[INFO] cloning repository https://github.com/Huggepugge1/chess_v4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Huggepugge1/chess_v4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHuggepugge1%2Fchess_v4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHuggepugge1%2Fchess_v4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 360363260bbe9e9a5ff6164a8e9dde039e36645d
[INFO] checking Huggepugge1/chess_v4 against try#df1b9bf194c9183fb7c0604484171064069ce232 for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHuggepugge1%2Fchess_v4" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Huggepugge1/chess_v4
[INFO] finished tweaking git repo https://github.com/Huggepugge1/chess_v4
[INFO] tweaked toml for git repo https://github.com/Huggepugge1/chess_v4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Huggepugge1/chess_v4 on toolchain df1b9bf194c9183fb7c0604484171064069ce232
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Huggepugge1/chess_v4 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" "+df1b9bf194c9183fb7c0604484171064069ce232" "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 Huggepugge1/chess_v4 against try#df1b9bf194c9183fb7c0604484171064069ce232 for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHuggepugge1%2Fchess_v4" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Huggepugge1/chess_v4
[INFO] finished tweaking git repo https://github.com/Huggepugge1/chess_v4
[INFO] tweaked toml for git repo https://github.com/Huggepugge1/chess_v4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Huggepugge1/chess_v4 on toolchain df1b9bf194c9183fb7c0604484171064069ce232
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Huggepugge1/chess_v4 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" "+df1b9bf194c9183fb7c0604484171064069ce232" "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 btoi v0.4.3
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded either v1.12.0
[INFO] [stderr]   Downloaded pgnparse v0.1.15
[INFO] [stderr]   Downloaded const_for v0.1.4
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.84
[INFO] [stderr]   Downloaded pgn-reader v0.16.0
[INFO] [stderr]   Downloaded serde_json v1.0.117
[INFO] [stderr]   Downloaded syn v2.0.66
[INFO] [stderr]   Downloaded shakmaty v0.17.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0b81b9a4d3c899f95f2a12f3079f47d7eaed0a801adb2d49e4a3f5c5ecf0c1f
[INFO] running `Command { std: "docker" "start" "-a" "f0b81b9a4d3c899f95f2a12f3079f47d7eaed0a801adb2d49e4a3f5c5ecf0c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b81b9a4d3c899f95f2a12f3079f47d7eaed0a801adb2d49e4a3f5c5ecf0c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b81b9a4d3c899f95f2a12f3079f47d7eaed0a801adb2d49e4a3f5c5ecf0c1f", kill_on_drop: false }`
[INFO] [stdout] f0b81b9a4d3c899f95f2a12f3079f47d7eaed0a801adb2d49e4a3f5c5ecf0c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b3dca7d79228c066edcdf30cc9994796cb56dee945647d995a127fd68ed4346
[INFO] running `Command { std: "docker" "start" "-a" "5b3dca7d79228c066edcdf30cc9994796cb56dee945647d995a127fd68ed4346", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling shakmaty v0.17.2
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking const_for v0.1.4
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking btoi v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking pgn-reader v0.16.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking pgnparse v0.1.15
[INFO] [stderr]     Checking chess_v4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/uci.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let mut moves_to_go = None;
[INFO] [stdout]    |                 ----^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/uci.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut nodes = None;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/uci.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let mut mate = None;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/uci.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             let mut moves_to_go = None;
[INFO] [stdout]    |                 ----^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/uci.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut nodes = None;
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/uci.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let mut mate = None;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.05s
[INFO] running `Command { std: "docker" "inspect" "5b3dca7d79228c066edcdf30cc9994796cb56dee945647d995a127fd68ed4346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3dca7d79228c066edcdf30cc9994796cb56dee945647d995a127fd68ed4346", kill_on_drop: false }`
[INFO] [stdout] 5b3dca7d79228c066edcdf30cc9994796cb56dee945647d995a127fd68ed4346
