[INFO] fetching crate mrtreader 0.1.0...
[INFO] documenting mrtreader-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mrtreader 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate mrtreader 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 mrtreader 0.1.0
[INFO] finished tweaking crates.io crate mrtreader 0.1.0
[INFO] tweaked toml for crates.io crate mrtreader 0.1.0 written to /workspace/builds/worker-15/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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 943b1569cee95c11ac90d9e9c1db3d38d37d2348b644d2195b85237dfab8bb5e
[INFO] running `Command { std: "docker" "start" "-a" "943b1569cee95c11ac90d9e9c1db3d38d37d2348b644d2195b85237dfab8bb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "943b1569cee95c11ac90d9e9c1db3d38d37d2348b644d2195b85237dfab8bb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943b1569cee95c11ac90d9e9c1db3d38d37d2348b644d2195b85237dfab8bb5e", kill_on_drop: false }`
[INFO] [stdout] 943b1569cee95c11ac90d9e9c1db3d38d37d2348b644d2195b85237dfab8bb5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] ef99a63bf6f6f0b9d4cfe7492446dfcb6077d4207b23a0871f470144d0131a77
[INFO] running `Command { std: "docker" "start" "-a" "ef99a63bf6f6f0b9d4cfe7492446dfcb6077d4207b23a0871f470144d0131a77", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]  Documenting mrtreader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "ef99a63bf6f6f0b9d4cfe7492446dfcb6077d4207b23a0871f470144d0131a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef99a63bf6f6f0b9d4cfe7492446dfcb6077d4207b23a0871f470144d0131a77", kill_on_drop: false }`
[INFO] [stdout] ef99a63bf6f6f0b9d4cfe7492446dfcb6077d4207b23a0871f470144d0131a77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 7a403c4052c85b9d18f763be8dd04be9f1bd50349945f9f2a0b4c39a6ae0e930
[INFO] running `Command { std: "docker" "start" "-a" "7a403c4052c85b9d18f763be8dd04be9f1bd50349945f9f2a0b4c39a6ae0e930", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]  Documenting mrtreader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "7a403c4052c85b9d18f763be8dd04be9f1bd50349945f9f2a0b4c39a6ae0e930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a403c4052c85b9d18f763be8dd04be9f1bd50349945f9f2a0b4c39a6ae0e930", kill_on_drop: false }`
[INFO] [stdout] 7a403c4052c85b9d18f763be8dd04be9f1bd50349945f9f2a0b4c39a6ae0e930