Nov 28 13:32:56.967 INFO checking FreeFull/ngaro-rs against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 13:32:56.968 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 13:32:57.424 INFO [stdout] e179d14050e49bd281815f13993ead2351e42de17961978eeccf1b19b5fec076
Nov 28 13:32:57.426 INFO running `"docker" "start" "-a" "e179d14050e49bd281815f13993ead2351e42de17961978eeccf1b19b5fec076"`
Nov 28 13:32:59.812 INFO [stderr] usermod: no changes
Nov 28 13:32:59.972 INFO [stderr]     Checking docopt v0.8.3
Nov 28 13:33:01.933 INFO [stderr]     Checking ngaro-rs v0.0.2 (/source)
Nov 28 13:33:04.046 INFO [stderr] warning: unreachable expression
Nov 28 13:33:04.047 INFO [stderr]    --> src/cpu.rs:20:21
Nov 28 13:33:04.047 INFO [stderr]     |
Nov 28 13:33:04.047 INFO [stderr] 20  |             None => return $rval,
Nov 28 13:33:04.048 INFO [stderr]     |                     ^^^^^^
Nov 28 13:33:04.048 INFO [stderr] ...
Nov 28 13:33:04.049 INFO [stderr] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
Nov 28 13:33:04.049 INFO [stderr]     |                   --------------------------------------------------------- in this macro invocation
Nov 28 13:33:04.049 INFO [stderr]     |
Nov 28 13:33:04.050 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Nov 28 13:33:04.050 INFO [stderr] 
Nov 28 13:33:04.173 INFO [stderr] warning: variant is never constructed: `Empty`
Nov 28 13:33:04.173 INFO [stderr]    --> src/cpu.rs:291:5
Nov 28 13:33:04.174 INFO [stderr]     |
Nov 28 13:33:04.175 INFO [stderr] 291 |     Empty,
Nov 28 13:33:04.175 INFO [stderr]     |     ^^^^^
Nov 28 13:33:04.176 INFO [stderr]     |
Nov 28 13:33:04.177 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 13:33:04.177 INFO [stderr] 
Nov 28 13:33:04.552 INFO [stderr] warning: unreachable expression
Nov 28 13:33:04.552 INFO [stderr]    --> src/cpu.rs:20:21
Nov 28 13:33:04.552 INFO [stderr]     |
Nov 28 13:33:04.553 INFO [stderr] 20  |             None => return $rval,
Nov 28 13:33:04.553 INFO [stderr]     |                     ^^^^^^
Nov 28 13:33:04.553 INFO [stderr] ...
Nov 28 13:33:04.554 INFO [stderr] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
Nov 28 13:33:04.554 INFO [stderr]     |                   --------------------------------------------------------- in this macro invocation
Nov 28 13:33:04.554 INFO [stderr]     |
Nov 28 13:33:04.554 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Nov 28 13:33:04.555 INFO [stderr] 
Nov 28 13:33:04.654 INFO [stderr] warning: variant is never constructed: `Empty`
Nov 28 13:33:04.655 INFO [stderr]    --> src/cpu.rs:291:5
Nov 28 13:33:04.655 INFO [stderr]     |
Nov 28 13:33:04.655 INFO [stderr] 291 |     Empty,
Nov 28 13:33:04.655 INFO [stderr]     |     ^^^^^
Nov 28 13:33:04.656 INFO [stderr]     |
Nov 28 13:33:04.656 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 28 13:33:04.656 INFO [stderr] 
Nov 28 13:33:04.695 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
Nov 28 13:33:04.700 INFO [stderr] su: No module specific data is present
Nov 28 13:33:05.486 INFO running `"docker" "inspect" "e179d14050e49bd281815f13993ead2351e42de17961978eeccf1b19b5fec076"`
Nov 28 13:33:05.809 INFO running `"docker" "rm" "-f" "e179d14050e49bd281815f13993ead2351e42de17961978eeccf1b19b5fec076"`
Nov 28 13:33:06.193 INFO [stdout] e179d14050e49bd281815f13993ead2351e42de17961978eeccf1b19b5fec076