[INFO] fetching crate cargo-serve-doc 0.1.0...
[INFO] checking cargo-serve-doc-0.1.0 against master#89b9f7b284aacc5f8613438b80e4dd7bdd10549e for pr-92594
[INFO] extracting crate cargo-serve-doc 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cargo-serve-doc 0.1.0 on toolchain 89b9f7b284aacc5f8613438b80e4dd7bdd10549e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-serve-doc 0.1.0
[INFO] finished tweaking crates.io crate cargo-serve-doc 0.1.0
[INFO] tweaked toml for crates.io crate cargo-serve-doc 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "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 mime_guess v1.8.8
[INFO] [stderr]   Downloaded headers-core v0.1.1
[INFO] [stderr]   Downloaded tower-service v0.1.0
[INFO] [stderr]   Downloaded headers v0.2.3
[INFO] [stderr]   Downloaded checked v0.5.0
[INFO] [stderr]   Downloaded atoi v0.2.3
[INFO] [stderr]   Downloaded tower-web v0.3.7
[INFO] [stderr]   Downloaded serde_plain v0.3.0
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.3
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.3
[INFO] [stderr]   Downloaded replacing-buf-stream v0.1.0
[INFO] [stderr]   Downloaded tower-web-macros v0.3.5
[INFO] [stderr]   Downloaded handlebars v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df6b41bcbe9b641aec5de6b763df726d9db4ce6d110d6d3f88cee49c7b254956
[INFO] running `Command { std: "docker" "start" "-a" "df6b41bcbe9b641aec5de6b763df726d9db4ce6d110d6d3f88cee49c7b254956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df6b41bcbe9b641aec5de6b763df726d9db4ce6d110d6d3f88cee49c7b254956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6b41bcbe9b641aec5de6b763df726d9db4ce6d110d6d3f88cee49c7b254956", kill_on_drop: false }`
[INFO] [stdout] df6b41bcbe9b641aec5de6b763df726d9db4ce6d110d6d3f88cee49c7b254956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+89b9f7b284aacc5f8613438b80e4dd7bdd10549e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89dd31986c667971c7ad675089eee6efa830911b709df73718b9d7bb43fef1d3
[INFO] running `Command { std: "docker" "start" "-a" "89dd31986c667971c7ad675089eee6efa830911b709df73718b9d7bb43fef1d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.75
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling curl v0.4.42
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fastrand v1.6.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling curl-sys v0.4.52+curl-7.81.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking jobserver v0.1.24
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking block-padding v0.1.5
[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,future-incompat --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=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "89dd31986c667971c7ad675089eee6efa830911b709df73718b9d7bb43fef1d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89dd31986c667971c7ad675089eee6efa830911b709df73718b9d7bb43fef1d3", kill_on_drop: false }`
[INFO] [stdout] 89dd31986c667971c7ad675089eee6efa830911b709df73718b9d7bb43fef1d3