[INFO] updating cached repository hellerve/chip8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hellerve/chip8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hellerve/chip8" "work/ex/beta-1.37-6/sources/1.36.0/gh/hellerve/chip8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hellerve/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hellerve/chip8" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hellerve/chip8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hellerve/chip8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a02a6ccc19b82da2415b828b59fe0e34803d050
[INFO] sha for GitHub repo hellerve/chip8: 3a02a6ccc19b82da2415b828b59fe0e34803d050
[INFO] validating manifest of hellerve/chip8 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 hellerve/chip8 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 hellerve/chip8
[INFO] finished frobbing hellerve/chip8
[INFO] frobbed toml for hellerve/chip8 written to work/ex/beta-1.37-6/sources/1.36.0/gh/hellerve/chip8/Cargo.toml
[INFO] started frobbing hellerve/chip8
[INFO] finished frobbing hellerve/chip8
[INFO] frobbed toml for hellerve/chip8 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hellerve/chip8/Cargo.toml
[INFO] crate hellerve/chip8 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 hellerve/chip8 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hellerve/chip8:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2533877b07d7615013c9f6aac5126423dd08fe1d6ec2711e35a2431aa6cfaa31
[INFO] running `"docker" "start" "-a" "2533877b07d7615013c9f6aac5126423dd08fe1d6ec2711e35a2431aa6cfaa31"`
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling smallvec v0.6.4
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling wayland-sys v0.20.11
[INFO] [stderr]    Compiling wayland-scanner v0.20.11
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling wayland-commons v0.20.11
[INFO] [stderr]    Compiling parking_lot v0.6.3
[INFO] [stderr]    Compiling wayland-client v0.20.11
[INFO] [stderr]    Compiling wayland-protocols v0.20.11
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.18.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling winit v0.17.1
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/vm.rs:146:25
[INFO] [stderr]     |
[INFO] [stderr] 146 |                         self.v[idx] != self.v[idy];
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "2533877b07d7615013c9f6aac5126423dd08fe1d6ec2711e35a2431aa6cfaa31"`
[INFO] running `"docker" "rm" "-f" "2533877b07d7615013c9f6aac5126423dd08fe1d6ec2711e35a2431aa6cfaa31"`
[INFO] [stdout] 2533877b07d7615013c9f6aac5126423dd08fe1d6ec2711e35a2431aa6cfaa31
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hellerve/chip8:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 79b92f7288e08fd6ea0e9f4105f168357e8687081baca20657f022a8c22fc2d2
[INFO] running `"docker" "start" "-a" "79b92f7288e08fd6ea0e9f4105f168357e8687081baca20657f022a8c22fc2d2"`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused comparison that must be used
[INFO] [stderr]    --> src/vm.rs:146:25
[INFO] [stderr]     |
[INFO] [stderr] 146 |                         self.v[idx] != self.v[idy];
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "79b92f7288e08fd6ea0e9f4105f168357e8687081baca20657f022a8c22fc2d2"`
[INFO] running `"docker" "rm" "-f" "79b92f7288e08fd6ea0e9f4105f168357e8687081baca20657f022a8c22fc2d2"`
[INFO] [stdout] 79b92f7288e08fd6ea0e9f4105f168357e8687081baca20657f022a8c22fc2d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hellerve/chip8:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 54c948214d1a7f1bd1d792ab746392702e9696205602da19be4d6bbfa5b615dd
[INFO] running `"docker" "start" "-a" "54c948214d1a7f1bd1d792ab746392702e9696205602da19be4d6bbfa5b615dd"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chip8-d7da108f93a0bb46
[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" "54c948214d1a7f1bd1d792ab746392702e9696205602da19be4d6bbfa5b615dd"`
[INFO] running `"docker" "rm" "-f" "54c948214d1a7f1bd1d792ab746392702e9696205602da19be4d6bbfa5b615dd"`
[INFO] [stdout] 54c948214d1a7f1bd1d792ab746392702e9696205602da19be4d6bbfa5b615dd