[INFO] cloning repository https://github.com/TrueD1m4/white_noise_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrueD1m4/white_noise_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueD1m4%2Fwhite_noise_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueD1m4%2Fwhite_noise_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c396b0c53877e1109122867afae3dea97239525
[INFO] testing TrueD1m4/white_noise_generator against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueD1m4%2Fwhite_noise_generator" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrueD1m4/white_noise_generator on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TrueD1m4/white_noise_generator
[INFO] finished tweaking git repo https://github.com/TrueD1m4/white_noise_generator
[INFO] tweaked toml for git repo https://github.com/TrueD1m4/white_noise_generator written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/TrueD1m4/white_noise_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.1.0
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded sdl2 v0.35.1
[INFO] [stderr]   Downloaded sdl2-sys v0.35.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed80bb6bcdd434309cb5d02f2575753793d54fcdfb83f3f209dfee221d2b49f6
[INFO] running `Command { std: "docker" "start" "-a" "ed80bb6bcdd434309cb5d02f2575753793d54fcdfb83f3f209dfee221d2b49f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed80bb6bcdd434309cb5d02f2575753793d54fcdfb83f3f209dfee221d2b49f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed80bb6bcdd434309cb5d02f2575753793d54fcdfb83f3f209dfee221d2b49f6", kill_on_drop: false }`
[INFO] [stdout] ed80bb6bcdd434309cb5d02f2575753793d54fcdfb83f3f209dfee221d2b49f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8594c71e622965fbb5168bc8a55826de9de9221dc0434b6ab99f07cfa634c4ab
[INFO] running `Command { std: "docker" "start" "-a" "8594c71e622965fbb5168bc8a55826de9de9221dc0434b6ab99f07cfa634c4ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling sdl2 v0.35.1
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.1
[INFO] [stderr]    Compiling white_noise_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0254]: the name `sdl2` is defined multiple times
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate sdl2;
[INFO] [stdout]   | ------------------ previous import of the extern crate `sdl2` here
[INFO] [stdout] 2 | 
[INFO] [stdout] 3 | use sdl2;
[INFO] [stdout]   |     ^^^^ `sdl2` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `sdl2` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sdl2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::audio`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::audio;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0254`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `white_noise_generator` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8594c71e622965fbb5168bc8a55826de9de9221dc0434b6ab99f07cfa634c4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8594c71e622965fbb5168bc8a55826de9de9221dc0434b6ab99f07cfa634c4ab", kill_on_drop: false }`
[INFO] [stdout] 8594c71e622965fbb5168bc8a55826de9de9221dc0434b6ab99f07cfa634c4ab