[INFO] cloning repository https://github.com/Earthcomputer/sudokusolve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Earthcomputer/sudokusolve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarthcomputer%2Fsudokusolve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarthcomputer%2Fsudokusolve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 904a03cd8d92a6011f1f2a7aa0ac97b3996dd864
[INFO] testing Earthcomputer/sudokusolve against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEarthcomputer%2Fsudokusolve" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Earthcomputer/sudokusolve on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Earthcomputer/sudokusolve
[INFO] finished tweaking git repo https://github.com/Earthcomputer/sudokusolve
[INFO] tweaked toml for git repo https://github.com/Earthcomputer/sudokusolve written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Earthcomputer/sudokusolve 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded egui_glow v0.19.0
[INFO] [stderr]   Downloaded z3 v0.11.2
[INFO] [stderr]   Downloaded z3-sys v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75ed1ca68192cd07605b97a0496a1505b9fa71dc8c49670eac2093397dad3687
[INFO] running `Command { std: "docker" "start" "-a" "75ed1ca68192cd07605b97a0496a1505b9fa71dc8c49670eac2093397dad3687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75ed1ca68192cd07605b97a0496a1505b9fa71dc8c49670eac2093397dad3687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ed1ca68192cd07605b97a0496a1505b9fa71dc8c49670eac2093397dad3687", kill_on_drop: false }`
[INFO] [stdout] 75ed1ca68192cd07605b97a0496a1505b9fa71dc8c49670eac2093397dad3687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee6d405296e8d2035da260addba78f8e9e512f4181b00e965ba4f5d1f8efb3ae
[INFO] running `Command { std: "docker" "start" "-a" "ee6d405296e8d2035da260addba78f8e9e512f4181b00e965ba4f5d1f8efb3ae", kill_on_drop: false }`
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[INFO] [stderr]    Compiling bytemuck_derive v1.2.1
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[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling wayland-egl v0.29.5
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[INFO] [stderr]    Compiling foreign-types v0.5.0
[INFO] [stderr]    Compiling bytemuck v1.12.1
[INFO] [stderr]    Compiling tiny-skia-path v0.7.0
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[INFO] [stderr]    Compiling calloop v0.10.1
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[INFO] [stderr]    Compiling egui v0.19.0
[INFO] [stderr]    Compiling z3-sys v0.7.1
[INFO] [stderr]    Compiling egui_glow v0.19.0
[INFO] [stderr]    Compiling arboard v2.1.1
[INFO] [stderr]    Compiling z3 v0.11.2
[INFO] [stderr]    Compiling sctk-adwaita v0.4.2
[INFO] [stderr]    Compiling smithay-clipboard v0.6.6
[INFO] [stderr]    Compiling winit v0.27.4
[INFO] [stderr]    Compiling egui-winit v0.19.0
[INFO] [stderr]    Compiling glutin v0.29.1
[INFO] [stderr]    Compiling eframe v0.19.0
[INFO] [stderr]    Compiling sudokusolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(array_chunks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(array_windows)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(option_result_contains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(trait_upcasting)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(array_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(array_windows)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(option_result_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `option_result_contains`
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(option_result_contains)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `contains` found for enum `Option` in the current scope
[INFO] [stdout]   --> src/constraint/equal_sum.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 22 |             if !current_box.contains(&cell_box) {
[INFO] [stdout]    |                             ^^^^^^^^ method not found in `Option<Cell>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `contains` found for enum `Option` in the current scope
[INFO] [stdout]    --> src/ui.rs:184:51
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 if self.selected_extra_constraint.contains(&constraint_index)
[INFO] [stdout]     |                                                   ^^^^^^^^ method not found in `Option<usize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `contains` found for enum `Option` in the current scope
[INFO] [stdout]    --> src/ui.rs:617:73
[INFO] [stdout]     |
[INFO] [stdout] 617 | ...                   let selected = self.selected_constraint.contains(&constraint_index);
[INFO] [stdout]     |                                                               ^^^^^^^^ method not found in `Option<usize>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sudokusolve` (bin "sudokusolve") due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "ee6d405296e8d2035da260addba78f8e9e512f4181b00e965ba4f5d1f8efb3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee6d405296e8d2035da260addba78f8e9e512f4181b00e965ba4f5d1f8efb3ae", kill_on_drop: false }`
[INFO] [stdout] ee6d405296e8d2035da260addba78f8e9e512f4181b00e965ba4f5d1f8efb3ae
