[INFO] cloning repository https://github.com/ericgumba/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/ericgumba/chip_8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2Fchip_8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2Fchip_8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56f3889e6be93046269fc705263bc0aefaa48e2d
[INFO] testing ericgumba/chip_8 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2Fchip_8" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericgumba/chip_8 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericgumba/chip_8
[INFO] finished tweaking git repo https://github.com/ericgumba/chip_8
[INFO] tweaked toml for git repo https://github.com/ericgumba/chip_8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ericgumba/chip_8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 066f9cf839c6d45fe660be0ed9d3cbeef76e928ee78b2acc1f007d8bccf1d930
[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" "066f9cf839c6d45fe660be0ed9d3cbeef76e928ee78b2acc1f007d8bccf1d930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066f9cf839c6d45fe660be0ed9d3cbeef76e928ee78b2acc1f007d8bccf1d930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066f9cf839c6d45fe660be0ed9d3cbeef76e928ee78b2acc1f007d8bccf1d930", kill_on_drop: false }`
[INFO] [stdout] 066f9cf839c6d45fe660be0ed9d3cbeef76e928ee78b2acc1f007d8bccf1d930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3611e1aec518eb585ad79806ac67ce303ca367128b0d28b8b7c32a0fe555f2c6
[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" "3611e1aec518eb585ad79806ac67ce303ca367128b0d28b8b7c32a0fe555f2c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling once_cell v1.7.0
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling chip_8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         i = (i + 1) % 255;  
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/drawer.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut i = 0;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/drawer.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut i = 0;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.03s
[INFO] running `Command { std: "docker" "inspect" "3611e1aec518eb585ad79806ac67ce303ca367128b0d28b8b7c32a0fe555f2c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3611e1aec518eb585ad79806ac67ce303ca367128b0d28b8b7c32a0fe555f2c6", kill_on_drop: false }`
[INFO] [stdout] 3611e1aec518eb585ad79806ac67ce303ca367128b0d28b8b7c32a0fe555f2c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 232af5d31a5fe032ea90b7f7bab6a8472df13e2c91333162ef7e28f0c97d8c38
[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" "232af5d31a5fe032ea90b7f7bab6a8472df13e2c91333162ef7e28f0c97d8c38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chip_8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         i = (i + 1) % 255;  
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/drawer.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut i = 0;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/drawer.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut i = 0;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "232af5d31a5fe032ea90b7f7bab6a8472df13e2c91333162ef7e28f0c97d8c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232af5d31a5fe032ea90b7f7bab6a8472df13e2c91333162ef7e28f0c97d8c38", kill_on_drop: false }`
[INFO] [stdout] 232af5d31a5fe032ea90b7f7bab6a8472df13e2c91333162ef7e28f0c97d8c38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 7a01ffe263b2a7edf2fed74aec7ac7ba18828e101f2bc3ed3455479df3c8c0dd
[INFO] running `Command { std: "docker" "start" "-a" "7a01ffe263b2a7edf2fed74aec7ac7ba18828e101f2bc3ed3455479df3c8c0dd", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]   --> src/main.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         i = (i + 1) % 255;  
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/drawer.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut i = 0;
[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] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/drawer.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut i = 0;
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip_8-99801f03684f5cbc)
