[INFO] cloning repository https://github.com/0xcxdxxr/lalalere
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xcxdxxr/lalalere" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xcxdxxr%2Flalalere", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xcxdxxr%2Flalalere'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95ba2a46e61f822f53a7c74b56b682ff3e2e814e
[INFO] checking 0xcxdxxr/lalalere against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xcxdxxr%2Flalalere" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xcxdxxr/lalalere 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/0xcxdxxr/lalalere
[INFO] finished tweaking git repo https://github.com/0xcxdxxr/lalalere
[INFO] tweaked toml for git repo https://github.com/0xcxdxxr/lalalere written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/0xcxdxxr/lalalere 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] warning: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[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 ref_thread_local v0.0.0
[INFO] [stderr]   Downloaded pretty v0.5.2
[INFO] [stderr]   Downloaded tint v1.0.1
[INFO] [stderr]   Downloaded ptree v0.2.1
[INFO] [stderr]   Downloaded rgb v0.8.14
[INFO] [stderr]   Downloaded typed-arena v1.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] c9d2dd709e20c807500b507318b119a3b8228c6016df9e8de61bd2120ac2d05b
[INFO] running `Command { std: "docker" "start" "-a" "c9d2dd709e20c807500b507318b119a3b8228c6016df9e8de61bd2120ac2d05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9d2dd709e20c807500b507318b119a3b8228c6016df9e8de61bd2120ac2d05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d2dd709e20c807500b507318b119a3b8228c6016df9e8de61bd2120ac2d05b", kill_on_drop: false }`
[INFO] [stdout] c9d2dd709e20c807500b507318b119a3b8228c6016df9e8de61bd2120ac2d05b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 17d21707c46a08ede9cceedec79a634f25671078950d3272d4a035914227c7f4
[INFO] running `Command { std: "docker" "start" "-a" "17d21707c46a08ede9cceedec79a634f25671078950d3272d4a035914227c7f4", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `rename-dependency` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#renaming-dependencies-in-cargotoml for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling typed-arena v1.6.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling ref_thread_local v0.0.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling serde_test v0.8.23
[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-0.6.12/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --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=00609df68f1a6931 -C extra-filename=-00609df68f1a6931 --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" "17d21707c46a08ede9cceedec79a634f25671078950d3272d4a035914227c7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d21707c46a08ede9cceedec79a634f25671078950d3272d4a035914227c7f4", kill_on_drop: false }`
[INFO] [stdout] 17d21707c46a08ede9cceedec79a634f25671078950d3272d4a035914227c7f4