[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#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsonng%2Fchip-8" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sonng/chip-8 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-10/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 4b0b9981bce4746755a14296bb2502a61341ae7a871fe7f944ccae0b886fd009
[INFO] running `Command { std: "docker" "start" "-a" "4b0b9981bce4746755a14296bb2502a61341ae7a871fe7f944ccae0b886fd009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b0b9981bce4746755a14296bb2502a61341ae7a871fe7f944ccae0b886fd009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0b9981bce4746755a14296bb2502a61341ae7a871fe7f944ccae0b886fd009", kill_on_drop: false }`
[INFO] [stdout] 4b0b9981bce4746755a14296bb2502a61341ae7a871fe7f944ccae0b886fd009
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74f173a6f9a517f5b95af2884fe9d90a0fe9c05b02012ec0773d4fd7f00ff193
[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" "74f173a6f9a517f5b95af2884fe9d90a0fe9c05b02012ec0773d4fd7f00ff193", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bitvec v0.15.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[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 10.19s
[INFO] running `Command { std: "docker" "inspect" "74f173a6f9a517f5b95af2884fe9d90a0fe9c05b02012ec0773d4fd7f00ff193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f173a6f9a517f5b95af2884fe9d90a0fe9c05b02012ec0773d4fd7f00ff193", kill_on_drop: false }`
[INFO] [stdout] 74f173a6f9a517f5b95af2884fe9d90a0fe9c05b02012ec0773d4fd7f00ff193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] d905f3b6e2b2cbfa0586fdedf3f0f5c351bde0be014b85e796562d2abf12eb34
[INFO] running `Command { std: "docker" "start" "-a" "d905f3b6e2b2cbfa0586fdedf3f0f5c351bde0be014b85e796562d2abf12eb34", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "d905f3b6e2b2cbfa0586fdedf3f0f5c351bde0be014b85e796562d2abf12eb34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d905f3b6e2b2cbfa0586fdedf3f0f5c351bde0be014b85e796562d2abf12eb34", kill_on_drop: false }`
[INFO] [stdout] d905f3b6e2b2cbfa0586fdedf3f0f5c351bde0be014b85e796562d2abf12eb34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", 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] 75fca89c4e57a90653cde4f338c08f2fc3258c08757073b3e73327cd79b7b55a
[INFO] running `Command { std: "docker" "start" "-a" "75fca89c4e57a90653cde4f338c08f2fc3258c08757073b3e73327cd79b7b55a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 28 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip8-8b9b26f874203607)
[INFO] [stdout] test cpu::comparison::tests::test_skip_if_not_equal ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_add_register_with_carry ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_add_register ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_or_register ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_shift_left_zero_most_significant_bit ... ok
[INFO] [stdout] test cpu::register_i::tests::test_store_addr_to_i ... ok
[INFO] [stdout] test cpu::comparison::tests::test_skip_if_registers_not_equal ... ok
[INFO] [stdout] test cpu::misc::tests::test_random ... 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_shift_left_one_most_significant_bit ... 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_and_register ... ok
[INFO] [stdout] test cpu::display::tests::test_display_sprite ... ok
[INFO] [stdout] test cpu::subroutine::tests::test_jump ... ok
[INFO] [stdout] test cpu::subroutine::tests::test_register_jump ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_shift_right_zero_least_significant_bit ... ok
[INFO] [stdout] test cpu::comparison::tests::test_skip_if_registers_equal ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_store_register ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_sub_register_no_carry ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_subn_register_no_carry ... ok
[INFO] [stdout] test cpu::register_operations::tests::test_subn_register_with_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::register_operations::tests::test_xor_register ... 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; finished in 0.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75fca89c4e57a90653cde4f338c08f2fc3258c08757073b3e73327cd79b7b55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fca89c4e57a90653cde4f338c08f2fc3258c08757073b3e73327cd79b7b55a", kill_on_drop: false }`
[INFO] [stdout] 75fca89c4e57a90653cde4f338c08f2fc3258c08757073b3e73327cd79b7b55a