Dec 01 09:39:36.865 INFO documenting pbchekin/mutable-threads against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 01 09:39:36.865 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-0/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55318-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +147e60c5f89cfa2d3ffc247413956a37582c98e7-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 09:39:37.331 INFO [stdout] 6a02ea3260be740d53055cf760c64bde610dc974e14205b2ecc1398b9611c7d8
Dec 01 09:39:37.404 INFO running `"docker" "start" "-a" "6a02ea3260be740d53055cf760c64bde610dc974e14205b2ecc1398b9611c7d8"`
Dec 01 09:39:38.656 INFO [stderr] usermod: no changes
Dec 01 09:39:38.820 INFO [stderr]     Checking net2 v0.2.33
Dec 01 09:39:38.820 INFO [stderr]     Checking nix v0.5.1
Dec 01 09:39:40.246 INFO [stderr]     Checking miow v0.1.5
Dec 01 09:39:42.889 INFO [stderr]     Checking mio v0.5.1
Dec 01 09:39:44.128 INFO [stderr]     Checking linebased v0.3.1
Dec 01 09:39:44.820 INFO [stderr]  Documenting mute-test v0.1.0 (/source)
Dec 01 09:39:47.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.76s
Dec 01 09:39:47.452 INFO [stderr] su: No module specific data is present
Dec 01 09:39:48.320 INFO running `"docker" "inspect" "6a02ea3260be740d53055cf760c64bde610dc974e14205b2ecc1398b9611c7d8"`
Dec 01 09:39:48.598 INFO running `"docker" "rm" "-f" "6a02ea3260be740d53055cf760c64bde610dc974e14205b2ecc1398b9611c7d8"`
Dec 01 09:39:48.860 INFO [stdout] 6a02ea3260be740d53055cf760c64bde610dc974e14205b2ecc1398b9611c7d8