Oct 12 12:00:48.149 INFO checking tomasz-pankowski/rust-class-ps1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 12:00:48.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 12:00:48.780 INFO blam! f3e86550fe2367662b096ea697a9146fe74c56a756ad4e7e7ac8abcb4c0c79e4
Oct 12 12:00:48.781 INFO running `"docker" "start" "-a" "f3e86550fe2367662b096ea697a9146fe74c56a756ad4e7e7ac8abcb4c0c79e4"`
Oct 12 12:00:50.131 INFO kablam! usermod: no changes
Oct 12 12:00:50.188 INFO kablam!     Checking ps1 v0.0.1 (/source)
Oct 12 12:00:50.488 INFO kablam! warning: unused variable: `why`
Oct 12 12:00:50.488 INFO kablam!   --> src/main.rs:57:32
Oct 12 12:00:50.488 INFO kablam!    |
Oct 12 12:00:50.488 INFO kablam! 57 |                                     Err(why) => panic!("couldn't open"),
Oct 12 12:00:50.488 INFO kablam!    |                                         ^^^ help: consider using `_why` instead
Oct 12 12:00:50.488 INFO kablam!    |
Oct 12 12:00:50.488 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 12:00:50.488 INFO kablam! 
Oct 12 12:00:50.488 INFO kablam! warning: unused variable: `why`
Oct 12 12:00:50.488 INFO kablam!   --> src/main.rs:62:13
Oct 12 12:00:50.488 INFO kablam!    |
Oct 12 12:00:50.488 INFO kablam! 62 |                                 Err(why) => panic!("couldn't read "),
Oct 12 12:00:50.488 INFO kablam!    |                                     ^^^ help: consider using `_why` instead
Oct 12 12:00:50.488 INFO kablam! 
Oct 12 12:00:50.488 INFO kablam! warning: variable `response_default` is assigned to, but never used
Oct 12 12:00:50.488 INFO kablam!   --> src/main.rs:72:10
Oct 12 12:00:50.488 INFO kablam!    |
Oct 12 12:00:50.488 INFO kablam! 72 |                     let response_default;
Oct 12 12:00:50.488 INFO kablam!    |                         ^^^^^^^^^^^^^^^^
Oct 12 12:00:50.488 INFO kablam!    |
Oct 12 12:00:50.488 INFO kablam!    = note: consider using `_response_default` instead
Oct 12 12:00:50.489 INFO kablam! 
Oct 12 12:00:50.489 INFO kablam! warning: value assigned to `response_default` is never read
Oct 12 12:00:50.489 INFO kablam!   --> src/main.rs:74:7
Oct 12 12:00:50.489 INFO kablam!    |
Oct 12 12:00:50.489 INFO kablam! 74 |                         response_default =format!(
Oct 12 12:00:50.489 INFO kablam!    |                         ^^^^^^^^^^^^^^^^
Oct 12 12:00:50.489 INFO kablam!    |
Oct 12 12:00:50.489 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 12:00:50.489 INFO kablam! 
Oct 12 12:00:50.504 INFO kablam! warning: static variable `counter` should have an upper case name such as `COUNTER`
Oct 12 12:00:50.504 INFO kablam!   --> src/main.rs:29:5
Oct 12 12:00:50.504 INFO kablam!    |
Oct 12 12:00:50.504 INFO kablam! 29 |     static mut counter: i32 = 0;
Oct 12 12:00:50.504 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:00:50.504 INFO kablam!    |
Oct 12 12:00:50.504 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Oct 12 12:00:50.504 INFO kablam! 
Oct 12 12:00:50.544 INFO kablam! warning: unused variable: `why`
Oct 12 12:00:50.544 INFO kablam!   --> src/main.rs:57:32
Oct 12 12:00:50.544 INFO kablam!    |
Oct 12 12:00:50.544 INFO kablam! 57 |                                     Err(why) => panic!("couldn't open"),
Oct 12 12:00:50.544 INFO kablam!    |                                         ^^^ help: consider using `_why` instead
Oct 12 12:00:50.544 INFO kablam!    |
Oct 12 12:00:50.544 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 12:00:50.544 INFO kablam! 
Oct 12 12:00:50.544 INFO kablam! warning: unused variable: `why`
Oct 12 12:00:50.544 INFO kablam!   --> src/main.rs:62:13
Oct 12 12:00:50.544 INFO kablam!    |
Oct 12 12:00:50.544 INFO kablam! 62 |                                 Err(why) => panic!("couldn't read "),
Oct 12 12:00:50.544 INFO kablam!    |                                     ^^^ help: consider using `_why` instead
Oct 12 12:00:50.544 INFO kablam! 
Oct 12 12:00:50.544 INFO kablam! warning: variable `response_default` is assigned to, but never used
Oct 12 12:00:50.544 INFO kablam!   --> src/main.rs:72:10
Oct 12 12:00:50.544 INFO kablam!    |
Oct 12 12:00:50.544 INFO kablam! 72 |                     let response_default;
Oct 12 12:00:50.544 INFO kablam!    |                         ^^^^^^^^^^^^^^^^
Oct 12 12:00:50.544 INFO kablam!    |
Oct 12 12:00:50.544 INFO kablam!    = note: consider using `_response_default` instead
Oct 12 12:00:50.545 INFO kablam! 
Oct 12 12:00:50.545 INFO kablam! warning: value assigned to `response_default` is never read
Oct 12 12:00:50.545 INFO kablam!   --> src/main.rs:74:7
Oct 12 12:00:50.545 INFO kablam!    |
Oct 12 12:00:50.545 INFO kablam! 74 |                         response_default =format!(
Oct 12 12:00:50.545 INFO kablam!    |                         ^^^^^^^^^^^^^^^^
Oct 12 12:00:50.545 INFO kablam!    |
Oct 12 12:00:50.545 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 12:00:50.545 INFO kablam! 
Oct 12 12:00:50.564 INFO kablam! warning: static variable `counter` should have an upper case name such as `COUNTER`
Oct 12 12:00:50.564 INFO kablam!   --> src/main.rs:29:5
Oct 12 12:00:50.564 INFO kablam!    |
Oct 12 12:00:50.564 INFO kablam! 29 |     static mut counter: i32 = 0;
Oct 12 12:00:50.564 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 12:00:50.564 INFO kablam!    |
Oct 12 12:00:50.564 INFO kablam!    = note: #[warn(non_upper_case_globals)] on by default
Oct 12 12:00:50.564 INFO kablam! 
Oct 12 12:00:50.588 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Oct 12 12:00:50.591 INFO kablam! su: No module specific data is present
Oct 12 12:00:51.484 INFO running `"docker" "rm" "-f" "f3e86550fe2367662b096ea697a9146fe74c56a756ad4e7e7ac8abcb4c0c79e4"`
Oct 12 12:00:51.800 INFO blam! f3e86550fe2367662b096ea697a9146fe74c56a756ad4e7e7ac8abcb4c0c79e4