[INFO] fetching crate cognito-user-reader 1.0.3...
[INFO] documenting cognito-user-reader-1.0.3 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cognito-user-reader 1.0.3 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate cognito-user-reader 1.0.3 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 cognito-user-reader 1.0.3
[INFO] finished tweaking crates.io crate cognito-user-reader 1.0.3
[INFO] tweaked toml for crates.io crate cognito-user-reader 1.0.3 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate crates.io crate cognito-user-reader 1.0.3 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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 61ac8e89286bd73952dd9de0637fa4cc77aa4039ba95efa3b81ae4d004d8e66a
[INFO] running `Command { std: "docker" "start" "-a" "61ac8e89286bd73952dd9de0637fa4cc77aa4039ba95efa3b81ae4d004d8e66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61ac8e89286bd73952dd9de0637fa4cc77aa4039ba95efa3b81ae4d004d8e66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ac8e89286bd73952dd9de0637fa4cc77aa4039ba95efa3b81ae4d004d8e66a", kill_on_drop: false }`
[INFO] [stdout] 61ac8e89286bd73952dd9de0637fa4cc77aa4039ba95efa3b81ae4d004d8e66a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] b476bb2b6da611900ff49461c889d168568d61e462971256125d15780a88551e
[INFO] running `Command { std: "docker" "start" "-a" "b476bb2b6da611900ff49461c889d168568d61e462971256125d15780a88551e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling heck v0.3.1
[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 -C metadata=a474b8021e992898 -C extra-filename=-a474b8021e992898 --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" "b476bb2b6da611900ff49461c889d168568d61e462971256125d15780a88551e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b476bb2b6da611900ff49461c889d168568d61e462971256125d15780a88551e", kill_on_drop: false }`
[INFO] [stdout] b476bb2b6da611900ff49461c889d168568d61e462971256125d15780a88551e
