[INFO] cloning repository https://github.com/KuldeepSinh/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KuldeepSinh/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKuldeepSinh%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKuldeepSinh%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e573f903299595964c05f9562570b1f0e2e2e90
[INFO] checking KuldeepSinh/chip8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKuldeepSinh%2Fchip8" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KuldeepSinh/chip8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KuldeepSinh/chip8
[INFO] finished tweaking git repo https://github.com/KuldeepSinh/chip8
[INFO] tweaked toml for git repo https://github.com/KuldeepSinh/chip8 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KuldeepSinh/chip8 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.7
[INFO] [stderr]   Downloaded regex-syntax v0.6.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54c1094aba3854b3b6a3a6ca742688d0ef0153b00cfac3df4dda2b4491aa44c9
[INFO] running `Command { std: "docker" "start" "-a" "54c1094aba3854b3b6a3a6ca742688d0ef0153b00cfac3df4dda2b4491aa44c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54c1094aba3854b3b6a3a6ca742688d0ef0153b00cfac3df4dda2b4491aa44c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c1094aba3854b3b6a3a6ca742688d0ef0153b00cfac3df4dda2b4491aa44c9", kill_on_drop: false }`
[INFO] [stdout] 54c1094aba3854b3b6a3a6ca742688d0ef0153b00cfac3df4dda2b4491aa44c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 836856a3526a9c4d649a86b8602c826dc0399eccb35f18c2b528bfdab8e1299b
[INFO] running `Command { std: "docker" "start" "-a" "836856a3526a9c4d649a86b8602c826dc0399eccb35f18c2b528bfdab8e1299b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `sdl2` is imported redundantly
[INFO] [stdout]  --> src/drivers/display_driver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2;
[INFO] [stdout]   |     ^^^^ the item `sdl2` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sdl2` is imported redundantly
[INFO] [stdout]  --> src/drivers/input_driver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2;
[INFO] [stdout]   |     ^^^^ the item `sdl2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sdl2` is imported redundantly
[INFO] [stdout]  --> src/drivers/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sdl2;
[INFO] [stdout]   |     ^^^^ the item `sdl2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sdl2` is imported redundantly
[INFO] [stdout]  --> src/drivers/display_driver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2;
[INFO] [stdout]   |     ^^^^ the item `sdl2` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sdl2` is imported redundantly
[INFO] [stdout]  --> src/drivers/input_driver.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sdl2;
[INFO] [stdout]   |     ^^^^ the item `sdl2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sdl2` is imported redundantly
[INFO] [stdout]  --> src/drivers/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sdl2;
[INFO] [stdout]   |     ^^^^ the item `sdl2` is already defined by prelude
[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 5.75s
[INFO] running `Command { std: "docker" "inspect" "836856a3526a9c4d649a86b8602c826dc0399eccb35f18c2b528bfdab8e1299b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836856a3526a9c4d649a86b8602c826dc0399eccb35f18c2b528bfdab8e1299b", kill_on_drop: false }`
[INFO] [stdout] 836856a3526a9c4d649a86b8602c826dc0399eccb35f18c2b528bfdab8e1299b