[INFO] updating cached repository marcovr/emu8080
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marcovr/emu8080
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marcovr/emu8080" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/marcovr/emu8080"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/marcovr/emu8080'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marcovr/emu8080" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/marcovr/emu8080"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/marcovr/emu8080'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e772cff37fdbe9763aa780250aadae4b4ea78333
[INFO] sha for GitHub repo marcovr/emu8080: e772cff37fdbe9763aa780250aadae4b4ea78333
[INFO] validating manifest of marcovr/emu8080 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of marcovr/emu8080 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing marcovr/emu8080
[INFO] finished frobbing marcovr/emu8080
[INFO] frobbed toml for marcovr/emu8080 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/marcovr/emu8080/Cargo.toml
[INFO] started frobbing marcovr/emu8080
[INFO] finished frobbing marcovr/emu8080
[INFO] frobbed toml for marcovr/emu8080 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/marcovr/emu8080/Cargo.toml
[INFO] crate marcovr/emu8080 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking marcovr/emu8080 against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/marcovr/emu8080:/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2a6132f6b769b647ad71d3f07d5a0d24c999590b1116d4c06ad335be645e088f
[INFO] running `"docker" "start" "-a" "2a6132f6b769b647ad71d3f07d5a0d24c999590b1116d4c06ad335be645e088f"`
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking gfx_core v0.8.2
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.32.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.51.0
[INFO] [stderr]     Checking piston_window v0.80.0
[INFO] [stderr]     Checking emu8080 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/operation.rs:522:3
[INFO] [stderr]     |
[INFO] [stderr] 522 |         _ => unreachable!()
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/disassemble.rs:276:3
[INFO] [stderr]     |
[INFO] [stderr] 276 |         _ => unreachable!()
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/operation.rs:522:3
[INFO] [stderr]     |
[INFO] [stderr] 522 |         _ => unreachable!()
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/disassemble.rs:276:3
[INFO] [stderr]     |
[INFO] [stderr] 276 |         _ => unreachable!()
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `"docker" "inspect" "2a6132f6b769b647ad71d3f07d5a0d24c999590b1116d4c06ad335be645e088f"`
[INFO] running `"docker" "rm" "-f" "2a6132f6b769b647ad71d3f07d5a0d24c999590b1116d4c06ad335be645e088f"`
[INFO] [stdout] 2a6132f6b769b647ad71d3f07d5a0d24c999590b1116d4c06ad335be645e088f