Nov 27 23:55:17.437 INFO documenting cowang4/rusty_tree against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 27 23:55:17.439 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-0/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55318/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/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 +f5a0bd723553ea4b7556bd7087b9f0919cafb483-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"`
Nov 27 23:55:17.855 INFO [stdout] 94cbc28b164891a35623c776bdc2dfa28f74e653206b5b1cc8193981769f9fc5
Nov 27 23:55:17.860 INFO running `"docker" "start" "-a" "94cbc28b164891a35623c776bdc2dfa28f74e653206b5b1cc8193981769f9fc5"`
Nov 27 23:55:19.185 INFO [stderr] usermod: no changes
Nov 27 23:55:19.343 INFO [stderr]    Compiling serde v1.0.57
Nov 27 23:55:19.355 INFO [stderr]    Compiling serde_derive v1.0.57
Nov 27 23:55:39.011 INFO [stderr]     Checking docopt v1.0.0
Nov 27 23:55:40.907 INFO [stderr]  Documenting rusty_tree v0.1.0 (/source)
Nov 27 23:55:44.147 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.93s
Nov 27 23:55:44.155 INFO [stderr] su: No module specific data is present
Nov 27 23:55:45.388 INFO running `"docker" "inspect" "94cbc28b164891a35623c776bdc2dfa28f74e653206b5b1cc8193981769f9fc5"`
Nov 27 23:55:45.613 INFO running `"docker" "rm" "-f" "94cbc28b164891a35623c776bdc2dfa28f74e653206b5b1cc8193981769f9fc5"`
Nov 27 23:55:45.925 INFO [stdout] 94cbc28b164891a35623c776bdc2dfa28f74e653206b5b1cc8193981769f9fc5