[INFO] cloning repository https://github.com/dbr/imgui-software-renderer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbr/imgui-software-renderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbr%2Fimgui-software-renderer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbr%2Fimgui-software-renderer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7a9b9acfeb7a93b8991ee557d96c8ef031b4237
[INFO] testing dbr/imgui-software-renderer against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbr%2Fimgui-software-renderer" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbr/imgui-software-renderer 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/dbr/imgui-software-renderer
[INFO] finished tweaking git repo https://github.com/dbr/imgui-software-renderer
[INFO] tweaked toml for git repo https://github.com/dbr/imgui-software-renderer written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/dbr/imgui-software-renderer 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-skia v0.5.1
[INFO] [stderr]   Downloaded safe_arch v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] be006ebab2e4c3708d094429ce6f51bff8c34206f72290bb57ea8cd7100dc8b3
[INFO] running `Command { std: "docker" "start" "-a" "be006ebab2e4c3708d094429ce6f51bff8c34206f72290bb57ea8cd7100dc8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be006ebab2e4c3708d094429ce6f51bff8c34206f72290bb57ea8cd7100dc8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be006ebab2e4c3708d094429ce6f51bff8c34206f72290bb57ea8cd7100dc8b3", kill_on_drop: false }`
[INFO] [stdout] be006ebab2e4c3708d094429ce6f51bff8c34206f72290bb57ea8cd7100dc8b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] ba5104a9e0b83591249fd732ad42a11dea8fc7f01c5d6e21a4451debefebdf1c
[INFO] running `Command { std: "docker" "start" "-a" "ba5104a9e0b83591249fd732ad42a11dea8fc7f01c5d6e21a4451debefebdf1c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling chlorine v1.0.7
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling imgui-sys v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling tiny-skia v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling imgui v0.7.0
[INFO] [stderr]    Compiling imgui-software-renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `col_p1`
[INFO] [stdout]   --> src/drawing.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     col_p1: [u8; 4],
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_p1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_p2`
[INFO] [stdout]   --> src/drawing.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     col_p2: [u8; 4],
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]    --> src/drawing.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut counter = 0;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_counter` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `imgui_software_renderer`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imgui-software-renderer` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ba5104a9e0b83591249fd732ad42a11dea8fc7f01c5d6e21a4451debefebdf1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5104a9e0b83591249fd732ad42a11dea8fc7f01c5d6e21a4451debefebdf1c", kill_on_drop: false }`
[INFO] [stdout] ba5104a9e0b83591249fd732ad42a11dea8fc7f01c5d6e21a4451debefebdf1c