Dec 06 13:32:47.601 INFO testing Hand-of-Cthulhu/quiz_file_creator against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 13:32:47.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 13:32:47.950 INFO [stdout] 51684f245f98f7df5f03f791fbe0f58ba064c150df1cac7349bcd2f73446a4c6
Dec 06 13:32:47.954 INFO running `"docker" "start" "-a" "51684f245f98f7df5f03f791fbe0f58ba064c150df1cac7349bcd2f73446a4c6"`
Dec 06 13:32:49.100 INFO [stderr] usermod: no changes
Dec 06 13:32:49.179 INFO [stderr]    Compiling nix v0.5.1
Dec 06 13:32:53.669 INFO [stderr]    Compiling rustyline v1.0.0
Dec 06 13:32:55.933 INFO [stderr]    Compiling quiz_file_creator v0.1.0 (/source)
Dec 06 13:32:57.140 INFO [stderr] warning: unused import: `regex::Regex`
Dec 06 13:32:57.140 INFO [stderr]  --> src/main.rs:6:5
Dec 06 13:32:57.140 INFO [stderr]   |
Dec 06 13:32:57.140 INFO [stderr] 6 | use regex::Regex;
Dec 06 13:32:57.140 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 06 13:32:57.140 INFO [stderr]   |
Dec 06 13:32:57.140 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 13:32:57.140 INFO [stderr] 
Dec 06 13:32:57.140 INFO [stderr] warning: unused import: `std::io`
Dec 06 13:32:57.140 INFO [stderr]  --> src/main.rs:9:5
Dec 06 13:32:57.140 INFO [stderr]   |
Dec 06 13:32:57.140 INFO [stderr] 9 | use std::io;
Dec 06 13:32:57.140 INFO [stderr]   |     ^^^^^^^
Dec 06 13:32:57.140 INFO [stderr] 
Dec 06 13:32:57.316 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:32:57.316 INFO [stderr]   --> src/main.rs:61:5
Dec 06 13:32:57.316 INFO [stderr]    |
Dec 06 13:32:57.316 INFO [stderr] 61 |     fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed");
Dec 06 13:32:57.316 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:32:57.316 INFO [stderr]    |
Dec 06 13:32:57.316 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 13:32:57.316 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:32:57.316 INFO [stderr] 
Dec 06 13:32:59.056 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.93s
Dec 06 13:32:59.068 INFO [stderr] su: No module specific data is present
Dec 06 13:32:59.752 INFO running `"docker" "inspect" "51684f245f98f7df5f03f791fbe0f58ba064c150df1cac7349bcd2f73446a4c6"`
Dec 06 13:33:00.146 INFO running `"docker" "rm" "-f" "51684f245f98f7df5f03f791fbe0f58ba064c150df1cac7349bcd2f73446a4c6"`
Dec 06 13:33:00.493 INFO [stdout] 51684f245f98f7df5f03f791fbe0f58ba064c150df1cac7349bcd2f73446a4c6
Dec 06 13:33:00.500 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 13:33:01.004 INFO [stdout] a09ae417043b2e84e9e7449c23c4b6bf4d9c248282929552b003550025cad490
Dec 06 13:33:01.010 INFO running `"docker" "start" "-a" "a09ae417043b2e84e9e7449c23c4b6bf4d9c248282929552b003550025cad490"`
Dec 06 13:33:02.188 INFO [stderr] usermod: no changes
Dec 06 13:33:02.277 INFO [stderr]    Compiling quiz_file_creator v0.1.0 (/source)
Dec 06 13:33:03.428 INFO [stderr] warning: unused import: `regex::Regex`
Dec 06 13:33:03.428 INFO [stderr]  --> src/main.rs:6:5
Dec 06 13:33:03.428 INFO [stderr]   |
Dec 06 13:33:03.428 INFO [stderr] 6 | use regex::Regex;
Dec 06 13:33:03.428 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 06 13:33:03.428 INFO [stderr]   |
Dec 06 13:33:03.428 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 13:33:03.428 INFO [stderr] 
Dec 06 13:33:03.428 INFO [stderr] warning: unused import: `std::io`
Dec 06 13:33:03.428 INFO [stderr]  --> src/main.rs:9:5
Dec 06 13:33:03.428 INFO [stderr]   |
Dec 06 13:33:03.428 INFO [stderr] 9 | use std::io;
Dec 06 13:33:03.428 INFO [stderr]   |     ^^^^^^^
Dec 06 13:33:03.428 INFO [stderr] 
Dec 06 13:33:03.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 13:33:03.592 INFO [stderr]   --> src/main.rs:61:5
Dec 06 13:33:03.592 INFO [stderr]    |
Dec 06 13:33:03.592 INFO [stderr] 61 |     fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed");
Dec 06 13:33:03.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 13:33:03.592 INFO [stderr]    |
Dec 06 13:33:03.592 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 06 13:33:03.592 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 13:33:03.592 INFO [stderr] 
Dec 06 13:33:03.920 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
Dec 06 13:33:03.920 INFO [stderr] su: No module specific data is present
Dec 06 13:33:04.653 INFO running `"docker" "inspect" "a09ae417043b2e84e9e7449c23c4b6bf4d9c248282929552b003550025cad490"`
Dec 06 13:33:04.916 INFO running `"docker" "rm" "-f" "a09ae417043b2e84e9e7449c23c4b6bf4d9c248282929552b003550025cad490"`
Dec 06 13:33:05.100 INFO [stdout] a09ae417043b2e84e9e7449c23c4b6bf4d9c248282929552b003550025cad490
Dec 06 13:33:05.104 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 13:33:05.488 INFO [stdout] 199749926ed7574fe808f0de6592c0c177fc95e8badb94ff45d1c37320d198be
Dec 06 13:33:05.496 INFO running `"docker" "start" "-a" "199749926ed7574fe808f0de6592c0c177fc95e8badb94ff45d1c37320d198be"`
Dec 06 13:33:06.729 INFO [stderr] usermod: no changes
Dec 06 13:33:06.843 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 06 13:33:06.861 INFO [stderr]      Running /target/debug/deps/quiz_file_creator-d11ea5358048ba2e
Dec 06 13:33:06.861 INFO [stdout] 
Dec 06 13:33:06.861 INFO [stdout] running 0 tests
Dec 06 13:33:06.861 INFO [stdout] 
Dec 06 13:33:06.861 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 13:33:06.861 INFO [stdout] 
Dec 06 13:33:06.862 INFO [stderr] su: No module specific data is present
Dec 06 13:33:07.370 INFO running `"docker" "inspect" "199749926ed7574fe808f0de6592c0c177fc95e8badb94ff45d1c37320d198be"`
Dec 06 13:33:07.680 INFO running `"docker" "rm" "-f" "199749926ed7574fe808f0de6592c0c177fc95e8badb94ff45d1c37320d198be"`
Dec 06 13:33:07.968 INFO [stdout] 199749926ed7574fe808f0de6592c0c177fc95e8badb94ff45d1c37320d198be