[INFO] cloning repository https://github.com/hufman/etch-hash-crack-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hufman/etch-hash-crack-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhufman%2Fetch-hash-crack-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhufman%2Fetch-hash-crack-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e08d7b7bc41267ee529e256ccf48e19b973bc61
[INFO] documenting hufman/etch-hash-crack-rs against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhufman%2Fetch-hash-crack-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hufman/etch-hash-crack-rs 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/hufman/etch-hash-crack-rs
[INFO] finished tweaking git repo https://github.com/hufman/etch-hash-crack-rs
[INFO] tweaked toml for git repo https://github.com/hufman/etch-hash-crack-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hufman/etch-hash-crack-rs 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]     Updating git repository `https://github.com/hufman/etch-hash-rs.git`
[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] c15b8aa49cd6daa90a9d8e1c6895bddb3073cd7800cb9bfac0b24b19d25caee6
[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" "c15b8aa49cd6daa90a9d8e1c6895bddb3073cd7800cb9bfac0b24b19d25caee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c15b8aa49cd6daa90a9d8e1c6895bddb3073cd7800cb9bfac0b24b19d25caee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15b8aa49cd6daa90a9d8e1c6895bddb3073cd7800cb9bfac0b24b19d25caee6", kill_on_drop: false }`
[INFO] [stdout] c15b8aa49cd6daa90a9d8e1c6895bddb3073cd7800cb9bfac0b24b19d25caee6
[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] ad00bdf9546c3da445a6bd7d65390805c4be7596627734dafb49af1d89637686
[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" "ad00bdf9546c3da445a6bd7d65390805c4be7596627734dafb49af1d89637686", kill_on_drop: false }`
[INFO] [stderr]     Checking etch-hash v0.1.0 (https://github.com/hufman/etch-hash-rs.git#b3734f7d)
[INFO] [stderr]  Documenting etch-hash-crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "ad00bdf9546c3da445a6bd7d65390805c4be7596627734dafb49af1d89637686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad00bdf9546c3da445a6bd7d65390805c4be7596627734dafb49af1d89637686", kill_on_drop: false }`
[INFO] [stdout] ad00bdf9546c3da445a6bd7d65390805c4be7596627734dafb49af1d89637686