[INFO] updating cached repository FreeFull/ngaro-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FreeFull/ngaro-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FreeFull/ngaro-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/FreeFull/ngaro-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/FreeFull/ngaro-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FreeFull/ngaro-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FreeFull/ngaro-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FreeFull/ngaro-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f016d8512c4532aa8b2132a8a14c86945df29856
[INFO] sha for GitHub repo FreeFull/ngaro-rs: f016d8512c4532aa8b2132a8a14c86945df29856
[INFO] validating manifest of FreeFull/ngaro-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FreeFull/ngaro-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FreeFull/ngaro-rs
[INFO] finished frobbing FreeFull/ngaro-rs
[INFO] frobbed toml for FreeFull/ngaro-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/FreeFull/ngaro-rs/Cargo.toml
[INFO] started frobbing FreeFull/ngaro-rs
[INFO] finished frobbing FreeFull/ngaro-rs
[INFO] frobbed toml for FreeFull/ngaro-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/FreeFull/ngaro-rs/Cargo.toml
[INFO] crate FreeFull/ngaro-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing FreeFull/ngaro-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 1e833343329a894e6c347ad79604f13f744335e72b8c2d8ac101129aaea551fe
[INFO] running `"docker" "start" "-a" "1e833343329a894e6c347ad79604f13f744335e72b8c2d8ac101129aaea551fe"`
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling serde v1.0.34
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling serde_derive_internals v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.34
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling ngaro-rs v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/cpu.rs:20:21
[INFO] [stderr]     |
[INFO] [stderr] 20  |             None => return $rval,
[INFO] [stderr]     |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
[INFO] [stderr]     |                   --------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]    --> src/cpu.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     Empty,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "1e833343329a894e6c347ad79604f13f744335e72b8c2d8ac101129aaea551fe"`
[INFO] running `"docker" "rm" "-f" "1e833343329a894e6c347ad79604f13f744335e72b8c2d8ac101129aaea551fe"`
[INFO] [stdout] 1e833343329a894e6c347ad79604f13f744335e72b8c2d8ac101129aaea551fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7fea8f852e0c4ae8e991bf44d2ad5b5f6c442e82116ba67846e50903b3285783
[INFO] running `"docker" "start" "-a" "7fea8f852e0c4ae8e991bf44d2ad5b5f6c442e82116ba67846e50903b3285783"`
[INFO] [stderr]    Compiling ngaro-rs v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/cpu.rs:20:21
[INFO] [stderr]     |
[INFO] [stderr] 20  |             None => return $rval,
[INFO] [stderr]     |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 |         self.ip = get_memory!(self, self.ip, panic!("Jump out of bounds.")) - 1;
[INFO] [stderr]     |                   --------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]    --> src/cpu.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     Empty,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "7fea8f852e0c4ae8e991bf44d2ad5b5f6c442e82116ba67846e50903b3285783"`
[INFO] running `"docker" "rm" "-f" "7fea8f852e0c4ae8e991bf44d2ad5b5f6c442e82116ba67846e50903b3285783"`
[INFO] [stdout] 7fea8f852e0c4ae8e991bf44d2ad5b5f6c442e82116ba67846e50903b3285783
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 304eb0608576d4cabdd221a50510e80fd8877f5c4842393d3a1f37bbc11a3ecf
[INFO] running `"docker" "start" "-a" "304eb0608576d4cabdd221a50510e80fd8877f5c4842393d3a1f37bbc11a3ecf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ngaro_rs-d35c24bb9c08b051
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "304eb0608576d4cabdd221a50510e80fd8877f5c4842393d3a1f37bbc11a3ecf"`
[INFO] running `"docker" "rm" "-f" "304eb0608576d4cabdd221a50510e80fd8877f5c4842393d3a1f37bbc11a3ecf"`
[INFO] [stdout] 304eb0608576d4cabdd221a50510e80fd8877f5c4842393d3a1f37bbc11a3ecf