Oct 12 22:31:29.317 INFO checking dmitryvm/content-based-renamer against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 22:31:29.317 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/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 12 22:31:29.762 INFO blam! 5b3143975e350e0443dbfd48abd41aeba697bc6add253bea7c03179b2aafadd8
Oct 12 22:31:29.764 INFO running `"docker" "start" "-a" "5b3143975e350e0443dbfd48abd41aeba697bc6add253bea7c03179b2aafadd8"`
Oct 12 22:31:32.110 INFO kablam! usermod: no changes
Oct 12 22:31:32.188 INFO kablam!     Checking md5 v0.4.0
Oct 12 22:31:32.945 INFO kablam!     Checking md5-rename v0.1.0 (/source)
Oct 12 22:31:33.540 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 22:31:33.540 INFO kablam!   --> src/main.rs:34:5
Oct 12 22:31:33.540 INFO kablam!    |
Oct 12 22:31:33.540 INFO kablam! 34 |     fs::rename(path, new_path.to_str().unwrap());
Oct 12 22:31:33.540 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:31:33.540 INFO kablam!    |
Oct 12 22:31:33.540 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 22:31:33.540 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 22:31:33.540 INFO kablam! 
Oct 12 22:31:33.654 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 22:31:33.654 INFO kablam!   --> src/main.rs:34:5
Oct 12 22:31:33.654 INFO kablam!    |
Oct 12 22:31:33.654 INFO kablam! 34 |     fs::rename(path, new_path.to_str().unwrap());
Oct 12 22:31:33.654 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 22:31:33.654 INFO kablam!    |
Oct 12 22:31:33.654 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 22:31:33.654 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 22:31:33.654 INFO kablam! 
Oct 12 22:31:33.674 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Oct 12 22:31:33.677 INFO kablam! su: No module specific data is present
Oct 12 22:31:35.150 INFO running `"docker" "rm" "-f" "5b3143975e350e0443dbfd48abd41aeba697bc6add253bea7c03179b2aafadd8"`
Oct 12 22:31:35.363 INFO blam! 5b3143975e350e0443dbfd48abd41aeba697bc6add253bea7c03179b2aafadd8