Nov 09 19:16:00.844 INFO checking KuabeM/working-time-calculator against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 19:16:00.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-4/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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"`
Nov 09 19:16:01.235 INFO blam! 6e9a7b87eff52fba73078b7807d27f5de2495e3b0fd2583e1db399349c148f43
Nov 09 19:16:01.247 INFO running `"docker" "start" "-a" "6e9a7b87eff52fba73078b7807d27f5de2495e3b0fd2583e1db399349c148f43"`
Nov 09 19:16:03.043 INFO kablam! usermod: no changes
Nov 09 19:16:03.131 INFO kablam!     Checking working-time-calc v0.1.0 (/source)
Nov 09 19:16:03.975 INFO kablam! warning: value assigned to `content` is never read
Nov 09 19:16:03.975 INFO kablam!    --> src/main.rs:117:13
Nov 09 19:16:03.975 INFO kablam!     |
Nov 09 19:16:03.975 INFO kablam! 117 |     let mut content = String::new();
Nov 09 19:16:03.975 INFO kablam!     |             ^^^^^^^
Nov 09 19:16:03.975 INFO kablam!     |
Nov 09 19:16:03.975 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 09 19:16:03.975 INFO kablam! 
Nov 09 19:16:04.003 INFO kablam! warning: variable does not need to be mutable
Nov 09 19:16:04.003 INFO kablam!    --> src/main.rs:108:9
Nov 09 19:16:04.003 INFO kablam!     |
Nov 09 19:16:04.003 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Nov 09 19:16:04.003 INFO kablam!     |         ----^^^^^^^^^^^
Nov 09 19:16:04.003 INFO kablam!     |         |
Nov 09 19:16:04.003 INFO kablam!     |         help: remove this `mut`
Nov 09 19:16:04.003 INFO kablam!     |
Nov 09 19:16:04.003 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 09 19:16:04.003 INFO kablam! 
Nov 09 19:16:04.383 INFO kablam! warning: value assigned to `content` is never read
Nov 09 19:16:04.383 INFO kablam!    --> src/main.rs:117:13
Nov 09 19:16:04.383 INFO kablam!     |
Nov 09 19:16:04.383 INFO kablam! 117 |     let mut content = String::new();
Nov 09 19:16:04.383 INFO kablam!     |             ^^^^^^^
Nov 09 19:16:04.383 INFO kablam!     |
Nov 09 19:16:04.383 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 09 19:16:04.383 INFO kablam! 
Nov 09 19:16:04.407 INFO kablam! warning: variable does not need to be mutable
Nov 09 19:16:04.407 INFO kablam!    --> src/main.rs:108:9
Nov 09 19:16:04.407 INFO kablam!     |
Nov 09 19:16:04.407 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Nov 09 19:16:04.407 INFO kablam!     |         ----^^^^^^^^^^^
Nov 09 19:16:04.407 INFO kablam!     |         |
Nov 09 19:16:04.407 INFO kablam!     |         help: remove this `mut`
Nov 09 19:16:04.407 INFO kablam!     |
Nov 09 19:16:04.407 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 09 19:16:04.407 INFO kablam! 
Nov 09 19:16:04.479 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Nov 09 19:16:04.499 INFO kablam! su: No module specific data is present
Nov 09 19:16:05.368 INFO running `"docker" "rm" "-f" "6e9a7b87eff52fba73078b7807d27f5de2495e3b0fd2583e1db399349c148f43"`
Nov 09 19:16:05.619 INFO blam! 6e9a7b87eff52fba73078b7807d27f5de2495e3b0fd2583e1db399349c148f43