[INFO] crate uu_groups 0.0.1 is already in cache
[INFO] documenting uu_groups-0.0.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate uu_groups 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate uu_groups 0.0.1 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 uu_groups 0.0.1
[INFO] finished tweaking crates.io crate uu_groups 0.0.1
[INFO] tweaked toml for crates.io crate uu_groups 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate uu_groups 0.0.1 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] bebf3476eb6efd444ced2a9c46c0b88e00a6e60ec34e6c8bae498e6aa73c9f04
[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" "bebf3476eb6efd444ced2a9c46c0b88e00a6e60ec34e6c8bae498e6aa73c9f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebf3476eb6efd444ced2a9c46c0b88e00a6e60ec34e6c8bae498e6aa73c9f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebf3476eb6efd444ced2a9c46c0b88e00a6e60ec34e6c8bae498e6aa73c9f04", kill_on_drop: false }`
[INFO] [stdout] bebf3476eb6efd444ced2a9c46c0b88e00a6e60ec34e6c8bae498e6aa73c9f04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 85082531e2ace702df57bf2a182d91ba147f7b0bf47b50b492975761d10abfb6
[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" "85082531e2ace702df57bf2a182d91ba147f7b0bf47b50b492975761d10abfb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking dunce v1.0.0
[INFO] [stderr]     Checking wild v2.0.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking uucore v0.0.4
[INFO] [stderr]    Compiling uucore_procs v0.0.4
[INFO] [stderr]     Checking uu_groups v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting uu_groups v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.05s
[INFO] running `Command { std: "docker" "inspect" "85082531e2ace702df57bf2a182d91ba147f7b0bf47b50b492975761d10abfb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85082531e2ace702df57bf2a182d91ba147f7b0bf47b50b492975761d10abfb6", kill_on_drop: false }`
[INFO] [stdout] 85082531e2ace702df57bf2a182d91ba147f7b0bf47b50b492975761d10abfb6