[INFO] cloning repository https://github.com/hel-repo/hel2-back
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hel-repo/hel2-back" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhel-repo%2Fhel2-back", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhel-repo%2Fhel2-back'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] becb95f0eb763bf26182cf09d47f544728876f67
[INFO] documenting hel-repo/hel2-back 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%2Fhel-repo%2Fhel2-back" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hel-repo/hel2-back 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/hel-repo/hel2-back
[INFO] finished tweaking git repo https://github.com/hel-repo/hel2-back
[INFO] tweaked toml for git repo https://github.com/hel-repo/hel2-back written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/hel-repo/hel2-back 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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 820f4d6cb2bf950c1e67adb4e228acb19484cc43799a45a7aec04fdef7d2a7f2
[INFO] running `Command { std: "docker" "start" "-a" "820f4d6cb2bf950c1e67adb4e228acb19484cc43799a45a7aec04fdef7d2a7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "820f4d6cb2bf950c1e67adb4e228acb19484cc43799a45a7aec04fdef7d2a7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820f4d6cb2bf950c1e67adb4e228acb19484cc43799a45a7aec04fdef7d2a7f2", kill_on_drop: false }`
[INFO] [stdout] 820f4d6cb2bf950c1e67adb4e228acb19484cc43799a45a7aec04fdef7d2a7f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] f3d2ec0a044595209ac1df7cd8ce38c641cd212e4183189ed48f1cc3c8e7d01d
[INFO] running `Command { std: "docker" "start" "-a" "f3d2ec0a044595209ac1df7cd8ce38c641cd212e4183189ed48f1cc3c8e7d01d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking futures v0.1.20
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling serde v1.0.36
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling bytecount v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]     Checking memoffset v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking string v0.1.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking http-range v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[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-1.0.36/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="std"' -C metadata=09298a5ea46fc74e -C extra-filename=-09298a5ea46fc74e --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" "f3d2ec0a044595209ac1df7cd8ce38c641cd212e4183189ed48f1cc3c8e7d01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d2ec0a044595209ac1df7cd8ce38c641cd212e4183189ed48f1cc3c8e7d01d", kill_on_drop: false }`
[INFO] [stdout] f3d2ec0a044595209ac1df7cd8ce38c641cd212e4183189ed48f1cc3c8e7d01d
