[INFO] cloning repository https://github.com/frainho/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frainho/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrainho%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrainho%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b1d52bfa23b2bf2e4c1b818cd71d7d8ba475458
[INFO] checking frainho/chip8 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrainho%2Fchip8" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frainho/chip8 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frainho/chip8
[INFO] finished tweaking git repo https://github.com/frainho/chip8
[INFO] tweaked toml for git repo https://github.com/frainho/chip8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/frainho/chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e94fb6cfcb5c657bf8c3814d296ed38f39e01e182c87fec1aa637170df64a211
[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" "e94fb6cfcb5c657bf8c3814d296ed38f39e01e182c87fec1aa637170df64a211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e94fb6cfcb5c657bf8c3814d296ed38f39e01e182c87fec1aa637170df64a211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94fb6cfcb5c657bf8c3814d296ed38f39e01e182c87fec1aa637170df64a211", kill_on_drop: false }`
[INFO] [stdout] e94fb6cfcb5c657bf8c3814d296ed38f39e01e182c87fec1aa637170df64a211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aac0f2663aba7876f42fd46e018b272ec7aa5242cd5ac8f40c4b3c90e498497
[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" "7aac0f2663aba7876f42fd46e018b272ec7aa5242cd5ac8f40c4b3c90e498497", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chip-8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TestFile`
[INFO] [stdout]    --> src/chip8.rs:411:86
[INFO] [stdout]     |
[INFO] [stdout] 411 |     use crate::test_utils::{get_mock_random_number_generator, set_initial_opcode_to, TestFile};
[INFO] [stdout]     |                                                                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::stdout`
[INFO] [stdout]  --> src/test_utils.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs, fs::File, io::stdout, path::PathBuf};
[INFO] [stdout]   |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::File`, `fs`, `io::stdout`, `path::PathBuf`
[INFO] [stdout]  --> src/test_utils.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs, fs::File, io::stdout, path::PathBuf};
[INFO] [stdout]   |           ^^  ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "7aac0f2663aba7876f42fd46e018b272ec7aa5242cd5ac8f40c4b3c90e498497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aac0f2663aba7876f42fd46e018b272ec7aa5242cd5ac8f40c4b3c90e498497", kill_on_drop: false }`
[INFO] [stdout] 7aac0f2663aba7876f42fd46e018b272ec7aa5242cd5ac8f40c4b3c90e498497