Dec 06 12:27:29.631 INFO testing KuabeM/working-time-calculator against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 12:27:29.631 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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"`
Dec 06 12:27:29.817 INFO [stdout] 64c3c8ccc9dcf303bb0bc77f060b8061a331c5307f8c4d123c627983bc97d26a
Dec 06 12:27:29.819 INFO running `"docker" "start" "-a" "64c3c8ccc9dcf303bb0bc77f060b8061a331c5307f8c4d123c627983bc97d26a"`
Dec 06 12:27:30.245 INFO [stderr] usermod: no changes
Dec 06 12:27:30.288 INFO [stderr]    Compiling working-time-calc v0.1.0 (/source)
Dec 06 12:27:30.899 INFO [stderr] warning: value assigned to `content` is never read
Dec 06 12:27:30.899 INFO [stderr]    --> src/main.rs:117:13
Dec 06 12:27:30.899 INFO [stderr]     |
Dec 06 12:27:30.899 INFO [stderr] 117 |     let mut content = String::new();
Dec 06 12:27:30.899 INFO [stderr]     |             ^^^^^^^
Dec 06 12:27:30.899 INFO [stderr]     |
Dec 06 12:27:30.899 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 06 12:27:30.899 INFO [stderr] 
Dec 06 12:27:30.907 INFO [stderr] warning: variable does not need to be mutable
Dec 06 12:27:30.907 INFO [stderr]    --> src/main.rs:108:9
Dec 06 12:27:30.907 INFO [stderr]     |
Dec 06 12:27:30.907 INFO [stderr] 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Dec 06 12:27:30.907 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 06 12:27:30.907 INFO [stderr]     |         |
Dec 06 12:27:30.907 INFO [stderr]     |         help: remove this `mut`
Dec 06 12:27:30.907 INFO [stderr]     |
Dec 06 12:27:30.907 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 12:27:30.907 INFO [stderr] 
Dec 06 12:27:31.399 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 06 12:27:31.402 INFO [stderr] su: No module specific data is present
Dec 06 12:27:31.646 INFO running `"docker" "inspect" "64c3c8ccc9dcf303bb0bc77f060b8061a331c5307f8c4d123c627983bc97d26a"`
Dec 06 12:27:31.716 INFO running `"docker" "rm" "-f" "64c3c8ccc9dcf303bb0bc77f060b8061a331c5307f8c4d123c627983bc97d26a"`
Dec 06 12:27:31.777 INFO [stdout] 64c3c8ccc9dcf303bb0bc77f060b8061a331c5307f8c4d123c627983bc97d26a
Dec 06 12:27:31.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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"`
Dec 06 12:27:31.960 INFO [stdout] c221c303b077375de2d3d5dd5a9171a0da3b954d7540117c8e6819bb8d330bd3
Dec 06 12:27:31.961 INFO running `"docker" "start" "-a" "c221c303b077375de2d3d5dd5a9171a0da3b954d7540117c8e6819bb8d330bd3"`
Dec 06 12:27:32.310 INFO [stderr] usermod: no changes
Dec 06 12:27:32.351 INFO [stderr]    Compiling working-time-calc v0.1.0 (/source)
Dec 06 12:27:32.887 INFO [stderr] warning: value assigned to `content` is never read
Dec 06 12:27:32.887 INFO [stderr]    --> src/main.rs:117:13
Dec 06 12:27:32.887 INFO [stderr]     |
Dec 06 12:27:32.887 INFO [stderr] 117 |     let mut content = String::new();
Dec 06 12:27:32.887 INFO [stderr]     |             ^^^^^^^
Dec 06 12:27:32.887 INFO [stderr]     |
Dec 06 12:27:32.887 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 06 12:27:32.887 INFO [stderr] 
Dec 06 12:27:32.902 INFO [stderr] warning: variable does not need to be mutable
Dec 06 12:27:32.902 INFO [stderr]    --> src/main.rs:108:9
Dec 06 12:27:32.902 INFO [stderr]     |
Dec 06 12:27:32.902 INFO [stderr] 108 |     let mut content_opt = match read_file_to_string( &file_name) {
Dec 06 12:27:32.902 INFO [stderr]     |         ----^^^^^^^^^^^
Dec 06 12:27:32.902 INFO [stderr]     |         |
Dec 06 12:27:32.902 INFO [stderr]     |         help: remove this `mut`
Dec 06 12:27:32.902 INFO [stderr]     |
Dec 06 12:27:32.902 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 12:27:32.902 INFO [stderr] 
Dec 06 12:27:33.127 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 06 12:27:33.130 INFO [stderr] su: No module specific data is present
Dec 06 12:27:33.502 INFO running `"docker" "inspect" "c221c303b077375de2d3d5dd5a9171a0da3b954d7540117c8e6819bb8d330bd3"`
Dec 06 12:27:33.678 INFO running `"docker" "rm" "-f" "c221c303b077375de2d3d5dd5a9171a0da3b954d7540117c8e6819bb8d330bd3"`
Dec 06 12:27:33.818 INFO [stdout] c221c303b077375de2d3d5dd5a9171a0da3b954d7540117c8e6819bb8d330bd3
Dec 06 12:27:33.823 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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"`
Dec 06 12:27:34.038 INFO [stdout] 0fe114cef86a06701e6b0ca8bc71828c9dd59847ffc3a43227511a0395d9cb1c
Dec 06 12:27:34.042 INFO running `"docker" "start" "-a" "0fe114cef86a06701e6b0ca8bc71828c9dd59847ffc3a43227511a0395d9cb1c"`
Dec 06 12:27:34.435 INFO [stderr] usermod: no changes
Dec 06 12:27:34.459 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 12:27:34.460 INFO [stderr]      Running /target/debug/deps/working_time_calc-4ae8e8d0146a5246
Dec 06 12:27:34.461 INFO [stdout] 
Dec 06 12:27:34.461 INFO [stdout] running 0 tests
Dec 06 12:27:34.461 INFO [stdout] 
Dec 06 12:27:34.461 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 12:27:34.461 INFO [stdout] 
Dec 06 12:27:34.463 INFO [stderr] su: No module specific data is present
Dec 06 12:27:34.712 INFO running `"docker" "inspect" "0fe114cef86a06701e6b0ca8bc71828c9dd59847ffc3a43227511a0395d9cb1c"`
Dec 06 12:27:34.775 INFO running `"docker" "rm" "-f" "0fe114cef86a06701e6b0ca8bc71828c9dd59847ffc3a43227511a0395d9cb1c"`
Dec 06 12:27:34.874 INFO [stdout] 0fe114cef86a06701e6b0ca8bc71828c9dd59847ffc3a43227511a0395d9cb1c