[INFO] fetching crate maildir 0.6.1...
[INFO] documenting maildir-0.6.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate maildir 0.6.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate maildir 0.6.1 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 maildir 0.6.1
[INFO] finished tweaking crates.io crate maildir 0.6.1
[INFO] tweaked toml for crates.io crate maildir 0.6.1 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate crates.io crate maildir 0.6.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 6d4bf1d3af5710829bf2704c2516de6f4f1de535d2ff8004e59e212c0accf07c
[INFO] running `Command { std: "docker" "start" "-a" "6d4bf1d3af5710829bf2704c2516de6f4f1de535d2ff8004e59e212c0accf07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d4bf1d3af5710829bf2704c2516de6f4f1de535d2ff8004e59e212c0accf07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4bf1d3af5710829bf2704c2516de6f4f1de535d2ff8004e59e212c0accf07c", kill_on_drop: false }`
[INFO] [stdout] 6d4bf1d3af5710829bf2704c2516de6f4f1de535d2ff8004e59e212c0accf07c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2144999447f7a578ded5be1ce3d86c81de7b40133af8efd30c234e98560460aa
[INFO] running `Command { std: "docker" "start" "-a" "2144999447f7a578ded5be1ce3d86c81de7b40133af8efd30c234e98560460aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking mailparse v0.13.1
[INFO] [stderr]  Documenting maildir v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "2144999447f7a578ded5be1ce3d86c81de7b40133af8efd30c234e98560460aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2144999447f7a578ded5be1ce3d86c81de7b40133af8efd30c234e98560460aa", kill_on_drop: false }`
[INFO] [stdout] 2144999447f7a578ded5be1ce3d86c81de7b40133af8efd30c234e98560460aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 9015fe7d58760ed4b4e3247c7f9d863768513fe4d7f2d9669e02ec02d14f2738
[INFO] running `Command { std: "docker" "start" "-a" "9015fe7d58760ed4b4e3247c7f9d863768513fe4d7f2d9669e02ec02d14f2738", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking mailparse v0.13.1
[INFO] [stderr]  Documenting maildir v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "9015fe7d58760ed4b4e3247c7f9d863768513fe4d7f2d9669e02ec02d14f2738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9015fe7d58760ed4b4e3247c7f9d863768513fe4d7f2d9669e02ec02d14f2738", kill_on_drop: false }`
[INFO] [stdout] 9015fe7d58760ed4b4e3247c7f9d863768513fe4d7f2d9669e02ec02d14f2738