Oct 21 21:09:17.684 INFO checking KuabeM/working-time-calculator against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 21:09:17.684 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-5/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 21:09:18.045 INFO blam! af54cd1362a3ae11a4920996061084cd78cad3fab246f2b1575d75d81d7b94e1
Oct 21 21:09:18.050 INFO running `"docker" "start" "-a" "af54cd1362a3ae11a4920996061084cd78cad3fab246f2b1575d75d81d7b94e1"`
Oct 21 21:09:19.068 INFO kablam! usermod: no changes
Oct 21 21:09:19.204 INFO kablam!     Checking working-time-calc v0.1.0 (/source)
Oct 21 21:09:20.232 INFO kablam! warning: value assigned to `content` is never read
Oct 21 21:09:20.233 INFO kablam!    --> src/main.rs:117:13
Oct 21 21:09:20.233 INFO kablam!     |
Oct 21 21:09:20.233 INFO kablam! 117 |     let mut content = String::new();
Oct 21 21:09:20.233 INFO kablam!     |             ^^^^^^^
Oct 21 21:09:20.233 INFO kablam!     |
Oct 21 21:09:20.233 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 21 21:09:20.233 INFO kablam! 
Oct 21 21:09:20.268 INFO kablam! warning: variable does not need to be mutable
Oct 21 21:09:20.268 INFO kablam!    --> src/main.rs:108:9
Oct 21 21:09:20.268 INFO kablam!     |
Oct 21 21:09:20.272 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Oct 21 21:09:20.272 INFO kablam!     |         ----^^^^^^^^^^^
Oct 21 21:09:20.272 INFO kablam!     |         |
Oct 21 21:09:20.272 INFO kablam!     |         help: remove this `mut`
Oct 21 21:09:20.272 INFO kablam!     |
Oct 21 21:09:20.272 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 21:09:20.272 INFO kablam! 
Oct 21 21:09:20.312 INFO kablam! warning: value assigned to `content` is never read
Oct 21 21:09:20.312 INFO kablam!    --> src/main.rs:117:13
Oct 21 21:09:20.312 INFO kablam!     |
Oct 21 21:09:20.312 INFO kablam! 117 |     let mut content = String::new();
Oct 21 21:09:20.312 INFO kablam!     |             ^^^^^^^
Oct 21 21:09:20.312 INFO kablam!     |
Oct 21 21:09:20.312 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 21 21:09:20.312 INFO kablam! 
Oct 21 21:09:20.312 INFO kablam! warning: variable does not need to be mutable
Oct 21 21:09:20.312 INFO kablam!    --> src/main.rs:108:9
Oct 21 21:09:20.312 INFO kablam!     |
Oct 21 21:09:20.312 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Oct 21 21:09:20.312 INFO kablam!     |         ----^^^^^^^^^^^
Oct 21 21:09:20.312 INFO kablam!     |         |
Oct 21 21:09:20.312 INFO kablam!     |         help: remove this `mut`
Oct 21 21:09:20.312 INFO kablam!     |
Oct 21 21:09:20.313 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 21:09:20.313 INFO kablam! 
Oct 21 21:09:20.380 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Oct 21 21:09:20.380 INFO kablam! su: No module specific data is present
Oct 21 21:09:20.922 INFO running `"docker" "rm" "-f" "af54cd1362a3ae11a4920996061084cd78cad3fab246f2b1575d75d81d7b94e1"`
Oct 21 21:09:21.260 INFO blam! af54cd1362a3ae11a4920996061084cd78cad3fab246f2b1575d75d81d7b94e1