[INFO] cloning repository https://github.com/pawel-szajna/kopyto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pawel-szajna/kopyto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpawel-szajna%2Fkopyto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpawel-szajna%2Fkopyto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 107477f08ea79111a7c9ad9668a887b671a551db
[INFO] checking pawel-szajna/kopyto against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpawel-szajna%2Fkopyto" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pawel-szajna/kopyto
[INFO] finished tweaking git repo https://github.com/pawel-szajna/kopyto
[INFO] tweaked toml for git repo https://github.com/pawel-szajna/kopyto written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pawel-szajna/kopyto on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pawel-szajna/kopyto 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scanner-rust v2.0.17
[INFO] [stderr]   Downloaded generic-array v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 92f8b04bd6b49b3a39a2571a622a1fb64b822aad2898d590ceb85eca92e47577
[INFO] running `Command { std: "docker" "start" "92f8b04bd6b49b3a39a2571a622a1fb64b822aad2898d590ceb85eca92e47577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92f8b04bd6b49b3a39a2571a622a1fb64b822aad2898d590ceb85eca92e47577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "92f8b04bd6b49b3a39a2571a622a1fb64b822aad2898d590ceb85eca92e47577" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92f8b04bd6b49b3a39a2571a622a1fb64b822aad2898d590ceb85eca92e47577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "92f8b04bd6b49b3a39a2571a622a1fb64b822aad2898d590ceb85eca92e47577" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking generic-array v1.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling enum-ordinalize-derive v4.3.1
[INFO] [stderr]    Compiling enum-ordinalize v4.3.0
[INFO] [stderr]    Compiling educe v0.6.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking scanner-rust v2.0.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking kopyto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `kopyto` (bin "kopyto")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/bin/rustc --crate-name kopyto --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=3e361e4bf2809b39 -C extra-filename=-3644a1a89c83e315 --out-dir /opt/rustwide/target/debug/build/kopyto/3644a1a89c83e315/out -L dependency=/opt/rustwide/target/debug/build/byteorder/26cc2b7c7908f2b2/out -L dependency=/opt/rustwide/target/debug/build/cfg-if/074563ca5cc71cff/out -L dependency=/opt/rustwide/target/debug/build/educe/9ecfe804ce7faad6/out -L dependency=/opt/rustwide/target/debug/build/generic-array/1325d769e5fb607c/out -L dependency=/opt/rustwide/target/debug/build/getrandom/3e28c7bb431cbc3c/out -L dependency=/opt/rustwide/target/debug/build/libc/942ff80727d39ee1/out -L dependency=/opt/rustwide/target/debug/build/ppv-lite86/46a98b754696a801/out -L dependency=/opt/rustwide/target/debug/build/rand_chacha/098184d012fc9a2e/out -L dependency=/opt/rustwide/target/debug/build/rand_core/70e7acb8c52aae91/out -L dependency=/opt/rustwide/target/debug/build/typenum/0c376f5e2d9b2d17/out -L dependency=/opt/rustwide/target/debug/build/utf8-width/bf63c5d27f895cc1/out -L dependency=/opt/rustwide/target/debug/build/zerocopy-derive/fc93457bcb0ef4da/out -L dependency=/opt/rustwide/target/debug/build/zerocopy/45b72c3f5003dc3d/out --extern rand=/opt/rustwide/target/debug/build/rand/b969f9e80cd13737/out/librand-b969f9e80cd13737.rmeta --extern scanner_rust=/opt/rustwide/target/debug/build/scanner-rust/90361235406c9cb5/out/libscanner_rust-90361235406c9cb5.rmeta --extern seq_macro=/opt/rustwide/target/debug/build/seq-macro/7d5c9f6376239836/out/libseq_macro-7d5c9f6376239836.so --cap-lints=forbid -Znext-solver=coherence --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/board/board.rs:638:17
[INFO] [stdout]     |
[INFO] [stdout] 638 |             let mut board = Board::from_fen("r1bqkbnr/pppp2pp/8/4pp2/8/2NnP1PP/PPPPNP2/R1BQKB1R w KQkq - 4 3");
[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] running `Command { std: "docker" "inspect" "92f8b04bd6b49b3a39a2571a622a1fb64b822aad2898d590ceb85eca92e47577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f8b04bd6b49b3a39a2571a622a1fb64b822aad2898d590ceb85eca92e47577", kill_on_drop: false }`
[INFO] [stdout] 92f8b04bd6b49b3a39a2571a622a1fb64b822aad2898d590ceb85eca92e47577
