Dec 01 07:31:50.213 INFO documenting sebglazebrook/walk against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 07:31:50.213 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-6/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/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 +f86f76f89ea2b1ccbfb3741962ec2029d878a389-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 07:31:50.470 INFO [stdout] 237ee7ae6207dce72f3b8d1285f7d048c3ee8a2fa64bc3d10256a411ae7b143c
Dec 01 07:31:50.472 INFO running `"docker" "start" "-a" "237ee7ae6207dce72f3b8d1285f7d048c3ee8a2fa64bc3d10256a411ae7b143c"`
Dec 01 07:31:50.899 INFO [stderr] usermod: no changes
Dec 01 07:31:50.984 INFO [stderr]     Checking libc v0.2.15
Dec 01 07:31:50.988 INFO [stderr]     Checking yaml-rust v0.3.3
Dec 01 07:31:51.632 INFO [stderr]     Checking term_size v0.2.1
Dec 01 07:31:52.077 INFO [stderr]     Checking clap v2.11.2
Dec 01 07:31:55.860 INFO [stderr]  Documenting walk v0.1.1 (/source)
Dec 01 07:31:57.300 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.36s
Dec 01 07:31:57.300 INFO [stderr] su: No module specific data is present
Dec 01 07:31:57.736 INFO running `"docker" "inspect" "237ee7ae6207dce72f3b8d1285f7d048c3ee8a2fa64bc3d10256a411ae7b143c"`
Dec 01 07:31:57.847 INFO running `"docker" "rm" "-f" "237ee7ae6207dce72f3b8d1285f7d048c3ee8a2fa64bc3d10256a411ae7b143c"`
Dec 01 07:31:57.957 INFO [stdout] 237ee7ae6207dce72f3b8d1285f7d048c3ee8a2fa64bc3d10256a411ae7b143c