[INFO] fetching crate undither 1.0.4...
[INFO] documenting undither-1.0.4 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate undither 1.0.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate undither 1.0.4 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate undither 1.0.4
[INFO] finished tweaking crates.io crate undither 1.0.4
[INFO] tweaked toml for crates.io crate undither 1.0.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate undither 1.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vpsearch v2.0.1
[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" "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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] 93707fb3703b8aa4ae1e170d53a4c94f1f9e8fd456a9319e2b47dd0b8660cf26
[INFO] running `Command { std: "docker" "start" "-a" "93707fb3703b8aa4ae1e170d53a4c94f1f9e8fd456a9319e2b47dd0b8660cf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93707fb3703b8aa4ae1e170d53a4c94f1f9e8fd456a9319e2b47dd0b8660cf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93707fb3703b8aa4ae1e170d53a4c94f1f9e8fd456a9319e2b47dd0b8660cf26", kill_on_drop: false }`
[INFO] [stdout] 93707fb3703b8aa4ae1e170d53a4c94f1f9e8fd456a9319e2b47dd0b8660cf26
[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" "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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38a963acc25842a522f245bcda35ad1a28ce303936c188187bb89c3925cb41a8
[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" "38a963acc25842a522f245bcda35ad1a28ce303936c188187bb89c3925cb41a8", kill_on_drop: false }`
[INFO] [stderr]     Checking imgref v1.6.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rgb v0.8.18
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking loop9 v0.1.1
[INFO] [stderr]     Checking vpsearch v2.0.1
[INFO] [stderr]  Documenting undither v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `Command { std: "docker" "inspect" "38a963acc25842a522f245bcda35ad1a28ce303936c188187bb89c3925cb41a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a963acc25842a522f245bcda35ad1a28ce303936c188187bb89c3925cb41a8", kill_on_drop: false }`
[INFO] [stdout] 38a963acc25842a522f245bcda35ad1a28ce303936c188187bb89c3925cb41a8