[INFO] cloning repository https://github.com/redox-os/userutils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redox-os/userutils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fuserutils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fuserutils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbed606ea75c44fd6853c88fce39ddfd0a017b97
[INFO] documenting redox-os/userutils against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredox-os%2Fuserutils" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redox-os/userutils on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redox-os/userutils
[INFO] finished tweaking git repo https://github.com/redox-os/userutils
[INFO] tweaked toml for git repo https://github.com/redox-os/userutils written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate git repo https://github.com/redox-os/userutils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://gitlab.redox-os.org/redox-os/libextra.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_liner v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e70b4c6e66c2b0951c7b4441b2fa3525b19a457f5850f08cfe999691c98795b
[INFO] running `Command { std: "docker" "start" "-a" "7e70b4c6e66c2b0951c7b4441b2fa3525b19a457f5850f08cfe999691c98795b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e70b4c6e66c2b0951c7b4441b2fa3525b19a457f5850f08cfe999691c98795b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e70b4c6e66c2b0951c7b4441b2fa3525b19a457f5850f08cfe999691c98795b", kill_on_drop: false }`
[INFO] [stdout] 7e70b4c6e66c2b0951c7b4441b2fa3525b19a457f5850f08cfe999691c98795b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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=forbid" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0cc55cc58d8b54aa48c0756a4dab6a4638c9287ab4343e50ad8c166c045edf
[INFO] running `Command { std: "docker" "start" "-a" "bc0cc55cc58d8b54aa48c0756a4dab6a4638c9287ab4343e50ad8c166c045edf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking extra v0.1.0 (https://gitlab.redox-os.org/redox-os/libextra.git#cf213969)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking redox_syscall v0.2.12
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking redox_termios v0.1.2
[INFO] [stderr]     Checking rust-argon2 v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking redox_users v0.4.0
[INFO] [stderr]     Checking redox_liner v0.5.1
[INFO] [stderr]  Documenting userutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking userutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `userutils`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name su src/bin/su.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6ab84130f71d725e -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-29549af44d175f3f.rmeta --extern extra=/opt/rustwide/target/debug/deps/libextra-9040996f7d6bc770.rmeta --extern liner=/opt/rustwide/target/debug/deps/libliner-39eb1079d43116ef.rmeta --extern syscall=/opt/rustwide/target/debug/deps/libsyscall-7a7e2e0cd4f42ebc.rmeta --extern redox_termios=/opt/rustwide/target/debug/deps/libredox_termios-bdf56c650c1709a7.rmeta --extern redox_users=/opt/rustwide/target/debug/deps/libredox_users-141343840ae42ec6.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-6aac5f644e1451ea.rmeta --extern userutils=/opt/rustwide/target/debug/deps/libuserutils-bc97ad57c7df6a81.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bc0cc55cc58d8b54aa48c0756a4dab6a4638c9287ab4343e50ad8c166c045edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0cc55cc58d8b54aa48c0756a4dab6a4638c9287ab4343e50ad8c166c045edf", kill_on_drop: false }`
[INFO] [stdout] bc0cc55cc58d8b54aa48c0756a4dab6a4638c9287ab4343e50ad8c166c045edf