Dec 02 04:32:04.559 INFO documenting pop3-rs-0.1.0 against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 02 04:32:04.559 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-2/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02 04:32:05.068 INFO [stdout] 076076207ec9d8140aba95cd097e136310231bafc14203e74ccc02d0363dc080
Dec 02 04:32:05.070 INFO running `"docker" "start" "-a" "076076207ec9d8140aba95cd097e136310231bafc14203e74ccc02d0363dc080"`
Dec 02 04:32:05.910 INFO [stderr] usermod: no changes
Dec 02 04:32:06.087 INFO [stderr]    Compiling syntex_pos v0.54.0
Dec 02 04:32:06.087 INFO [stderr]    Compiling syn v0.10.8
Dec 02 04:32:06.138 INFO [stderr]     Checking error-chain v0.8.1
Dec 02 04:32:07.756 INFO [stderr]    Compiling syntex_errors v0.54.0
Dec 02 04:32:10.700 INFO [stderr]    Compiling syntex_syntax v0.54.0
Dec 02 04:32:10.945 INFO [stderr]    Compiling serde_codegen_internals v0.11.3
Dec 02 04:32:40.188 INFO [stderr]    Compiling syntex v0.54.0
Dec 02 04:32:41.501 INFO [stderr]    Compiling serde_codegen v0.8.23
Dec 02 04:32:45.560 INFO [stderr]    Compiling pop3-rs v0.1.0 (/source)
Dec 02 04:32:48.280 INFO [stderr]  Documenting pop3-rs v0.1.0 (/source)
Dec 02 04:32:51.580 INFO [stderr] warning: `[u8]` cannot be resolved, ignoring it...
Dec 02 04:32:51.580 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.23/src/de/mod.rs:385:78
Dec 02 04:32:51.580 INFO [stderr]     |
Dec 02 04:32:51.580 INFO [stderr] 385 |     /// name.  This allows deserializers to choose between &str, usize, or &[u8] to properly
Dec 02 04:32:51.580 INFO [stderr]     |                                                                              ^^ cannot be resolved, ignoring
Dec 02 04:32:51.580 INFO [stderr]     |
Dec 02 04:32:51.580 INFO [stderr]     = note: #[warn(intra_doc_link_resolution_failure)] on by default
Dec 02 04:32:51.580 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Dec 02 04:32:51.580 INFO [stderr] 
Dec 02 04:32:51.584 INFO [stderr] warning: `[u8]` cannot be resolved, ignoring it...
Dec 02 04:32:51.584 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-crypto-0.2.36/src/mac.rs:36:5
Dec 02 04:32:51.584 INFO [stderr]    |
Dec 02 04:32:51.584 INFO [stderr] 36 | /     /**
Dec 02 04:32:51.584 INFO [stderr] 37 | |      * Obtain the result of a Mac computation as [u8]. This method should be used very carefully
Dec 02 04:32:51.584 INFO [stderr] 38 | |      * since incorrect use of the Mac code could result in permitting a timing attack which defeats
Dec 02 04:32:51.584 INFO [stderr] 39 | |      * the security provided by a Mac function.
Dec 02 04:32:51.584 INFO [stderr] 40 | |      */
Dec 02 04:32:51.584 INFO [stderr]    | |_______^
Dec 02 04:32:51.584 INFO [stderr]    |
Dec 02 04:32:51.584 INFO [stderr]    = note: the link appears in this line:
Dec 02 04:32:51.584 INFO [stderr]            
Dec 02 04:32:51.584 INFO [stderr]             Obtain the result of a Mac computation as [u8]. This method should be used very carefully
Dec 02 04:32:51.584 INFO [stderr]                                                        ^^
Dec 02 04:32:51.584 INFO [stderr]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Dec 02 04:32:51.584 INFO [stderr] 
Dec 02 04:32:51.729 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.80s
Dec 02 04:32:51.750 INFO [stderr] su: No module specific data is present
Dec 02 04:32:52.596 INFO running `"docker" "inspect" "076076207ec9d8140aba95cd097e136310231bafc14203e74ccc02d0363dc080"`
Dec 02 04:32:52.958 INFO running `"docker" "rm" "-f" "076076207ec9d8140aba95cd097e136310231bafc14203e74ccc02d0363dc080"`
Dec 02 04:32:53.336 INFO [stdout] 076076207ec9d8140aba95cd097e136310231bafc14203e74ccc02d0363dc080