[INFO] cloning repository https://github.com/Jaksy-dev/rustyrabbit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jaksy-dev/rustyrabbit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaksy-dev%2Frustyrabbit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaksy-dev%2Frustyrabbit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88f26d82a652838d0471f2b7b7587121003ac152
[INFO] checking Jaksy-dev/rustyrabbit against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaksy-dev%2Frustyrabbit" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jaksy-dev/rustyrabbit
[INFO] finished tweaking git repo https://github.com/Jaksy-dev/rustyrabbit
[INFO] tweaked toml for git repo https://github.com/Jaksy-dev/rustyrabbit written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jaksy-dev/rustyrabbit on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jaksy-dev/rustyrabbit 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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Jaksy-dev/rustyrabbit against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaksy-dev%2Frustyrabbit" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Jaksy-dev/rustyrabbit
[INFO] finished tweaking git repo https://github.com/Jaksy-dev/rustyrabbit
[INFO] tweaked toml for git repo https://github.com/Jaksy-dev/rustyrabbit written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Jaksy-dev/rustyrabbit on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Jaksy-dev/rustyrabbit 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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chess v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 933b6800d5b08be870ec406d9423222c82d9d46b11c9b84e28d766903784a87a
[INFO] running `Command { std: "docker" "start" "-a" "933b6800d5b08be870ec406d9423222c82d9d46b11c9b84e28d766903784a87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "933b6800d5b08be870ec406d9423222c82d9d46b11c9b84e28d766903784a87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933b6800d5b08be870ec406d9423222c82d9d46b11c9b84e28d766903784a87a", kill_on_drop: false }`
[INFO] [stdout] 933b6800d5b08be870ec406d9423222c82d9d46b11c9b84e28d766903784a87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c39282eba446b209a6a7263e19da21d7ce6abc828a44645eaad71aabbaddef2c
[INFO] running `Command { std: "docker" "start" "-a" "c39282eba446b209a6a7263e19da21d7ce6abc828a44645eaad71aabbaddef2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]     Checking rustyrabbit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]  --> src/calculate.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn calculate(board: &mut Board) -> ChessMove {
[INFO] [stdout]   |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]  --> src/calculate.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn calculate(board: &mut Board) -> ChessMove {
[INFO] [stdout]   |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wtime`
[INFO] [stdout]   --> src/uci.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let wtime = tokens.next().unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_wtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `btime`
[INFO] [stdout]   --> src/uci.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let btime = tokens.next().unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_btime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `winc`
[INFO] [stdout]   --> src/uci.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let winc = tokens.next().unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_winc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binc`
[INFO] [stdout]   --> src/uci.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let binc = tokens.next().unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_binc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wtime`
[INFO] [stdout]   --> src/uci.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let wtime = tokens.next().unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_wtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `btime`
[INFO] [stdout]   --> src/uci.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let btime = tokens.next().unwrap();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_btime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `winc`
[INFO] [stdout]   --> src/uci.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let winc = tokens.next().unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_winc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binc`
[INFO] [stdout]   --> src/uci.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let binc = tokens.next().unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_binc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.05s
[INFO] running `Command { std: "docker" "inspect" "c39282eba446b209a6a7263e19da21d7ce6abc828a44645eaad71aabbaddef2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39282eba446b209a6a7263e19da21d7ce6abc828a44645eaad71aabbaddef2c", kill_on_drop: false }`
[INFO] [stdout] c39282eba446b209a6a7263e19da21d7ce6abc828a44645eaad71aabbaddef2c