[INFO] updating cached repository https://github.com/orottier/coreutils-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 070abcfe3e2019a2d40ba326087dcea8689279dc
[INFO] documenting orottier/coreutils-rs against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forottier%2Fcoreutils-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/orottier/coreutils-rs on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/orottier/coreutils-rs
[INFO] finished tweaking git repo https://github.com/orottier/coreutils-rs
[INFO] tweaked toml for git repo https://github.com/orottier/coreutils-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/orottier/coreutils-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d1b551128333e1ad329993f9eaa29635c2dc52db5687bd13094fae6ad15ce9e
[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" "0d1b551128333e1ad329993f9eaa29635c2dc52db5687bd13094fae6ad15ce9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d1b551128333e1ad329993f9eaa29635c2dc52db5687bd13094fae6ad15ce9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1b551128333e1ad329993f9eaa29635c2dc52db5687bd13094fae6ad15ce9e", kill_on_drop: false }`
[INFO] [stdout] 0d1b551128333e1ad329993f9eaa29635c2dc52db5687bd13094fae6ad15ce9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1483d777e80b6de61d3c5f1e4d9e431eea6ecdad51fb19b32f9e3b42c6b305b7
[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" "1483d777e80b6de61d3c5f1e4d9e431eea6ecdad51fb19b32f9e3b42c6b305b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pnet v0.25.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking pnet_macros_support v0.25.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking pnet_sys v0.25.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking ipnetwork v0.15.1
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]     Checking pnet_datalink v0.25.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.25.0
[INFO] [stderr]     Checking pnet_transport v0.25.0
[INFO] [stderr]     Checking coreutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting coreutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `coreutils`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name xargs src/bin/xargs.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-3460d3b7df5db1eb.rmeta --extern coreutils=/opt/rustwide/target/debug/deps/libcoreutils-d5351513a228faf3.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-229fa1d68c460a53.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-89472d4e96e55371.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-7c42daaa445faf9b.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-ef987122d6b7db1e.rmeta --extern pnet=/opt/rustwide/target/debug/deps/libpnet-03428d57f7fafbad.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-1e76933d62108169.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-6deb55af3fcae48d.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-7d1b2841ca05043f.rmeta --cap-lints=forbid` (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" "1483d777e80b6de61d3c5f1e4d9e431eea6ecdad51fb19b32f9e3b42c6b305b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1483d777e80b6de61d3c5f1e4d9e431eea6ecdad51fb19b32f9e3b42c6b305b7", kill_on_drop: false }`
[INFO] [stdout] 1483d777e80b6de61d3c5f1e4d9e431eea6ecdad51fb19b32f9e3b42c6b305b7