[INFO] cloning repository https://github.com/sonng/chip-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sonng/chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonng%2Fchip-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonng%2Fchip-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 704c1062458857663a5943c597d534aff4d09c73
[INFO] testing sonng/chip-8 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonng%2Fchip-8" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sonng/chip-8 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sonng/chip-8
[INFO] finished tweaking git repo https://github.com/sonng/chip-8
[INFO] tweaked toml for git repo https://github.com/sonng/chip-8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sonng/chip-8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67ef767e835994fb3c2df4ed84d6abb0812226698064f84281cf002818f5caeb
[INFO] running `Command { std: "docker" "start" "-a" "67ef767e835994fb3c2df4ed84d6abb0812226698064f84281cf002818f5caeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67ef767e835994fb3c2df4ed84d6abb0812226698064f84281cf002818f5caeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ef767e835994fb3c2df4ed84d6abb0812226698064f84281cf002818f5caeb", kill_on_drop: false }`
[INFO] [stdout] 67ef767e835994fb3c2df4ed84d6abb0812226698064f84281cf002818f5caeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb329bf7f91574cce6e6dce925a174273ea5d46407e905836c380072c7ccbc67
[INFO] running `Command { std: "docker" "start" "-a" "fb329bf7f91574cce6e6dce925a174273ea5d46407e905836c380072c7ccbc67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bitvec v0.15.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `blank_program`
[INFO] [stdout]   --> src/cpu.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn blank_program(&mut self) -> [u8; 3176] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_seed`
[INFO] [stdout]   --> src/cpu.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn set_seed(&mut self, seed: [u64; 4]) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "fb329bf7f91574cce6e6dce925a174273ea5d46407e905836c380072c7ccbc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb329bf7f91574cce6e6dce925a174273ea5d46407e905836c380072c7ccbc67", kill_on_drop: false }`
[INFO] [stdout] fb329bf7f91574cce6e6dce925a174273ea5d46407e905836c380072c7ccbc67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f0b62631fd402651fdbaae135bebec68192f22552d2d5d4d13fd10f5af879d84
[INFO] running `Command { std: "docker" "start" "-a" "f0b62631fd402651fdbaae135bebec68192f22552d2d5d4d13fd10f5af879d84", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "f0b62631fd402651fdbaae135bebec68192f22552d2d5d4d13fd10f5af879d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b62631fd402651fdbaae135bebec68192f22552d2d5d4d13fd10f5af879d84", kill_on_drop: false }`
[INFO] [stdout] f0b62631fd402651fdbaae135bebec68192f22552d2d5d4d13fd10f5af879d84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ad373436b4ad2547c403a4337eb7c94b5300d1ab4a304013c212e5511ec2f79
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ad373436b4ad2547c403a4337eb7c94b5300d1ab4a304013c212e5511ec2f79", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-6c611479f00be048
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test cpu::comparison::tests::test_skip_if_not_equal ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_add_register ... ok
[INFO] [stdout] test cpu::comparison::tests::test_skip_if_equal ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_add_register_no_carry ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_add_register_with_carry ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_and_register ... ok
[INFO] [stdout] test cpu::register_i::tests::test_store_addr_to_i ... ok
[INFO] [stdout] test cpu::misc::tests::test_random ... ok
[INFO] [stdout] test cpu::comparison::tests::test_skip_if_registers_equal ... ok
[INFO] [stdout] test cpu::display::tests::test_display_sprite ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_shift_left_one_most_significant_bit ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_or_register ... ok
[INFO] [stdout] test cpu::comparison::tests::test_skip_if_registers_not_equal ... ok
[INFO] [stdout] test cpu::subroutine::tests::test_register_jump ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_subn_register_no_carry ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_store_register ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_copy_register ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_shift_right_one_least_significant_bit ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_subn_register_with_carry ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_xor_register ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_shift_right_zero_least_significant_bit ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_sub_register_no_carry ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_sub_register_with_carry ... ok
[INFO] [stdout] test cpu::subroutine::tests::test_subroutine_and_return ... ok
[INFO] [stdout] test cpu::subroutine::tests::test_jump ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_shift_left_zero_most_significant_bit ... ok
[INFO] [stdout] test cpu::subroutine::tests::test_return_with_no_stack ... ok
[INFO] [stdout] test cpu::subroutine::tests::test_subroutine_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ad373436b4ad2547c403a4337eb7c94b5300d1ab4a304013c212e5511ec2f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad373436b4ad2547c403a4337eb7c94b5300d1ab4a304013c212e5511ec2f79", kill_on_drop: false }`
[INFO] [stdout] 4ad373436b4ad2547c403a4337eb7c94b5300d1ab4a304013c212e5511ec2f79