Dec 05 15:48:04.333 INFO checking cargo-external-doc-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 15:48:04.333 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 15:48:04.775 INFO [stdout] 8d82316aef55dbc55522a5fe246292269b3942723afb80f60643219c690be29e
Dec 05 15:48:04.777 INFO running `"docker" "start" "-a" "8d82316aef55dbc55522a5fe246292269b3942723afb80f60643219c690be29e"`
Dec 05 15:48:05.819 INFO [stderr] usermod: no changes
Dec 05 15:48:05.983 INFO [stderr]     Checking cargo-external-doc v0.1.0 (/source)
Dec 05 15:48:08.237 INFO [stderr] warning: unused variable: `result`
Dec 05 15:48:08.237 INFO [stderr]   --> src/main.rs:51:9
Dec 05 15:48:08.237 INFO [stderr]    |
Dec 05 15:48:08.238 INFO [stderr] 51 |     let result: String = String::from_utf8(stdout).expect("cargo command failed");
Dec 05 15:48:08.238 INFO [stderr]    |         ^^^^^^ help: consider using `_result` instead
Dec 05 15:48:08.238 INFO [stderr]    |
Dec 05 15:48:08.238 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 15:48:08.239 INFO [stderr] 
Dec 05 15:48:08.239 INFO [stderr] warning: unused variable: `test_result`
Dec 05 15:48:08.239 INFO [stderr]   --> src/main.rs:78:17
Dec 05 15:48:08.239 INFO [stderr]    |
Dec 05 15:48:08.240 INFO [stderr] 78 |             let test_result: String = String::from_utf8(test_stdout)
Dec 05 15:48:08.240 INFO [stderr]    |                 ^^^^^^^^^^^ help: consider using `_test_result` instead
Dec 05 15:48:08.240 INFO [stderr] 
Dec 05 15:48:08.240 INFO [stderr] warning: unused variable: `doc_result`
Dec 05 15:48:08.241 INFO [stderr]    --> src/main.rs:103:17
Dec 05 15:48:08.241 INFO [stderr]     |
Dec 05 15:48:08.241 INFO [stderr] 103 |             let doc_result: String = String::from_utf8(doc_stdout).expect("rustdoc command failed");
Dec 05 15:48:08.241 INFO [stderr]     |                 ^^^^^^^^^^ help: consider using `_doc_result` instead
Dec 05 15:48:08.242 INFO [stderr] 
Dec 05 15:48:08.825 INFO [stderr] warning: unused variable: `result`
Dec 05 15:48:08.825 INFO [stderr]   --> src/main.rs:51:9
Dec 05 15:48:08.825 INFO [stderr]    |
Dec 05 15:48:08.826 INFO [stderr] 51 |     let result: String = String::from_utf8(stdout).expect("cargo command failed");
Dec 05 15:48:08.826 INFO [stderr]    |         ^^^^^^ help: consider using `_result` instead
Dec 05 15:48:08.826 INFO [stderr]    |
Dec 05 15:48:08.826 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 15:48:08.826 INFO [stderr] 
Dec 05 15:48:08.827 INFO [stderr] warning: unused variable: `test_result`
Dec 05 15:48:08.827 INFO [stderr]   --> src/main.rs:78:17
Dec 05 15:48:08.827 INFO [stderr]    |
Dec 05 15:48:08.827 INFO [stderr] 78 |             let test_result: String = String::from_utf8(test_stdout)
Dec 05 15:48:08.828 INFO [stderr]    |                 ^^^^^^^^^^^ help: consider using `_test_result` instead
Dec 05 15:48:08.828 INFO [stderr] 
Dec 05 15:48:08.828 INFO [stderr] warning: unused variable: `doc_result`
Dec 05 15:48:08.828 INFO [stderr]    --> src/main.rs:103:17
Dec 05 15:48:08.829 INFO [stderr]     |
Dec 05 15:48:08.829 INFO [stderr] 103 |             let doc_result: String = String::from_utf8(doc_stdout).expect("rustdoc command failed");
Dec 05 15:48:08.829 INFO [stderr]     |                 ^^^^^^^^^^ help: consider using `_doc_result` instead
Dec 05 15:48:08.829 INFO [stderr] 
Dec 05 15:48:08.897 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
Dec 05 15:48:08.902 INFO [stderr] su: No module specific data is present
Dec 05 15:48:09.918 INFO running `"docker" "inspect" "8d82316aef55dbc55522a5fe246292269b3942723afb80f60643219c690be29e"`
Dec 05 15:48:10.215 INFO running `"docker" "rm" "-f" "8d82316aef55dbc55522a5fe246292269b3942723afb80f60643219c690be29e"`
Dec 05 15:48:10.471 INFO [stdout] 8d82316aef55dbc55522a5fe246292269b3942723afb80f60643219c690be29e