                         // ASCII
[INFO] [stdout]     |                                             ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 592 -             (0x00..=0x7f, _, _, _, _, _) => (1),                                         // ASCII
[INFO] [stdout] 592 +             (0x00..=0x7f, _, _, _, _, _) => 1,                                         // ASCII
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:593:55
[INFO] [stdout]     |
[INFO] [stdout] 593 |             (0xc2..=0xdf, 0x80..=0xbf, _, _, _, _) => (2),                               // UTF-8
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 593 -             (0xc2..=0xdf, 0x80..=0xbf, _, _, _, _) => (2),                               // UTF-8
[INFO] [stdout] 593 +             (0xc2..=0xdf, 0x80..=0xbf, _, _, _, _) => 2,                               // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:594:65
[INFO] [stdout]     |
[INFO] [stdout] 594 |             (0xe0..=0xef, 0x80..=0xbf, 0x80..=0xbf, _, _, _) => (3),                     // UTF-8
[INFO] [stdout]     |                                                                 ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 594 -             (0xe0..=0xef, 0x80..=0xbf, 0x80..=0xbf, _, _, _) => (3),                     // UTF-8
[INFO] [stdout] 594 +             (0xe0..=0xef, 0x80..=0xbf, 0x80..=0xbf, _, _, _) => 3,                     // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:595:75
[INFO] [stdout]     |
[INFO] [stdout] 595 |             (0xf0..=0xf7, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _, _) => (4),           // UTF-8
[INFO] [stdout]     |                                                                           ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 595 -             (0xf0..=0xf7, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _, _) => (4),           // UTF-8
[INFO] [stdout] 595 +             (0xf0..=0xf7, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _, _) => 4,           // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:596:85
[INFO] [stdout]     |
[INFO] [stdout] 596 |             (0xf8..=0xfb, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _) => (5), // UTF-8
[INFO] [stdout]     |                                                                                     ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 596 -             (0xf8..=0xfb, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _) => (5), // UTF-8
[INFO] [stdout] 596 +             (0xf8..=0xfb, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _) => 5, // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:597:95
[INFO] [stdout]     |
[INFO] [stdout] 597 |             (0xfc..=0xfd, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf) => (6), // UTF-8
[INFO] [stdout]     |                                                                                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 597 -             (0xfc..=0xfd, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf) => (6), // UTF-8
[INFO] [stdout] 597 +             (0xfc..=0xfd, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf) => 6, // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:598:48
[INFO] [stdout]     |
[INFO] [stdout] 598 |             (0x8e, 0xa1..=0xdf, _, _, _, _) => (2),                                      // EUC-JP
[INFO] [stdout]     |                                                ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 598 -             (0x8e, 0xa1..=0xdf, _, _, _, _) => (2),                                      // EUC-JP
[INFO] [stdout] 598 +             (0x8e, 0xa1..=0xdf, _, _, _, _) => 2,                                      // EUC-JP
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:599:55
[INFO] [stdout]     |
[INFO] [stdout] 599 |             (0xa1..=0xfe, 0xa1..=0xfe, _, _, _, _) => (2),                               // EUC-JP
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 599 -             (0xa1..=0xfe, 0xa1..=0xfe, _, _, _, _) => (2),                               // EUC-JP
[INFO] [stdout] 599 +             (0xa1..=0xfe, 0xa1..=0xfe, _, _, _, _) => 2,                               // EUC-JP
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:600:45
[INFO] [stdout]     |
[INFO] [stdout] 600 |             (0xa1..=0xdf, _, _, _, _, _) => (1),                                         // ShiftJIS
[INFO] [stdout]     |                                             ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 600 -             (0xa1..=0xdf, _, _, _, _, _) => (1),                                         // ShiftJIS
[INFO] [stdout] 600 +             (0xa1..=0xdf, _, _, _, _, _) => 1,                                         // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:601:55
[INFO] [stdout]     |
[INFO] [stdout] 601 |             (0x81..=0x9f, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 601 -             (0x81..=0x9f, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 601 +             (0x81..=0x9f, 0x40..=0x7e, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:602:55
[INFO] [stdout]     |
[INFO] [stdout] 602 |             (0x81..=0x9f, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 602 -             (0x81..=0x9f, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 602 +             (0x81..=0x9f, 0x80..=0xfc, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:603:55
