Dec 19 05:30:58.876 INFO checking wimpykid26/rust-examples against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:30:58.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/wimpykid26/rust-examples:/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 05:30:59.318 INFO [stdout] ec877a82f6d1e1dd91e479c61961b3366199c0975bc1ebf2b6328955de15b184
Dec 19 05:30:59.324 INFO running `"docker" "start" "-a" "ec877a82f6d1e1dd91e479c61961b3366199c0975bc1ebf2b6328955de15b184"`
Dec 19 05:31:01.577 INFO [stderr]     Checking rust-examples v0.1.0 (/opt/crater/workdir)
Dec 19 05:31:01.865 INFO [stderr] warning: unreachable statement
Dec 19 05:31:01.865 INFO [stderr]   --> src/expressions/loops.rs:27:9
Dec 19 05:31:01.865 INFO [stderr]    |
Dec 19 05:31:01.865 INFO [stderr] 27 |         println!("This point will never be reached");
Dec 19 05:31:01.865 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:01.865 INFO [stderr]    |
Dec 19 05:31:01.872 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 19 05:31:01.872 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 05:31:01.872 INFO [stderr] 
Dec 19 05:31:01.916 INFO [stderr] warning: unreachable statement
Dec 19 05:31:01.916 INFO [stderr]   --> src/expressions/loops.rs:27:9
Dec 19 05:31:01.916 INFO [stderr]    |
Dec 19 05:31:01.916 INFO [stderr] 27 |         println!("This point will never be reached");
Dec 19 05:31:01.916 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:31:01.917 INFO [stderr]    |
Dec 19 05:31:01.917 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 19 05:31:01.917 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 05:31:01.917 INFO [stderr] 
Dec 19 05:31:01.964 INFO [stderr] warning: unreachable pattern
Dec 19 05:31:01.964 INFO [stderr]   --> src/expressions/match_cases.rs:77:9
Dec 19 05:31:01.964 INFO [stderr]    |
Dec 19 05:31:01.964 INFO [stderr] 77 |         1 | 2 | 3 => println!("This is either 1, 2 or 3"),
Dec 19 05:31:01.964 INFO [stderr]    |         ^
Dec 19 05:31:01.964 INFO [stderr]    |
Dec 19 05:31:01.964 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 19 05:31:01.965 INFO [stderr] 
Dec 19 05:31:01.965 INFO [stderr] warning: unused variable: `reference`
Dec 19 05:31:01.965 INFO [stderr]   --> src/expressions/match_cases.rs:32:13
Dec 19 05:31:01.965 INFO [stderr]    |
Dec 19 05:31:01.965 INFO [stderr] 32 |     let ref reference = 5;
Dec 19 05:31:01.965 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 19 05:31:01.965 INFO [stderr]    |
Dec 19 05:31:01.965 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 05:31:01.965 INFO [stderr] 
Dec 19 05:31:02.018 INFO [stderr] warning: unreachable pattern
Dec 19 05:31:02.018 INFO [stderr]   --> src/expressions/match_cases.rs:77:9
Dec 19 05:31:02.018 INFO [stderr]    |
Dec 19 05:31:02.018 INFO [stderr] 77 |         1 | 2 | 3 => println!("This is either 1, 2 or 3"),
Dec 19 05:31:02.018 INFO [stderr]    |         ^
Dec 19 05:31:02.018 INFO [stderr]    |
Dec 19 05:31:02.018 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 19 05:31:02.018 INFO [stderr] 
Dec 19 05:31:02.019 INFO [stderr] warning: unused variable: `reference`
Dec 19 05:31:02.019 INFO [stderr]   --> src/expressions/match_cases.rs:32:13
Dec 19 05:31:02.019 INFO [stderr]    |
Dec 19 05:31:02.019 INFO [stderr] 32 |     let ref reference = 5;
Dec 19 05:31:02.019 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 19 05:31:02.019 INFO [stderr]    |
Dec 19 05:31:02.019 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 05:31:02.019 INFO [stderr] 
Dec 19 05:31:02.428 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Dec 19 05:31:03.538 INFO running `"docker" "inspect" "ec877a82f6d1e1dd91e479c61961b3366199c0975bc1ebf2b6328955de15b184"`
Dec 19 05:31:03.780 INFO running `"docker" "rm" "-f" "ec877a82f6d1e1dd91e479c61961b3366199c0975bc1ebf2b6328955de15b184"`
Dec 19 05:31:04.040 INFO [stdout] ec877a82f6d1e1dd91e479c61961b3366199c0975bc1ebf2b6328955de15b184