[INFO] cloning repository https://github.com/maelstrom-rs/maelstrom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maelstrom-rs/maelstrom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaelstrom-rs%2Fmaelstrom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaelstrom-rs%2Fmaelstrom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da6e6cbe6a8fc4f8a1b599a8797a2b64c63cb196
[INFO] checking maelstrom-rs/maelstrom against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaelstrom-rs%2Fmaelstrom" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maelstrom-rs/maelstrom on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maelstrom-rs/maelstrom
[INFO] finished tweaking git repo https://github.com/maelstrom-rs/maelstrom
[INFO] tweaked toml for git repo https://github.com/maelstrom-rs/maelstrom written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/maelstrom-rs/maelstrom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01cdb1c12f63eb989aaef57052591054709533af730b983a923dfe13da57ba6d
[INFO] running `Command { std: "docker" "start" "-a" "01cdb1c12f63eb989aaef57052591054709533af730b983a923dfe13da57ba6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01cdb1c12f63eb989aaef57052591054709533af730b983a923dfe13da57ba6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01cdb1c12f63eb989aaef57052591054709533af730b983a923dfe13da57ba6d", kill_on_drop: false }`
[INFO] [stdout] 01cdb1c12f63eb989aaef57052591054709533af730b983a923dfe13da57ba6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9e07f60e2c459e832b824670dc7ba3078524394a7bdb6e1a3c6e541000f04a7
[INFO] running `Command { std: "docker" "start" "-a" "f9e07f60e2c459e832b824670dc7ba3078524394a7bdb6e1a3c6e541000f04a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling base64 v0.12.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr] error: could not compile `crc32fast`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crc32fast-1.2.0/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=702b821042ec7e37 -C extra-filename=-702b821042ec7e37 --out-dir /opt/rustwide/target/debug/build/crc32fast-702b821042ec7e37 -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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f9e07f60e2c459e832b824670dc7ba3078524394a7bdb6e1a3c6e541000f04a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e07f60e2c459e832b824670dc7ba3078524394a7bdb6e1a3c6e541000f04a7", kill_on_drop: false }`
[INFO] [stdout] f9e07f60e2c459e832b824670dc7ba3078524394a7bdb6e1a3c6e541000f04a7