[INFO] cloning repository https://github.com/clobber-rs/clobber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clobber-rs/clobber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclobber-rs%2Fclobber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclobber-rs%2Fclobber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5ed6b03270ddcd2ca1849dfe173531904af01b0
[INFO] checking clobber-rs/clobber against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclobber-rs%2Fclobber" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clobber-rs/clobber on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clobber-rs/clobber
[INFO] finished tweaking git repo https://github.com/clobber-rs/clobber
[INFO] tweaked toml for git repo https://github.com/clobber-rs/clobber written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/clobber-rs/clobber already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f30923bb9c06e696d55e180e86c1400f3c24ac3e9d917a43ac19cc972b305aba
[INFO] running `Command { std: "docker" "start" "-a" "f30923bb9c06e696d55e180e86c1400f3c24ac3e9d917a43ac19cc972b305aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f30923bb9c06e696d55e180e86c1400f3c24ac3e9d917a43ac19cc972b305aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30923bb9c06e696d55e180e86c1400f3c24ac3e9d917a43ac19cc972b305aba", kill_on_drop: false }`
[INFO] [stdout] f30923bb9c06e696d55e180e86c1400f3c24ac3e9d917a43ac19cc972b305aba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f65cad83e314ba9036f854af5293351106f6dbe8f675c728400d9f308cb7a655
[INFO] running `Command { std: "docker" "start" "-a" "f65cad83e314ba9036f854af5293351106f6dbe8f675c728400d9f308cb7a655", 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]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.5.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.77
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking wildmatch v2.1.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking const-oid v0.6.0
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.77
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking rand_core v0.6.3
[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-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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=aa7900256607b78b -C extra-filename=-aa7900256607b78b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "f65cad83e314ba9036f854af5293351106f6dbe8f675c728400d9f308cb7a655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65cad83e314ba9036f854af5293351106f6dbe8f675c728400d9f308cb7a655", kill_on_drop: false }`
[INFO] [stdout] f65cad83e314ba9036f854af5293351106f6dbe8f675c728400d9f308cb7a655