[INFO] updating cached repository jonas-schievink/chip-8
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jonas-schievink/chip-8
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jonas-schievink/chip-8" "work/ex/beta-1.38-1/sources/1.37.0/gh/jonas-schievink/chip-8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jonas-schievink/chip-8'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonas-schievink/chip-8" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonas-schievink/chip-8"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonas-schievink/chip-8'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71410220ef5cce507677bce8f3c1cc2f2bba0b9c
[INFO] sha for GitHub repo jonas-schievink/chip-8: 71410220ef5cce507677bce8f3c1cc2f2bba0b9c
[INFO] validating manifest of jonas-schievink/chip-8 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jonas-schievink/chip-8 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jonas-schievink/chip-8
[INFO] finished frobbing jonas-schievink/chip-8
[INFO] frobbed toml for jonas-schievink/chip-8 written to work/ex/beta-1.38-1/sources/1.37.0/gh/jonas-schievink/chip-8/Cargo.toml
[INFO] started frobbing jonas-schievink/chip-8
[INFO] finished frobbing jonas-schievink/chip-8
[INFO] frobbed toml for jonas-schievink/chip-8 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonas-schievink/chip-8/Cargo.toml
[INFO] crate jonas-schievink/chip-8 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jonas-schievink/chip-8 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonas-schievink/chip-8:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 269ee8353c4093d51c5a5e8057a81d8c07316469ae6841c8134526cff671cf9f
[INFO] running `"docker" "start" "-a" "269ee8353c4093d51c5a5e8057a81d8c07316469ae6841c8134526cff671cf9f"`
[INFO] [stderr]    Compiling winapi v0.2.7
[INFO] [stderr]    Compiling libc v0.2.12
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.3.3
[INFO] [stderr]    Compiling strsim v0.4.1
[INFO] [stderr]    Compiling ansi_term v0.7.2
[INFO] [stderr]    Compiling fnv v1.0.2
[INFO] [stderr]    Compiling enum-set v0.0.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling dylib v0.0.1
[INFO] [stderr]    Compiling clap v2.6.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling x11-dl v2.2.1
[INFO] [stderr]    Compiling aho-corasick v0.5.2
[INFO] [stderr]    Compiling minifb v0.7.1
[INFO] [stderr]    Compiling thread_local v0.2.6
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling regex v0.1.71
[INFO] [stderr]    Compiling env_logger v0.3.3
[INFO] [stderr]    Compiling chip-8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ext.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut pixref = &mut state.fb[y_total * 64 + x_total];
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.57s
[INFO] running `"docker" "inspect" "269ee8353c4093d51c5a5e8057a81d8c07316469ae6841c8134526cff671cf9f"`
[INFO] running `"docker" "rm" "-f" "269ee8353c4093d51c5a5e8057a81d8c07316469ae6841c8134526cff671cf9f"`
[INFO] [stdout] 269ee8353c4093d51c5a5e8057a81d8c07316469ae6841c8134526cff671cf9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonas-schievink/chip-8:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2d7bf9321583a0f1b5b233f2b41565b7f17484233db3bdc7790951ae1c27f28c
[INFO] running `"docker" "start" "-a" "2d7bf9321583a0f1b5b233f2b41565b7f17484233db3bdc7790951ae1c27f28c"`
[INFO] [stderr]    Compiling chip-8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ext.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let mut pixref = &mut state.fb[y_total * 64 + x_total];
[INFO] [stderr]     |                 ----^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "2d7bf9321583a0f1b5b233f2b41565b7f17484233db3bdc7790951ae1c27f28c"`
[INFO] running `"docker" "rm" "-f" "2d7bf9321583a0f1b5b233f2b41565b7f17484233db3bdc7790951ae1c27f28c"`
[INFO] [stdout] 2d7bf9321583a0f1b5b233f2b41565b7f17484233db3bdc7790951ae1c27f28c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonas-schievink/chip-8:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] dcaf4c9500f5eb92219e29b99a2ae98910cfde764b2892a1f7d9896126a42b19
[INFO] running `"docker" "start" "-a" "dcaf4c9500f5eb92219e29b99a2ae98910cfde764b2892a1f7d9896126a42b19"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chip_8-57bdbbb3d1a819bb
[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" "dcaf4c9500f5eb92219e29b99a2ae98910cfde764b2892a1f7d9896126a42b19"`
[INFO] running `"docker" "rm" "-f" "dcaf4c9500f5eb92219e29b99a2ae98910cfde764b2892a1f7d9896126a42b19"`
[INFO] [stdout] dcaf4c9500f5eb92219e29b99a2ae98910cfde764b2892a1f7d9896126a42b19