[INFO] fetching crate zoon 0.1.6... [INFO] checking zoon-0.1.6 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate zoon 0.1.6 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate zoon 0.1.6 [INFO] finished tweaking crates.io crate zoon 0.1.6 [INFO] tweaked toml for crates.io crate zoon 0.1.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate zoon 0.1.6 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate zoon 0.1.6 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3dda413914ef74968463e69fb5509e9aa7d92776c28d50fa7e8efc450d569c03 [INFO] running `Command { std: "docker" "start" "-a" "3dda413914ef74968463e69fb5509e9aa7d92776c28d50fa7e8efc450d569c03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3dda413914ef74968463e69fb5509e9aa7d92776c28d50fa7e8efc450d569c03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dda413914ef74968463e69fb5509e9aa7d92776c28d50fa7e8efc450d569c03", kill_on_drop: false }` [INFO] [stdout] 3dda413914ef74968463e69fb5509e9aa7d92776c28d50fa7e8efc450d569c03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51758e4e770fe1ff20165da29404c6dbaaa5f9161f70cb7511d57fd197ad0a74 [INFO] running `Command { std: "docker" "start" "-a" "51758e4e770fe1ff20165da29404c6dbaaa5f9161f70cb7511d57fd197ad0a74", kill_on_drop: false }` [INFO] [stderr] Checking zoon v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable const library feature `const_from` [INFO] [stdout] --> src/state/state.rs:228:19 [INFO] [stdout] | [INFO] [stdout] 228 | impl const From for State { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] = help: add `#![feature(const_from)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_from` [INFO] [stdout] --> src/state/state.rs:228:19 [INFO] [stdout] | [INFO] [stdout] 228 | impl const From for State { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] = help: add `#![feature(const_from)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-19; 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] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `zoon` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `zoon` (lib test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "51758e4e770fe1ff20165da29404c6dbaaa5f9161f70cb7511d57fd197ad0a74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51758e4e770fe1ff20165da29404c6dbaaa5f9161f70cb7511d57fd197ad0a74", kill_on_drop: false }` [INFO] [stdout] 51758e4e770fe1ff20165da29404c6dbaaa5f9161f70cb7511d57fd197ad0a74