[INFO] cloning repository https://github.com/gameboyprinter/rustchess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gameboyprinter/rustchess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgameboyprinter%2Frustchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgameboyprinter%2Frustchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3a4f58a10086e9a6112fcaede4f5b67ccf10d55
[INFO] checking gameboyprinter/rustchess against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgameboyprinter%2Frustchess" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gameboyprinter/rustchess on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gameboyprinter/rustchess
[INFO] finished tweaking git repo https://github.com/gameboyprinter/rustchess
[INFO] tweaked toml for git repo https://github.com/gameboyprinter/rustchess written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/gameboyprinter/rustchess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8db01f7599f91291256cd50b826d39f4225e8527920a7b9a844d7f537f7d993
[INFO] running `Command { std: "docker" "start" "-a" "d8db01f7599f91291256cd50b826d39f4225e8527920a7b9a844d7f537f7d993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8db01f7599f91291256cd50b826d39f4225e8527920a7b9a844d7f537f7d993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8db01f7599f91291256cd50b826d39f4225e8527920a7b9a844d7f537f7d993", kill_on_drop: false }`
[INFO] [stdout] d8db01f7599f91291256cd50b826d39f4225e8527920a7b9a844d7f537f7d993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09f59b56b2f07ff24136732d2fbbd2b44961332ef2bd4491ad35d700a4fe20d8
[INFO] running `Command { std: "docker" "start" "-a" "09f59b56b2f07ff24136732d2fbbd2b44961332ef2bd4491ad35d700a4fe20d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rustchess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]   --> src/board.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Black
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAILBOX`
[INFO] [stdout]   --> src/board.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / const MAILBOX: [i8; 120] = [
[INFO] [stdout] 41 | |      -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
[INFO] [stdout] 42 | |      -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
[INFO] [stdout] 43 | |      -1,  0,  1,  2,  3,  4,  5,  6,  7, -1,
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |      -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
[INFO] [stdout] 53 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAILBOX64`
[INFO] [stdout]   --> src/board.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | / const MAILBOX64: [u8; 64] = [
[INFO] [stdout] 56 | |     21, 22, 23, 24, 25, 26, 27, 28,
[INFO] [stdout] 57 | |     31, 32, 33, 34, 35, 36, 37, 38,
[INFO] [stdout] 58 | |     41, 42, 43, 44, 45, 46, 47, 48,
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     91, 92, 93, 94, 95, 96, 97, 98
[INFO] [stdout] 64 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]   --> src/board.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Black
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAILBOX`
[INFO] [stdout]   --> src/board.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / const MAILBOX: [i8; 120] = [
[INFO] [stdout] 41 | |      -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
[INFO] [stdout] 42 | |      -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
[INFO] [stdout] 43 | |      -1,  0,  1,  2,  3,  4,  5,  6,  7, -1,
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |      -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
[INFO] [stdout] 53 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAILBOX64`
[INFO] [stdout]   --> src/board.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | / const MAILBOX64: [u8; 64] = [
[INFO] [stdout] 56 | |     21, 22, 23, 24, 25, 26, 27, 28,
[INFO] [stdout] 57 | |     31, 32, 33, 34, 35, 36, 37, 38,
[INFO] [stdout] 58 | |     41, 42, 43, 44, 45, 46, 47, 48,
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     91, 92, 93, 94, 95, 96, 97, 98
[INFO] [stdout] 64 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.60s
[INFO] running `Command { std: "docker" "inspect" "09f59b56b2f07ff24136732d2fbbd2b44961332ef2bd4491ad35d700a4fe20d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f59b56b2f07ff24136732d2fbbd2b44961332ef2bd4491ad35d700a4fe20d8", kill_on_drop: false }`
[INFO] [stdout] 09f59b56b2f07ff24136732d2fbbd2b44961332ef2bd4491ad35d700a4fe20d8