Dec 01 18:34:09.365 INFO documenting brson/coingrab against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 18:34:09.365 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 18:34:09.550 INFO [stdout] c9dcc5b8a53180064d35e96bb8e2730ba55495f6e6b1824841cc99afd22cac94
Dec 01 18:34:09.554 INFO running `"docker" "start" "-a" "c9dcc5b8a53180064d35e96bb8e2730ba55495f6e6b1824841cc99afd22cac94"`
Dec 01 18:34:10.027 INFO [stderr] usermod: no changes
Dec 01 18:34:10.369 INFO [stderr]     Checking fs2 v0.4.1
Dec 01 18:34:10.371 INFO [stderr]     Checking tempdir v0.3.5
Dec 01 18:34:10.373 INFO [stderr]    Compiling string_cache_codegen v0.3.1
Dec 01 18:34:10.378 INFO [stderr]    Compiling html5ever v0.14.1
Dec 01 18:34:10.378 INFO [stderr]    Compiling serde_derive v1.0.8
Dec 01 18:34:10.378 INFO [stderr]     Checking serde_urlencoded v0.5.1
Dec 01 18:34:10.378 INFO [stderr]     Checking chrono v0.3.1
Dec 01 18:34:11.116 INFO [stderr]     Checking fancy_flocks v0.1.0 (/source/fancy_flocks)
Dec 01 18:34:11.642 INFO [stderr]     Checking reqwest v0.6.2
Dec 01 18:34:11.721 INFO [stderr] warning: variable does not need to be mutable
Dec 01 18:34:11.721 INFO [stderr]    --> fancy_flocks/src/dirty_flock.rs:111:13
Dec 01 18:34:11.721 INFO [stderr]     |
Dec 01 18:34:11.721 INFO [stderr] 111 |         let mut file = file.deref_mut().as_mut().expect("locked file");
Dec 01 18:34:11.721 INFO [stderr]     |             ----^^^^
Dec 01 18:34:11.721 INFO [stderr]     |             |
Dec 01 18:34:11.721 INFO [stderr]     |             help: remove this `mut`
Dec 01 18:34:11.721 INFO [stderr]     |
Dec 01 18:34:11.721 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 01 18:34:11.721 INFO [stderr] 
Dec 01 18:34:11.724 INFO [stderr] warning: variable does not need to be mutable
Dec 01 18:34:11.724 INFO [stderr]    --> fancy_flocks/src/dirty_flock.rs:123:17
Dec 01 18:34:11.724 INFO [stderr]     |
Dec 01 18:34:11.724 INFO [stderr] 123 |             let mut file = file_.deref_mut().as_mut().expect("locked file");
Dec 01 18:34:11.724 INFO [stderr]     |                 ----^^^^
Dec 01 18:34:11.724 INFO [stderr]     |                 |
Dec 01 18:34:11.724 INFO [stderr]     |                 help: remove this `mut`
Dec 01 18:34:11.724 INFO [stderr] 
Dec 01 18:34:12.908 INFO [stderr]    Compiling string_cache v0.4.0
Dec 01 18:34:12.908 INFO [stderr]    Compiling html5ever-atoms v0.2.2
Dec 01 18:34:29.480 INFO [stderr]     Checking select v0.4.0
Dec 01 18:34:30.793 INFO [stderr]     Checking coingrab v0.1.0 (/source)
Dec 01 18:34:30.793 INFO [stderr]  Documenting coingrab v0.1.0 (/source)
Dec 01 18:34:40.483 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.42s
Dec 01 18:34:40.504 INFO [stderr] su: No module specific data is present
Dec 01 18:34:41.294 INFO running `"docker" "inspect" "c9dcc5b8a53180064d35e96bb8e2730ba55495f6e6b1824841cc99afd22cac94"`
Dec 01 18:34:41.648 INFO running `"docker" "rm" "-f" "c9dcc5b8a53180064d35e96bb8e2730ba55495f6e6b1824841cc99afd22cac94"`
Dec 01 18:34:41.880 INFO [stdout] c9dcc5b8a53180064d35e96bb8e2730ba55495f6e6b1824841cc99afd22cac94