[INFO] cloning repository https://github.com/dali99/mercury
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dali99/mercury" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdali99%2Fmercury", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdali99%2Fmercury'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94982994f56afed04185edb7417ed2f901c37bad
[INFO] documenting dali99/mercury against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdali99%2Fmercury" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dali99/mercury 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 git repo https://github.com/dali99/mercury
[INFO] finished tweaking git repo https://github.com/dali99/mercury
[INFO] tweaked toml for git repo https://github.com/dali99/mercury written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dali99/mercury already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byte-strings v0.2.2
[INFO] [stderr]   Downloaded coz v0.1.3
[INFO] [stderr]   Downloaded byte-strings-proc_macros v0.2.2
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] baf46cbdb1ab7e254917bbcd11a2af8930299f98cecc64e0ce9544690c623f03
[INFO] running `Command { std: "docker" "start" "-a" "baf46cbdb1ab7e254917bbcd11a2af8930299f98cecc64e0ce9544690c623f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baf46cbdb1ab7e254917bbcd11a2af8930299f98cecc64e0ce9544690c623f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf46cbdb1ab7e254917bbcd11a2af8930299f98cecc64e0ce9544690c623f03", kill_on_drop: false }`
[INFO] [stdout] baf46cbdb1ab7e254917bbcd11a2af8930299f98cecc64e0ce9544690c623f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] dca559125d19d17d4588014be6fe624559f9b25f2b3e62902f732dbc40ff4b75
[INFO] running `Command { std: "docker" "start" "-a" "dca559125d19d17d4588014be6fe624559f9b25f2b3e62902f732dbc40ff4b75", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking thousands v0.2.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking coz v0.1.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling darling_core v0.13.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling byte-strings-proc_macros v0.2.2
[INFO] [stderr]     Checking byte-strings v0.2.2
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]     Checking modular-bitfield v0.11.2
[INFO] [stderr]    Compiling darling v0.13.1
[INFO] [stderr]    Compiling cached_proc_macro v0.6.2
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking cached v0.23.0
[INFO] [stderr]  Documenting mercury v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/azul.rs:504:61
[INFO] [stdout]     |
[INFO] [stdout] 504 |                         Tile::Blue => {self.box_top.blue += (row as u8 + 1)}
[INFO] [stdout]     |                                                             ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 504 -                         Tile::Blue => {self.box_top.blue += (row as u8 + 1)}
[INFO] [stdout] 504 +                         Tile::Blue => {self.box_top.blue += row as u8 + 1}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/azul.rs:505:65
[INFO] [stdout]     |
[INFO] [stdout] 505 |                         Tile::Yellow => {self.box_top.yellow += (row as u8 + 1)}
[INFO] [stdout]     |                                                                 ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 505 -                         Tile::Yellow => {self.box_top.yellow += (row as u8 + 1)}
[INFO] [stdout] 505 +                         Tile::Yellow => {self.box_top.yellow += row as u8 + 1}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/azul.rs:506:59
[INFO] [stdout]     |
[INFO] [stdout] 506 |                         Tile::Red => {self.box_top.red += (row as u8 + 1)}
[INFO] [stdout]     |                                                           ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 506 -                         Tile::Red => {self.box_top.red += (row as u8 + 1)}
[INFO] [stdout] 506 +                         Tile::Red => {self.box_top.red += row as u8 + 1}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/azul.rs:507:63
[INFO] [stdout]     |
[INFO] [stdout] 507 |                         Tile::Black => {self.box_top.black += (row as u8 + 1)}
[INFO] [stdout]     |                                                               ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 507 -                         Tile::Black => {self.box_top.black += (row as u8 + 1)}
[INFO] [stdout] 507 +                         Tile::Black => {self.box_top.black += row as u8 + 1}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/azul.rs:508:61
[INFO] [stdout]     |
[INFO] [stdout] 508 |                         Tile::Teal => {self.box_top.teal += (row as u8 + 1)}
[INFO] [stdout]     |                                                             ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 508 -                         Tile::Teal => {self.box_top.teal += (row as u8 + 1)}
[INFO] [stdout] 508 +                         Tile::Teal => {self.box_top.teal += row as u8 + 1}
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/azul2.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]    | ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 39 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 39 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/azul2.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]    | ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 50 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 50 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/azul2.rs:93:1
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]    | ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 93 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 93 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/azul2.rs:136:1
[INFO] [stdout]     |
[INFO] [stdout] 136 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 136 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 136 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/azul2.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 147 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 147 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/azul2.rs:157:1
[INFO] [stdout]     |
[INFO] [stdout] 157 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 157 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 157 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/azul2.rs:169:1
[INFO] [stdout]     |
[INFO] [stdout] 169 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 169 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 169 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/azul2.rs:173:1
[INFO] [stdout]     |
[INFO] [stdout] 173 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 173 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 173 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/azul2.rs:177:1
[INFO] [stdout]     |
[INFO] [stdout] 177 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 177 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 177 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/azul2.rs:181:1
[INFO] [stdout]     |
[INFO] [stdout] 181 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 181 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 181 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/azul2.rs:185:1
[INFO] [stdout]     |
[INFO] [stdout] 185 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 185 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 185 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/azul2.rs:190:1
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 190 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 190 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/azul2.rs:201:1
[INFO] [stdout]     |
[INFO] [stdout] 201 | #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 201 - #[derive(BitfieldSpecifier)]
[INFO] [stdout] 201 + #[derive(BitfieldSpecifier)]
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mercury`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name mercury src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=15afe84cc5ff37e2 -L dependency=/opt/rustwide/target/debug/deps --extern ahash=/opt/rustwide/target/debug/deps/libahash-125324c8fcdad890.rmeta --extern byte_strings=/opt/rustwide/target/debug/deps/libbyte_strings-5324e164ac59e977.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-0f7b48b1032fa462.rmeta --extern coz=/opt/rustwide/target/debug/deps/libcoz-46fbfa1e54694e73.rmeta --extern modular_bitfield=/opt/rustwide/target/debug/deps/libmodular_bitfield-b7711f78a2f4403a.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a1d8c852d95acfc5.rmeta --extern thousands=/opt/rustwide/target/debug/deps/libthousands-6fc9f0b87a3a6545.rmeta --extern tinyvec=/opt/rustwide/target/debug/deps/libtinyvec-f5e57c4fce2c8c12.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dca559125d19d17d4588014be6fe624559f9b25f2b3e62902f732dbc40ff4b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca559125d19d17d4588014be6fe624559f9b25f2b3e62902f732dbc40ff4b75", kill_on_drop: false }`
[INFO] [stdout] dca559125d19d17d4588014be6fe624559f9b25f2b3e62902f732dbc40ff4b75