Dec 01 20:03:36.919 INFO documenting aisamanra/xargo against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 20:03:36.919 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-7/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 20:03:37.168 INFO [stdout] 8978909556a7144f1953de25a30c9d0b10503e4bc8cb493d1bf76a19d7469835
Dec 01 20:03:37.172 INFO running `"docker" "start" "-a" "8978909556a7144f1953de25a30c9d0b10503e4bc8cb493d1bf76a19d7469835"`
Dec 01 20:03:37.631 INFO [stderr] usermod: no changes
Dec 01 20:03:37.776 INFO [stderr]    Compiling xargo v0.3.8 (/source)
Dec 01 20:03:37.776 INFO [stderr]    Compiling backtrace-sys v0.1.5
Dec 01 20:03:37.776 INFO [stderr]     Checking fs2 v0.4.1
Dec 01 20:03:37.776 INFO [stderr]     Checking tempdir v0.3.5
Dec 01 20:03:39.217 INFO [stderr]     Checking backtrace v0.3.0
Dec 01 20:03:39.624 INFO [stderr]     Checking error-chain v0.7.2
Dec 01 20:03:40.188 INFO [stderr]  Documenting xargo v0.3.8 (/source)
Dec 01 20:03:42.405 INFO [stderr] error: `[u8]` cannot be resolved, ignoring it...
Dec 01 20:03:42.405 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.21/src/de/mod.rs:385:78
Dec 01 20:03:42.406 INFO [stderr]     |
Dec 01 20:03:42.406 INFO [stderr] 385 |     /// name.  This allows deserializers to choose between &str, usize, or &[u8] to properly
Dec 01 20:03:42.406 INFO [stderr]     |                                                                              ^^ cannot be resolved, ignoring
Dec 01 20:03:42.406 INFO [stderr]     |
Dec 01 20:03:42.406 INFO [stderr] note: lint level defined here
Dec 01 20:03:42.406 INFO [stderr]    --> src/main.rs:1:9
Dec 01 20:03:42.406 INFO [stderr]     |
Dec 01 20:03:42.406 INFO [stderr] 1   | #![deny(warnings)]
Dec 01 20:03:42.406 INFO [stderr]     |         ^^^^^^^^
Dec 01 20:03:42.406 INFO [stderr]     = note: #[deny(intra_doc_link_resolution_failure)] implied by #[deny(warnings)]
Dec 01 20:03:42.406 INFO [stderr]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
Dec 01 20:03:42.406 INFO [stderr] 
Dec 01 20:03:42.464 INFO [stderr] error: Could not document `xargo`.
Dec 01 20:03:42.464 INFO [stderr] 
Dec 01 20:03:42.464 INFO [stderr] Caused by:
Dec 01 20:03:42.464 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-15043da61b28fc27.rmeta --extern fs2=/target/debug/deps/libfs2-5f8476edf02fee43.rmeta --extern libc=/target/debug/deps/liblibc-3a95b458ef5699b4.rmeta --extern rustc_version=/target/debug/deps/librustc_version-a2de22d0158f2a2d.rmeta --extern serde_json=/target/debug/deps/libserde_json-d1658c4514baf76f.rmeta --extern tempdir=/target/debug/deps/libtempdir-13b797675f07b806.rmeta --extern toml=/target/debug/deps/libtoml-974577bb72451ca8.rmeta --extern walkdir=/target/debug/deps/libwalkdir-3e155452257bd8c5.rmeta --cap-lints=forbid` (exit code: 1)
Dec 01 20:03:42.464 INFO [stderr] su: No module specific data is present
Dec 01 20:03:42.703 INFO running `"docker" "inspect" "8978909556a7144f1953de25a30c9d0b10503e4bc8cb493d1bf76a19d7469835"`
Dec 01 20:03:42.852 INFO running `"docker" "rm" "-f" "8978909556a7144f1953de25a30c9d0b10503e4bc8cb493d1bf76a19d7469835"`
Dec 01 20:03:42.988 INFO [stdout] 8978909556a7144f1953de25a30c9d0b10503e4bc8cb493d1bf76a19d7469835