[INFO] cloning repository https://github.com/christophertrml/rust8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christophertrml/rust8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristophertrml%2Frust8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristophertrml%2Frust8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51bf0901cf1fb4bd8e8620fd4399a06587979764
[INFO] checking christophertrml/rust8/51bf0901cf1fb4bd8e8620fd4399a06587979764 against master#c1feb3eceef7d5f0126c309a87062cf413fe0a25 for pr-121053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristophertrml%2Frust8" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christophertrml/rust8 on toolchain c1feb3eceef7d5f0126c309a87062cf413fe0a25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christophertrml/rust8
[INFO] finished tweaking git repo https://github.com/christophertrml/rust8
[INFO] tweaked toml for git repo https://github.com/christophertrml/rust8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/christophertrml/rust8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e237a8ec04ca6415f0521edadcc65dcf8df3e623c9319ee3b4f46bfc27922c5
[INFO] running `Command { std: "docker" "start" "-a" "3e237a8ec04ca6415f0521edadcc65dcf8df3e623c9319ee3b4f46bfc27922c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e237a8ec04ca6415f0521edadcc65dcf8df3e623c9319ee3b4f46bfc27922c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e237a8ec04ca6415f0521edadcc65dcf8df3e623c9319ee3b4f46bfc27922c5", kill_on_drop: false }`
[INFO] [stdout] 3e237a8ec04ca6415f0521edadcc65dcf8df3e623c9319ee3b4f46bfc27922c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 279ea676ccb149482e559e09091632213ea7a44826627a0f4dc4b7b8a2cf0bf7
[INFO] running `Command { std: "docker" "start" "-a" "279ea676ccb149482e559e09091632213ea7a44826627a0f4dc4b7b8a2cf0bf7", kill_on_drop: false }`
[INFO] [stderr]     Checking rust8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:18:59
[INFO] [stdout]    |
[INFO] [stdout] 18 | ...                   Error::description(&why)),
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:18:59
[INFO] [stdout]    |
[INFO] [stdout] 18 | ...                   Error::description(&why)),
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `delay_timer`, `sound_timer`, `gfx`, and `keys` are never read
[INFO] [stdout]   --> src/chip8.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub struct Cpu {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7  |     delay_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 8  |     sound_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 9  |     gfx: [[bool; 32]; 64],
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     keys: [bool; 16],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `left_shift` is never used
[INFO] [stdout]    --> src/chip8.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Cpu {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 230 |     fn left_shift(&mut self, opcode: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `delay_timer`, `sound_timer`, `gfx`, and `keys` are never read
[INFO] [stdout]   --> src/chip8.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub struct Cpu {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7  |     delay_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 8  |     sound_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 9  |     gfx: [[bool; 32]; 64],
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     keys: [bool; 16],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `left_shift` is never used
[INFO] [stdout]    --> src/chip8.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Cpu {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 230 |     fn left_shift(&mut self, opcode: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "279ea676ccb149482e559e09091632213ea7a44826627a0f4dc4b7b8a2cf0bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279ea676ccb149482e559e09091632213ea7a44826627a0f4dc4b7b8a2cf0bf7", kill_on_drop: false }`
[INFO] [stdout] 279ea676ccb149482e559e09091632213ea7a44826627a0f4dc4b7b8a2cf0bf7