[INFO] fetching crate sprog 0.1.0...
[INFO] documenting sprog-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate sprog 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate sprog 0.1.0 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 sprog 0.1.0
[INFO] finished tweaking crates.io crate sprog 0.1.0
[INFO] tweaked toml for crates.io crate sprog 0.1.0 written to /workspace/builds/worker-21/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] 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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] f5ef7ccb754620a7bc81722b3e51b7c461e720c513e72d19da4740c76535da81
[INFO] running `Command { std: "docker" "start" "-a" "f5ef7ccb754620a7bc81722b3e51b7c461e720c513e72d19da4740c76535da81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5ef7ccb754620a7bc81722b3e51b7c461e720c513e72d19da4740c76535da81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ef7ccb754620a7bc81722b3e51b7c461e720c513e72d19da4740c76535da81", kill_on_drop: false }`
[INFO] [stdout] f5ef7ccb754620a7bc81722b3e51b7c461e720c513e72d19da4740c76535da81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] b3821f4f32b69ffe2233d2ccb98cfd2b9091caf90f138738fa6f3ca3a479bcb7
[INFO] running `Command { std: "docker" "start" "-a" "b3821f4f32b69ffe2233d2ccb98cfd2b9091caf90f138738fa6f3ca3a479bcb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]  Documenting sprog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.99s
[INFO] running `Command { std: "docker" "inspect" "b3821f4f32b69ffe2233d2ccb98cfd2b9091caf90f138738fa6f3ca3a479bcb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3821f4f32b69ffe2233d2ccb98cfd2b9091caf90f138738fa6f3ca3a479bcb7", kill_on_drop: false }`
[INFO] [stdout] b3821f4f32b69ffe2233d2ccb98cfd2b9091caf90f138738fa6f3ca3a479bcb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 2650d2167ea22df81f241157a9d1f62a4f04f5b959624ac8841618d060291658
[INFO] running `Command { std: "docker" "start" "-a" "2650d2167ea22df81f241157a9d1f62a4f04f5b959624ac8841618d060291658", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]  Documenting sprog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "2650d2167ea22df81f241157a9d1f62a4f04f5b959624ac8841618d060291658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2650d2167ea22df81f241157a9d1f62a4f04f5b959624ac8841618d060291658", kill_on_drop: false }`
[INFO] [stdout] 2650d2167ea22df81f241157a9d1f62a4f04f5b959624ac8841618d060291658