Nov 01 11:27:34.070 INFO checking KuabeM/working-time-calculator against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 11:27:34.070 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 11:27:34.510 INFO blam! 7e09bb0779b0bebfd996fadbfda05a7b7e00ec341a6778445505a6729c0d5f1f
Nov 01 11:27:34.514 INFO running `"docker" "start" "-a" "7e09bb0779b0bebfd996fadbfda05a7b7e00ec341a6778445505a6729c0d5f1f"`
Nov 01 11:27:36.276 INFO kablam! usermod: no changes
Nov 01 11:27:36.380 INFO kablam!     Checking working-time-calc v0.1.0 (/source)
Nov 01 11:27:37.436 INFO kablam! warning: value assigned to `content` is never read
Nov 01 11:27:37.436 INFO kablam!    --> src/main.rs:117:13
Nov 01 11:27:37.436 INFO kablam!     |
Nov 01 11:27:37.436 INFO kablam! 117 |     let mut content = String::new();
Nov 01 11:27:37.436 INFO kablam!     |             ^^^^^^^
Nov 01 11:27:37.436 INFO kablam!     |
Nov 01 11:27:37.436 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 01 11:27:37.436 INFO kablam! 
Nov 01 11:27:37.460 INFO kablam! warning: variable does not need to be mutable
Nov 01 11:27:37.460 INFO kablam!    --> src/main.rs:108:9
Nov 01 11:27:37.460 INFO kablam!     |
Nov 01 11:27:37.460 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Nov 01 11:27:37.460 INFO kablam!     |         ----^^^^^^^^^^^
Nov 01 11:27:37.460 INFO kablam!     |         |
Nov 01 11:27:37.460 INFO kablam!     |         help: remove this `mut`
Nov 01 11:27:37.460 INFO kablam!     |
Nov 01 11:27:37.460 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 11:27:37.460 INFO kablam! 
Nov 01 11:27:37.616 INFO kablam! warning: value assigned to `content` is never read
Nov 01 11:27:37.616 INFO kablam!    --> src/main.rs:117:13
Nov 01 11:27:37.616 INFO kablam!     |
Nov 01 11:27:37.616 INFO kablam! 117 |     let mut content = String::new();
Nov 01 11:27:37.616 INFO kablam!     |             ^^^^^^^
Nov 01 11:27:37.616 INFO kablam!     |
Nov 01 11:27:37.616 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Nov 01 11:27:37.616 INFO kablam! 
Nov 01 11:27:37.650 INFO kablam! warning: variable does not need to be mutable
Nov 01 11:27:37.650 INFO kablam!    --> src/main.rs:108:9
Nov 01 11:27:37.650 INFO kablam!     |
Nov 01 11:27:37.650 INFO kablam! 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Nov 01 11:27:37.652 INFO kablam!     |         ----^^^^^^^^^^^
Nov 01 11:27:37.652 INFO kablam!     |         |
Nov 01 11:27:37.652 INFO kablam!     |         help: remove this `mut`
Nov 01 11:27:37.652 INFO kablam!     |
Nov 01 11:27:37.652 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 11:27:37.652 INFO kablam! 
Nov 01 11:27:37.709 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Nov 01 11:27:37.719 INFO kablam! su: No module specific data is present
Nov 01 11:27:38.593 INFO running `"docker" "rm" "-f" "7e09bb0779b0bebfd996fadbfda05a7b7e00ec341a6778445505a6729c0d5f1f"`
Nov 01 11:27:38.987 INFO blam! 7e09bb0779b0bebfd996fadbfda05a7b7e00ec341a6778445505a6729c0d5f1f