Dec 02 00:50:39.702 INFO documenting xargo-0.3.12 against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 02 00:50:39.702 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 00:50:39.962 INFO [stdout] 1e7c0cc93c9f5413cdb02395664d8a3dbd8eaebb0e3c02ed607852a106adaa46
Dec 02 00:50:39.966 INFO running `"docker" "start" "-a" "1e7c0cc93c9f5413cdb02395664d8a3dbd8eaebb0e3c02ed607852a106adaa46"`
Dec 02 00:50:40.484 INFO [stderr] usermod: no changes
Dec 02 00:50:40.759 INFO [stderr]     Checking semver v0.1.20
Dec 02 00:50:40.764 INFO [stderr]    Compiling xargo v0.3.12 (/source)
Dec 02 00:50:40.765 INFO [stderr]     Checking serde_json v0.8.6
Dec 02 00:50:40.767 INFO [stderr]     Checking error-chain v0.7.2
Dec 02 00:50:42.025 INFO [stderr]     Checking rustc_version v0.1.7
Dec 02 00:50:42.671 INFO [stderr]  Documenting xargo v0.3.12 (/source)
Dec 02 00:50:45.420 INFO [stderr] error: `[u8]` cannot be resolved, ignoring it...
Dec 02 00:50:45.420 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.23/src/de/mod.rs:385:78
Dec 02 00:50:45.420 INFO [stderr]     |
Dec 02 00:50:45.420 INFO [stderr] 385 |     /// name.  This allows deserializers to choose between &str, usize, or &[u8] to properly
Dec 02 00:50:45.420 INFO [stderr]     |                                                                              ^^ cannot be resolved, ignoring
Dec 02 00:50:45.420 INFO [stderr]     |
Dec 02 00:50:45.420 INFO [stderr] note: lint level defined here
Dec 02 00:50:45.420 INFO [stderr]    --> src/main.rs:1:9
Dec 02 00:50:45.420 INFO [stderr]     |
Dec 02 00:50:45.420 INFO [stderr] 1   | #![deny(warnings)]
Dec 02 00:50:45.420 INFO [stderr]     |         ^^^^^^^^
Dec 02 00:50:45.420 INFO [stderr]     = note: #[deny(intra_doc_link_resolution_failure)] implied by #[deny(warnings)]
Dec 02 00:50:45.420 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Dec 02 00:50:45.420 INFO [stderr] 
Dec 02 00:50:45.510 INFO [stderr] error: Could not document `xargo`.
Dec 02 00:50:45.510 INFO [stderr] 
Dec 02 00:50:45.511 INFO [stderr] Caused by:
Dec 02 00:50:45.511 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-2c1fc1b056e622d8.rmeta --extern fs2=/target/debug/deps/libfs2-8352df123c597707.rmeta --extern libc=/target/debug/deps/liblibc-570e5809d01e6676.rmeta --extern rustc_version=/target/debug/deps/librustc_version-e9382d9bc73f1190.rmeta --extern serde_json=/target/debug/deps/libserde_json-29f43c1804cbe622.rmeta --extern tempdir=/target/debug/deps/libtempdir-40d89df636dc6fca.rmeta --extern toml=/target/debug/deps/libtoml-8fd7403b1d2213fb.rmeta --extern walkdir=/target/debug/deps/libwalkdir-f78459861e948bc8.rmeta --cap-lints=forbid` (exit code: 1)
Dec 02 00:50:45.513 INFO [stderr] su: No module specific data is present
Dec 02 00:50:46.533 INFO running `"docker" "inspect" "1e7c0cc93c9f5413cdb02395664d8a3dbd8eaebb0e3c02ed607852a106adaa46"`
Dec 02 00:50:46.914 INFO running `"docker" "rm" "-f" "1e7c0cc93c9f5413cdb02395664d8a3dbd8eaebb0e3c02ed607852a106adaa46"`
Dec 02 00:50:47.232 INFO [stdout] 1e7c0cc93c9f5413cdb02395664d8a3dbd8eaebb0e3c02ed607852a106adaa46