[INFO] cloning repository https://github.com/anxiousmodernman/sled-dump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anxiousmodernman/sled-dump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanxiousmodernman%2Fsled-dump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanxiousmodernman%2Fsled-dump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fc31ed9de3b62ceff14b3d68e70b8bf79d9d97f
[INFO] documenting anxiousmodernman/sled-dump against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanxiousmodernman%2Fsled-dump" "/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/anxiousmodernman/sled-dump 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/anxiousmodernman/sled-dump
[INFO] finished tweaking git repo https://github.com/anxiousmodernman/sled-dump
[INFO] tweaked toml for git repo https://github.com/anxiousmodernman/sled-dump written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/anxiousmodernman/sled-dump 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-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" "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] 95cb73e884447bc252ebe45c7eb79bbaaf48a82db94c44824165adc207afa967
[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" "95cb73e884447bc252ebe45c7eb79bbaaf48a82db94c44824165adc207afa967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95cb73e884447bc252ebe45c7eb79bbaaf48a82db94c44824165adc207afa967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95cb73e884447bc252ebe45c7eb79bbaaf48a82db94c44824165adc207afa967", kill_on_drop: false }`
[INFO] [stdout] 95cb73e884447bc252ebe45c7eb79bbaaf48a82db94c44824165adc207afa967
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d1edc336d065d79a7945c71343215dfe0978187e9c2fa53ee7cb8c261f8ffa0
[INFO] running `Command { std: "docker" "start" "-a" "9d1edc336d065d79a7945c71343215dfe0978187e9c2fa53ee7cb8c261f8ffa0", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking sled_sync v0.2.2
[INFO] [stderr]     Checking sled_sync v0.3.0
[INFO] [stderr]     Checking pagetable v0.1.5
[INFO] [stderr]     Checking historian v3.0.11
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking pagecache v0.10.2
[INFO] [stderr]     Checking sled v0.18.1
[INFO] [stderr]  Documenting sled-dump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.58s
[INFO] running `Command { std: "docker" "inspect" "9d1edc336d065d79a7945c71343215dfe0978187e9c2fa53ee7cb8c261f8ffa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1edc336d065d79a7945c71343215dfe0978187e9c2fa53ee7cb8c261f8ffa0", kill_on_drop: false }`
[INFO] [stdout] 9d1edc336d065d79a7945c71343215dfe0978187e9c2fa53ee7cb8c261f8ffa0