[INFO] fetching crate tbn 0.4.4...
[INFO] documenting tbn-0.4.4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tbn 0.4.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tbn 0.4.4 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tbn 0.4.4
[INFO] finished tweaking crates.io crate tbn 0.4.4
[INFO] tweaked toml for crates.io crate tbn 0.4.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tbn 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39457d016186ed3300f4b787c7a2753f40670a6244368c3865894e48830fccd8
[INFO] running `Command { std: "docker" "start" "-a" "39457d016186ed3300f4b787c7a2753f40670a6244368c3865894e48830fccd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39457d016186ed3300f4b787c7a2753f40670a6244368c3865894e48830fccd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39457d016186ed3300f4b787c7a2753f40670a6244368c3865894e48830fccd8", kill_on_drop: false }`
[INFO] [stdout] 39457d016186ed3300f4b787c7a2753f40670a6244368c3865894e48830fccd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 977a7c5d918707e892f857c72295ca99d42b511413595818e22515e8835f4160
[INFO] running `Command { std: "docker" "start" "-a" "977a7c5d918707e892f857c72295ca99d42b511413595818e22515e8835f4160", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]  Documenting tbn v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "977a7c5d918707e892f857c72295ca99d42b511413595818e22515e8835f4160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977a7c5d918707e892f857c72295ca99d42b511413595818e22515e8835f4160", kill_on_drop: false }`
[INFO] [stdout] 977a7c5d918707e892f857c72295ca99d42b511413595818e22515e8835f4160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 76ead255a7075a4675dc654e5af7eac968ec4cbc88f9e708ff0c0ce0ed03ce90
[INFO] running `Command { std: "docker" "start" "-a" "76ead255a7075a4675dc654e5af7eac968ec4cbc88f9e708ff0c0ce0ed03ce90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]  Documenting tbn v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "76ead255a7075a4675dc654e5af7eac968ec4cbc88f9e708ff0c0ce0ed03ce90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ead255a7075a4675dc654e5af7eac968ec4cbc88f9e708ff0c0ce0ed03ce90", kill_on_drop: false }`
[INFO] [stdout] 76ead255a7075a4675dc654e5af7eac968ec4cbc88f9e708ff0c0ce0ed03ce90