Oct 13 17:16:19.586 INFO checking cargo-external-doc-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 17:16:19.586 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 17:16:20.029 INFO blam! dbf093a72446f0e7f601702b844d05181856a5f3e55a34798e758368c781e1b1
Oct 13 17:16:20.031 INFO running `"docker" "start" "-a" "dbf093a72446f0e7f601702b844d05181856a5f3e55a34798e758368c781e1b1"`
Oct 13 17:16:21.896 INFO kablam! usermod: no changes
Oct 13 17:16:22.052 INFO kablam!     Checking handlebars v0.22.0
Oct 13 17:16:24.915 INFO kablam!     Checking cargo-external-doc v0.1.0 (/source)
Oct 13 17:16:28.468 INFO kablam! warning: unused variable: `result`
Oct 13 17:16:28.468 INFO kablam!   --> src/main.rs:51:9
Oct 13 17:16:28.468 INFO kablam!    |
Oct 13 17:16:28.468 INFO kablam! 51 |     let result: String = String::from_utf8(stdout).expect("cargo command failed");
Oct 13 17:16:28.468 INFO kablam!    |         ^^^^^^ help: consider using `_result` instead
Oct 13 17:16:28.468 INFO kablam!    |
Oct 13 17:16:28.468 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 17:16:28.468 INFO kablam! 
Oct 13 17:16:28.468 INFO kablam! warning: unused variable: `test_result`
Oct 13 17:16:28.468 INFO kablam!   --> src/main.rs:78:17
Oct 13 17:16:28.468 INFO kablam!    |
Oct 13 17:16:28.468 INFO kablam! 78 |             let test_result: String = String::from_utf8(test_stdout)
Oct 13 17:16:28.468 INFO kablam!    |                 ^^^^^^^^^^^ help: consider using `_test_result` instead
Oct 13 17:16:28.468 INFO kablam! 
Oct 13 17:16:28.469 INFO kablam! warning: unused variable: `doc_result`
Oct 13 17:16:28.469 INFO kablam!    --> src/main.rs:103:17
Oct 13 17:16:28.469 INFO kablam!     |
Oct 13 17:16:28.469 INFO kablam! 103 |             let doc_result: String = String::from_utf8(doc_stdout).expect("rustdoc command failed");
Oct 13 17:16:28.469 INFO kablam!     |                 ^^^^^^^^^^ help: consider using `_doc_result` instead
Oct 13 17:16:28.469 INFO kablam! 
Oct 13 17:16:28.500 INFO kablam! warning: unused variable: `result`
Oct 13 17:16:28.500 INFO kablam!   --> src/main.rs:51:9
Oct 13 17:16:28.500 INFO kablam!    |
Oct 13 17:16:28.500 INFO kablam! 51 |     let result: String = String::from_utf8(stdout).expect("cargo command failed");
Oct 13 17:16:28.500 INFO kablam!    |         ^^^^^^ help: consider using `_result` instead
Oct 13 17:16:28.500 INFO kablam!    |
Oct 13 17:16:28.500 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 17:16:28.500 INFO kablam! 
Oct 13 17:16:28.500 INFO kablam! warning: unused variable: `test_result`
Oct 13 17:16:28.500 INFO kablam!   --> src/main.rs:78:17
Oct 13 17:16:28.500 INFO kablam!    |
Oct 13 17:16:28.500 INFO kablam! 78 |             let test_result: String = String::from_utf8(test_stdout)
Oct 13 17:16:28.500 INFO kablam!    |                 ^^^^^^^^^^^ help: consider using `_test_result` instead
Oct 13 17:16:28.500 INFO kablam! 
Oct 13 17:16:28.500 INFO kablam! warning: unused variable: `doc_result`
Oct 13 17:16:28.500 INFO kablam!    --> src/main.rs:103:17
Oct 13 17:16:28.500 INFO kablam!     |
Oct 13 17:16:28.500 INFO kablam! 103 |             let doc_result: String = String::from_utf8(doc_stdout).expect("rustdoc command failed");
Oct 13 17:16:28.500 INFO kablam!     |                 ^^^^^^^^^^ help: consider using `_doc_result` instead
Oct 13 17:16:28.501 INFO kablam! 
Oct 13 17:16:28.571 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
Oct 13 17:16:28.577 INFO kablam! su: No module specific data is present
Oct 13 17:16:29.237 INFO running `"docker" "rm" "-f" "dbf093a72446f0e7f601702b844d05181856a5f3e55a34798e758368c781e1b1"`
Oct 13 17:16:29.375 INFO blam! dbf093a72446f0e7f601702b844d05181856a5f3e55a34798e758368c781e1b1