[INFO] fetching crate mdbook-svgbob2 0.2.2...
[INFO] checking mdbook-svgbob2-0.2.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate mdbook-svgbob2 0.2.2 into /workspace/builds/worker-111/source
[INFO] validating manifest of crates.io crate mdbook-svgbob2 0.2.2 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 mdbook-svgbob2 0.2.2
[INFO] finished tweaking crates.io crate mdbook-svgbob2 0.2.2
[INFO] tweaked toml for crates.io crate mdbook-svgbob2 0.2.2 written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] crate crates.io crate mdbook-svgbob2 0.2.2 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_shared v0.10.0
[INFO] [stderr]   Downloaded nalgebra-macros v0.1.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded arrayvec v0.7.1
[INFO] [stderr]   Downloaded pulldown-cmark-to-cmark v6.0.4
[INFO] [stderr]   Downloaded simba v0.6.0
[INFO] [stderr]   Downloaded rawpointer v0.2.1
[INFO] [stderr]   Downloaded nalgebra v0.29.0
[INFO] [stderr]   Downloaded parry2d v0.7.1
[INFO] [stderr]   Downloaded phf_generator v0.10.0
[INFO] [stderr]   Downloaded wide v0.7.1
[INFO] [stderr]   Downloaded approx v0.5.0
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded phf_macros v0.10.0
[INFO] [stderr]   Downloaded pom v3.2.0
[INFO] [stderr]   Downloaded phf v0.10.0
[INFO] [stderr]   Downloaded mt-dom v0.12.3
[INFO] [stderr]   Downloaded sauron-core v0.43.7
[INFO] [stderr]   Downloaded jss v0.4.0
[INFO] [stderr]   Downloaded svgbob v0.6.2
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded sauron v0.43.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 232ebc1d6a14e2cb132e24d9f49e93fa538368d3e8434a8994ec4f31c6eaaab8
[INFO] running `Command { std: "docker" "start" "-a" "232ebc1d6a14e2cb132e24d9f49e93fa538368d3e8434a8994ec4f31c6eaaab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "232ebc1d6a14e2cb132e24d9f49e93fa538368d3e8434a8994ec4f31c6eaaab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232ebc1d6a14e2cb132e24d9f49e93fa538368d3e8434a8994ec4f31c6eaaab8", kill_on_drop: false }`
[INFO] [stdout] 232ebc1d6a14e2cb132e24d9f49e93fa538368d3e8434a8994ec4f31c6eaaab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] c6b82e4e56a2635fb0caae6862a40135bc5672a75231ebcf228e2939007d65cc
[INFO] running `Command { std: "docker" "start" "-a" "c6b82e4e56a2635fb0caae6862a40135bc5672a75231ebcf228e2939007d65cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking pom v3.2.0
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mt-dom v0.12.3
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[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=af5f9d12c561e34d -C extra-filename=-af5f9d12c561e34d --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" "c6b82e4e56a2635fb0caae6862a40135bc5672a75231ebcf228e2939007d65cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b82e4e56a2635fb0caae6862a40135bc5672a75231ebcf228e2939007d65cc", kill_on_drop: false }`
[INFO] [stdout] c6b82e4e56a2635fb0caae6862a40135bc5672a75231ebcf228e2939007d65cc
