Dec 19 06:55:49.309 INFO checking tomasz-pankowski/rust-class-ps1 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:55:49.310 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:55:49.766 INFO [stdout] b06cacff3887517c6456b17d96aa83aeba2e8ed0b2d53f55ec2bfc04065ffcd6
Dec 19 06:55:49.771 INFO running `"docker" "start" "-a" "b06cacff3887517c6456b17d96aa83aeba2e8ed0b2d53f55ec2bfc04065ffcd6"`
Dec 19 06:55:51.191 INFO [stderr]     Checking ps1 v0.0.1 (/opt/crater/workdir)
Dec 19 06:55:51.468 INFO [stderr] warning: unused variable: `why`
Dec 19 06:55:51.468 INFO [stderr]   --> src/main.rs:57:32
Dec 19 06:55:51.468 INFO [stderr]    |
Dec 19 06:55:51.468 INFO [stderr] 57 |                                     Err(why) => panic!("couldn't open"),
Dec 19 06:55:51.468 INFO [stderr]    |                                         ^^^ help: consider using `_why` instead
Dec 19 06:55:51.468 INFO [stderr]    |
Dec 19 06:55:51.468 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 06:55:51.468 INFO [stderr] 
Dec 19 06:55:51.469 INFO [stderr] warning: unused variable: `why`
Dec 19 06:55:51.469 INFO [stderr]   --> src/main.rs:62:13
Dec 19 06:55:51.469 INFO [stderr]    |
Dec 19 06:55:51.469 INFO [stderr] 62 |                                 Err(why) => panic!("couldn't read "),
Dec 19 06:55:51.469 INFO [stderr]    |                                     ^^^ help: consider using `_why` instead
Dec 19 06:55:51.469 INFO [stderr] 
Dec 19 06:55:51.469 INFO [stderr] warning: variable `response_default` is assigned to, but never used
Dec 19 06:55:51.469 INFO [stderr]   --> src/main.rs:72:10
Dec 19 06:55:51.469 INFO [stderr]    |
Dec 19 06:55:51.469 INFO [stderr] 72 |                     let response_default;
Dec 19 06:55:51.469 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 19 06:55:51.469 INFO [stderr]    |
Dec 19 06:55:51.469 INFO [stderr]    = note: consider using `_response_default` instead
Dec 19 06:55:51.469 INFO [stderr] 
Dec 19 06:55:51.469 INFO [stderr] warning: value assigned to `response_default` is never read
Dec 19 06:55:51.469 INFO [stderr]   --> src/main.rs:74:7
Dec 19 06:55:51.469 INFO [stderr]    |
Dec 19 06:55:51.469 INFO [stderr] 74 |                         response_default =format!(
Dec 19 06:55:51.469 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 19 06:55:51.469 INFO [stderr]    |
Dec 19 06:55:51.469 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 06:55:51.469 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 06:55:51.469 INFO [stderr] 
Dec 19 06:55:51.484 INFO [stderr] warning: unused variable: `why`
Dec 19 06:55:51.484 INFO [stderr]   --> src/main.rs:57:32
Dec 19 06:55:51.484 INFO [stderr]    |
Dec 19 06:55:51.484 INFO [stderr] 57 |                                     Err(why) => panic!("couldn't open"),
Dec 19 06:55:51.484 INFO [stderr]    |                                         ^^^ help: consider using `_why` instead
Dec 19 06:55:51.484 INFO [stderr]    |
Dec 19 06:55:51.484 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 06:55:51.484 INFO [stderr] 
Dec 19 06:55:51.484 INFO [stderr] warning: unused variable: `why`
Dec 19 06:55:51.484 INFO [stderr]   --> src/main.rs:62:13
Dec 19 06:55:51.484 INFO [stderr]    |
Dec 19 06:55:51.484 INFO [stderr] 62 |                                 Err(why) => panic!("couldn't read "),
Dec 19 06:55:51.485 INFO [stderr]    |                                     ^^^ help: consider using `_why` instead
Dec 19 06:55:51.485 INFO [stderr] 
Dec 19 06:55:51.485 INFO [stderr] warning: variable `response_default` is assigned to, but never used
Dec 19 06:55:51.485 INFO [stderr]   --> src/main.rs:72:10
Dec 19 06:55:51.485 INFO [stderr]    |
Dec 19 06:55:51.485 INFO [stderr] 72 |                     let response_default;
Dec 19 06:55:51.485 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 19 06:55:51.485 INFO [stderr]    |
Dec 19 06:55:51.485 INFO [stderr]    = note: consider using `_response_default` instead
Dec 19 06:55:51.485 INFO [stderr] 
Dec 19 06:55:51.485 INFO [stderr] warning: value assigned to `response_default` is never read
Dec 19 06:55:51.485 INFO [stderr]   --> src/main.rs:74:7
Dec 19 06:55:51.485 INFO [stderr]    |
Dec 19 06:55:51.485 INFO [stderr] 74 |                         response_default =format!(
Dec 19 06:55:51.485 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Dec 19 06:55:51.485 INFO [stderr]    |
Dec 19 06:55:51.485 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 06:55:51.485 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 06:55:51.485 INFO [stderr] 
Dec 19 06:55:51.520 INFO [stderr] warning: static variable `counter` should have an upper case name such as `COUNTER`
Dec 19 06:55:51.520 INFO [stderr]   --> src/main.rs:29:5
Dec 19 06:55:51.520 INFO [stderr]    |
Dec 19 06:55:51.520 INFO [stderr] 29 |     static mut counter: i32 = 0;
Dec 19 06:55:51.520 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:55:51.520 INFO [stderr]    |
Dec 19 06:55:51.520 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 19 06:55:51.520 INFO [stderr] 
Dec 19 06:55:51.528 INFO [stderr] warning: static variable `counter` should have an upper case name such as `COUNTER`
Dec 19 06:55:51.528 INFO [stderr]   --> src/main.rs:29:5
Dec 19 06:55:51.528 INFO [stderr]    |
Dec 19 06:55:51.528 INFO [stderr] 29 |     static mut counter: i32 = 0;
Dec 19 06:55:51.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:55:51.528 INFO [stderr]    |
Dec 19 06:55:51.528 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Dec 19 06:55:51.528 INFO [stderr] 
Dec 19 06:55:51.566 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 19 06:55:52.282 INFO running `"docker" "inspect" "b06cacff3887517c6456b17d96aa83aeba2e8ed0b2d53f55ec2bfc04065ffcd6"`
Dec 19 06:55:52.502 INFO running `"docker" "rm" "-f" "b06cacff3887517c6456b17d96aa83aeba2e8ed0b2d53f55ec2bfc04065ffcd6"`
Dec 19 06:55:52.771 INFO [stdout] b06cacff3887517c6456b17d96aa83aeba2e8ed0b2d53f55ec2bfc04065ffcd6