[INFO] cloning repository https://github.com/allan-simon/sentence-aligner-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/allan-simon/sentence-aligner-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallan-simon%2Fsentence-aligner-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallan-simon%2Fsentence-aligner-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2427c4cd18b991508788d4c3030b9cd7b3cf5b8e
[INFO] documenting allan-simon/sentence-aligner-rust against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallan-simon%2Fsentence-aligner-rust" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/allan-simon/sentence-aligner-rust 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 git repo https://github.com/allan-simon/sentence-aligner-rust
[INFO] finished tweaking git repo https://github.com/allan-simon/sentence-aligner-rust
[INFO] tweaked toml for git repo https://github.com/allan-simon/sentence-aligner-rust written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/allan-simon/sentence-aligner-rust 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 7218403866a6951efb65831245629a8a1cb31d2294dfe62b3b1cb22b1ced491d
[INFO] running `Command { std: "docker" "start" "-a" "7218403866a6951efb65831245629a8a1cb31d2294dfe62b3b1cb22b1ced491d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7218403866a6951efb65831245629a8a1cb31d2294dfe62b3b1cb22b1ced491d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7218403866a6951efb65831245629a8a1cb31d2294dfe62b3b1cb22b1ced491d", kill_on_drop: false }`
[INFO] [stdout] 7218403866a6951efb65831245629a8a1cb31d2294dfe62b3b1cb22b1ced491d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 0defee96b1d561f060fe8a4d8f8340c487537b76a82e45d857323b4b747ffe9b
[INFO] running `Command { std: "docker" "start" "-a" "0defee96b1d561f060fe8a4d8f8340c487537b76a82e45d857323b4b747ffe9b", 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]     Checking libc v0.2.40
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking serde v1.0.45
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]     Checking fallible-iterator v0.1.4
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking md5 v0.3.7
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking pear v0.0.16
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]     Checking socket2 v0.3.5
[INFO] [stderr]     Checking isatty v0.1.7
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking base64 v0.9.1
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.45/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="std"' -C metadata=3a79f36603d76fbb -C extra-filename=-3a79f36603d76fbb --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" "0defee96b1d561f060fe8a4d8f8340c487537b76a82e45d857323b4b747ffe9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0defee96b1d561f060fe8a4d8f8340c487537b76a82e45d857323b4b747ffe9b", kill_on_drop: false }`
[INFO] [stdout] 0defee96b1d561f060fe8a4d8f8340c487537b76a82e45d857323b4b747ffe9b
