[INFO] cloning repository https://github.com/wuminzhe/matching-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wuminzhe/matching-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuminzhe%2Fmatching-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuminzhe%2Fmatching-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c74254d0e4d972c8b6735cd068d5f349e92683c5
[INFO] checking wuminzhe/matching-rs against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuminzhe%2Fmatching-rs" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wuminzhe/matching-rs 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 git repo https://github.com/wuminzhe/matching-rs
[INFO] finished tweaking git repo https://github.com/wuminzhe/matching-rs
[INFO] tweaked toml for git repo https://github.com/wuminzhe/matching-rs written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/wuminzhe/matching-rs 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 opaque-debug v0.2.2
[INFO] [stderr]   Downloaded nix v0.13.1
[INFO] [stderr]   Downloaded pest_generator v2.1.0
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.1
[INFO] [stderr]   Downloaded pest_meta v2.1.1
[INFO] [stderr]   Downloaded pest v2.1.1
[INFO] [stderr]   Downloaded amq-protocol-types v1.2.0
[INFO] [stderr]   Downloaded amq-protocol-codegen v1.4.0
[INFO] [stderr]   Downloaded snafu-derive v0.4.1
[INFO] [stderr]   Downloaded num-bigint v0.2.2
[INFO] [stderr]   Downloaded snafu v0.4.1
[INFO] [stderr]   Downloaded intrusive-collections v0.6.8
[INFO] [stderr]   Downloaded amq-protocol v1.4.0
[INFO] [stderr]   Downloaded git2 v0.9.1
[INFO] [stderr]   Downloaded named_pipe v0.4.1
[INFO] [stderr]   Downloaded input_buffer v0.2.0
[INFO] [stderr]   Downloaded handlebars v1.1.0
[INFO] [stderr]   Downloaded libgit2-sys v0.8.1
[INFO] [stderr]   Downloaded cookie-factory v0.2.4
[INFO] [stderr]   Downloaded serde_derive v1.0.95
[INFO] [stderr]   Downloaded mysql_common v0.17.1
[INFO] [stderr]   Downloaded lexical v2.2.1
[INFO] [stderr]   Downloaded built v0.3.1
[INFO] [stderr]   Downloaded amiquip v0.3.0
[INFO] [stderr]   Downloaded mysql v16.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 850c7b36f1b4b1400d211b4f0500fbee086a9fd0a13f86acd88a5e65f8304b21
[INFO] running `Command { std: "docker" "start" "-a" "850c7b36f1b4b1400d211b4f0500fbee086a9fd0a13f86acd88a5e65f8304b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "850c7b36f1b4b1400d211b4f0500fbee086a9fd0a13f86acd88a5e65f8304b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850c7b36f1b4b1400d211b4f0500fbee086a9fd0a13f86acd88a5e65f8304b21", kill_on_drop: false }`
[INFO] [stdout] 850c7b36f1b4b1400d211b4f0500fbee086a9fd0a13f86acd88a5e65f8304b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] c849162f4a80d34ee902f2264699e2cc0146c8b80c3089c00aa2dc949c54208b
[INFO] running `Command { std: "docker" "start" "-a" "c849162f4a80d34ee902f2264699e2cc0146c8b80c3089c00aa2dc949c54208b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling mysql v16.0.2
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking intrusive-collections v0.6.8
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking walkdir v2.2.8
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]    Compiling lexical v2.2.1
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking twox-hash v1.4.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking pest v2.1.1
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling time v0.1.42
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=9c2ca0da8c997674 -C extra-filename=-9c2ca0da8c997674 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-228e83d605c6fa8b.rmeta --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" "c849162f4a80d34ee902f2264699e2cc0146c8b80c3089c00aa2dc949c54208b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c849162f4a80d34ee902f2264699e2cc0146c8b80c3089c00aa2dc949c54208b", kill_on_drop: false }`
[INFO] [stdout] c849162f4a80d34ee902f2264699e2cc0146c8b80c3089c00aa2dc949c54208b
