[INFO] fetching crate qatrade-rs 0.4.0...
[INFO] documenting qatrade-rs-0.4.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate qatrade-rs 0.4.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate qatrade-rs 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qatrade-rs 0.4.0
[INFO] finished tweaking crates.io crate qatrade-rs 0.4.0
[INFO] tweaked toml for crates.io crate qatrade-rs 0.4.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate crates.io crate qatrade-rs 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b0199d619928f110a4452369e40449a672beb8e00ccd0fafe9c60fb25d409b2
[INFO] running `Command { std: "docker" "start" "-a" "1b0199d619928f110a4452369e40449a672beb8e00ccd0fafe9c60fb25d409b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b0199d619928f110a4452369e40449a672beb8e00ccd0fafe9c60fb25d409b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b0199d619928f110a4452369e40449a672beb8e00ccd0fafe9c60fb25d409b2", kill_on_drop: false }`
[INFO] [stdout] 1b0199d619928f110a4452369e40449a672beb8e00ccd0fafe9c60fb25d409b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a9c8ad49adf2d548d4b60f552fa875a4a67479180fcea22201f9703aa9c325d
[INFO] running `Command { std: "docker" "start" "-a" "6a9c8ad49adf2d548d4b60f552fa875a4a67479180fcea22201f9703aa9c325d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[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-0.6.20/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="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=9314dde5e883aab1 -C extra-filename=-9314dde5e883aab1 --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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6a9c8ad49adf2d548d4b60f552fa875a4a67479180fcea22201f9703aa9c325d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9c8ad49adf2d548d4b60f552fa875a4a67479180fcea22201f9703aa9c325d", kill_on_drop: false }`
[INFO] [stdout] 6a9c8ad49adf2d548d4b60f552fa875a4a67479180fcea22201f9703aa9c325d
