Nov 27 20:17:02.055 INFO documenting japaric/xargo against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 27 20:17:02.088 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-0/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55318/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/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 +6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb-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 20:17:02.359 INFO [stdout] 233ac73b7a14d767a16a6dc7219fb2d36957c810b01df7a56c8b66ae109d6ea1
Nov 27 20:17:02.361 INFO running `"docker" "start" "-a" "233ac73b7a14d767a16a6dc7219fb2d36957c810b01df7a56c8b66ae109d6ea1"`
Nov 27 20:17:03.235 INFO [stderr] usermod: no changes
Nov 27 20:17:03.427 INFO [stderr]     Checking serde v0.8.21
Nov 27 20:17:03.427 INFO [stderr]    Compiling xargo v0.3.12 (/source)
Nov 27 20:17:03.427 INFO [stderr]     Checking semver v0.1.20
Nov 27 20:17:03.428 INFO [stderr]     Checking walkdir v1.0.3
Nov 27 20:17:03.443 INFO [stderr]     Checking fs2 v0.4.1
Nov 27 20:17:03.444 INFO [stderr]     Checking toml v0.2.1
Nov 27 20:17:03.444 INFO [stderr]     Checking tempdir v0.3.5
Nov 27 20:17:05.207 INFO [stderr]     Checking rustc_version v0.1.7
Nov 27 20:17:09.333 INFO [stderr]     Checking serde_json v0.8.4
Nov 27 20:17:10.676 INFO [stderr]  Documenting xargo v0.3.12 (/source)
Nov 27 20:17:12.953 INFO [stderr] error: `[u8]` cannot be resolved, ignoring it...
Nov 27 20:17:12.953 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.21/src/de/mod.rs:385:78
Nov 27 20:17:12.953 INFO [stderr]     |
Nov 27 20:17:12.953 INFO [stderr] 385 |     /// name.  This allows deserializers to choose between &str, usize, or &[u8] to properly
Nov 27 20:17:12.953 INFO [stderr]     |                                                                              ^^ cannot be resolved, ignoring
Nov 27 20:17:12.953 INFO [stderr]     |
Nov 27 20:17:12.953 INFO [stderr] note: lint level defined here
Nov 27 20:17:12.953 INFO [stderr]    --> src/main.rs:1:9
Nov 27 20:17:12.953 INFO [stderr]     |
Nov 27 20:17:12.953 INFO [stderr] 1   | #![deny(warnings)]
Nov 27 20:17:12.953 INFO [stderr]     |         ^^^^^^^^
Nov 27 20:17:12.953 INFO [stderr]     = note: #[deny(intra_doc_link_resolution_failure)] implied by #[deny(warnings)]
Nov 27 20:17:12.953 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Nov 27 20:17:12.953 INFO [stderr] 
Nov 27 20:17:13.064 INFO [stderr] error: Could not document `xargo`.
Nov 27 20:17:13.065 INFO [stderr] 
Nov 27 20:17:13.065 INFO [stderr] Caused by:
Nov 27 20:17:13.066 INFO [stderr]   process didn't exit successfully: `rustdoc --crate-name xargo src/main.rs --color never -o /target/doc --document-private-items -L dependency=/target/debug/deps --extern error_chain=/target/debug/deps/liberror_chain-1a322b884b04f833.rmeta --extern fs2=/target/debug/deps/libfs2-1b26a631b7d177fe.rmeta --extern libc=/target/debug/deps/liblibc-6146b7b0b3800c68.rmeta --extern rustc_version=/target/debug/deps/librustc_version-5063eb3d96b3a286.rmeta --extern serde_json=/target/debug/deps/libserde_json-4ea48b6118493daa.rmeta --extern tempdir=/target/debug/deps/libtempdir-0ba2712e7b62131f.rmeta --extern toml=/target/debug/deps/libtoml-eb2f0521e507ee8a.rmeta --extern walkdir=/target/debug/deps/libwalkdir-7efbad6cf4b1eede.rmeta --cap-lints=forbid` (exit code: 1)
Nov 27 20:17:13.071 INFO [stderr] su: No module specific data is present
Nov 27 20:17:13.898 INFO running `"docker" "inspect" "233ac73b7a14d767a16a6dc7219fb2d36957c810b01df7a56c8b66ae109d6ea1"`
Nov 27 20:17:14.253 INFO running `"docker" "rm" "-f" "233ac73b7a14d767a16a6dc7219fb2d36957c810b01df7a56c8b66ae109d6ea1"`
Nov 27 20:17:14.611 INFO [stdout] 233ac73b7a14d767a16a6dc7219fb2d36957c810b01df7a56c8b66ae109d6ea1