Dec 18 06:13:56.711 INFO checking Niedzwiedzw/dummy-i2c-rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:13:56.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Niedzwiedzw/dummy-i2c-rust:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:13:56.860 INFO [stdout] b0c0ceee51727bffc1ff345cba9645fd0e61d43140c596617726a9efaaed078d
Dec 18 06:13:56.862 INFO running `"docker" "start" "-a" "b0c0ceee51727bffc1ff345cba9645fd0e61d43140c596617726a9efaaed078d"`
Dec 18 06:13:57.531 INFO [stderr]     Checking i2cdummy v0.1.0 (/opt/crater/workdir)
Dec 18 06:13:57.769 INFO [stderr] warning: variable `portb` is assigned to, but never used
Dec 18 06:13:57.769 INFO [stderr]    --> src/main.rs:100:9
Dec 18 06:13:57.769 INFO [stderr]     |
Dec 18 06:13:57.769 INFO [stderr] 100 |     let portb: *mut u8;
Dec 18 06:13:57.769 INFO [stderr]     |         ^^^^^
Dec 18 06:13:57.769 INFO [stderr]     |
Dec 18 06:13:57.769 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 06:13:57.769 INFO [stderr]     = note: consider using `_portb` instead
Dec 18 06:13:57.769 INFO [stderr] 
Dec 18 06:13:57.769 INFO [stderr] warning: value assigned to `portb` is never read
Dec 18 06:13:57.769 INFO [stderr]    --> src/main.rs:101:14
Dec 18 06:13:57.769 INFO [stderr]     |
Dec 18 06:13:57.769 INFO [stderr] 101 |     unsafe { portb = &mut PORTB as *mut u8; };
Dec 18 06:13:57.769 INFO [stderr]     |              ^^^^^
Dec 18 06:13:57.769 INFO [stderr]     |
Dec 18 06:13:57.769 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 18 06:13:57.769 INFO [stderr] 
Dec 18 06:13:57.769 INFO [stderr] warning: variable `portb` is assigned to, but never used
Dec 18 06:13:57.769 INFO [stderr]    --> src/main.rs:121:9
Dec 18 06:13:57.769 INFO [stderr]     |
Dec 18 06:13:57.769 INFO [stderr] 121 |     let portb: *mut u8;
Dec 18 06:13:57.769 INFO [stderr]     |         ^^^^^
Dec 18 06:13:57.769 INFO [stderr]     |
Dec 18 06:13:57.769 INFO [stderr]     = note: consider using `_portb` instead
Dec 18 06:13:57.769 INFO [stderr] 
Dec 18 06:13:57.769 INFO [stderr] warning: value assigned to `portb` is never read
Dec 18 06:13:57.769 INFO [stderr]    --> src/main.rs:122:14
Dec 18 06:13:57.769 INFO [stderr]     |
Dec 18 06:13:57.769 INFO [stderr] 122 |     unsafe { portb = &mut PORTB as *mut u8; };
Dec 18 06:13:57.769 INFO [stderr]     |              ^^^^^
Dec 18 06:13:57.769 INFO [stderr] 
Dec 18 06:13:57.780 INFO [stderr] warning: literal out of range for u8
Dec 18 06:13:57.780 INFO [stderr]  --> src/main.rs:9:18
Dec 18 06:13:57.780 INFO [stderr]   |
Dec 18 06:13:57.780 INFO [stderr] 9 | const TICK: u8 = 500;  // in milliseconds
Dec 18 06:13:57.780 INFO [stderr]   |                  ^^^
Dec 18 06:13:57.780 INFO [stderr]   |
Dec 18 06:13:57.780 INFO [stderr]   = note: #[warn(overflowing_literals)] on by default
Dec 18 06:13:57.780 INFO [stderr] 
Dec 18 06:13:57.787 INFO [stderr] warning: variable `portb` is assigned to, but never used
Dec 18 06:13:57.787 INFO [stderr]    --> src/main.rs:100:9
Dec 18 06:13:57.787 INFO [stderr]     |
Dec 18 06:13:57.787 INFO [stderr] 100 |     let portb: *mut u8;
Dec 18 06:13:57.787 INFO [stderr]     |         ^^^^^
Dec 18 06:13:57.788 INFO [stderr]     |
Dec 18 06:13:57.788 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 06:13:57.788 INFO [stderr]     = note: consider using `_portb` instead
Dec 18 06:13:57.788 INFO [stderr] 
Dec 18 06:13:57.788 INFO [stderr] warning: value assigned to `portb` is never read
Dec 18 06:13:57.788 INFO [stderr]    --> src/main.rs:101:14
Dec 18 06:13:57.788 INFO [stderr]     |
Dec 18 06:13:57.788 INFO [stderr] 101 |     unsafe { portb = &mut PORTB as *mut u8; };
Dec 18 06:13:57.788 INFO [stderr]     |              ^^^^^
Dec 18 06:13:57.788 INFO [stderr]     |
Dec 18 06:13:57.788 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 18 06:13:57.788 INFO [stderr] 
Dec 18 06:13:57.792 INFO [stderr] warning: variable `portb` is assigned to, but never used
Dec 18 06:13:57.792 INFO [stderr]    --> src/main.rs:121:9
Dec 18 06:13:57.792 INFO [stderr]     |
Dec 18 06:13:57.792 INFO [stderr] 121 |     let portb: *mut u8;
Dec 18 06:13:57.792 INFO [stderr]     |         ^^^^^
Dec 18 06:13:57.792 INFO [stderr]     |
Dec 18 06:13:57.792 INFO [stderr]     = note: consider using `_portb` instead
Dec 18 06:13:57.792 INFO [stderr] 
Dec 18 06:13:57.792 INFO [stderr] warning: value assigned to `portb` is never read
Dec 18 06:13:57.792 INFO [stderr]    --> src/main.rs:122:14
Dec 18 06:13:57.792 INFO [stderr]     |
Dec 18 06:13:57.792 INFO [stderr] 122 |     unsafe { portb = &mut PORTB as *mut u8; };
Dec 18 06:13:57.792 INFO [stderr]     |              ^^^^^
Dec 18 06:13:57.792 INFO [stderr] 
Dec 18 06:13:57.801 INFO [stderr] warning: literal out of range for u8
Dec 18 06:13:57.803 INFO [stderr]  --> src/main.rs:9:18
Dec 18 06:13:57.803 INFO [stderr]   |
Dec 18 06:13:57.803 INFO [stderr] 9 | const TICK: u8 = 500;  // in milliseconds
Dec 18 06:13:57.803 INFO [stderr]   |                  ^^^
Dec 18 06:13:57.803 INFO [stderr]   |
Dec 18 06:13:57.803 INFO [stderr]   = note: #[warn(overflowing_literals)] on by default
Dec 18 06:13:57.803 INFO [stderr] 
Dec 18 06:13:57.832 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Dec 18 06:13:58.102 INFO running `"docker" "inspect" "b0c0ceee51727bffc1ff345cba9645fd0e61d43140c596617726a9efaaed078d"`
Dec 18 06:13:58.211 INFO running `"docker" "rm" "-f" "b0c0ceee51727bffc1ff345cba9645fd0e61d43140c596617726a9efaaed078d"`
Dec 18 06:13:58.340 INFO [stdout] b0c0ceee51727bffc1ff345cba9645fd0e61d43140c596617726a9efaaed078d