[INFO] cloning repository https://github.com/little-dude/aian-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/little-dude/aian-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittle-dude%2Faian-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittle-dude%2Faian-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a66798b9e457c6ad76c48f1a25ae8b1a7cd09e25
[INFO] checking little-dude/aian-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittle-dude%2Faian-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/little-dude/aian-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/little-dude/aian-rust
[INFO] finished tweaking git repo https://github.com/little-dude/aian-rust
[INFO] tweaked toml for git repo https://github.com/little-dude/aian-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/little-dude/aian-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.3.7
[INFO] [stderr]   Downloaded quickcheck v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.16
[INFO] [stderr]   Downloaded regex v0.1.77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7779692aaa67af4208e77495c2e73502e509f4ffac40384e6562f7efb9ea1645
[INFO] running `Command { std: "docker" "start" "-a" "7779692aaa67af4208e77495c2e73502e509f4ffac40384e6562f7efb9ea1645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7779692aaa67af4208e77495c2e73502e509f4ffac40384e6562f7efb9ea1645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7779692aaa67af4208e77495c2e73502e509f4ffac40384e6562f7efb9ea1645", kill_on_drop: false }`
[INFO] [stdout] 7779692aaa67af4208e77495c2e73502e509f4ffac40384e6562f7efb9ea1645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b45a4bdaf9b6826f1c4389c5fd0fef2a05c4aecec7e58b831e9869c9b8480cb
[INFO] running `Command { std: "docker" "start" "-a" "7b45a4bdaf9b6826f1c4389c5fd0fef2a05c4aecec7e58b831e9869c9b8480cb", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.7
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.77
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.3.1
[INFO] [stderr]     Checking aian v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sorting.rs:53:49
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn median_of_three_pivot<T>(slice: &mut [T]) -> (usize)
[INFO] [stdout]    |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sorting.rs:81:55
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn partition<T>(slice: &mut [T], pivot_idx: usize) -> (usize)
[INFO] [stdout]    |                                                       ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sorting.rs:53:49
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn median_of_three_pivot<T>(slice: &mut [T]) -> (usize)
[INFO] [stdout]    |                                                 ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sorting.rs:81:55
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn partition<T>(slice: &mut [T], pivot_idx: usize) -> (usize)
[INFO] [stdout]    |                                                       ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "7b45a4bdaf9b6826f1c4389c5fd0fef2a05c4aecec7e58b831e9869c9b8480cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b45a4bdaf9b6826f1c4389c5fd0fef2a05c4aecec7e58b831e9869c9b8480cb", kill_on_drop: false }`
[INFO] [stdout] 7b45a4bdaf9b6826f1c4389c5fd0fef2a05c4aecec7e58b831e9869c9b8480cb