Oct 27 11:02:39.245 INFO checking KuabeM/working-time-calculator against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 11:02:39.245 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 11:02:39.804 INFO blam! 5c5ebb6ff7b6048b291067bac3bcc50e0e2bb9d651b2c3672d8819181dc05779
Oct 27 11:02:39.807 INFO running `"docker" "start" "-a" "5c5ebb6ff7b6048b291067bac3bcc50e0e2bb9d651b2c3672d8819181dc05779"`
Oct 27 11:02:41.855 INFO kablam! usermod: no changes
Oct 27 11:02:41.927 INFO kablam!     Checking working-time-calc v0.1.0 (/source)
Oct 27 11:02:43.195 INFO kablam! warning: value assigned to `content` is never read
Oct 27 11:02:43.195 INFO kablam!    --> src/main.rs:117:13
Oct 27 11:02:43.196 INFO kablam!     |
Oct 27 11:02:43.196 INFO kablam! 117 |     let mut content = String::new();
Oct 27 11:02:43.196 INFO kablam!     |             ^^^^^^^
Oct 27 11:02:43.196 INFO kablam!     |
Oct 27 11:02:43.196 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 27 11:02:43.196 INFO kablam! 
Oct 27 11:02:43.196 INFO kablam! warning: variable does not need to be mutable
Oct 27 11:02:43.196 INFO kablam!    --> src/main.rs:108:9
Oct 27 11:02:43.196 INFO kablam!     |
Oct 27 11:02:43.196 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Oct 27 11:02:43.209 INFO kablam!     |         ----^^^^^^^^^^^
Oct 27 11:02:43.209 INFO kablam!     |         |
Oct 27 11:02:43.209 INFO kablam!     |         help: remove this `mut`
Oct 27 11:02:43.210 INFO kablam!     |
Oct 27 11:02:43.210 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 11:02:43.210 INFO kablam! 
Oct 27 11:02:43.287 INFO kablam! warning: value assigned to `content` is never read
Oct 27 11:02:43.287 INFO kablam!    --> src/main.rs:117:13
Oct 27 11:02:43.287 INFO kablam!     |
Oct 27 11:02:43.287 INFO kablam! 117 |     let mut content = String::new();
Oct 27 11:02:43.287 INFO kablam!     |             ^^^^^^^
Oct 27 11:02:43.287 INFO kablam!     |
Oct 27 11:02:43.287 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 27 11:02:43.287 INFO kablam! 
Oct 27 11:02:43.319 INFO kablam! warning: variable does not need to be mutable
Oct 27 11:02:43.319 INFO kablam!    --> src/main.rs:108:9
Oct 27 11:02:43.319 INFO kablam!     |
Oct 27 11:02:43.319 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Oct 27 11:02:43.319 INFO kablam!     |         ----^^^^^^^^^^^
Oct 27 11:02:43.319 INFO kablam!     |         |
Oct 27 11:02:43.319 INFO kablam!     |         help: remove this `mut`
Oct 27 11:02:43.319 INFO kablam!     |
Oct 27 11:02:43.319 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 11:02:43.319 INFO kablam! 
Oct 27 11:02:43.376 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
Oct 27 11:02:43.381 INFO kablam! su: No module specific data is present
Oct 27 11:02:44.439 INFO running `"docker" "rm" "-f" "5c5ebb6ff7b6048b291067bac3bcc50e0e2bb9d651b2c3672d8819181dc05779"`
Oct 27 11:02:44.707 INFO blam! 5c5ebb6ff7b6048b291067bac3bcc50e0e2bb9d651b2c3672d8819181dc05779