[INFO] cloning repository https://github.com/ITSmith/ARCE
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ITSmith/ARCE" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FITSmith%2FARCE", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FITSmith%2FARCE'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 191ba59720c58f9b1b0d7fbcf47dc87174fc4d1f
[INFO] documenting ITSmith/ARCE 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%2FITSmith%2FARCE" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ITSmith/ARCE 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] removed /workspace/builds/worker-32/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ITSmith/ARCE
[INFO] finished tweaking git repo https://github.com/ITSmith/ARCE
[INFO] tweaked toml for git repo https://github.com/ITSmith/ARCE written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/ITSmith/ARCE 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 776b7066c28d27fedffa5303ea13b1d1b0885111d971a03c30350fb87f0b10d1
[INFO] running `Command { std: "docker" "start" "-a" "776b7066c28d27fedffa5303ea13b1d1b0885111d971a03c30350fb87f0b10d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "776b7066c28d27fedffa5303ea13b1d1b0885111d971a03c30350fb87f0b10d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776b7066c28d27fedffa5303ea13b1d1b0885111d971a03c30350fb87f0b10d1", kill_on_drop: false }`
[INFO] [stdout] 776b7066c28d27fedffa5303ea13b1d1b0885111d971a03c30350fb87f0b10d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 7661fc40d2215b34564d3cf71f79045e33a91ebddf3ce713e8c8399d979510b9
[INFO] running `Command { std: "docker" "start" "-a" "7661fc40d2215b34564d3cf71f79045e33a91ebddf3ce713e8c8399d979510b9", kill_on_drop: false }`
[INFO] [stderr]     Checking arce_lib v0.1.0 (/opt/rustwide/workdir/arce_lib)
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]  --> arce_lib/src/square.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting arce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "7661fc40d2215b34564d3cf71f79045e33a91ebddf3ce713e8c8399d979510b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7661fc40d2215b34564d3cf71f79045e33a91ebddf3ce713e8c8399d979510b9", kill_on_drop: false }`
[INFO] [stdout] 7661fc40d2215b34564d3cf71f79045e33a91ebddf3ce713e8c8399d979510b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 38a613a4f4b7c1d55eb3dd277ee01f02d518d0ddd7c1b1ca92eefee4a4acb8d6
[INFO] running `Command { std: "docker" "start" "-a" "38a613a4f4b7c1d55eb3dd277ee01f02d518d0ddd7c1b1ca92eefee4a4acb8d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: no library targets found in package `arce`
[INFO] running `Command { std: "docker" "inspect" "38a613a4f4b7c1d55eb3dd277ee01f02d518d0ddd7c1b1ca92eefee4a4acb8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a613a4f4b7c1d55eb3dd277ee01f02d518d0ddd7c1b1ca92eefee4a4acb8d6", kill_on_drop: false }`
[INFO] [stdout] 38a613a4f4b7c1d55eb3dd277ee01f02d518d0ddd7c1b1ca92eefee4a4acb8d6