[INFO] fetching crate rav1e 0.5.0-beta.2...
[INFO] checking rav1e-0.5.0-beta.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate rav1e 0.5.0-beta.2 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate rav1e 0.5.0-beta.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rav1e 0.5.0-beta.2
[INFO] finished tweaking crates.io crate rav1e 0.5.0-beta.2
[INFO] tweaked toml for crates.io crate rav1e 0.5.0-beta.2 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate crates.io crate rav1e 0.5.0-beta.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 854455818e305e943fd9a1825b209dea72724a22d87306148fbd5f2e8bbd1efb
[INFO] running `Command { std: "docker" "start" "-a" "854455818e305e943fd9a1825b209dea72724a22d87306148fbd5f2e8bbd1efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "854455818e305e943fd9a1825b209dea72724a22d87306148fbd5f2e8bbd1efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "854455818e305e943fd9a1825b209dea72724a22d87306148fbd5f2e8bbd1efb", kill_on_drop: false }`
[INFO] [stdout] 854455818e305e943fd9a1825b209dea72724a22d87306148fbd5f2e8bbd1efb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deb59e5d208db922ab1a0b9158b39183a9c7786cd4ea0d87df52fe5747fa40ef
[INFO] running `Command { std: "docker" "start" "-a" "deb59e5d208db922ab1a0b9158b39183a9c7786cd4ea0d87df52fe5747fa40ef", 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 libc v0.2.101
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking rust_hawktracer_normal_macro v0.4.1
[INFO] [stderr]    Compiling rust_hawktracer_proc_macro v0.4.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking bitstream-io v1.2.0
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking lab v0.10.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking y4m v0.7.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking ivf v0.1.1
[INFO] [stderr]     Checking rust_hawktracer v0.7.0
[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 opt-level=1 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --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=eb3a8036af65f250 -C extra-filename=-eb3a8036af65f250 --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" "deb59e5d208db922ab1a0b9158b39183a9c7786cd4ea0d87df52fe5747fa40ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb59e5d208db922ab1a0b9158b39183a9c7786cd4ea0d87df52fe5747fa40ef", kill_on_drop: false }`
[INFO] [stdout] deb59e5d208db922ab1a0b9158b39183a9c7786cd4ea0d87df52fe5747fa40ef
