Nov 28 10:12:11.612 INFO documenting rocket_cors-0.4.0-rc.1 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 10:12:11.614 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-1/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 28 10:12:12.136 INFO [stdout] 90651b2b4d68d2f22da7f9c7acebc51a377f99116f37d9ab0552d1253462acd6
Nov 28 10:12:12.139 INFO running `"docker" "start" "-a" "90651b2b4d68d2f22da7f9c7acebc51a377f99116f37d9ab0552d1253462acd6"`
Nov 28 10:12:13.787 INFO [stderr] usermod: no changes
Nov 28 10:12:14.107 INFO [stderr]    Compiling serde_derive v1.0.80
Nov 28 10:12:33.927 INFO [stderr]  Documenting rocket_cors v0.4.0-rc.1 (/source)
Nov 28 10:12:36.499 INFO [stderr] error[E0254]: the name `log` is defined multiple times
Nov 28 10:12:36.499 INFO [stderr]    --> src/lib.rs:591:24
Nov 28 10:12:36.500 INFO [stderr]     |
Nov 28 10:12:36.500 INFO [stderr] 553 | extern crate log;
Nov 28 10:12:36.501 INFO [stderr]     | ----------------- previous import of the extern crate `log` here
Nov 28 10:12:36.501 INFO [stderr] ...
Nov 28 10:12:36.501 INFO [stderr] 591 | use log::{error, info, log};
Nov 28 10:12:36.501 INFO [stderr]     |                        ^^^ `log` reimported here
Nov 28 10:12:36.507 INFO [stderr]     |
Nov 28 10:12:36.507 INFO [stderr]     = note: `log` must be defined only once in the type namespace of this module
Nov 28 10:12:36.508 INFO [stderr] help: you can use `as` to change the binding name of the import
Nov 28 10:12:36.508 INFO [stderr]     |
Nov 28 10:12:36.508 INFO [stderr] 591 | use log::{error, info, log as other_log};
Nov 28 10:12:36.508 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^
Nov 28 10:12:36.509 INFO [stderr] 
Nov 28 10:12:36.877 INFO [stderr] error: Compilation failed, aborting rustdoc
Nov 28 10:12:36.877 INFO [stderr] 
Nov 28 10:12:36.930 INFO [stderr] error: Could not document `rocket_cors`.
Nov 28 10:12:36.931 INFO [stderr] 
Nov 28 10:12:36.931 INFO [stderr] Caused by:
Nov 28 10:12:36.933 INFO [stderr]   process didn't exit successfully: `rustdoc --crate-name rocket_cors src/lib.rs --color never -o /target/doc --cfg 'feature="default"' --cfg 'feature="serde"' --cfg 'feature="serde_derive"' --cfg 'feature="serialization"' --cfg 'feature="unicase_serde"' --cfg 'feature="url_serde"' --document-private-items -L dependency=/target/debug/deps --extern log=/target/debug/deps/liblog-02a7cfa67efbb682.rmeta --extern rocket=/target/debug/deps/librocket-81c545ed1ea12f51.rmeta --extern serde=/target/debug/deps/libserde-839e42c5a453b757.rmeta --extern serde_derive=/target/debug/deps/libserde_derive-a472bb9843104fff.so --extern unicase=/target/debug/deps/libunicase-5dd41f80f3f0476f.rmeta --extern unicase_serde=/target/debug/deps/libunicase_serde-d082b7947d13ca4c.rmeta --extern url=/target/debug/deps/liburl-07c579282089e73a.rmeta --extern url_serde=/target/debug/deps/liburl_serde-9ac50f4f268bb6ca.rmeta --cap-lints=forbid` (exit code: 1)
Nov 28 10:12:36.933 INFO [stderr] su: No module specific data is present
Nov 28 10:12:37.995 INFO running `"docker" "inspect" "90651b2b4d68d2f22da7f9c7acebc51a377f99116f37d9ab0552d1253462acd6"`
Nov 28 10:12:38.343 INFO running `"docker" "rm" "-f" "90651b2b4d68d2f22da7f9c7acebc51a377f99116f37d9ab0552d1253462acd6"`
Nov 28 10:12:38.635 INFO [stdout] 90651b2b4d68d2f22da7f9c7acebc51a377f99116f37d9ab0552d1253462acd6