Oct 12 17:01:01.922 INFO checking msehnout/redesigned-chainsaw against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 17:01:01.923 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/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 17:01:02.369 INFO blam! 3bab3371ba01b1a9496c518be27ac26f5911fe46f861422dcdc3b870aadaff58
Oct 12 17:01:02.371 INFO running `"docker" "start" "-a" "3bab3371ba01b1a9496c518be27ac26f5911fe46f861422dcdc3b870aadaff58"`
Oct 12 17:01:03.636 INFO kablam! usermod: no changes
Oct 12 17:01:03.692 INFO kablam!     Checking redesigned-chainsaw v0.1.0 (/source)
Oct 12 17:01:04.188 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:01:04.189 INFO kablam!    --> src/main.rs:108:9
Oct 12 17:01:04.189 INFO kablam!     |
Oct 12 17:01:04.189 INFO kablam! 108 |     let mut file_name;
Oct 12 17:01:04.189 INFO kablam!     |         ----^^^^^^^^^
Oct 12 17:01:04.190 INFO kablam!     |         |
Oct 12 17:01:04.190 INFO kablam!     |         help: remove this `mut`
Oct 12 17:01:04.190 INFO kablam!     |
Oct 12 17:01:04.190 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:01:04.190 INFO kablam! 
Oct 12 17:01:04.193 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:01:04.193 INFO kablam!    --> src/main.rs:120:5
Oct 12 17:01:04.194 INFO kablam!     |
Oct 12 17:01:04.194 INFO kablam! 120 |     file.read_to_string(&mut tape);
Oct 12 17:01:04.194 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:01:04.194 INFO kablam!     |
Oct 12 17:01:04.195 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 17:01:04.195 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:01:04.195 INFO kablam! 
Oct 12 17:01:04.400 INFO kablam! warning: variable does not need to be mutable
Oct 12 17:01:04.400 INFO kablam!    --> src/main.rs:108:9
Oct 12 17:01:04.400 INFO kablam!     |
Oct 12 17:01:04.400 INFO kablam! 108 |     let mut file_name;
Oct 12 17:01:04.400 INFO kablam!     |         ----^^^^^^^^^
Oct 12 17:01:04.400 INFO kablam!     |         |
Oct 12 17:01:04.400 INFO kablam!     |         help: remove this `mut`
Oct 12 17:01:04.400 INFO kablam!     |
Oct 12 17:01:04.400 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 17:01:04.400 INFO kablam! 
Oct 12 17:01:04.412 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 17:01:04.412 INFO kablam!    --> src/main.rs:120:5
Oct 12 17:01:04.412 INFO kablam!     |
Oct 12 17:01:04.412 INFO kablam! 120 |     file.read_to_string(&mut tape);
Oct 12 17:01:04.412 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 17:01:04.412 INFO kablam!     |
Oct 12 17:01:04.412 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 17:01:04.412 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 17:01:04.412 INFO kablam! 
Oct 12 17:01:04.436 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Oct 12 17:01:04.437 INFO kablam! su: No module specific data is present
Oct 12 17:01:05.332 INFO running `"docker" "rm" "-f" "3bab3371ba01b1a9496c518be27ac26f5911fe46f861422dcdc3b870aadaff58"`
Oct 12 17:01:05.677 INFO blam! 3bab3371ba01b1a9496c518be27ac26f5911fe46f861422dcdc3b870aadaff58