[INFO] cloning repository https://github.com/AntonZelenin/rust-kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AntonZelenin/rust-kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-kvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-kvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7ff4b0965e6b8e3963f84689080b5e3f2ffffb0
[INFO] documenting AntonZelenin/rust-kvs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-kvs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AntonZelenin/rust-kvs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AntonZelenin/rust-kvs
[INFO] finished tweaking git repo https://github.com/AntonZelenin/rust-kvs
[INFO] tweaked toml for git repo https://github.com/AntonZelenin/rust-kvs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/AntonZelenin/rust-kvs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded normalize-line-endings v0.2.2
[INFO] [stderr]   Downloaded md5 v0.6.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.8
[INFO] [stderr]   Downloaded bson v0.14.0
[INFO] [stderr]   Downloaded regex v1.1.9
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d5b9edf22c90403ba459699584ae992fd801f93ccea624eb1dab38a4099a0b4
[INFO] running `Command { std: "docker" "start" "-a" "0d5b9edf22c90403ba459699584ae992fd801f93ccea624eb1dab38a4099a0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d5b9edf22c90403ba459699584ae992fd801f93ccea624eb1dab38a4099a0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5b9edf22c90403ba459699584ae992fd801f93ccea624eb1dab38a4099a0b4", kill_on_drop: false }`
[INFO] [stdout] 0d5b9edf22c90403ba459699584ae992fd801f93ccea624eb1dab38a4099a0b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 980f08c3260d75799c95fd0240cdea23cf8e50b7d4497fd640d43cae7025012f
[INFO] running `Command { std: "docker" "start" "-a" "980f08c3260d75799c95fd0240cdea23cf8e50b7d4497fd640d43cae7025012f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]  Documenting kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "980f08c3260d75799c95fd0240cdea23cf8e50b7d4497fd640d43cae7025012f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980f08c3260d75799c95fd0240cdea23cf8e50b7d4497fd640d43cae7025012f", kill_on_drop: false }`
[INFO] [stdout] 980f08c3260d75799c95fd0240cdea23cf8e50b7d4497fd640d43cae7025012f