[INFO] cloning repository https://github.com/brunocodutra/chessboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brunocodutra/chessboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunocodutra%2Fchessboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunocodutra%2Fchessboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25113786cbb37292bd2d22b855e20a6b9d7e9a99
[INFO] checking brunocodutra/chessboard against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunocodutra%2Fchessboard" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brunocodutra/chessboard on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brunocodutra/chessboard
[INFO] finished tweaking git repo https://github.com/brunocodutra/chessboard
[INFO] tweaked toml for git repo https://github.com/brunocodutra/chessboard written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/brunocodutra/chessboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "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 v0.4.2
[INFO] [stderr]   Downloaded structmeta-derive v0.1.5
[INFO] [stderr]   Downloaded rustix v0.34.7
[INFO] [stderr]   Downloaded mockall v0.11.1
[INFO] [stderr]   Downloaded fragile v1.2.0
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded structmeta v0.1.5
[INFO] [stderr]   Downloaded mockall_derive v0.11.1
[INFO] [stderr]   Downloaded pgn-reader v0.20.0
[INFO] [stderr]   Downloaded test-strategy v0.2.0
[INFO] [stderr]   Downloaded vampirc-uci v0.11.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.46
[INFO] [stderr]   Downloaded shakmaty v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 795375bc9ba0a6c0dcdce7c6d7d2dfa5a7c974c581b783f030d4d5cc7a8287c0
[INFO] running `Command { std: "docker" "start" "-a" "795375bc9ba0a6c0dcdce7c6d7d2dfa5a7c974c581b783f030d4d5cc7a8287c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "795375bc9ba0a6c0dcdce7c6d7d2dfa5a7c974c581b783f030d4d5cc7a8287c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795375bc9ba0a6c0dcdce7c6d7d2dfa5a7c974c581b783f030d4d5cc7a8287c0", kill_on_drop: false }`
[INFO] [stdout] 795375bc9ba0a6c0dcdce7c6d7d2dfa5a7c974c581b783f030d4d5cc7a8287c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be4aa3697b1c16d01ba290a0eadc4db24fc41a87c6e93a7360f4792ca4de09bd
[INFO] running `Command { std: "docker" "start" "-a" "be4aa3697b1c16d01ba290a0eadc4db24fc41a87c6e93a7360f4792ca4de09bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling io-lifetimes v0.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling rustix v0.34.7
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.11.0
[INFO] [stderr]    Compiling shakmaty v0.21.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking os_str_bytes v6.0.1
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking fragile v1.2.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.26/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=26733878c9adfda1 -C extra-filename=-26733878c9adfda1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "be4aa3697b1c16d01ba290a0eadc4db24fc41a87c6e93a7360f4792ca4de09bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4aa3697b1c16d01ba290a0eadc4db24fc41a87c6e93a7360f4792ca4de09bd", kill_on_drop: false }`
[INFO] [stdout] be4aa3697b1c16d01ba290a0eadc4db24fc41a87c6e93a7360f4792ca4de09bd