Dec 18 07:35:50.780 INFO checking FreeFull/ngaro-rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:35:50.780 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:35:51.027 INFO [stdout] 631fc6548a272beea5368ff9782ffd8b40a99cfb9749936033a5f63a8dfdfc98
Dec 18 07:35:51.029 INFO running `"docker" "start" "-a" "631fc6548a272beea5368ff9782ffd8b40a99cfb9749936033a5f63a8dfdfc98"`
Dec 18 07:35:51.759 INFO [stderr]     Checking termion v1.5.1
Dec 18 07:35:51.780 INFO [stderr]     Checking docopt v0.8.3
Dec 18 07:35:53.429 INFO [stderr]     Checking ngaro-rs v0.0.2 (/opt/crater/workdir)
Dec 18 07:35:56.204 INFO [stderr] warning: unreachable expression
Dec 18 07:35:56.204 INFO [stderr]    --> src/cpu.rs:20:21
Dec 18 07:35:56.204 INFO [stderr]     |
Dec 18 07:35:56.204 INFO [stderr] 20  |             None => return $rval,
Dec 18 07:35:56.204 INFO [stderr]     |                     ^^^^^^
Dec 18 07:35:56.204 INFO [stderr] ...
Dec 18 07:35:56.204 INFO [stderr] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
Dec 18 07:35:56.204 INFO [stderr]     |                   --------------------------------------------------------- in this macro invocation
Dec 18 07:35:56.204 INFO [stderr]     |
Dec 18 07:35:56.204 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 18 07:35:56.204 INFO [stderr] 
Dec 18 07:35:56.212 INFO [stderr] warning: unreachable expression
Dec 18 07:35:56.212 INFO [stderr]    --> src/cpu.rs:20:21
Dec 18 07:35:56.212 INFO [stderr]     |
Dec 18 07:35:56.212 INFO [stderr] 20  |             None => return $rval,
Dec 18 07:35:56.212 INFO [stderr]     |                     ^^^^^^
Dec 18 07:35:56.212 INFO [stderr] ...
Dec 18 07:35:56.212 INFO [stderr] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
Dec 18 07:35:56.212 INFO [stderr]     |                   --------------------------------------------------------- in this macro invocation
Dec 18 07:35:56.212 INFO [stderr]     |
Dec 18 07:35:56.212 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 18 07:35:56.212 INFO [stderr] 
Dec 18 07:35:56.296 INFO [stderr] warning: variant is never constructed: `Empty`
Dec 18 07:35:56.296 INFO [stderr]    --> src/cpu.rs:291:5
Dec 18 07:35:56.296 INFO [stderr]     |
Dec 18 07:35:56.296 INFO [stderr] 291 |     Empty,
Dec 18 07:35:56.296 INFO [stderr]     |     ^^^^^
Dec 18 07:35:56.296 INFO [stderr]     |
Dec 18 07:35:56.296 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 07:35:56.296 INFO [stderr] 
Dec 18 07:35:56.408 INFO [stderr] warning: variant is never constructed: `Empty`
Dec 18 07:35:56.408 INFO [stderr]    --> src/cpu.rs:291:5
Dec 18 07:35:56.408 INFO [stderr]     |
Dec 18 07:35:56.408 INFO [stderr] 291 |     Empty,
Dec 18 07:35:56.408 INFO [stderr]     |     ^^^^^
Dec 18 07:35:56.408 INFO [stderr]     |
Dec 18 07:35:56.408 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 07:35:56.408 INFO [stderr] 
Dec 18 07:35:56.446 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.78s
Dec 18 07:35:57.880 INFO running `"docker" "inspect" "631fc6548a272beea5368ff9782ffd8b40a99cfb9749936033a5f63a8dfdfc98"`
Dec 18 07:35:58.148 INFO running `"docker" "rm" "-f" "631fc6548a272beea5368ff9782ffd8b40a99cfb9749936033a5f63a8dfdfc98"`
Dec 18 07:35:58.356 INFO [stdout] 631fc6548a272beea5368ff9782ffd8b40a99cfb9749936033a5f63a8dfdfc98