[INFO] cloning repository https://github.com/heftyfunseeker/daily-coding-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heftyfunseeker/daily-coding-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheftyfunseeker%2Fdaily-coding-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheftyfunseeker%2Fdaily-coding-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3723b0db161b71e96c74389edd4ef419eb2475c6
[INFO] documenting heftyfunseeker/daily-coding-problem 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%2Fheftyfunseeker%2Fdaily-coding-problem" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heftyfunseeker/daily-coding-problem 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/heftyfunseeker/daily-coding-problem
[INFO] finished tweaking git repo https://github.com/heftyfunseeker/daily-coding-problem
[INFO] tweaked toml for git repo https://github.com/heftyfunseeker/daily-coding-problem written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/heftyfunseeker/daily-coding-problem 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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 5366a6056782fa465a44d5c72dff14dbc252e93a93d7a9545f4cb1658e74de24
[INFO] running `Command { std: "docker" "start" "-a" "5366a6056782fa465a44d5c72dff14dbc252e93a93d7a9545f4cb1658e74de24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5366a6056782fa465a44d5c72dff14dbc252e93a93d7a9545f4cb1658e74de24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5366a6056782fa465a44d5c72dff14dbc252e93a93d7a9545f4cb1658e74de24", kill_on_drop: false }`
[INFO] [stdout] 5366a6056782fa465a44d5c72dff14dbc252e93a93d7a9545f4cb1658e74de24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 0cd44726ab90c01483c26eb77b86158b232a3da6f8d9c80d45ce3b4499ecedfd
[INFO] running `Command { std: "docker" "start" "-a" "0cd44726ab90c01483c26eb77b86158b232a3da6f8d9c80d45ce3b4499ecedfd", kill_on_drop: false }`
[INFO] [stderr]  Documenting daily-coding-problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking daily-coding-problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "0cd44726ab90c01483c26eb77b86158b232a3da6f8d9c80d45ce3b4499ecedfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd44726ab90c01483c26eb77b86158b232a3da6f8d9c80d45ce3b4499ecedfd", kill_on_drop: false }`
[INFO] [stdout] 0cd44726ab90c01483c26eb77b86158b232a3da6f8d9c80d45ce3b4499ecedfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] b28584547027b3d115c18b37c98bba008f4ec33956b03ddbef97d1f918fbbfe7
[INFO] running `Command { std: "docker" "start" "-a" "b28584547027b3d115c18b37c98bba008f4ec33956b03ddbef97d1f918fbbfe7", kill_on_drop: false }`
[INFO] [stderr]  Documenting daily-coding-problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "b28584547027b3d115c18b37c98bba008f4ec33956b03ddbef97d1f918fbbfe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28584547027b3d115c18b37c98bba008f4ec33956b03ddbef97d1f918fbbfe7", kill_on_drop: false }`
[INFO] [stdout] b28584547027b3d115c18b37c98bba008f4ec33956b03ddbef97d1f918fbbfe7