[INFO] cloning repository https://github.com/ebobby/chip8-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ebobby/chip8-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febobby%2Fchip8-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febobby%2Fchip8-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64905d8daa53a076b18395693038486de5f1907e
[INFO] testing ebobby/chip8-vm against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febobby%2Fchip8-vm" "/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/ebobby/chip8-vm on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ebobby/chip8-vm
[INFO] finished tweaking git repo https://github.com/ebobby/chip8-vm
[INFO] tweaked toml for git repo https://github.com/ebobby/chip8-vm written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ebobby/chip8-vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 3435b0cedb718b681579866c2f870f02c265bbd062f0be406444ad66031e7647
[INFO] running `Command { std: "docker" "start" "-a" "3435b0cedb718b681579866c2f870f02c265bbd062f0be406444ad66031e7647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3435b0cedb718b681579866c2f870f02c265bbd062f0be406444ad66031e7647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3435b0cedb718b681579866c2f870f02c265bbd062f0be406444ad66031e7647", kill_on_drop: false }`
[INFO] [stdout] 3435b0cedb718b681579866c2f870f02c265bbd062f0be406444ad66031e7647
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f981bebad27e1ddfcb75ab571ae539132ca4ede0021307706e4b83fd42a0811d
[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" "f981bebad27e1ddfcb75ab571ae539132ca4ede0021307706e4b83fd42a0811d", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `dump_mem`
[INFO] [stdout]   --> src/chip8/ram.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn dump_mem(&self) {
[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: `dump_mem`
[INFO] [stdout]   --> src/chip8/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn dump_mem(&self) {
[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 1.06s
[INFO] running `Command { std: "docker" "inspect" "f981bebad27e1ddfcb75ab571ae539132ca4ede0021307706e4b83fd42a0811d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f981bebad27e1ddfcb75ab571ae539132ca4ede0021307706e4b83fd42a0811d", kill_on_drop: false }`
[INFO] [stdout] f981bebad27e1ddfcb75ab571ae539132ca4ede0021307706e4b83fd42a0811d
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1667b9b2b9e32f156b5bd213dd06a7859676cb8b8e236b29196596f2fe550e4b
[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" "1667b9b2b9e32f156b5bd213dd06a7859676cb8b8e236b29196596f2fe550e4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `dump_mem`
[INFO] [stdout]   --> src/chip8/ram.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn dump_mem(&self) {
[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: `dump_mem`
[INFO] [stdout]   --> src/chip8/mod.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn dump_mem(&self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "1667b9b2b9e32f156b5bd213dd06a7859676cb8b8e236b29196596f2fe550e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1667b9b2b9e32f156b5bd213dd06a7859676cb8b8e236b29196596f2fe550e4b", kill_on_drop: false }`
[INFO] [stdout] 1667b9b2b9e32f156b5bd213dd06a7859676cb8b8e236b29196596f2fe550e4b
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2732784e45cc65fb67c2eba6cae33c573ee08b9ddde59f2184584dd8e1efb96a
[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" "2732784e45cc65fb67c2eba6cae33c573ee08b9ddde59f2184584dd8e1efb96a", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `dump_mem`
[INFO] [stderr]   --> src/chip8/ram.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn dump_mem(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `dump_mem`
[INFO] [stderr]   --> src/chip8/mod.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn dump_mem(&self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8-vm` (bin "chip8-vm" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chip8_vm-d320f2f5e2fcb4e7)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2732784e45cc65fb67c2eba6cae33c573ee08b9ddde59f2184584dd8e1efb96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2732784e45cc65fb67c2eba6cae33c573ee08b9ddde59f2184584dd8e1efb96a", kill_on_drop: false }`
[INFO] [stdout] 2732784e45cc65fb67c2eba6cae33c573ee08b9ddde59f2184584dd8e1efb96a