Nov 01 11:59:49.514 INFO checking Hand-of-Cthulhu/quiz_file_creator against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 11:59:49.514 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 11:59:49.993 INFO blam! 42acf637a55265e22b1768ea28d9c52e83e69a9848b98bc5d9f8d012e79336de
Nov 01 11:59:49.995 INFO running `"docker" "start" "-a" "42acf637a55265e22b1768ea28d9c52e83e69a9848b98bc5d9f8d012e79336de"`
Nov 01 11:59:51.432 INFO kablam! usermod: no changes
Nov 01 11:59:51.584 INFO kablam!     Checking nix v0.5.1
Nov 01 11:59:55.240 INFO kablam!     Checking rustyline v1.0.0
Nov 01 11:59:56.640 INFO kablam!     Checking quiz_file_creator v0.1.0 (/source)
Nov 01 11:59:57.948 INFO kablam! warning: unused import: `regex::Regex`
Nov 01 11:59:57.948 INFO kablam!  --> src/main.rs:6:5
Nov 01 11:59:57.949 INFO kablam!   |
Nov 01 11:59:57.949 INFO kablam! 6 | use regex::Regex;
Nov 01 11:59:57.949 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 11:59:57.953 INFO kablam!   |
Nov 01 11:59:57.953 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 11:59:57.953 INFO kablam! 
Nov 01 11:59:57.953 INFO kablam! warning: unused import: `std::io`
Nov 01 11:59:57.953 INFO kablam!  --> src/main.rs:9:5
Nov 01 11:59:57.953 INFO kablam!   |
Nov 01 11:59:57.953 INFO kablam! 9 | use std::io;
Nov 01 11:59:57.953 INFO kablam!   |     ^^^^^^^
Nov 01 11:59:57.953 INFO kablam! 
Nov 01 11:59:58.096 INFO kablam! warning: unused import: `regex::Regex`
Nov 01 11:59:58.096 INFO kablam!  --> src/main.rs:6:5
Nov 01 11:59:58.097 INFO kablam!   |
Nov 01 11:59:58.097 INFO kablam! 6 | use regex::Regex;
Nov 01 11:59:58.097 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 11:59:58.097 INFO kablam!   |
Nov 01 11:59:58.104 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 11:59:58.105 INFO kablam! 
Nov 01 11:59:58.105 INFO kablam! warning: unused import: `std::io`
Nov 01 11:59:58.105 INFO kablam!  --> src/main.rs:9:5
Nov 01 11:59:58.105 INFO kablam!   |
Nov 01 11:59:58.106 INFO kablam! 9 | use std::io;
Nov 01 11:59:58.106 INFO kablam!   |     ^^^^^^^
Nov 01 11:59:58.106 INFO kablam! 
Nov 01 11:59:58.200 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 11:59:58.201 INFO kablam!   --> src/main.rs:61:5
Nov 01 11:59:58.201 INFO kablam!    |
Nov 01 11:59:58.201 INFO kablam! 61 |     fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed");
Nov 01 11:59:58.202 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 11:59:58.202 INFO kablam!    |
Nov 01 11:59:58.202 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 11:59:58.202 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 11:59:58.203 INFO kablam! 
Nov 01 11:59:58.297 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 11:59:58.297 INFO kablam!   --> src/main.rs:61:5
Nov 01 11:59:58.297 INFO kablam!    |
Nov 01 11:59:58.297 INFO kablam! 61 |     fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed");
Nov 01 11:59:58.298 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 11:59:58.298 INFO kablam!    |
Nov 01 11:59:58.298 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 11:59:58.298 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 11:59:58.299 INFO kablam! 
Nov 01 11:59:58.352 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.89s
Nov 01 11:59:58.352 INFO kablam! su: No module specific data is present
Nov 01 11:59:59.260 INFO running `"docker" "rm" "-f" "42acf637a55265e22b1768ea28d9c52e83e69a9848b98bc5d9f8d012e79336de"`
Nov 01 11:59:59.424 INFO blam! 42acf637a55265e22b1768ea28d9c52e83e69a9848b98bc5d9f8d012e79336de