[INFO] fetching crate mindus 5.0.37... [INFO] testing mindus-5.0.37 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate mindus 5.0.37 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate mindus 5.0.37 [INFO] finished tweaking crates.io crate mindus 5.0.37 [INFO] tweaked toml for crates.io crate mindus 5.0.37 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mindus 5.0.37 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mindus 5.0.37 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e216595f4746b19597e378aa26c600e1f1cbb118e6de9514ef910995afcadd87 [INFO] running `Command { std: "docker" "start" "-a" "e216595f4746b19597e378aa26c600e1f1cbb118e6de9514ef910995afcadd87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e216595f4746b19597e378aa26c600e1f1cbb118e6de9514ef910995afcadd87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e216595f4746b19597e378aa26c600e1f1cbb118e6de9514ef910995afcadd87", kill_on_drop: false }` [INFO] [stdout] e216595f4746b19597e378aa26c600e1f1cbb118e6de9514ef910995afcadd87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dac17802c8dfe9346862b08ddbdb7ed488f6a2f9b6ef017caf54d350d29b0c73 [INFO] running `Command { std: "docker" "start" "-a" "dac17802c8dfe9346862b08ddbdb7ed488f6a2f9b6ef017caf54d350d29b0c73", kill_on_drop: false }` [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling adler2 v2.0.1 [INFO] [stderr] Compiling siphasher v1.0.1 [INFO] [stderr] Compiling imgref v1.11.0 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling fdeflate v0.3.7 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling imgref-iter v0.4.0 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling umath v0.0.7 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling phf_shared v0.11.3 [INFO] [stderr] Compiling vecto v0.1.1 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling slur v0.1.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling fer v0.1.1 [INFO] [stderr] Compiling array_chunks v1.0.0 [INFO] [stderr] Compiling mattr v0.0.2 [INFO] [stderr] Compiling clipline v0.1.2 [INFO] [stderr] Compiling atools v0.1.7 [INFO] [stderr] Compiling hinted v0.0.2 [INFO] [stderr] Compiling png v0.17.16 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling color-hex v0.2.0 [INFO] [stderr] Compiling phf_generator v0.11.3 [INFO] [stderr] Compiling bobbin-bits v0.1.1 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling lower-macros v0.2.8 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling phf_macros v0.11.3 [INFO] [stderr] Compiling enum_dispatch v0.3.13 [INFO] [stderr] Compiling amap v0.1.2 [INFO] [stderr] Compiling implicit-fn v0.1.0 [INFO] [stderr] Compiling strconv v0.1.0 [INFO] [stderr] Compiling car v0.1.3 [INFO] [stderr] Compiling phf v0.11.3 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling lower v0.2.0 [INFO] [stderr] Compiling fimg v0.4.47 [INFO] [stdout] error[E0658]: use of unstable library feature `iter_chain`: recently added [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fimg-0.4.47/src/lib.rs:699:21 [INFO] [stdout] | [INFO] [stdout] 699 | std::iter::chain( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #125964 for more information [INFO] [stdout] = help: add `#![feature(iter_chain)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fimg` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "dac17802c8dfe9346862b08ddbdb7ed488f6a2f9b6ef017caf54d350d29b0c73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dac17802c8dfe9346862b08ddbdb7ed488f6a2f9b6ef017caf54d350d29b0c73", kill_on_drop: false }` [INFO] [stdout] dac17802c8dfe9346862b08ddbdb7ed488f6a2f9b6ef017caf54d350d29b0c73