Nov 02 20:57:36.920 INFO checking KuabeM/working-time-calculator against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 20:57:36.920 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 02 20:57:37.308 INFO blam! 02bbef8e4a277cf22dbfc4c1da4c51c4a624c425c58a3781963562ddb07d63a4
Nov 02 20:57:37.314 INFO running `"docker" "start" "-a" "02bbef8e4a277cf22dbfc4c1da4c51c4a624c425c58a3781963562ddb07d63a4"`
Nov 02 20:57:39.057 INFO kablam! usermod: no changes
Nov 02 20:57:39.132 INFO kablam!     Checking working-time-calc v0.1.0 (/source)
Nov 02 20:57:40.016 INFO kablam! warning: value assigned to `content` is never read
Nov 02 20:57:40.016 INFO kablam!    --> src/main.rs:117:13
Nov 02 20:57:40.016 INFO kablam!     |
Nov 02 20:57:40.016 INFO kablam! 117 |     let mut content = String::new();
Nov 02 20:57:40.016 INFO kablam!     |             ^^^^^^^
Nov 02 20:57:40.016 INFO kablam!     |
Nov 02 20:57:40.016 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 02 20:57:40.016 INFO kablam! 
Nov 02 20:57:40.034 INFO kablam! warning: variable does not need to be mutable
Nov 02 20:57:40.034 INFO kablam!    --> src/main.rs:108:9
Nov 02 20:57:40.034 INFO kablam!     |
Nov 02 20:57:40.034 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Nov 02 20:57:40.034 INFO kablam!     |         ----^^^^^^^^^^^
Nov 02 20:57:40.034 INFO kablam!     |         |
Nov 02 20:57:40.034 INFO kablam!     |         help: remove this `mut`
Nov 02 20:57:40.034 INFO kablam!     |
Nov 02 20:57:40.034 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 20:57:40.034 INFO kablam! 
Nov 02 20:57:40.384 INFO kablam! warning: value assigned to `content` is never read
Nov 02 20:57:40.384 INFO kablam!    --> src/main.rs:117:13
Nov 02 20:57:40.384 INFO kablam!     |
Nov 02 20:57:40.384 INFO kablam! 117 |     let mut content = String::new();
Nov 02 20:57:40.384 INFO kablam!     |             ^^^^^^^
Nov 02 20:57:40.384 INFO kablam!     |
Nov 02 20:57:40.385 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 02 20:57:40.385 INFO kablam! 
Nov 02 20:57:40.406 INFO kablam! warning: variable does not need to be mutable
Nov 02 20:57:40.406 INFO kablam!    --> src/main.rs:108:9
Nov 02 20:57:40.406 INFO kablam!     |
Nov 02 20:57:40.406 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Nov 02 20:57:40.406 INFO kablam!     |         ----^^^^^^^^^^^
Nov 02 20:57:40.406 INFO kablam!     |         |
Nov 02 20:57:40.406 INFO kablam!     |         help: remove this `mut`
Nov 02 20:57:40.406 INFO kablam!     |
Nov 02 20:57:40.406 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 20:57:40.406 INFO kablam! 
Nov 02 20:57:40.488 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Nov 02 20:57:40.488 INFO kablam! su: No module specific data is present
Nov 02 20:57:41.029 INFO running `"docker" "rm" "-f" "02bbef8e4a277cf22dbfc4c1da4c51c4a624c425c58a3781963562ddb07d63a4"`
Nov 02 20:57:41.476 INFO blam! 02bbef8e4a277cf22dbfc4c1da4c51c4a624c425c58a3781963562ddb07d63a4