[INFO] [stdout]     |
[INFO] [stdout] 603 |             (0xe0..=0xef, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 603 -             (0xe0..=0xef, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 603 +             (0xe0..=0xef, 0x40..=0x7e, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:604:55
[INFO] [stdout]     |
[INFO] [stdout] 604 |             (0xe0..=0xef, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 604 -             (0xe0..=0xef, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 604 +             (0xe0..=0xef, 0x80..=0xfc, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:605:18
[INFO] [stdout]     |
[INFO] [stdout] 605 |             _ => (1),                                                                    // Unknown
[INFO] [stdout]     |                  ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 605 -             _ => (1),                                                                    // Unknown
[INFO] [stdout] 605 +             _ => 1,                                                                    // Unknown
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Experimental`
[INFO] [stdout]   --> src/ambr.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |     /// [Experimental] Minimum size for using mmap
[INFO] [stdout]    |          ^^^^^^^^^^^^ no item named `Experimental` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Experimental`
[INFO] [stdout]    --> src/ambr.rs:187:10
[INFO] [stdout]     |
[INFO] [stdout] 187 |     /// [Experimental] Enable TBM matcher
[INFO] [stdout]     |          ^^^^^^^^^^^^ no item named `Experimental` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Experimental`
[INFO] [stdout]    --> src/ambr.rs:191:10
[INFO] [stdout]     |
[INFO] [stdout] 191 |     /// [Experimental] Enable SSE 4.2
[INFO] [stdout]     |          ^^^^^^^^^^^^ no item named `Experimental` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Experimental`
[INFO] [stdout]   --> src/ambs.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 |     /// [Experimental] Minimum size for using mmap
[INFO] [stdout]    |          ^^^^^^^^^^^^ no item named `Experimental` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Experimental`
[INFO] [stdout]    --> src/ambs.rs:171:10
[INFO] [stdout]     |
[INFO] [stdout] 171 |     /// [Experimental] Enable TBM matcher
[INFO] [stdout]     |          ^^^^^^^^^^^^ no item named `Experimental` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Experimental`
[INFO] [stdout]    --> src/ambs.rs:175:10
[INFO] [stdout]     |
[INFO] [stdout] 175 |     /// [Experimental] Enable SSE 4.2
[INFO] [stdout]     |          ^^^^^^^^^^^^ no item named `Experimental` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/amber/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ambr/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ambs/index.html
[INFO] running `Command { std: "docker" "inspect" "5549d8e4c680f42fc02b242e8b5bf5e896589928998a5589c1236dcc658582b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5549d8e4c680f42fc02b242e8b5bf5e896589928998a5589c1236dcc658582b7", kill_on_drop: false }`
[INFO] [stdout] 5549d8e4c680f42fc02b242e8b5bf5e896589928998a5589c1236dcc658582b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd545c2a2720e78003a908922959d1c5f97de86098f15492dda8061f714c0c3b
[INFO] running `Command { std: "docker" "start" "-a" "fd545c2a2720e78003a908922959d1c5f97de86098f15492dda8061f714c0c3b", kill_on_drop: false }`
[INFO] [stderr]  Documenting amber v0.5.3-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:592:45
[INFO] [stdout]     |
[INFO] [stdout] 592 |             (0x00..=0x7f, _, _, _, _, _) => (1),                                         // ASCII
[INFO] [stdout]     |                                             ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 592 -             (0x00..=0x7f, _, _, _, _, _) => (1),                                         // ASCII
[INFO] [stdout] 592 +             (0x00..=0x7f, _, _, _, _, _) => 1,                                         // ASCII
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:593:55
[INFO] [stdout]     |
[INFO] [stdout] 593 |             (0xc2..=0xdf, 0x80..=0xbf, _, _, _, _) => (2),                               // UTF-8
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 593 -             (0xc2..=0xdf, 0x80..=0xbf, _, _, _, _) => (2),                               // UTF-8
[INFO] [stdout] 593 +             (0xc2..=0xdf, 0x80..=0xbf, _, _, _, _) => 2,                               // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:594:65
[INFO] [stdout]     |
[INFO] [stdout] 594 |             (0xe0..=0xef, 0x80..=0xbf, 0x80..=0xbf, _, _, _) => (3),                     // UTF-8
[INFO] [stdout]     |                                                                 ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 594 -             (0xe0..=0xef, 0x80..=0xbf, 0x80..=0xbf, _, _, _) => (3),                     // UTF-8
[INFO] [stdout] 594 +             (0xe0..=0xef, 0x80..=0xbf, 0x80..=0xbf, _, _, _) => 3,                     // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:595:75
[INFO] [stdout]     |
[INFO] [stdout] 595 |             (0xf0..=0xf7, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _, _) => (4),           // UTF-8
