[INFO] fetching crate steel-copper 0.1.0...
[INFO] documenting steel-copper-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate steel-copper 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate steel-copper 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate steel-copper 0.1.0
[INFO] finished tweaking crates.io crate steel-copper 0.1.0
[INFO] tweaked toml for crates.io crate steel-copper 0.1.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate steel-copper 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-char-property v0.7.0
[INFO] [stderr]   Downloaded unic-segment v0.7.0
[INFO] [stderr]   Downloaded rocket_contrib v0.4.5
[INFO] [stderr]   Downloaded rocket v0.4.5
[INFO] [stderr]   Downloaded devise_core v0.2.0
[INFO] [stderr]   Downloaded lru_time_cache v0.10.0
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.8
[INFO] [stderr]   Downloaded debug-helper v0.3.10
[INFO] [stderr]   Downloaded libc v0.2.72
[INFO] [stderr]   Downloaded num-bigint v0.3.0
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded minifier v0.0.36
[INFO] [stderr]   Downloaded tinyvec v0.3.3
[INFO] [stderr]   Downloaded unic-char-range v0.7.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.7.0
[INFO] [stderr]   Downloaded universal-hash v0.3.0
[INFO] [stderr]   Downloaded cookie v0.11.3
[INFO] [stderr]   Downloaded polyval v0.3.3
[INFO] [stderr]   Downloaded subtle v2.2.3
[INFO] [stderr]   Downloaded hkdf v0.8.0
[INFO] [stderr]   Downloaded aes-gcm v0.5.0
[INFO] [stderr]   Downloaded aes v0.3.2
[INFO] [stderr]   Downloaded block-cipher-trait v0.6.2
[INFO] [stderr]   Downloaded rocket_http v0.4.5
[INFO] [stderr]   Downloaded rocket_codegen v0.4.5
[INFO] [stderr]   Downloaded aesni v0.6.0
[INFO] [stderr]   Downloaded html-escape v0.2.6
[INFO] [stderr]   Downloaded educe v0.4.13
[INFO] [stderr]   Downloaded globset v0.4.5
[INFO] [stderr]   Downloaded tera v1.4.0
[INFO] [stderr]   Downloaded devise_codegen v0.2.0
[INFO] [stderr]   Downloaded inotify-sys v0.1.3
[INFO] [stderr]   Downloaded rocket-include-static-resources v0.9.5
[INFO] [stderr]   Downloaded crc-any v2.3.5
[INFO] [stderr]   Downloaded macro-utils v0.1.3
[INFO] [stderr]   Downloaded notify v4.0.15
[INFO] [stderr]   Downloaded hashbrown v0.8.1
[INFO] [stderr]   Downloaded pear_codegen v0.1.4
[INFO] [stderr]   Downloaded ignore v0.4.16
[INFO] [stderr]   Downloaded aead v0.2.0
[INFO] [stderr]   Downloaded state v0.4.1
[INFO] [stderr]   Downloaded pear v0.1.4
[INFO] [stderr]   Downloaded indexmap v1.5.0
[INFO] [stderr]   Downloaded rc-u8-reader v2.0.12
[INFO] [stderr]   Downloaded rocket-include-tera v0.4.19
[INFO] [stderr]   Downloaded yansi v0.5.0
[INFO] [stderr]   Downloaded ghash v0.2.3
[INFO] [stderr]   Downloaded chrono-tz v0.5.2
[INFO] [stderr]   Downloaded html-minifier v3.0.3
[INFO] [stderr]   Downloaded rocket-etag-if-none-match v0.3.5
[INFO] [stderr]   Downloaded globwalk v0.8.0
[INFO] [stderr]   Downloaded devise v0.2.0
[INFO] [stderr]   Downloaded zeroize v1.1.0
[INFO] [stderr]   Downloaded aes-soft v0.3.3
[INFO] [stderr]   Downloaded unic-ucd-segment v0.7.0
[INFO] [stderr]   Downloaded unic-common v0.7.0
[INFO] [stderr]   Downloaded tera v0.11.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a383f8d1fe52d1a7e83e20e837f97f4d1efe87f354d08e3ef5920373988f404
[INFO] running `Command { std: "docker" "start" "-a" "2a383f8d1fe52d1a7e83e20e837f97f4d1efe87f354d08e3ef5920373988f404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a383f8d1fe52d1a7e83e20e837f97f4d1efe87f354d08e3ef5920373988f404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a383f8d1fe52d1a7e83e20e837f97f4d1efe87f354d08e3ef5920373988f404", kill_on_drop: false }`
[INFO] [stdout] 2a383f8d1fe52d1a7e83e20e837f97f4d1efe87f354d08e3ef5920373988f404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbab0ecd5eb4ac766774b521e442153c4b6c3374b873017cc03e11ef7f385dc9
[INFO] running `Command { std: "docker" "start" "-a" "cbab0ecd5eb4ac766774b521e442153c4b6c3374b873017cc03e11ef7f385dc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking debug-helper v0.3.10
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]     Checking macro-utils v0.1.3
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking cow-utils v0.1.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking lru_time_cache v0.10.0
[INFO] [stderr]     Checking rc-u8-reader v2.0.12
[INFO] [stderr]     Checking minifier v0.0.36
[INFO] [stderr]     Checking crc-any v2.3.5
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking html-escape v0.2.6
[INFO] [stderr]     Checking unic-char-property v0.9.0
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.18/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,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=e39cb6ddd0222123 -C extra-filename=-e39cb6ddd0222123 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cbab0ecd5eb4ac766774b521e442153c4b6c3374b873017cc03e11ef7f385dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbab0ecd5eb4ac766774b521e442153c4b6c3374b873017cc03e11ef7f385dc9", kill_on_drop: false }`
[INFO] [stdout] cbab0ecd5eb4ac766774b521e442153c4b6c3374b873017cc03e11ef7f385dc9