Dec 18 07:35:58.469 INFO checking FreeFull/ngaro-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:35:58.469 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/FreeFull/ngaro-rs:/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 07:35:58.936 INFO [stdout] f8b574d449ea31d1ab08c04100c534180ee38f5bc1c96b767100226c3ff3d0ab
Dec 18 07:35:58.942 INFO running `"docker" "start" "-a" "f8b574d449ea31d1ab08c04100c534180ee38f5bc1c96b767100226c3ff3d0ab"`
Dec 18 07:35:59.988 INFO [stderr]     Checking docopt v0.8.3
Dec 18 07:36:01.624 INFO [stderr]     Checking ngaro-rs v0.0.2 (/opt/crater/workdir)
Dec 18 07:36:02.888 INFO [stderr] warning: unreachable expression
Dec 18 07:36:02.888 INFO [stderr]    --> src/cpu.rs:20:21
Dec 18 07:36:02.888 INFO [stderr]     |
Dec 18 07:36:02.888 INFO [stderr] 20  |             None => return $rval,
Dec 18 07:36:02.888 INFO [stderr]     |                     ^^^^^^
Dec 18 07:36:02.888 INFO [stderr] ...
Dec 18 07:36:02.888 INFO [stderr] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
Dec 18 07:36:02.888 INFO [stderr]     |                   --------------------------------------------------------- in this macro invocation
Dec 18 07:36:02.888 INFO [stderr]     |
Dec 18 07:36:02.888 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 18 07:36:02.888 INFO [stderr] 
Dec 18 07:36:03.024 INFO [stderr] warning: variant is never constructed: `Empty`
Dec 18 07:36:03.024 INFO [stderr]    --> src/cpu.rs:291:5
Dec 18 07:36:03.024 INFO [stderr]     |
Dec 18 07:36:03.024 INFO [stderr] 291 |     Empty,
Dec 18 07:36:03.024 INFO [stderr]     |     ^^^^^
Dec 18 07:36:03.024 INFO [stderr]     |
Dec 18 07:36:03.024 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 07:36:03.024 INFO [stderr] 
Dec 18 07:36:03.136 INFO [stderr] warning: unreachable expression
Dec 18 07:36:03.136 INFO [stderr]    --> src/cpu.rs:20:21
Dec 18 07:36:03.136 INFO [stderr]     |
Dec 18 07:36:03.136 INFO [stderr] 20  |             None => return $rval,
Dec 18 07:36:03.136 INFO [stderr]     |                     ^^^^^^
Dec 18 07:36:03.136 INFO [stderr] ...
Dec 18 07:36:03.136 INFO [stderr] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
Dec 18 07:36:03.136 INFO [stderr]     |                   --------------------------------------------------------- in this macro invocation
Dec 18 07:36:03.136 INFO [stderr]     |
Dec 18 07:36:03.136 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 18 07:36:03.136 INFO [stderr] 
Dec 18 07:36:03.244 INFO [stderr] warning: variant is never constructed: `Empty`
Dec 18 07:36:03.244 INFO [stderr]    --> src/cpu.rs:291:5
Dec 18 07:36:03.244 INFO [stderr]     |
Dec 18 07:36:03.244 INFO [stderr] 291 |     Empty,
Dec 18 07:36:03.244 INFO [stderr]     |     ^^^^^
Dec 18 07:36:03.244 INFO [stderr]     |
Dec 18 07:36:03.244 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 07:36:03.244 INFO [stderr] 
Dec 18 07:36:03.272 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
Dec 18 07:36:04.169 INFO running `"docker" "inspect" "f8b574d449ea31d1ab08c04100c534180ee38f5bc1c96b767100226c3ff3d0ab"`
Dec 18 07:36:04.472 INFO running `"docker" "rm" "-f" "f8b574d449ea31d1ab08c04100c534180ee38f5bc1c96b767100226c3ff3d0ab"`
Dec 18 07:36:04.672 INFO [stdout] f8b574d449ea31d1ab08c04100c534180ee38f5bc1c96b767100226c3ff3d0ab