[INFO] updating cached repository https://github.com/james-learns-to-code/rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15d889c81184c2aeaa1d95d8c5d6abd950a5ca37
[INFO] documenting james-learns-to-code/rust-example against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjames-learns-to-code%2Frust-example" "/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/james-learns-to-code/rust-example 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 git repo https://github.com/james-learns-to-code/rust-example
[INFO] finished tweaking git repo https://github.com/james-learns-to-code/rust-example
[INFO] tweaked toml for git repo https://github.com/james-learns-to-code/rust-example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/james-learns-to-code/rust-example 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] [stderr]     Blocking waiting for file lock on package cache
[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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bd7a26ec860be3d1929400c86973aab1b5e9e8d553408894b2a780fd9350e02
[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" "6bd7a26ec860be3d1929400c86973aab1b5e9e8d553408894b2a780fd9350e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd7a26ec860be3d1929400c86973aab1b5e9e8d553408894b2a780fd9350e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd7a26ec860be3d1929400c86973aab1b5e9e8d553408894b2a780fd9350e02", kill_on_drop: false }`
[INFO] [stdout] 6bd7a26ec860be3d1929400c86973aab1b5e9e8d553408894b2a780fd9350e02
[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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef2a36ef388a32f4ad1063d2e9b1ea9c55a5670a1b886f2b82cd199dbda6fd20
[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" "ef2a36ef388a32f4ad1063d2e9b1ea9c55a5670a1b886f2b82cd199dbda6fd20", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "ef2a36ef388a32f4ad1063d2e9b1ea9c55a5670a1b886f2b82cd199dbda6fd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2a36ef388a32f4ad1063d2e9b1ea9c55a5670a1b886f2b82cd199dbda6fd20", kill_on_drop: false }`
[INFO] [stdout] ef2a36ef388a32f4ad1063d2e9b1ea9c55a5670a1b886f2b82cd199dbda6fd20