[INFO] fetching crate mt_logger 3.0.2...
[INFO] documenting mt_logger-3.0.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mt_logger 3.0.2 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate mt_logger 3.0.2 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 mt_logger 3.0.2
[INFO] finished tweaking crates.io crate mt_logger 3.0.2
[INFO] tweaked toml for crates.io crate mt_logger 3.0.2 written to /workspace/builds/worker-34/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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] b857ad3f8f736a72df7154f1482f0a29c389bbcce95f244e9ef2278b873fe3e0
[INFO] running `Command { std: "docker" "start" "-a" "b857ad3f8f736a72df7154f1482f0a29c389bbcce95f244e9ef2278b873fe3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b857ad3f8f736a72df7154f1482f0a29c389bbcce95f244e9ef2278b873fe3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b857ad3f8f736a72df7154f1482f0a29c389bbcce95f244e9ef2278b873fe3e0", kill_on_drop: false }`
[INFO] [stdout] b857ad3f8f736a72df7154f1482f0a29c389bbcce95f244e9ef2278b873fe3e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] ea050b3dbe7bc6c277bc353daf8869a68cce2376a8bf96318a5e53ac3407a275
[INFO] running `Command { std: "docker" "start" "-a" "ea050b3dbe7bc6c277bc353daf8869a68cce2376a8bf96318a5e53ac3407a275", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]  Documenting mt_logger v3.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "ea050b3dbe7bc6c277bc353daf8869a68cce2376a8bf96318a5e53ac3407a275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea050b3dbe7bc6c277bc353daf8869a68cce2376a8bf96318a5e53ac3407a275", kill_on_drop: false }`
[INFO] [stdout] ea050b3dbe7bc6c277bc353daf8869a68cce2376a8bf96318a5e53ac3407a275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] bb7683e175c6d8fdad5f7a288c2aff1b1b6885a63b72fdc12d38b59f34fd93e5
[INFO] running `Command { std: "docker" "start" "-a" "bb7683e175c6d8fdad5f7a288c2aff1b1b6885a63b72fdc12d38b59f34fd93e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]  Documenting mt_logger v3.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "bb7683e175c6d8fdad5f7a288c2aff1b1b6885a63b72fdc12d38b59f34fd93e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb7683e175c6d8fdad5f7a288c2aff1b1b6885a63b72fdc12d38b59f34fd93e5", kill_on_drop: false }`
[INFO] [stdout] bb7683e175c6d8fdad5f7a288c2aff1b1b6885a63b72fdc12d38b59f34fd93e5