Oct 12 16:11:54.633 INFO checking oldsj/backup-rs against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 16:11:54.634 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/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 16:11:55.055 INFO blam! 1c007252c761921f672551b812c81963c31279ae87c19c46b5a26ddfbdae0b1f
Oct 12 16:11:55.057 INFO running `"docker" "start" "-a" "1c007252c761921f672551b812c81963c31279ae87c19c46b5a26ddfbdae0b1f"`
Oct 12 16:11:56.992 INFO kablam! usermod: no changes
Oct 12 16:11:57.080 INFO kablam!     Checking filetime v0.1.10
Oct 12 16:11:57.589 INFO kablam!     Checking backup-rs v0.1.0 (/source)
Oct 12 16:11:57.992 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:11:57.992 INFO kablam!   --> src/main.rs:32:13
Oct 12 16:11:57.992 INFO kablam!    |
Oct 12 16:11:57.992 INFO kablam! 32 |             fs::remove_file(file.path());
Oct 12 16:11:57.992 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:11:57.992 INFO kablam!    |
Oct 12 16:11:57.992 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 16:11:57.992 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:11:57.992 INFO kablam! 
Oct 12 16:11:58.228 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:11:58.228 INFO kablam!   --> src/main.rs:32:13
Oct 12 16:11:58.228 INFO kablam!    |
Oct 12 16:11:58.228 INFO kablam! 32 |             fs::remove_file(file.path());
Oct 12 16:11:58.228 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:11:58.228 INFO kablam!    |
Oct 12 16:11:58.228 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 16:11:58.228 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:11:58.228 INFO kablam! 
Oct 12 16:11:58.288 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Oct 12 16:11:58.292 INFO kablam! su: No module specific data is present
Oct 12 16:11:59.493 INFO running `"docker" "rm" "-f" "1c007252c761921f672551b812c81963c31279ae87c19c46b5a26ddfbdae0b1f"`
Oct 12 16:11:59.834 INFO blam! 1c007252c761921f672551b812c81963c31279ae87c19c46b5a26ddfbdae0b1f