[INFO] cloning repository https://github.com/benbenfan/reverse-polish-hanoi-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benbenfan/reverse-polish-hanoi-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbenfan%2Freverse-polish-hanoi-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbenfan%2Freverse-polish-hanoi-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b32568fbfd2f4efaef0313454d1f2ecce2974890
[INFO] documenting benbenfan/reverse-polish-hanoi-calculator against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbenfan%2Freverse-polish-hanoi-calculator" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benbenfan/reverse-polish-hanoi-calculator on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benbenfan/reverse-polish-hanoi-calculator
[INFO] finished tweaking git repo https://github.com/benbenfan/reverse-polish-hanoi-calculator
[INFO] tweaked toml for git repo https://github.com/benbenfan/reverse-polish-hanoi-calculator written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/benbenfan/reverse-polish-hanoi-calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a380f90fb3bb9963138e9b4ac90ad9dd15edf01351783800b37d7e5bde94abf
[INFO] running `Command { std: "docker" "start" "-a" "6a380f90fb3bb9963138e9b4ac90ad9dd15edf01351783800b37d7e5bde94abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a380f90fb3bb9963138e9b4ac90ad9dd15edf01351783800b37d7e5bde94abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a380f90fb3bb9963138e9b4ac90ad9dd15edf01351783800b37d7e5bde94abf", kill_on_drop: false }`
[INFO] [stdout] 6a380f90fb3bb9963138e9b4ac90ad9dd15edf01351783800b37d7e5bde94abf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f60d53ab2063d6ccf6869a0522bf0f56d7d3e1691827d96c76b22dbfe788c025
[INFO] running `Command { std: "docker" "start" "-a" "f60d53ab2063d6ccf6869a0522bf0f56d7d3e1691827d96c76b22dbfe788c025", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]  Documenting hw4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "f60d53ab2063d6ccf6869a0522bf0f56d7d3e1691827d96c76b22dbfe788c025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60d53ab2063d6ccf6869a0522bf0f56d7d3e1691827d96c76b22dbfe788c025", kill_on_drop: false }`
[INFO] [stdout] f60d53ab2063d6ccf6869a0522bf0f56d7d3e1691827d96c76b22dbfe788c025