Nov 29 16:20:50.281 INFO checking tomasz-pankowski/rust-class-ps1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 16:20:50.281 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 29 16:20:50.814 INFO [stdout] 0ca66a036645c115682c5fc7b3d5b8bb9938ff314cc7f6cc684dfd10ba7014aa
Nov 29 16:20:50.818 INFO running `"docker" "start" "-a" "0ca66a036645c115682c5fc7b3d5b8bb9938ff314cc7f6cc684dfd10ba7014aa"`
Nov 29 16:20:52.503 INFO [stderr] usermod: no changes
Nov 29 16:20:52.592 INFO [stderr]     Checking ps1 v0.0.1 (/source)
Nov 29 16:20:52.980 INFO [stderr] warning: unused variable: `why`
Nov 29 16:20:52.980 INFO [stderr]   --> src/main.rs:57:32
Nov 29 16:20:52.980 INFO [stderr]    |
Nov 29 16:20:52.980 INFO [stderr] 57 |                                     Err(why) => panic!("couldn't open"),
Nov 29 16:20:52.980 INFO [stderr]    |                                         ^^^ help: consider using `_why` instead
Nov 29 16:20:52.980 INFO [stderr]    |
Nov 29 16:20:52.980 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 16:20:52.980 INFO [stderr] 
Nov 29 16:20:52.980 INFO [stderr] warning: unused variable: `why`
Nov 29 16:20:52.980 INFO [stderr]   --> src/main.rs:62:13
Nov 29 16:20:52.980 INFO [stderr]    |
Nov 29 16:20:52.980 INFO [stderr] 62 |                                 Err(why) => panic!("couldn't read "),
Nov 29 16:20:52.980 INFO [stderr]    |                                     ^^^ help: consider using `_why` instead
Nov 29 16:20:52.980 INFO [stderr] 
Nov 29 16:20:52.980 INFO [stderr] warning: variable `response_default` is assigned to, but never used
Nov 29 16:20:52.980 INFO [stderr]   --> src/main.rs:72:10
Nov 29 16:20:52.980 INFO [stderr]    |
Nov 29 16:20:52.980 INFO [stderr] 72 |                     let response_default;
Nov 29 16:20:52.980 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Nov 29 16:20:52.980 INFO [stderr]    |
Nov 29 16:20:52.980 INFO [stderr]    = note: consider using `_response_default` instead
Nov 29 16:20:52.980 INFO [stderr] 
Nov 29 16:20:52.981 INFO [stderr] warning: value assigned to `response_default` is never read
Nov 29 16:20:52.981 INFO [stderr]   --> src/main.rs:74:7
Nov 29 16:20:52.981 INFO [stderr]    |
Nov 29 16:20:52.981 INFO [stderr] 74 |                         response_default =format!(
Nov 29 16:20:52.981 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Nov 29 16:20:52.981 INFO [stderr]    |
Nov 29 16:20:52.981 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 29 16:20:52.981 INFO [stderr] 
Nov 29 16:20:52.996 INFO [stderr] warning: unused variable: `why`
Nov 29 16:20:52.996 INFO [stderr]   --> src/main.rs:57:32
Nov 29 16:20:52.996 INFO [stderr]    |
Nov 29 16:20:52.996 INFO [stderr] 57 |                                     Err(why) => panic!("couldn't open"),
Nov 29 16:20:52.996 INFO [stderr]    |                                         ^^^ help: consider using `_why` instead
Nov 29 16:20:52.996 INFO [stderr]    |
Nov 29 16:20:52.996 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 16:20:52.996 INFO [stderr] 
Nov 29 16:20:52.996 INFO [stderr] warning: unused variable: `why`
Nov 29 16:20:52.996 INFO [stderr]   --> src/main.rs:62:13
Nov 29 16:20:52.996 INFO [stderr]    |
Nov 29 16:20:52.996 INFO [stderr] 62 |                                 Err(why) => panic!("couldn't read "),
Nov 29 16:20:52.996 INFO [stderr]    |                                     ^^^ help: consider using `_why` instead
Nov 29 16:20:52.996 INFO [stderr] 
Nov 29 16:20:52.996 INFO [stderr] warning: variable `response_default` is assigned to, but never used
Nov 29 16:20:52.996 INFO [stderr]   --> src/main.rs:72:10
Nov 29 16:20:52.996 INFO [stderr]    |
Nov 29 16:20:52.996 INFO [stderr] 72 |                     let response_default;
Nov 29 16:20:52.996 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Nov 29 16:20:52.996 INFO [stderr]    |
Nov 29 16:20:52.996 INFO [stderr]    = note: consider using `_response_default` instead
Nov 29 16:20:52.996 INFO [stderr] 
Nov 29 16:20:52.996 INFO [stderr] warning: value assigned to `response_default` is never read
Nov 29 16:20:52.996 INFO [stderr]   --> src/main.rs:74:7
Nov 29 16:20:52.997 INFO [stderr]    |
Nov 29 16:20:52.997 INFO [stderr] 74 |                         response_default =format!(
Nov 29 16:20:52.997 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Nov 29 16:20:52.997 INFO [stderr]    |
Nov 29 16:20:52.997 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 29 16:20:52.997 INFO [stderr] 
Nov 29 16:20:52.997 INFO [stderr] warning: static variable `counter` should have an upper case name such as `COUNTER`
Nov 29 16:20:52.997 INFO [stderr]   --> src/main.rs:29:5
Nov 29 16:20:52.997 INFO [stderr]    |
Nov 29 16:20:52.997 INFO [stderr] 29 |     static mut counter: i32 = 0;
Nov 29 16:20:52.997 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:20:52.997 INFO [stderr]    |
Nov 29 16:20:52.997 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Nov 29 16:20:52.997 INFO [stderr] 
Nov 29 16:20:53.020 INFO [stderr] warning: static variable `counter` should have an upper case name such as `COUNTER`
Nov 29 16:20:53.020 INFO [stderr]   --> src/main.rs:29:5
Nov 29 16:20:53.020 INFO [stderr]    |
Nov 29 16:20:53.020 INFO [stderr] 29 |     static mut counter: i32 = 0;
Nov 29 16:20:53.020 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:20:53.020 INFO [stderr]    |
Nov 29 16:20:53.020 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Nov 29 16:20:53.020 INFO [stderr] 
Nov 29 16:20:53.044 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Nov 29 16:20:53.048 INFO [stderr] su: No module specific data is present
Nov 29 16:20:54.058 INFO running `"docker" "inspect" "0ca66a036645c115682c5fc7b3d5b8bb9938ff314cc7f6cc684dfd10ba7014aa"`
Nov 29 16:20:54.342 INFO running `"docker" "rm" "-f" "0ca66a036645c115682c5fc7b3d5b8bb9938ff314cc7f6cc684dfd10ba7014aa"`
Nov 29 16:20:54.656 INFO [stdout] 0ca66a036645c115682c5fc7b3d5b8bb9938ff314cc7f6cc684dfd10ba7014aa