Dec 04 08:24:06.833 INFO checking tomasz-pankowski/rust-class-ps1 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 08:24:06.833 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 08:24:07.385 INFO [stdout] 5740ef6d0017bd4e41d573a1acfac127da62d8847686edcdfb6edf061a44e406
Dec 04 08:24:07.387 INFO running `"docker" "start" "-a" "5740ef6d0017bd4e41d573a1acfac127da62d8847686edcdfb6edf061a44e406"`
Dec 04 08:24:08.691 INFO [stderr] usermod: no changes
Dec 04 08:24:08.793 INFO [stderr]     Checking ps1 v0.0.1 (/source)
Dec 04 08:24:09.119 INFO [stderr] warning: unused variable: `why`
Dec 04 08:24:09.119 INFO [stderr]   --> src/main.rs:57:32
Dec 04 08:24:09.119 INFO [stderr]    |
Dec 04 08:24:09.119 INFO [stderr] 57 |                                     Err(why) => panic!("couldn't open"),
Dec 04 08:24:09.119 INFO [stderr]    |                                         ^^^ help: consider using `_why` instead
Dec 04 08:24:09.119 INFO [stderr]    |
Dec 04 08:24:09.119 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 08:24:09.119 INFO [stderr] 
Dec 04 08:24:09.119 INFO [stderr] warning: unused variable: `why`
Dec 04 08:24:09.119 INFO [stderr]   --> src/main.rs:62:13
Dec 04 08:24:09.119 INFO [stderr]    |
Dec 04 08:24:09.119 INFO [stderr] 62 |                                 Err(why) => panic!("couldn't read "),
Dec 04 08:24:09.119 INFO [stderr]    |                                     ^^^ help: consider using `_why` instead
Dec 04 08:24:09.119 INFO [stderr] 
Dec 04 08:24:09.119 INFO [stderr] warning: variable `response_default` is assigned to, but never used
Dec 04 08:24:09.119 INFO [stderr]   --> src/main.rs:72:10
Dec 04 08:24:09.119 INFO [stderr]    |
Dec 04 08:24:09.119 INFO [stderr] 72 |                     let response_default;
Dec 04 08:24:09.119 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 04 08:24:09.119 INFO [stderr]    |
Dec 04 08:24:09.119 INFO [stderr]    = note: consider using `_response_default` instead
Dec 04 08:24:09.119 INFO [stderr] 
Dec 04 08:24:09.119 INFO [stderr] warning: value assigned to `response_default` is never read
Dec 04 08:24:09.119 INFO [stderr]   --> src/main.rs:74:7
Dec 04 08:24:09.119 INFO [stderr]    |
Dec 04 08:24:09.119 INFO [stderr] 74 |                         response_default =format!(
Dec 04 08:24:09.119 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 04 08:24:09.119 INFO [stderr]    |
Dec 04 08:24:09.119 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 08:24:09.119 INFO [stderr] 
Dec 04 08:24:09.127 INFO [stderr] warning: unused variable: `why`
Dec 04 08:24:09.127 INFO [stderr]   --> src/main.rs:57:32
Dec 04 08:24:09.127 INFO [stderr]    |
Dec 04 08:24:09.128 INFO [stderr] 57 |                                     Err(why) => panic!("couldn't open"),
Dec 04 08:24:09.128 INFO [stderr]    |                                         ^^^ help: consider using `_why` instead
Dec 04 08:24:09.128 INFO [stderr]    |
Dec 04 08:24:09.129 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 08:24:09.129 INFO [stderr] 
Dec 04 08:24:09.129 INFO [stderr] warning: unused variable: `why`
Dec 04 08:24:09.130 INFO [stderr]   --> src/main.rs:62:13
Dec 04 08:24:09.130 INFO [stderr]    |
Dec 04 08:24:09.130 INFO [stderr] 62 |                                 Err(why) => panic!("couldn't read "),
Dec 04 08:24:09.131 INFO [stderr]    |                                     ^^^ help: consider using `_why` instead
Dec 04 08:24:09.131 INFO [stderr] 
Dec 04 08:24:09.131 INFO [stderr] warning: variable `response_default` is assigned to, but never used
Dec 04 08:24:09.131 INFO [stderr]   --> src/main.rs:72:10
Dec 04 08:24:09.132 INFO [stderr]    |
Dec 04 08:24:09.132 INFO [stderr] 72 |                     let response_default;
Dec 04 08:24:09.132 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 04 08:24:09.133 INFO [stderr]    |
Dec 04 08:24:09.133 INFO [stderr]    = note: consider using `_response_default` instead
Dec 04 08:24:09.133 INFO [stderr] 
Dec 04 08:24:09.133 INFO [stderr] warning: value assigned to `response_default` is never read
Dec 04 08:24:09.134 INFO [stderr]   --> src/main.rs:74:7
Dec 04 08:24:09.134 INFO [stderr]    |
Dec 04 08:24:09.134 INFO [stderr] 74 |                         response_default =format!(
Dec 04 08:24:09.135 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 04 08:24:09.135 INFO [stderr]    |
Dec 04 08:24:09.135 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 08:24:09.135 INFO [stderr] 
Dec 04 08:24:09.157 INFO [stderr] warning: static variable `counter` should have an upper case name such as `COUNTER`
Dec 04 08:24:09.157 INFO [stderr]   --> src/main.rs:29:5
Dec 04 08:24:09.157 INFO [stderr]    |
Dec 04 08:24:09.157 INFO [stderr] 29 |     static mut counter: i32 = 0;
Dec 04 08:24:09.157 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:24:09.158 INFO [stderr]    |
Dec 04 08:24:09.158 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 04 08:24:09.158 INFO [stderr] 
Dec 04 08:24:09.172 INFO [stderr] warning: static variable `counter` should have an upper case name such as `COUNTER`
Dec 04 08:24:09.172 INFO [stderr]   --> src/main.rs:29:5
Dec 04 08:24:09.172 INFO [stderr]    |
Dec 04 08:24:09.172 INFO [stderr] 29 |     static mut counter: i32 = 0;
Dec 04 08:24:09.172 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:24:09.172 INFO [stderr]    |
Dec 04 08:24:09.173 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 04 08:24:09.173 INFO [stderr] 
Dec 04 08:24:09.221 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 04 08:24:09.222 INFO [stderr] su: No module specific data is present
Dec 04 08:24:10.002 INFO running `"docker" "inspect" "5740ef6d0017bd4e41d573a1acfac127da62d8847686edcdfb6edf061a44e406"`
Dec 04 08:24:10.269 INFO running `"docker" "rm" "-f" "5740ef6d0017bd4e41d573a1acfac127da62d8847686edcdfb6edf061a44e406"`
Dec 04 08:24:10.542 INFO [stdout] 5740ef6d0017bd4e41d573a1acfac127da62d8847686edcdfb6edf061a44e406