[INFO] cloning 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" "clone" "--bare" "https://github.com/orottier/coreutils-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forottier%2Fcoreutils-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forottier%2Fcoreutils-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 070abcfe3e2019a2d40ba326087dcea8689279dc
[INFO] documenting orottier/coreutils-rs against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forottier%2Fcoreutils-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/orottier/coreutils-rs on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-7/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" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55612cf3a12e75956349deef77a582af34510cc6a18df293a26e1cc373885958
[INFO] running `Command { std: "docker" "start" "-a" "55612cf3a12e75956349deef77a582af34510cc6a18df293a26e1cc373885958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55612cf3a12e75956349deef77a582af34510cc6a18df293a26e1cc373885958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55612cf3a12e75956349deef77a582af34510cc6a18df293a26e1cc373885958", kill_on_drop: false }`
[INFO] [stdout] 55612cf3a12e75956349deef77a582af34510cc6a18df293a26e1cc373885958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eb015d6bad3a8ce4b6e9f810b3857ae871771e21c8b78f80002b744db8c0c20
[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" "7eb015d6bad3a8ce4b6e9f810b3857ae871771e21c8b78f80002b744db8c0c20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling pnet v0.25.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking pnet_macros_support v0.25.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[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 num_cpus v1.13.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking ipnetwork v0.15.1
[INFO] [stderr]     Checking pnet_datalink v0.25.0
[INFO] [stderr]     Checking ctrlc v3.1.4
[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 tail src/bin/tail.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-921f4e4826477b94.rmeta --extern coreutils=/opt/rustwide/target/debug/deps/libcoreutils-a9c61d3bc7254e90.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-5567e96c45672097.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-707ed78dbc202b8a.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-e20c860c89728cd7.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-9d42b6846ec525ee.rmeta --extern pnet=/opt/rustwide/target/debug/deps/libpnet-705a4bbe45634d4a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-93672f5c11420ff6.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-d88faf278a897748.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-10da3379160f8e59.rmeta --cap-lints=warn` (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" "7eb015d6bad3a8ce4b6e9f810b3857ae871771e21c8b78f80002b744db8c0c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb015d6bad3a8ce4b6e9f810b3857ae871771e21c8b78f80002b744db8c0c20", kill_on_drop: false }`
[INFO] [stdout] 7eb015d6bad3a8ce4b6e9f810b3857ae871771e21c8b78f80002b744db8c0c20