[INFO] cloning repository https://github.com/Arkanosis/microstatus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arkanosis/microstatus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkanosis%2Fmicrostatus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkanosis%2Fmicrostatus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d223bb11ccfbf6ab1823e68943230ef5db2794f
[INFO] documenting Arkanosis/microstatus against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkanosis%2Fmicrostatus" "/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/Arkanosis/microstatus on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Arkanosis/microstatus
[INFO] finished tweaking git repo https://github.com/Arkanosis/microstatus
[INFO] tweaked toml for git repo https://github.com/Arkanosis/microstatus written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Arkanosis/microstatus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2c7c84f1855bc1fbfcad7671db5c4d7e8fa9acb9f45b951e00f2431836e6a16
[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" "e2c7c84f1855bc1fbfcad7671db5c4d7e8fa9acb9f45b951e00f2431836e6a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2c7c84f1855bc1fbfcad7671db5c4d7e8fa9acb9f45b951e00f2431836e6a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c7c84f1855bc1fbfcad7671db5c4d7e8fa9acb9f45b951e00f2431836e6a16", kill_on_drop: false }`
[INFO] [stdout] e2c7c84f1855bc1fbfcad7671db5c4d7e8fa9acb9f45b951e00f2431836e6a16
[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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7cbe477a0eb19d189f2ff026f227b132c8874a1d60e0bd31195b09e66eb62e8
[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" "a7cbe477a0eb19d189f2ff026f227b132c8874a1d60e0bd31195b09e66eb62e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]  Documenting microstatus v0.0.2-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.97s
[INFO] running `Command { std: "docker" "inspect" "a7cbe477a0eb19d189f2ff026f227b132c8874a1d60e0bd31195b09e66eb62e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cbe477a0eb19d189f2ff026f227b132c8874a1d60e0bd31195b09e66eb62e8", kill_on_drop: false }`
[INFO] [stdout] a7cbe477a0eb19d189f2ff026f227b132c8874a1d60e0bd31195b09e66eb62e8