[INFO] cloning repository https://github.com/tomiknuuttila/fuzzy-train
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomiknuuttila/fuzzy-train" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomiknuuttila%2Ffuzzy-train", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomiknuuttila%2Ffuzzy-train'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08b1727a32bf12a27d708981332516da93653602
[INFO] documenting tomiknuuttila/fuzzy-train 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%2Ftomiknuuttila%2Ffuzzy-train" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomiknuuttila/fuzzy-train 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/tomiknuuttila/fuzzy-train
[INFO] finished tweaking git repo https://github.com/tomiknuuttila/fuzzy-train
[INFO] tweaked toml for git repo https://github.com/tomiknuuttila/fuzzy-train written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/tomiknuuttila/fuzzy-train 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] df0579b13f4c19de4e3ae1a8f10c497d87e5f96fd57b18de9f06ea1da19bb4ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "df0579b13f4c19de4e3ae1a8f10c497d87e5f96fd57b18de9f06ea1da19bb4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df0579b13f4c19de4e3ae1a8f10c497d87e5f96fd57b18de9f06ea1da19bb4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0579b13f4c19de4e3ae1a8f10c497d87e5f96fd57b18de9f06ea1da19bb4ac", kill_on_drop: false }`
[INFO] [stdout] df0579b13f4c19de4e3ae1a8f10c497d87e5f96fd57b18de9f06ea1da19bb4ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 5a6911edfaf0a2b5894a81e8ff8d71ed1c0093017a961b041118ca265f895c5f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a6911edfaf0a2b5894a81e8ff8d71ed1c0093017a961b041118ca265f895c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling state v0.5.1
[INFO] [stderr]     Checking spin v0.9.0
[INFO] [stderr]    Compiling tokio v1.7.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling cookie v0.15.0
[INFO] [stderr]    Compiling figment v0.10.5
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atomic v0.5.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling devise_core v0.3.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr] error: could not compile `http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.2.4/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 -C metadata=f934d99aebf29821 -C extra-filename=-f934d99aebf29821 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-df7cac8fc38da202.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-56e05e18a5751d51.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-9ccdb0b3e3d11258.rmeta --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" "5a6911edfaf0a2b5894a81e8ff8d71ed1c0093017a961b041118ca265f895c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6911edfaf0a2b5894a81e8ff8d71ed1c0093017a961b041118ca265f895c5f", kill_on_drop: false }`
[INFO] [stdout] 5a6911edfaf0a2b5894a81e8ff8d71ed1c0093017a961b041118ca265f895c5f