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stdout] test chip8_test::tests::test_00ee ... ok
[INFO] [stdout] test chip8_test::tests::test_2nnn ... ok
[INFO] [stdout] test chip8_test::tests::test_5xy0 ... ok
[INFO] [stdout] test chip8_test::tests::test_6_xnn ... ok
[INFO] [stdout] test chip8_test::tests::test_5_xy0 ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy1 ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy2 ... ok
[INFO] [stdout] test chip8_test::tests::test_7_xnn ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy4 ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy4_pt2 ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy7 ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy7_2 ... ok
[INFO] [stdout] test chip8_test::tests::test_8xye ... ok
[INFO] [stdout] test chip8_test::tests::test_cxnn ... ok
[INFO] [stdout] test chip8_test::tests::test_cxnn_2 ... ok
[INFO] [stdout] test chip8_test::tests::test_convert_vx_value_into_keyboard_index_value ... ok
[INFO] [stdout] test chip8_test::tests::test_8xye_3 ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy5_pt2 ... ok
[INFO] [stdout] test chip8_test::tests::test_delay_timer ... ok
[INFO] [stdout] test chip8_test::tests::test_decode ... ok
[INFO] [stdout] test chip8_test::tests::test_a_nnn ... ok
[INFO] [stdout] test chip8_test::tests::test_delay_timer_doesnt_go_below_zero ... ok
[INFO] [stdout] test chip8_test::tests::test_dxyn ... ok
[INFO] [stdout] test chip8_test::tests::test_dxyn2 ... ok
[INFO] [stdout] test chip8_test::tests::test_dxyn3 ... ok
[INFO] [stdout] test chip8_test::tests::test_8xye_2 ... ok
[INFO] [stdout] test chip8_test::tests::test_4xkk ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy5 ... ok
[INFO] [stdout] test chip8_test::tests::test_00_e0 ... ok
[INFO] [stdout] test chip8_test::tests::test_1_nnn ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy3 ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy6 ... ok
[INFO] [stdout] test chip8_test::tests::test_8xy6_2 ... ok
[INFO] [stdout] test chip8_test::tests::test_9xy0 ... ok
[INFO] [stdout] test chip8_test::tests::test_fx07 ... ok
[INFO] [stdout] test chip8_test::tests::test_exa1 ... ok
[INFO] [stdout] test chip8_test::tests::test_ex9e_7 ... ok
[INFO] [stdout] test chip8_test::tests::test_fx0a ... ok
[INFO] [stdout] test chip8_test::tests::test_ex9e_6 ... ok
[INFO] [stdout] test chip8_test::tests::test_dxyn_4 ... ok
[INFO] [stdout] test chip8_test::tests::test_dxyn_carry ... ok
[INFO] [stdout] test chip8_test::tests::test_ex9e_5 ... ok
[INFO] [stdout] test chip8_test::tests::test_ex9e_3 ... ok
[INFO] [stdout] test chip8_test::tests::test_fx29 ... ok
[INFO] [stdout] test chip8_test::tests::test_fx55 ... ok
[INFO] [stdout] test chip8_test::tests::test_ex9e_4 ... ok
[INFO] [stdout] test chip8_test::tests::test_fx33 ... ok
[INFO] [stdout] test chip8_test::tests::test_sound_timer ... ok
[INFO] [stdout] test chip8_test::tests::test_make_into_8_field ... ok
[INFO] [stdout] test chip8_test::tests::test_load ... ok
[INFO] [stdout] test chip8_test::tests::test_make_into_n_field ... ok
[INFO] [stdout] test chip8_test::tests::test_ex9e_2 ... ok
[INFO] [stdout] test chip8_test::tests::test_get_value_of_key ... ok
[INFO] [stdout] test chip8_test::tests::test_get_reg_value_from_hex ... ok
[INFO] [stdout] test chip8_test::tests::test_fetch ... ok
[INFO] [stdout] test chip8_test::tests::test_fx15 ... ok
[INFO] [stdout] test chip8_test::tests::test_sound_timer_doesnt_go_below_zero ... ok
[INFO] [stdout] test chip8_test::tests::test_dxyn_wrap_around ... ok
[INFO] [stdout] test chip8_test::tests::test_ex9e ... ok
[INFO] [stdout] test chip8_test::tests::test_fx1e ... ok
[INFO] [stdout] test chip8_test::tests::test_fx18 ... ok
[INFO] [stdout] test chip8_test::tests::test_fx65 ... ok
[INFO] [stdout] test chip8_test::tests::test_fx0a_test_cpu_halts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 63 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a01ffe263b2a7edf2fed74aec7ac7ba18828e101f2bc3ed3455479df3c8c0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a01ffe263b2a7edf2fed74aec7ac7ba18828e101f2bc3ed3455479df3c8c0dd", kill_on_drop: false }`
[INFO] [stdout] 7a01ffe263b2a7edf2fed74aec7ac7ba18828e101f2bc3ed3455479df3c8c0dd