[INFO] fetching crate retro-display 0.1.0... [INFO] testing retro-display-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate retro-display 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate retro-display 0.1.0 [INFO] finished tweaking crates.io crate retro-display 0.1.0 [INFO] tweaked toml for crates.io crate retro-display 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate retro-display 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate retro-display 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b8367616f186cfd82e6691b47242635c0eea25f53f898666295cdd30ed7dbe85 [INFO] running `Command { std: "docker" "start" "-a" "b8367616f186cfd82e6691b47242635c0eea25f53f898666295cdd30ed7dbe85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8367616f186cfd82e6691b47242635c0eea25f53f898666295cdd30ed7dbe85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8367616f186cfd82e6691b47242635c0eea25f53f898666295cdd30ed7dbe85", kill_on_drop: false }` [INFO] [stdout] b8367616f186cfd82e6691b47242635c0eea25f53f898666295cdd30ed7dbe85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc329029b7ca8a797848ab1f2f32628fe9cb12f4060ee0c615de3a09fb90fd8f [INFO] running `Command { std: "docker" "start" "-a" "dc329029b7ca8a797848ab1f2f32628fe9cb12f4060ee0c615de3a09fb90fd8f", kill_on_drop: false }` [INFO] [stderr] Compiling az v1.2.1 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling embedded-graphics-core v0.4.0 [INFO] [stderr] Compiling retro-display v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | #![feature(const_trait_impl)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert` [INFO] [stdout] --> src/c64.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | impl const From for VicIIPalette { [INFO] [stdout] | ^^^^^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert` [INFO] [stdout] --> src/c64.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | impl const From for VicIIPalette { [INFO] [stdout] | ^^^^^^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert` [INFO] [stdout] --> src/c64.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 65 | impl const From for VicIIPalette { [INFO] [stdout] | ^^^^^^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert` [INFO] [stdout] --> src/c64.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | impl const From for Rgb888 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: const `impl` for trait `PixelColor` which is not `const` [INFO] [stdout] --> src/c64.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 94 | impl const PixelColor for VicIIPalette { [INFO] [stdout] | ^^^^^^^^^^ this trait is not `const` [INFO] [stdout] | [INFO] [stdout] = note: marking a trait with `const` ensures all default method bodies are `const` [INFO] [stdout] = note: adding a non-const method body in the future would be a breaking change [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: const `impl` for trait `OriginDimensions` which is not `const` [INFO] [stdout] --> src/c64.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 150 | impl const OriginDimensions for PetsciiDisplay { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ this trait is not `const` [INFO] [stdout] | [INFO] [stdout] = note: marking a trait with `const` ensures all default method bodies are `const` [INFO] [stdout] = note: adding a non-const method body in the future would be a breaking change [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Gray8: [const] From` is not satisfied [INFO] [stdout] --> src/c64.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | Gray8::from(value).into() [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/retro_display-d7ecb9f5dd9cc982.long-type-18409101647277641830.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Gray8: [const] From` is not satisfied [INFO] [stdout] --> src/c64.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | Gray8::from(value).into() [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/retro_display-d7ecb9f5dd9cc982.long-type-695157557138823156.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0015]: cannot call non-const method `::luma` in constant functions [INFO] [stdout] --> src/c64.rs:47:21 [INFO] [stdout] | [INFO] [stdout] 47 | match value.luma() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0015, E0277, E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0015`. [INFO] [stdout] [INFO] [stderr] error: could not compile `retro-display` (lib) due to 10 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "dc329029b7ca8a797848ab1f2f32628fe9cb12f4060ee0c615de3a09fb90fd8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc329029b7ca8a797848ab1f2f32628fe9cb12f4060ee0c615de3a09fb90fd8f", kill_on_drop: false }` [INFO] [stdout] dc329029b7ca8a797848ab1f2f32628fe9cb12f4060ee0c615de3a09fb90fd8f