[INFO] cloning repository https://github.com/ccqpein/random_choice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ccqpein/random_choice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccqpein%2Frandom_choice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccqpein%2Frandom_choice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1837f7b774ff9cfe601af335d1f532f30376adab
[INFO] documenting ccqpein/random_choice 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%2Fccqpein%2Frandom_choice" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ccqpein/random_choice 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/ccqpein/random_choice
[INFO] finished tweaking git repo https://github.com/ccqpein/random_choice
[INFO] tweaked toml for git repo https://github.com/ccqpein/random_choice written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/ccqpein/random_choice 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 }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.56
[INFO] [stderr]   Downloaded serde v1.0.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] a3231a2f21ea47a128724afbabc7d6eb156593ff5f470c2a5a939ea282a137dc
[INFO] running `Command { std: "docker" "start" "-a" "a3231a2f21ea47a128724afbabc7d6eb156593ff5f470c2a5a939ea282a137dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3231a2f21ea47a128724afbabc7d6eb156593ff5f470c2a5a939ea282a137dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3231a2f21ea47a128724afbabc7d6eb156593ff5f470c2a5a939ea282a137dc", kill_on_drop: false }`
[INFO] [stdout] a3231a2f21ea47a128724afbabc7d6eb156593ff5f470c2a5a939ea282a137dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 6c1986ebb35d02b80f0b06a4af6a139dc98523663e4e676e6a0792bf20491656
[INFO] running `Command { std: "docker" "start" "-a" "6c1986ebb35d02b80f0b06a4af6a139dc98523663e4e676e6a0792bf20491656", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.56
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.56
[INFO] [stderr]  Documenting random_choice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.12s
[INFO] running `Command { std: "docker" "inspect" "6c1986ebb35d02b80f0b06a4af6a139dc98523663e4e676e6a0792bf20491656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1986ebb35d02b80f0b06a4af6a139dc98523663e4e676e6a0792bf20491656", kill_on_drop: false }`
[INFO] [stdout] 6c1986ebb35d02b80f0b06a4af6a139dc98523663e4e676e6a0792bf20491656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 881b23cd7f9bbd710d0bd579637c6db9214894866f69d6863883c93e7a9abda9
[INFO] running `Command { std: "docker" "start" "-a" "881b23cd7f9bbd710d0bd579637c6db9214894866f69d6863883c93e7a9abda9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.56
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling serde_derive v1.0.56
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]  Documenting random_choice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "881b23cd7f9bbd710d0bd579637c6db9214894866f69d6863883c93e7a9abda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881b23cd7f9bbd710d0bd579637c6db9214894866f69d6863883c93e7a9abda9", kill_on_drop: false }`
[INFO] [stdout] 881b23cd7f9bbd710d0bd579637c6db9214894866f69d6863883c93e7a9abda9