Nov 30 10:47:39.616 INFO checking Hand-of-Cthulhu/quiz_file_creator against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 10:47:39.616 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 10:47:39.863 INFO [stdout] b4d6fb88631464dc4380e1ea612ef79fe9735d045fe51bb20c0bcd08db5556fc
Nov 30 10:47:39.865 INFO running `"docker" "start" "-a" "b4d6fb88631464dc4380e1ea612ef79fe9735d045fe51bb20c0bcd08db5556fc"`
Nov 30 10:47:40.600 INFO [stderr] usermod: no changes
Nov 30 10:47:40.699 INFO [stderr]     Checking nix v0.5.1
Nov 30 10:47:43.791 INFO [stderr]     Checking rustyline v1.0.0
Nov 30 10:47:44.828 INFO [stderr]     Checking quiz_file_creator v0.1.0 (/source)
Nov 30 10:47:46.072 INFO [stderr] warning: unused import: `regex::Regex`
Nov 30 10:47:46.072 INFO [stderr]  --> src/main.rs:6:5
Nov 30 10:47:46.072 INFO [stderr]   |
Nov 30 10:47:46.072 INFO [stderr] 6 | use regex::Regex;
Nov 30 10:47:46.072 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 10:47:46.072 INFO [stderr]   |
Nov 30 10:47:46.072 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 10:47:46.072 INFO [stderr] 
Nov 30 10:47:46.072 INFO [stderr] warning: unused import: `std::io`
Nov 30 10:47:46.072 INFO [stderr]  --> src/main.rs:9:5
Nov 30 10:47:46.072 INFO [stderr]   |
Nov 30 10:47:46.072 INFO [stderr] 9 | use std::io;
Nov 30 10:47:46.072 INFO [stderr]   |     ^^^^^^^
Nov 30 10:47:46.072 INFO [stderr] 
Nov 30 10:47:46.096 INFO [stderr] warning: unused import: `regex::Regex`
Nov 30 10:47:46.096 INFO [stderr]  --> src/main.rs:6:5
Nov 30 10:47:46.096 INFO [stderr]   |
Nov 30 10:47:46.096 INFO [stderr] 6 | use regex::Regex;
Nov 30 10:47:46.096 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 10:47:46.096 INFO [stderr]   |
Nov 30 10:47:46.096 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 10:47:46.096 INFO [stderr] 
Nov 30 10:47:46.096 INFO [stderr] warning: unused import: `std::io`
Nov 30 10:47:46.096 INFO [stderr]  --> src/main.rs:9:5
Nov 30 10:47:46.096 INFO [stderr]   |
Nov 30 10:47:46.096 INFO [stderr] 9 | use std::io;
Nov 30 10:47:46.096 INFO [stderr]   |     ^^^^^^^
Nov 30 10:47:46.096 INFO [stderr] 
Nov 30 10:47:46.221 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:47:46.221 INFO [stderr]   --> src/main.rs:61:5
Nov 30 10:47:46.221 INFO [stderr]    |
Nov 30 10:47:46.221 INFO [stderr] 61 |     fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed");
Nov 30 10:47:46.221 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:47:46.221 INFO [stderr]    |
Nov 30 10:47:46.221 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 10:47:46.221 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:47:46.222 INFO [stderr] 
Nov 30 10:47:46.275 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:47:46.275 INFO [stderr]   --> src/main.rs:61:5
Nov 30 10:47:46.275 INFO [stderr]    |
Nov 30 10:47:46.276 INFO [stderr] 61 |     fs::copy(&file_path, file_path.as_ref().to_str().unwrap().to_owned() + ".bak");//.expect("File backup failed");
Nov 30 10:47:46.276 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:47:46.276 INFO [stderr]    |
Nov 30 10:47:46.276 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 10:47:46.276 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:47:46.276 INFO [stderr] 
Nov 30 10:47:46.293 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
Nov 30 10:47:46.298 INFO [stderr] su: No module specific data is present
Nov 30 10:47:46.563 INFO running `"docker" "inspect" "b4d6fb88631464dc4380e1ea612ef79fe9735d045fe51bb20c0bcd08db5556fc"`
Nov 30 10:47:46.778 INFO running `"docker" "rm" "-f" "b4d6fb88631464dc4380e1ea612ef79fe9735d045fe51bb20c0bcd08db5556fc"`
Nov 30 10:47:46.913 INFO [stdout] b4d6fb88631464dc4380e1ea612ef79fe9735d045fe51bb20c0bcd08db5556fc