Dec 12 17:08:22.605 INFO checking cargo-external-doc-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:08:22.605 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 17:08:23.036 INFO [stdout] 561c9a4166c344bbe3a055d2baa250b772844a6cbac4553f603936257571fb42
Dec 12 17:08:23.044 INFO running `"docker" "start" "-a" "561c9a4166c344bbe3a055d2baa250b772844a6cbac4553f603936257571fb42"`
Dec 12 17:08:24.919 INFO [stderr] usermod: no changes
Dec 12 17:08:25.116 INFO [stderr]     Checking handlebars v0.22.0
Dec 12 17:08:27.745 INFO [stderr]     Checking cargo-external-doc v0.1.0 (/source)
Dec 12 17:08:30.796 INFO [stderr] warning: unused variable: `result`
Dec 12 17:08:30.796 INFO [stderr]   --> src/main.rs:51:9
Dec 12 17:08:30.796 INFO [stderr]    |
Dec 12 17:08:30.796 INFO [stderr] 51 |     let result: String = String::from_utf8(stdout).expect("cargo command failed");
Dec 12 17:08:30.796 INFO [stderr]    |         ^^^^^^ help: consider using `_result` instead
Dec 12 17:08:30.796 INFO [stderr]    |
Dec 12 17:08:30.796 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 17:08:30.796 INFO [stderr] 
Dec 12 17:08:30.796 INFO [stderr] warning: unused variable: `test_result`
Dec 12 17:08:30.796 INFO [stderr]   --> src/main.rs:78:17
Dec 12 17:08:30.796 INFO [stderr]    |
Dec 12 17:08:30.796 INFO [stderr] 78 |             let test_result: String = String::from_utf8(test_stdout)
Dec 12 17:08:30.796 INFO [stderr]    |                 ^^^^^^^^^^^ help: consider using `_test_result` instead
Dec 12 17:08:30.796 INFO [stderr] 
Dec 12 17:08:30.796 INFO [stderr] warning: unused variable: `doc_result`
Dec 12 17:08:30.796 INFO [stderr]    --> src/main.rs:103:17
Dec 12 17:08:30.796 INFO [stderr]     |
Dec 12 17:08:30.796 INFO [stderr] 103 |             let doc_result: String = String::from_utf8(doc_stdout).expect("rustdoc command failed");
Dec 12 17:08:30.796 INFO [stderr]     |                 ^^^^^^^^^^ help: consider using `_doc_result` instead
Dec 12 17:08:30.796 INFO [stderr] 
Dec 12 17:08:31.048 INFO [stderr] warning: unused variable: `result`
Dec 12 17:08:31.048 INFO [stderr]   --> src/main.rs:51:9
Dec 12 17:08:31.048 INFO [stderr]    |
Dec 12 17:08:31.048 INFO [stderr] 51 |     let result: String = String::from_utf8(stdout).expect("cargo command failed");
Dec 12 17:08:31.048 INFO [stderr]    |         ^^^^^^ help: consider using `_result` instead
Dec 12 17:08:31.048 INFO [stderr]    |
Dec 12 17:08:31.048 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 17:08:31.048 INFO [stderr] 
Dec 12 17:08:31.048 INFO [stderr] warning: unused variable: `test_result`
Dec 12 17:08:31.048 INFO [stderr]   --> src/main.rs:78:17
Dec 12 17:08:31.048 INFO [stderr]    |
Dec 12 17:08:31.048 INFO [stderr] 78 |             let test_result: String = String::from_utf8(test_stdout)
Dec 12 17:08:31.048 INFO [stderr]    |                 ^^^^^^^^^^^ help: consider using `_test_result` instead
Dec 12 17:08:31.048 INFO [stderr] 
Dec 12 17:08:31.048 INFO [stderr] warning: unused variable: `doc_result`
Dec 12 17:08:31.048 INFO [stderr]    --> src/main.rs:103:17
Dec 12 17:08:31.048 INFO [stderr]     |
Dec 12 17:08:31.048 INFO [stderr] 103 |             let doc_result: String = String::from_utf8(doc_stdout).expect("rustdoc command failed");
Dec 12 17:08:31.048 INFO [stderr]     |                 ^^^^^^^^^^ help: consider using `_doc_result` instead
Dec 12 17:08:31.048 INFO [stderr] 
Dec 12 17:08:31.104 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
Dec 12 17:08:31.112 INFO [stderr] su: No module specific data is present
Dec 12 17:08:32.072 INFO running `"docker" "inspect" "561c9a4166c344bbe3a055d2baa250b772844a6cbac4553f603936257571fb42"`
Dec 12 17:08:32.466 INFO running `"docker" "rm" "-f" "561c9a4166c344bbe3a055d2baa250b772844a6cbac4553f603936257571fb42"`
Dec 12 17:08:32.763 INFO [stdout] 561c9a4166c344bbe3a055d2baa250b772844a6cbac4553f603936257571fb42