Nov 27 18:29:48.599 INFO checking tomasz-pankowski/rust-class-ps1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 18:29:48.599 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 27 18:29:49.118 INFO [stdout] 33ac3db8d6827f8b4c65d2e4325d294f4f0d7fc812cfa7250bf78ba031753c8a
Nov 27 18:29:49.119 INFO running `"docker" "start" "-a" "33ac3db8d6827f8b4c65d2e4325d294f4f0d7fc812cfa7250bf78ba031753c8a"`
Nov 27 18:29:50.392 INFO [stderr] usermod: no changes
Nov 27 18:29:50.436 INFO [stderr]     Checking ps1 v0.0.1 (/source)
Nov 27 18:29:50.732 INFO [stderr] warning: unused variable: `why`
Nov 27 18:29:50.732 INFO [stderr]   --> src/main.rs:57:32
Nov 27 18:29:50.732 INFO [stderr]    |
Nov 27 18:29:50.732 INFO [stderr] 57 |                                     Err(why) => panic!("couldn't open"),
Nov 27 18:29:50.732 INFO [stderr]    |                                         ^^^ help: consider using `_why` instead
Nov 27 18:29:50.732 INFO [stderr]    |
Nov 27 18:29:50.732 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 18:29:50.732 INFO [stderr] 
Nov 27 18:29:50.732 INFO [stderr] warning: unused variable: `why`
Nov 27 18:29:50.732 INFO [stderr]   --> src/main.rs:62:13
Nov 27 18:29:50.732 INFO [stderr]    |
Nov 27 18:29:50.732 INFO [stderr] 62 |                                 Err(why) => panic!("couldn't read "),
Nov 27 18:29:50.732 INFO [stderr]    |                                     ^^^ help: consider using `_why` instead
Nov 27 18:29:50.732 INFO [stderr] 
Nov 27 18:29:50.732 INFO [stderr] warning: variable `response_default` is assigned to, but never used
Nov 27 18:29:50.732 INFO [stderr]   --> src/main.rs:72:10
Nov 27 18:29:50.733 INFO [stderr]    |
Nov 27 18:29:50.733 INFO [stderr] 72 |                     let response_default;
Nov 27 18:29:50.733 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Nov 27 18:29:50.733 INFO [stderr]    |
Nov 27 18:29:50.733 INFO [stderr]    = note: consider using `_response_default` instead
Nov 27 18:29:50.733 INFO [stderr] 
Nov 27 18:29:50.733 INFO [stderr] warning: value assigned to `response_default` is never read
Nov 27 18:29:50.733 INFO [stderr]   --> src/main.rs:74:7
Nov 27 18:29:50.733 INFO [stderr]    |
Nov 27 18:29:50.733 INFO [stderr] 74 |                         response_default =format!(
Nov 27 18:29:50.733 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Nov 27 18:29:50.733 INFO [stderr]    |
Nov 27 18:29:50.733 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 27 18:29:50.733 INFO [stderr] 
Nov 27 18:29:50.776 INFO [stderr] warning: static variable `counter` should have an upper case name such as `COUNTER`
Nov 27 18:29:50.776 INFO [stderr]   --> src/main.rs:29:5
Nov 27 18:29:50.776 INFO [stderr]    |
Nov 27 18:29:50.776 INFO [stderr] 29 |     static mut counter: i32 = 0;
Nov 27 18:29:50.776 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:29:50.776 INFO [stderr]    |
Nov 27 18:29:50.776 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Nov 27 18:29:50.776 INFO [stderr] 
Nov 27 18:29:50.836 INFO [stderr] warning: unused variable: `why`
Nov 27 18:29:50.836 INFO [stderr]   --> src/main.rs:57:32
Nov 27 18:29:50.836 INFO [stderr]    |
Nov 27 18:29:50.836 INFO [stderr] 57 |                                     Err(why) => panic!("couldn't open"),
Nov 27 18:29:50.836 INFO [stderr]    |                                         ^^^ help: consider using `_why` instead
Nov 27 18:29:50.836 INFO [stderr]    |
Nov 27 18:29:50.836 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 18:29:50.836 INFO [stderr] 
Nov 27 18:29:50.836 INFO [stderr] warning: unused variable: `why`
Nov 27 18:29:50.836 INFO [stderr]   --> src/main.rs:62:13
Nov 27 18:29:50.836 INFO [stderr]    |
Nov 27 18:29:50.836 INFO [stderr] 62 |                                 Err(why) => panic!("couldn't read "),
Nov 27 18:29:50.836 INFO [stderr]    |                                     ^^^ help: consider using `_why` instead
Nov 27 18:29:50.836 INFO [stderr] 
Nov 27 18:29:50.836 INFO [stderr] warning: variable `response_default` is assigned to, but never used
Nov 27 18:29:50.836 INFO [stderr]   --> src/main.rs:72:10
Nov 27 18:29:50.836 INFO [stderr]    |
Nov 27 18:29:50.836 INFO [stderr] 72 |                     let response_default;
Nov 27 18:29:50.836 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Nov 27 18:29:50.836 INFO [stderr]    |
Nov 27 18:29:50.836 INFO [stderr]    = note: consider using `_response_default` instead
Nov 27 18:29:50.836 INFO [stderr] 
Nov 27 18:29:50.836 INFO [stderr] warning: value assigned to `response_default` is never read
Nov 27 18:29:50.836 INFO [stderr]   --> src/main.rs:74:7
Nov 27 18:29:50.837 INFO [stderr]    |
Nov 27 18:29:50.837 INFO [stderr] 74 |                         response_default =format!(
Nov 27 18:29:50.837 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^
Nov 27 18:29:50.837 INFO [stderr]    |
Nov 27 18:29:50.837 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 27 18:29:50.837 INFO [stderr] 
Nov 27 18:29:50.860 INFO [stderr] warning: static variable `counter` should have an upper case name such as `COUNTER`
Nov 27 18:29:50.860 INFO [stderr]   --> src/main.rs:29:5
Nov 27 18:29:50.860 INFO [stderr]    |
Nov 27 18:29:50.860 INFO [stderr] 29 |     static mut counter: i32 = 0;
Nov 27 18:29:50.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 18:29:50.860 INFO [stderr]    |
Nov 27 18:29:50.860 INFO [stderr]    = note: #[warn(non_upper_case_globals)] on by default
Nov 27 18:29:50.860 INFO [stderr] 
Nov 27 18:29:50.927 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Nov 27 18:29:50.927 INFO [stderr] su: No module specific data is present
Nov 27 18:29:51.503 INFO running `"docker" "inspect" "33ac3db8d6827f8b4c65d2e4325d294f4f0d7fc812cfa7250bf78ba031753c8a"`
Nov 27 18:29:51.857 INFO running `"docker" "rm" "-f" "33ac3db8d6827f8b4c65d2e4325d294f4f0d7fc812cfa7250bf78ba031753c8a"`
Nov 27 18:29:52.212 INFO [stdout] 33ac3db8d6827f8b4c65d2e4325d294f4f0d7fc812cfa7250bf78ba031753c8a