Dec 17 13:24:51.229 INFO checking tomasz-pankowski/rust-class-ps1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:24:51.229 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/tomasz-pankowski/rust-class-ps1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:24:51.687 INFO [stdout] 56ad6e837aab9b6ca976ce1e8230346a76f0f49a8c5b63593c78da0cde23b51a
Dec 17 13:24:51.694 INFO running `"docker" "start" "-a" "56ad6e837aab9b6ca976ce1e8230346a76f0f49a8c5b63593c78da0cde23b51a"`
Dec 17 13:24:53.308 INFO [stderr]     Checking ps1 v0.0.1 (/opt/crater/workdir)
Dec 17 13:24:53.516 INFO [stderr] warning: unused variable: `why`
Dec 17 13:24:53.516 INFO [stderr]   --> src/main.rs:57:32
Dec 17 13:24:53.516 INFO [stderr]    |
Dec 17 13:24:53.516 INFO [stderr] 57 |                                     Err(why) => panic!("couldn't open"),
Dec 17 13:24:53.516 INFO [stderr]    |                                         ^^^ help: consider using `_why` instead
Dec 17 13:24:53.516 INFO [stderr]    |
Dec 17 13:24:53.516 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 13:24:53.516 INFO [stderr] 
Dec 17 13:24:53.516 INFO [stderr] warning: unused variable: `why`
Dec 17 13:24:53.516 INFO [stderr]   --> src/main.rs:62:13
Dec 17 13:24:53.516 INFO [stderr]    |
Dec 17 13:24:53.516 INFO [stderr] 62 |                                 Err(why) => panic!("couldn't read "),
Dec 17 13:24:53.516 INFO [stderr]    |                                     ^^^ help: consider using `_why` instead
Dec 17 13:24:53.516 INFO [stderr] 
Dec 17 13:24:53.516 INFO [stderr] warning: variable `response_default` is assigned to, but never used
Dec 17 13:24:53.516 INFO [stderr]   --> src/main.rs:72:10
Dec 17 13:24:53.516 INFO [stderr]    |
Dec 17 13:24:53.516 INFO [stderr] 72 |                     let response_default;
Dec 17 13:24:53.516 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 17 13:24:53.516 INFO [stderr]    |
Dec 17 13:24:53.516 INFO [stderr]    = note: consider using `_response_default` instead
Dec 17 13:24:53.516 INFO [stderr] 
Dec 17 13:24:53.516 INFO [stderr] warning: value assigned to `response_default` is never read
Dec 17 13:24:53.516 INFO [stderr]   --> src/main.rs:74:7
Dec 17 13:24:53.516 INFO [stderr]    |
Dec 17 13:24:53.517 INFO [stderr] 74 |                         response_default =format!(
Dec 17 13:24:53.517 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 17 13:24:53.517 INFO [stderr]    |
Dec 17 13:24:53.517 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 13:24:53.517 INFO [stderr] 
Dec 17 13:24:53.543 INFO [stderr] warning: static variable `counter` should have an upper case name such as `COUNTER`
Dec 17 13:24:53.543 INFO [stderr]   --> src/main.rs:29:5
Dec 17 13:24:53.543 INFO [stderr]    |
Dec 17 13:24:53.543 INFO [stderr] 29 |     static mut counter: i32 = 0;
Dec 17 13:24:53.543 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:24:53.543 INFO [stderr]    |
Dec 17 13:24:53.543 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 17 13:24:53.543 INFO [stderr] 
Dec 17 13:24:53.682 INFO [stderr] warning: unused variable: `why`
Dec 17 13:24:53.682 INFO [stderr]   --> src/main.rs:57:32
Dec 17 13:24:53.682 INFO [stderr]    |
Dec 17 13:24:53.682 INFO [stderr] 57 |                                     Err(why) => panic!("couldn't open"),
Dec 17 13:24:53.683 INFO [stderr]    |                                         ^^^ help: consider using `_why` instead
Dec 17 13:24:53.683 INFO [stderr]    |
Dec 17 13:24:53.683 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 13:24:53.683 INFO [stderr] 
Dec 17 13:24:53.683 INFO [stderr] warning: unused variable: `why`
Dec 17 13:24:53.683 INFO [stderr]   --> src/main.rs:62:13
Dec 17 13:24:53.684 INFO [stderr]    |
Dec 17 13:24:53.684 INFO [stderr] 62 |                                 Err(why) => panic!("couldn't read "),
Dec 17 13:24:53.684 INFO [stderr]    |                                     ^^^ help: consider using `_why` instead
Dec 17 13:24:53.684 INFO [stderr] 
Dec 17 13:24:53.684 INFO [stderr] warning: variable `response_default` is assigned to, but never used
Dec 17 13:24:53.684 INFO [stderr]   --> src/main.rs:72:10
Dec 17 13:24:53.684 INFO [stderr]    |
Dec 17 13:24:53.684 INFO [stderr] 72 |                     let response_default;
Dec 17 13:24:53.684 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 17 13:24:53.684 INFO [stderr]    |
Dec 17 13:24:53.684 INFO [stderr]    = note: consider using `_response_default` instead
Dec 17 13:24:53.684 INFO [stderr] 
Dec 17 13:24:53.684 INFO [stderr] warning: value assigned to `response_default` is never read
Dec 17 13:24:53.684 INFO [stderr]   --> src/main.rs:74:7
Dec 17 13:24:53.684 INFO [stderr]    |
Dec 17 13:24:53.684 INFO [stderr] 74 |                         response_default =format!(
Dec 17 13:24:53.684 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 17 13:24:53.684 INFO [stderr]    |
Dec 17 13:24:53.684 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 13:24:53.684 INFO [stderr] 
Dec 17 13:24:53.709 INFO [stderr] warning: static variable `counter` should have an upper case name such as `COUNTER`
Dec 17 13:24:53.709 INFO [stderr]   --> src/main.rs:29:5
Dec 17 13:24:53.709 INFO [stderr]    |
Dec 17 13:24:53.709 INFO [stderr] 29 |     static mut counter: i32 = 0;
Dec 17 13:24:53.709 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:24:53.709 INFO [stderr]    |
Dec 17 13:24:53.709 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 17 13:24:53.709 INFO [stderr] 
Dec 17 13:24:53.736 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Dec 17 13:24:54.698 INFO running `"docker" "inspect" "56ad6e837aab9b6ca976ce1e8230346a76f0f49a8c5b63593c78da0cde23b51a"`
Dec 17 13:24:55.060 INFO running `"docker" "rm" "-f" "56ad6e837aab9b6ca976ce1e8230346a76f0f49a8c5b63593c78da0cde23b51a"`
Dec 17 13:24:55.424 INFO [stdout] 56ad6e837aab9b6ca976ce1e8230346a76f0f49a8c5b63593c78da0cde23b51a