[INFO] fetching crate piet-test 0.0.12...
[INFO] documenting piet-test-0.0.12 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate piet-test 0.0.12 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate piet-test 0.0.12 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 crates.io crate piet-test 0.0.12
[INFO] finished tweaking crates.io crate piet-test 0.0.12
[INFO] tweaked toml for crates.io crate piet-test 0.0.12 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 1061727d645f053b0afd1a724ef7f54bd967ea7529c300a0bdbfb846df1c62d2
[INFO] running `Command { std: "docker" "start" "-a" "1061727d645f053b0afd1a724ef7f54bd967ea7529c300a0bdbfb846df1c62d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1061727d645f053b0afd1a724ef7f54bd967ea7529c300a0bdbfb846df1c62d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1061727d645f053b0afd1a724ef7f54bd967ea7529c300a0bdbfb846df1c62d2", kill_on_drop: false }`
[INFO] [stdout] 1061727d645f053b0afd1a724ef7f54bd967ea7529c300a0bdbfb846df1c62d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 755acfdc610b5d2e270ae88b7a3e6a69daeac6021c9eb74732fc4d6806201843
[INFO] running `Command { std: "docker" "start" "-a" "755acfdc610b5d2e270ae88b7a3e6a69daeac6021c9eb74732fc4d6806201843", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking kurbo v0.5.11
[INFO] [stderr]     Checking piet v0.0.12
[INFO] [stderr]  Documenting piet-test v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "755acfdc610b5d2e270ae88b7a3e6a69daeac6021c9eb74732fc4d6806201843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755acfdc610b5d2e270ae88b7a3e6a69daeac6021c9eb74732fc4d6806201843", kill_on_drop: false }`
[INFO] [stdout] 755acfdc610b5d2e270ae88b7a3e6a69daeac6021c9eb74732fc4d6806201843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] e2f43abf79c710ffe0cea4c92d8f6e42a2e7d918e6f9d6408edcf6812492a2ad
[INFO] running `Command { std: "docker" "start" "-a" "e2f43abf79c710ffe0cea4c92d8f6e42a2e7d918e6f9d6408edcf6812492a2ad", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking kurbo v0.5.11
[INFO] [stderr]     Checking piet v0.0.12
[INFO] [stderr]  Documenting piet-test v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "e2f43abf79c710ffe0cea4c92d8f6e42a2e7d918e6f9d6408edcf6812492a2ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f43abf79c710ffe0cea4c92d8f6e42a2e7d918e6f9d6408edcf6812492a2ad", kill_on_drop: false }`
[INFO] [stdout] e2f43abf79c710ffe0cea4c92d8f6e42a2e7d918e6f9d6408edcf6812492a2ad