Dec 05 02:27:18.135 INFO checking FreeFull/ngaro-rs against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 02:27:18.135 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 02:27:18.523 INFO [stdout] c4553c5cdd1d4fbc9bf2e48a461387309a55b4578819dceca0b6e6f567ded76f
Dec 05 02:27:18.529 INFO running `"docker" "start" "-a" "c4553c5cdd1d4fbc9bf2e48a461387309a55b4578819dceca0b6e6f567ded76f"`
Dec 05 02:27:20.041 INFO [stderr] usermod: no changes
Dec 05 02:27:20.187 INFO [stderr]     Checking termion v1.5.1
Dec 05 02:27:20.191 INFO [stderr]    Compiling serde_derive_internals v0.22.0
Dec 05 02:27:24.908 INFO [stderr]    Compiling serde_derive v1.0.34
Dec 05 02:27:34.949 INFO [stderr]     Checking docopt v0.8.3
Dec 05 02:27:36.981 INFO [stderr]     Checking ngaro-rs v0.0.2 (/source)
Dec 05 02:27:40.327 INFO [stderr] warning: unreachable expression
Dec 05 02:27:40.327 INFO [stderr]    --> src/cpu.rs:20:21
Dec 05 02:27:40.327 INFO [stderr]     |
Dec 05 02:27:40.327 INFO [stderr] 20  |             None => return $rval,
Dec 05 02:27:40.327 INFO [stderr]     |                     ^^^^^^
Dec 05 02:27:40.327 INFO [stderr] ...
Dec 05 02:27:40.327 INFO [stderr] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
Dec 05 02:27:40.327 INFO [stderr]     |                   --------------------------------------------------------- in this macro invocation
Dec 05 02:27:40.327 INFO [stderr]     |
Dec 05 02:27:40.327 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 05 02:27:40.327 INFO [stderr] 
Dec 05 02:27:40.523 INFO [stderr] warning: variant is never constructed: `Empty`
Dec 05 02:27:40.523 INFO [stderr]    --> src/cpu.rs:291:5
Dec 05 02:27:40.523 INFO [stderr]     |
Dec 05 02:27:40.523 INFO [stderr] 291 |     Empty,
Dec 05 02:27:40.523 INFO [stderr]     |     ^^^^^
Dec 05 02:27:40.523 INFO [stderr]     |
Dec 05 02:27:40.523 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 02:27:40.523 INFO [stderr] 
Dec 05 02:27:40.543 INFO [stderr] warning: unreachable expression
Dec 05 02:27:40.543 INFO [stderr]    --> src/cpu.rs:20:21
Dec 05 02:27:40.543 INFO [stderr]     |
Dec 05 02:27:40.543 INFO [stderr] 20  |             None => return $rval,
Dec 05 02:27:40.543 INFO [stderr]     |                     ^^^^^^
Dec 05 02:27:40.543 INFO [stderr] ...
Dec 05 02:27:40.543 INFO [stderr] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
Dec 05 02:27:40.543 INFO [stderr]     |                   --------------------------------------------------------- in this macro invocation
Dec 05 02:27:40.543 INFO [stderr]     |
Dec 05 02:27:40.543 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 05 02:27:40.543 INFO [stderr] 
Dec 05 02:27:40.632 INFO [stderr] warning: variant is never constructed: `Empty`
Dec 05 02:27:40.632 INFO [stderr]    --> src/cpu.rs:291:5
Dec 05 02:27:40.632 INFO [stderr]     |
Dec 05 02:27:40.632 INFO [stderr] 291 |     Empty,
Dec 05 02:27:40.632 INFO [stderr]     |     ^^^^^
Dec 05 02:27:40.632 INFO [stderr]     |
Dec 05 02:27:40.632 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 02:27:40.632 INFO [stderr] 
Dec 05 02:27:40.667 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.60s
Dec 05 02:27:40.675 INFO [stderr] su: No module specific data is present
Dec 05 02:27:41.295 INFO running `"docker" "inspect" "c4553c5cdd1d4fbc9bf2e48a461387309a55b4578819dceca0b6e6f567ded76f"`
Dec 05 02:27:41.615 INFO running `"docker" "rm" "-f" "c4553c5cdd1d4fbc9bf2e48a461387309a55b4578819dceca0b6e6f567ded76f"`
Dec 05 02:27:41.867 INFO [stdout] c4553c5cdd1d4fbc9bf2e48a461387309a55b4578819dceca0b6e6f567ded76f