[INFO] updating cached repository https://github.com/shiver/chip8
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cbec31add30a9348f2e32b19aea176f5229545c8
[INFO] testing shiver/chip8 against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiver%2Fchip8" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shiver/chip8 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shiver/chip8
[INFO] finished tweaking git repo https://github.com/shiver/chip8
[INFO] tweaked toml for git repo https://github.com/shiver/chip8 written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/shiver/chip8 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 3d3b4177c59a6aca8035acd4ce5865c5060e2d757beeb3d55743b62fb594152f
[INFO] running `"docker" "start" "-a" "3d3b4177c59a6aca8035acd4ce5865c5060e2d757beeb3d55743b62fb594152f"`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 let mut start_y = self.regs[*vy as usize];
[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 4.71s
[INFO] running `"docker" "inspect" "3d3b4177c59a6aca8035acd4ce5865c5060e2d757beeb3d55743b62fb594152f"`
[INFO] running `"docker" "rm" "-f" "3d3b4177c59a6aca8035acd4ce5865c5060e2d757beeb3d55743b62fb594152f"`
[INFO] [stdout] 3d3b4177c59a6aca8035acd4ce5865c5060e2d757beeb3d55743b62fb594152f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3991a49cd364878e1de147b07a6aeccbfe7ca453eb63bb3a5627c0910ebe2613
[INFO] running `"docker" "start" "-a" "3991a49cd364878e1de147b07a6aeccbfe7ca453eb63bb3a5627c0910ebe2613"`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 let mut start_y = self.regs[*vy as usize];
[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 1.30s
[INFO] running `"docker" "inspect" "3991a49cd364878e1de147b07a6aeccbfe7ca453eb63bb3a5627c0910ebe2613"`
[INFO] running `"docker" "rm" "-f" "3991a49cd364878e1de147b07a6aeccbfe7ca453eb63bb3a5627c0910ebe2613"`
[INFO] [stdout] 3991a49cd364878e1de147b07a6aeccbfe7ca453eb63bb3a5627c0910ebe2613
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 51fa7238268418fb807f6f6f962bde185c271f9610fe4460e45bc34e2d6be85a
[INFO] running `"docker" "start" "-a" "51fa7238268418fb807f6f6f962bde185c271f9610fe4460e45bc34e2d6be85a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-f9b0d4e368477e8a
[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] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-bf8e958bb3deddcd
[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] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-bd5d131d8e4818de
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_assign_value ... ok
[INFO] [stdout] test test_add_const ... ok
[INFO] [stdout] test test_call_subroutine ... ok
[INFO] [stdout] test test_it ... ok
[INFO] [stdout] test test_dump_reg ... ok
[INFO] [stdout] test test_jump_to_address ... ok
[INFO] [stdout] test test_clear_and_basics ... ok
[INFO] [stdout] test test_load_const ... ok
[INFO] [stdout] test test_load_reg ... ok
[INFO] [stdout] test test_opcode_to_instruction ... ok
[INFO] [stdout] test test_return ... ok
[INFO] [stdout] test test_set_and ... ok
[INFO] [stdout] test test_set_memory_address ... ok
[INFO] [stdout] test test_reduce ... ok
[INFO] [stdout] test test_set_memory_for_font ... ok
[INFO] [stdout] test test_set_bcd ... ok
[INFO] [stdout] test test_set_or ... ok
[INFO] [stdout] test test_shift_left ... ok
[INFO] [stdout] test test_shift_right ... ok
[INFO] [stdout] test test_skip_if_equal ... ok
[INFO] [stdout] test test_skip_if_not_equal ... ok
[INFO] [stdout] test test_subtract ... ok
[INFO] [stdout] test test_skip_if_equal_register ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chip8
[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" "51fa7238268418fb807f6f6f962bde185c271f9610fe4460e45bc34e2d6be85a"`
[INFO] running `"docker" "rm" "-f" "51fa7238268418fb807f6f6f962bde185c271f9610fe4460e45bc34e2d6be85a"`
[INFO] [stdout] 51fa7238268418fb807f6f6f962bde185c271f9610fe4460e45bc34e2d6be85a