Dec 05 17:07:06.684 INFO checking QuadraticCalc-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 17:07:06.684 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 17:07:07.178 INFO [stdout] f5801eb85b08637f94aa83525fd8d2cdd750c8e2d76cd3b307319683b5e04185
Dec 05 17:07:07.180 INFO running `"docker" "start" "-a" "f5801eb85b08637f94aa83525fd8d2cdd750c8e2d76cd3b307319683b5e04185"`
Dec 05 17:07:08.747 INFO [stderr] usermod: no changes
Dec 05 17:07:08.967 INFO [stderr]     Checking QuadraticCalc v0.1.0 (/source)
Dec 05 17:07:12.391 INFO [stderr] warning: unused imports: `Button`, `Label`, `WindowType`, `Window`
Dec 05 17:07:12.391 INFO [stderr]  --> src/main.rs:3:11
Dec 05 17:07:12.391 INFO [stderr]   |
Dec 05 17:07:12.391 INFO [stderr] 3 | use gtk::{Label,Button, Window, WindowType};
Dec 05 17:07:12.391 INFO [stderr]   |           ^^^^^ ^^^^^^  ^^^^^^  ^^^^^^^^^^
Dec 05 17:07:12.391 INFO [stderr]   |
Dec 05 17:07:12.391 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 17:07:12.391 INFO [stderr] 
Dec 05 17:07:12.391 INFO [stderr] warning: unused import: `gtk::Entry`
Dec 05 17:07:12.391 INFO [stderr]  --> src/main.rs:4:5
Dec 05 17:07:12.391 INFO [stderr]   |
Dec 05 17:07:12.391 INFO [stderr] 4 | use gtk::Entry;
Dec 05 17:07:12.391 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 17:07:12.391 INFO [stderr] 
Dec 05 17:07:12.561 INFO [stderr] warning: crate `QuadraticCalc` should have a snake case name such as `quadratic_calc`
Dec 05 17:07:12.561 INFO [stderr]   |
Dec 05 17:07:12.561 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 05 17:07:12.561 INFO [stderr] 
Dec 05 17:07:12.607 INFO [stderr] warning: unused imports: `Button`, `Label`, `WindowType`, `Window`
Dec 05 17:07:12.607 INFO [stderr]  --> src/main.rs:3:11
Dec 05 17:07:12.607 INFO [stderr]   |
Dec 05 17:07:12.607 INFO [stderr] 3 | use gtk::{Label,Button, Window, WindowType};
Dec 05 17:07:12.607 INFO [stderr]   |           ^^^^^ ^^^^^^  ^^^^^^  ^^^^^^^^^^
Dec 05 17:07:12.607 INFO [stderr]   |
Dec 05 17:07:12.607 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 17:07:12.607 INFO [stderr] 
Dec 05 17:07:12.607 INFO [stderr] warning: unused import: `gtk::Entry`
Dec 05 17:07:12.607 INFO [stderr]  --> src/main.rs:4:5
Dec 05 17:07:12.608 INFO [stderr]   |
Dec 05 17:07:12.608 INFO [stderr] 4 | use gtk::Entry;
Dec 05 17:07:12.608 INFO [stderr]   |     ^^^^^^^^^^
Dec 05 17:07:12.608 INFO [stderr] 
Dec 05 17:07:12.721 INFO [stderr] warning: crate `QuadraticCalc` should have a snake case name such as `quadratic_calc`
Dec 05 17:07:12.721 INFO [stderr]   |
Dec 05 17:07:12.721 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 05 17:07:12.721 INFO [stderr] 
Dec 05 17:07:12.763 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
Dec 05 17:07:12.771 INFO [stderr] su: No module specific data is present
Dec 05 17:07:13.644 INFO running `"docker" "inspect" "f5801eb85b08637f94aa83525fd8d2cdd750c8e2d76cd3b307319683b5e04185"`
Dec 05 17:07:14.015 INFO running `"docker" "rm" "-f" "f5801eb85b08637f94aa83525fd8d2cdd750c8e2d76cd3b307319683b5e04185"`
Dec 05 17:07:14.379 INFO [stdout] f5801eb85b08637f94aa83525fd8d2cdd750c8e2d76cd3b307319683b5e04185