Nov 04 13:03:59.624 INFO checking KuabeM/working-time-calculator against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 13:03:59.624 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-1/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 13:04:00.072 INFO blam! 98ad5c89e68f027fae6803ac66bffccd49874285ea1354da399cd348b8b5e4d8
Nov 04 13:04:00.077 INFO running `"docker" "start" "-a" "98ad5c89e68f027fae6803ac66bffccd49874285ea1354da399cd348b8b5e4d8"`
Nov 04 13:04:01.536 INFO kablam! usermod: no changes
Nov 04 13:04:01.631 INFO kablam!     Checking working-time-calc v0.1.0 (/source)
Nov 04 13:04:02.483 INFO kablam! warning: value assigned to `content` is never read
Nov 04 13:04:02.483 INFO kablam!    --> src/main.rs:117:13
Nov 04 13:04:02.483 INFO kablam!     |
Nov 04 13:04:02.483 INFO kablam! 117 |     let mut content = String::new();
Nov 04 13:04:02.483 INFO kablam!     |             ^^^^^^^
Nov 04 13:04:02.483 INFO kablam!     |
Nov 04 13:04:02.483 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 04 13:04:02.483 INFO kablam! 
Nov 04 13:04:02.495 INFO kablam! warning: variable does not need to be mutable
Nov 04 13:04:02.495 INFO kablam!    --> src/main.rs:108:9
Nov 04 13:04:02.495 INFO kablam!     |
Nov 04 13:04:02.495 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Nov 04 13:04:02.495 INFO kablam!     |         ----^^^^^^^^^^^
Nov 04 13:04:02.495 INFO kablam!     |         |
Nov 04 13:04:02.495 INFO kablam!     |         help: remove this `mut`
Nov 04 13:04:02.495 INFO kablam!     |
Nov 04 13:04:02.495 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 13:04:02.495 INFO kablam! 
Nov 04 13:04:02.567 INFO kablam! warning: value assigned to `content` is never read
Nov 04 13:04:02.567 INFO kablam!    --> src/main.rs:117:13
Nov 04 13:04:02.567 INFO kablam!     |
Nov 04 13:04:02.567 INFO kablam! 117 |     let mut content = String::new();
Nov 04 13:04:02.567 INFO kablam!     |             ^^^^^^^
Nov 04 13:04:02.567 INFO kablam!     |
Nov 04 13:04:02.567 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 04 13:04:02.567 INFO kablam! 
Nov 04 13:04:02.611 INFO kablam! warning: variable does not need to be mutable
Nov 04 13:04:02.611 INFO kablam!    --> src/main.rs:108:9
Nov 04 13:04:02.611 INFO kablam!     |
Nov 04 13:04:02.611 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Nov 04 13:04:02.611 INFO kablam!     |         ----^^^^^^^^^^^
Nov 04 13:04:02.611 INFO kablam!     |         |
Nov 04 13:04:02.611 INFO kablam!     |         help: remove this `mut`
Nov 04 13:04:02.611 INFO kablam!     |
Nov 04 13:04:02.611 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 04 13:04:02.611 INFO kablam! 
Nov 04 13:04:02.691 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Nov 04 13:04:02.691 INFO kablam! su: No module specific data is present
Nov 04 13:04:03.411 INFO running `"docker" "rm" "-f" "98ad5c89e68f027fae6803ac66bffccd49874285ea1354da399cd348b8b5e4d8"`
Nov 04 13:04:03.715 INFO blam! 98ad5c89e68f027fae6803ac66bffccd49874285ea1354da399cd348b8b5e4d8