[INFO] cloning repository https://github.com/wizh/rusty-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wizh/rusty-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizh%2Frusty-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizh%2Frusty-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 349927b9acc136cc13f1b8de3a3b3801a40193b7
[INFO] testing wizh/rusty-8 against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwizh%2Frusty-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/wizh/rusty-8 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wizh/rusty-8
[INFO] finished tweaking git repo https://github.com/wizh/rusty-8
[INFO] tweaked toml for git repo https://github.com/wizh/rusty-8 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/wizh/rusty-8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c3e288964d8994d0a98173e4ab2cd399d80daeb2e5ed3cb04ac827f5d42daf9
[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" "4c3e288964d8994d0a98173e4ab2cd399d80daeb2e5ed3cb04ac827f5d42daf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c3e288964d8994d0a98173e4ab2cd399d80daeb2e5ed3cb04ac827f5d42daf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3e288964d8994d0a98173e4ab2cd399d80daeb2e5ed3cb04ac827f5d42daf9", kill_on_drop: false }`
[INFO] [stdout] 4c3e288964d8994d0a98173e4ab2cd399d80daeb2e5ed3cb04ac827f5d42daf9
[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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0231bf1ef0ecf4002e54c1020852e3ce0f8a4e78c7f85ea8b1722a10e2a39648
[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" "0231bf1ef0ecf4002e54c1020852e3ce0f8a4e78c7f85ea8b1722a10e2a39648", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.25.0
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling sdl2 v0.25.0
[INFO] [stderr]    Compiling rusty-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `emulator`
[INFO] [stdout]  --> src/keypad.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use emulator;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_state`
[INFO] [stdout]    --> src/cpu.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn print_state(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]  --> src/display.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     height: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/display.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NUM_KEYS`
[INFO] [stdout]   --> src/emulator.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const NUM_KEYS: usize = 0xf;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keypad`
[INFO] [stdout]   --> src/emulator.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     keypad: Keypad,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     rom_fd.read_to_end(&mut rom_buf);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/display.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         renderer.set_scale((emulator::SCALE) as f32,
[INFO] [stdout] 24 | |                            (emulator::SCALE) as f32);
[INFO] [stdout]    | |_____________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/display.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 self.renderer.draw_point(Point::new(x as i32, y as i32));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `Command { std: "docker" "inspect" "0231bf1ef0ecf4002e54c1020852e3ce0f8a4e78c7f85ea8b1722a10e2a39648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0231bf1ef0ecf4002e54c1020852e3ce0f8a4e78c7f85ea8b1722a10e2a39648", kill_on_drop: false }`
[INFO] [stdout] 0231bf1ef0ecf4002e54c1020852e3ce0f8a4e78c7f85ea8b1722a10e2a39648
[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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b8afa692e5918f7651459af3db2963d259194252302760919f96d99b4c4089d
[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" "8b8afa692e5918f7651459af3db2963d259194252302760919f96d99b4c4089d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `emulator`
[INFO] [stdout]  --> src/keypad.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use emulator;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_state`
[INFO] [stdout]    --> src/cpu.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn print_state(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]  --> src/display.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     height: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/display.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NUM_KEYS`
[INFO] [stdout]   --> src/emulator.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub const NUM_KEYS: usize = 0xf;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `keypad`
[INFO] [stdout]   --> src/emulator.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     keypad: Keypad,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     rom_fd.read_to_end(&mut rom_buf);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/display.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         renderer.set_scale((emulator::SCALE) as f32,
[INFO] [stdout] 24 | |                            (emulator::SCALE) as f32);
[INFO] [stdout]    | |_____________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/display.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 self.renderer.draw_point(Point::new(x as i32, y as i32));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "8b8afa692e5918f7651459af3db2963d259194252302760919f96d99b4c4089d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8afa692e5918f7651459af3db2963d259194252302760919f96d99b4c4089d", kill_on_drop: false }`
[INFO] [stdout] 8b8afa692e5918f7651459af3db2963d259194252302760919f96d99b4c4089d
[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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 104f6ff81dc3451788e3f41d5e614580723893c3d15b5c7f7d32af228cf1f1ac
[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" "104f6ff81dc3451788e3f41d5e614580723893c3d15b5c7f7d32af228cf1f1ac", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `emulator`
[INFO] [stderr]  --> src/keypad.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use emulator;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_state`
[INFO] [stderr]    --> src/cpu.rs:103:8
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn print_state(&self) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]  --> src/display.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     height: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]   --> src/display.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `NUM_KEYS`
[INFO] [stderr]   --> src/emulator.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const NUM_KEYS: usize = 0xf;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `keypad`
[INFO] [stderr]   --> src/emulator.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     keypad: Keypad,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     rom_fd.read_to_end(&mut rom_buf);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/display.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | /         renderer.set_scale((emulator::SCALE) as f32,
[INFO] [stderr] 24 | |                            (emulator::SCALE) as f32);
[INFO] [stderr]    | |_____________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/display.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 self.renderer.draw_point(Point::new(x as i32, y as i32));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusty_8-56b7d61e5af80e76
[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 `Command { std: "docker" "inspect" "104f6ff81dc3451788e3f41d5e614580723893c3d15b5c7f7d32af228cf1f1ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104f6ff81dc3451788e3f41d5e614580723893c3d15b5c7f7d32af228cf1f1ac", kill_on_drop: false }`
[INFO] [stdout] 104f6ff81dc3451788e3f41d5e614580723893c3d15b5c7f7d32af228cf1f1ac