[INFO] [stdout]     |                                                                           ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 595 -             (0xf0..=0xf7, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _, _) => (4),           // UTF-8
[INFO] [stdout] 595 +             (0xf0..=0xf7, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _, _) => 4,           // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:596:85
[INFO] [stdout]     |
[INFO] [stdout] 596 |             (0xf8..=0xfb, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _) => (5), // UTF-8
[INFO] [stdout]     |                                                                                     ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 596 -             (0xf8..=0xfb, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _) => (5), // UTF-8
[INFO] [stdout] 596 +             (0xf8..=0xfb, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, _) => 5, // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:597:95
[INFO] [stdout]     |
[INFO] [stdout] 597 |             (0xfc..=0xfd, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf) => (6), // UTF-8
[INFO] [stdout]     |                                                                                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 597 -             (0xfc..=0xfd, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf) => (6), // UTF-8
[INFO] [stdout] 597 +             (0xfc..=0xfd, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf, 0x80..=0xbf) => 6, // UTF-8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:598:48
[INFO] [stdout]     |
[INFO] [stdout] 598 |             (0x8e, 0xa1..=0xdf, _, _, _, _) => (2),                                      // EUC-JP
[INFO] [stdout]     |                                                ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 598 -             (0x8e, 0xa1..=0xdf, _, _, _, _) => (2),                                      // EUC-JP
[INFO] [stdout] 598 +             (0x8e, 0xa1..=0xdf, _, _, _, _) => 2,                                      // EUC-JP
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:599:55
[INFO] [stdout]     |
[INFO] [stdout] 599 |             (0xa1..=0xfe, 0xa1..=0xfe, _, _, _, _) => (2),                               // EUC-JP
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 599 -             (0xa1..=0xfe, 0xa1..=0xfe, _, _, _, _) => (2),                               // EUC-JP
[INFO] [stdout] 599 +             (0xa1..=0xfe, 0xa1..=0xfe, _, _, _, _) => 2,                               // EUC-JP
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:600:45
[INFO] [stdout]     |
[INFO] [stdout] 600 |             (0xa1..=0xdf, _, _, _, _, _) => (1),                                         // ShiftJIS
[INFO] [stdout]     |                                             ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 600 -             (0xa1..=0xdf, _, _, _, _, _) => (1),                                         // ShiftJIS
[INFO] [stdout] 600 +             (0xa1..=0xdf, _, _, _, _, _) => 1,                                         // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:601:55
[INFO] [stdout]     |
[INFO] [stdout] 601 |             (0x81..=0x9f, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 601 -             (0x81..=0x9f, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 601 +             (0x81..=0x9f, 0x40..=0x7e, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:602:55
[INFO] [stdout]     |
[INFO] [stdout] 602 |             (0x81..=0x9f, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 602 -             (0x81..=0x9f, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 602 +             (0x81..=0x9f, 0x80..=0xfc, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:603:55
[INFO] [stdout]     |
[INFO] [stdout] 603 |             (0xe0..=0xef, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 603 -             (0xe0..=0xef, 0x40..=0x7e, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 603 +             (0xe0..=0xef, 0x40..=0x7e, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:604:55
[INFO] [stdout]     |
[INFO] [stdout] 604 |             (0xe0..=0xef, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout]     |                                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 604 -             (0xe0..=0xef, 0x80..=0xfc, _, _, _, _) => (2),                               // ShiftJIS
[INFO] [stdout] 604 +             (0xe0..=0xef, 0x80..=0xfc, _, _, _, _) => 2,                               // ShiftJIS
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/matcher.rs:605:18
[INFO] [stdout]     |
[INFO] [stdout] 605 |             _ => (1),                                                                    // Unknown
[INFO] [stdout]     |                  ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 605 -             _ => (1),                                                                    // Unknown
[INFO] [stdout] 605 +             _ => 1,                                                                    // Unknown
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/amber/index.html
[INFO] running `Command { std: "docker" "inspect" "fd545c2a2720e78003a908922959d1c5f97de86098f15492dda8061f714c0c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd545c2a2720e78003a908922959d1c5f97de86098f15492dda8061f714c0c3b", kill_on_drop: false }`
[INFO] [stdout] fd545c2a2720e78003a908922959d1c5f97de86098f15492dda8061f714c0c3b