[INFO] fetching crate webchain-rs 0.22.1...
[INFO] checking webchain-rs-0.22.1 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate webchain-rs 0.22.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate webchain-rs 0.22.1 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webchain-rs 0.22.1
[INFO] finished tweaking crates.io crate webchain-rs 0.22.1
[INFO] tweaked toml for crates.io crate webchain-rs 0.22.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3546931a8d9fe3e201a74bd2b1562474ed8dbc921bfc1103311ee9a34d467a4
[INFO] running `Command { std: "docker" "start" "-a" "c3546931a8d9fe3e201a74bd2b1562474ed8dbc921bfc1103311ee9a34d467a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3546931a8d9fe3e201a74bd2b1562474ed8dbc921bfc1103311ee9a34d467a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3546931a8d9fe3e201a74bd2b1562474ed8dbc921bfc1103311ee9a34d467a4", kill_on_drop: false }`
[INFO] [stdout] c3546931a8d9fe3e201a74bd2b1562474ed8dbc921bfc1103311ee9a34d467a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0e83d0011388f651e0df37b63649fedbab610698c4aa7a4a598b9bd33aedaa0
[INFO] running `Command { std: "docker" "start" "-a" "c0e83d0011388f651e0df37b63649fedbab610698c4aa7a4a598b9bd33aedaa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking bech32 v0.3.2
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking bitcoin-bech32 v0.5.1
[INFO] [stderr]     Checking libc v0.2.97
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking hpack v0.2.0
[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 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=c3aa7da090b61135 -C extra-filename=-c3aa7da090b61135 --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" "c0e83d0011388f651e0df37b63649fedbab610698c4aa7a4a598b9bd33aedaa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e83d0011388f651e0df37b63649fedbab610698c4aa7a4a598b9bd33aedaa0", kill_on_drop: false }`
[INFO] [stdout] c0e83d0011388f651e0df37b63649fedbab610698c4aa7a4a598b9bd33aedaa0