Nov 07 04:11:24.934 INFO checking KuabeM/working-time-calculator against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 04:11:24.934 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-4/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 04:11:25.390 INFO blam! 7947f0c9988f434e2167c016b83a09808bd54ae4628cb3387f211ecd97e79794
Nov 07 04:11:25.392 INFO running `"docker" "start" "-a" "7947f0c9988f434e2167c016b83a09808bd54ae4628cb3387f211ecd97e79794"`
Nov 07 04:11:27.084 INFO kablam! usermod: no changes
Nov 07 04:11:27.228 INFO kablam!     Checking working-time-calc v0.1.0 (/source)
Nov 07 04:11:28.092 INFO kablam! warning: value assigned to `content` is never read
Nov 07 04:11:28.092 INFO kablam!    --> src/main.rs:117:13
Nov 07 04:11:28.092 INFO kablam!     |
Nov 07 04:11:28.092 INFO kablam! 117 |     let mut content = String::new();
Nov 07 04:11:28.092 INFO kablam!     |             ^^^^^^^
Nov 07 04:11:28.092 INFO kablam!     |
Nov 07 04:11:28.092 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 07 04:11:28.092 INFO kablam! 
Nov 07 04:11:28.124 INFO kablam! warning: variable does not need to be mutable
Nov 07 04:11:28.124 INFO kablam!    --> src/main.rs:108:9
Nov 07 04:11:28.124 INFO kablam!     |
Nov 07 04:11:28.124 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Nov 07 04:11:28.124 INFO kablam!     |         ----^^^^^^^^^^^
Nov 07 04:11:28.124 INFO kablam!     |         |
Nov 07 04:11:28.124 INFO kablam!     |         help: remove this `mut`
Nov 07 04:11:28.124 INFO kablam!     |
Nov 07 04:11:28.124 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 07 04:11:28.124 INFO kablam! 
Nov 07 04:11:28.288 INFO kablam! warning: value assigned to `content` is never read
Nov 07 04:11:28.288 INFO kablam!    --> src/main.rs:117:13
Nov 07 04:11:28.288 INFO kablam!     |
Nov 07 04:11:28.288 INFO kablam! 117 |     let mut content = String::new();
Nov 07 04:11:28.288 INFO kablam!     |             ^^^^^^^
Nov 07 04:11:28.288 INFO kablam!     |
Nov 07 04:11:28.288 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 07 04:11:28.288 INFO kablam! 
Nov 07 04:11:28.316 INFO kablam! warning: variable does not need to be mutable
Nov 07 04:11:28.317 INFO kablam!    --> src/main.rs:108:9
Nov 07 04:11:28.317 INFO kablam!     |
Nov 07 04:11:28.317 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Nov 07 04:11:28.317 INFO kablam!     |         ----^^^^^^^^^^^
Nov 07 04:11:28.317 INFO kablam!     |         |
Nov 07 04:11:28.317 INFO kablam!     |         help: remove this `mut`
Nov 07 04:11:28.317 INFO kablam!     |
Nov 07 04:11:28.317 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 07 04:11:28.317 INFO kablam! 
Nov 07 04:11:28.373 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Nov 07 04:11:28.373 INFO kablam! su: No module specific data is present
Nov 07 04:11:29.108 INFO running `"docker" "rm" "-f" "7947f0c9988f434e2167c016b83a09808bd54ae4628cb3387f211ecd97e79794"`
Nov 07 04:11:29.410 INFO blam! 7947f0c9988f434e2167c016b83a09808bd54ae4628cb3387f211ecd97e79794