[INFO] fetching crate maze-image 0.0.0... [INFO] testing maze-image-0.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate maze-image 0.0.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate maze-image 0.0.0 [INFO] finished tweaking crates.io crate maze-image 0.0.0 [INFO] tweaked toml for crates.io crate maze-image 0.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate maze-image 0.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 59 packages to latest compatible versions [INFO] [stderr] Adding image v0.24.9 (available: v0.25.7) [INFO] [stderr] Adding maze-core v0.0.1 (available: v0.0.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7fb574de0a8d4057dc1b5dd0b3b65440330ede600eaf4c3585d898122687a4c [INFO] running `Command { std: "docker" "start" "-a" "c7fb574de0a8d4057dc1b5dd0b3b65440330ede600eaf4c3585d898122687a4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7fb574de0a8d4057dc1b5dd0b3b65440330ede600eaf4c3585d898122687a4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7fb574de0a8d4057dc1b5dd0b3b65440330ede600eaf4c3585d898122687a4c", kill_on_drop: false }` [INFO] [stdout] c7fb574de0a8d4057dc1b5dd0b3b65440330ede600eaf4c3585d898122687a4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09c8d14d97e1b0733d508868086907814b158587d49ccad81e527e907ea444e7 [INFO] running `Command { std: "docker" "start" "-a" "09c8d14d97e1b0733d508868086907814b158587d49ccad81e527e907ea444e7", kill_on_drop: false }` [INFO] [stderr] Compiling simd-adler32 v0.3.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling weezl v0.1.10 [INFO] [stderr] Compiling half v2.6.0 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling lebe v0.5.2 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling bit_field v0.10.3 [INFO] [stderr] Compiling bytemuck v1.23.2 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling jpeg-decoder v0.3.2 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling zune-inflate v0.2.54 [INFO] [stderr] Compiling fdeflate v0.3.7 [INFO] [stderr] Compiling qoi v0.4.1 [INFO] [stderr] Compiling gif v0.13.3 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling exr v1.73.0 [INFO] [stderr] Compiling png v0.17.16 [INFO] [stderr] Compiling tiff v0.9.1 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling image v0.24.9 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling ndarray v0.15.6 [INFO] [stderr] Compiling maze-core v0.0.1 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/maze-core-0.0.1/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(generators)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.75.0; see for more information [INFO] [stdout] = note: renamed to `coroutines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::iter::from_generator` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/maze-core-0.0.1/src/square/mod.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{iter::from_generator, ops::Range}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ no `from_generator` in `iter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/maze-core-0.0.1/src/square/build_dfs.rs:79:29 [INFO] [stdout] | [INFO] [stdout] 79 | ... yield Maze2D::new(&config, &state.joints, &[]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/maze-core-0.0.1/src/square/build_dfs.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | yield Maze2D::new(&config, &state.joints, &[]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/maze-core-0.0.1/src/square/build_dfs.rs:79:29 [INFO] [stdout] | [INFO] [stdout] 79 | ... yield Maze2D::new(&config, &state.joints, &[]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/maze-core-0.0.1/src/square/build_dfs.rs:79:29 [INFO] [stdout] | [INFO] [stdout] 79 | ... yield Maze2D::new(&config, &state.joints, &[]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine [INFO] [stdout] | [INFO] [stdout] 69 | from_generator(#[coroutine] move || { [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/maze-core-0.0.1/src/square/build_dfs.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | yield Maze2D::new(&config, &state.joints, &[]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `iter_from_generator` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/maze-core-0.0.1/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(iter_from_generator)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `maze-core` (lib) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "09c8d14d97e1b0733d508868086907814b158587d49ccad81e527e907ea444e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09c8d14d97e1b0733d508868086907814b158587d49ccad81e527e907ea444e7", kill_on_drop: false }` [INFO] [stdout] 09c8d14d97e1b0733d508868086907814b158587d49ccad81e527e907ea444e7