[INFO] cloning repository https://github.com/motss/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/motss/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotss%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotss%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba8b1604551ac72a4b3e93a0ed2de3e5ae9f6621
[INFO] documenting motss/learning-rust against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotss%2Flearning-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/motss/learning-rust on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/motss/learning-rust
[INFO] finished tweaking git repo https://github.com/motss/learning-rust
[INFO] tweaked toml for git repo https://github.com/motss/learning-rust written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/motss/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0158ac0ef5a5f7e90a909372433e9a5a5aa1d416a46e29796f18031a8b284ecc
[INFO] running `Command { std: "docker" "start" "-a" "0158ac0ef5a5f7e90a909372433e9a5a5aa1d416a46e29796f18031a8b284ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0158ac0ef5a5f7e90a909372433e9a5a5aa1d416a46e29796f18031a8b284ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0158ac0ef5a5f7e90a909372433e9a5a5aa1d416a46e29796f18031a8b284ecc", kill_on_drop: false }`
[INFO] [stdout] 0158ac0ef5a5f7e90a909372433e9a5a5aa1d416a46e29796f18031a8b284ecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31c8e58aa27d1544d5511104a87b36e6a80427af11d5d836735dd3f18613ad6c
[INFO] running `Command { std: "docker" "start" "-a" "31c8e58aa27d1544d5511104a87b36e6a80427af11d5d836735dd3f18613ad6c", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.4
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[INFO] [stderr]    Compiling typenum v1.10.0
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[INFO] [stderr]    Compiling proc-macro2 v0.4.9
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[INFO] [stderr]     Checking warp v0.1.0
[INFO] [stderr]  Documenting learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.83s
[INFO] running `Command { std: "docker" "inspect" "31c8e58aa27d1544d5511104a87b36e6a80427af11d5d836735dd3f18613ad6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c8e58aa27d1544d5511104a87b36e6a80427af11d5d836735dd3f18613ad6c", kill_on_drop: false }`
[INFO] [stdout] 31c8e58aa27d1544d5511104a87b36e6a80427af11d5d836735dd3f18613ad6c