[INFO] fetching crate const-enum 0.1.0... [INFO] testing const-enum-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate const-enum 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml [INFO] started tweaking crates.io crate const-enum 0.1.0 [INFO] finished tweaking crates.io crate const-enum 0.1.0 [INFO] tweaked toml for crates.io crate const-enum 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate const-enum 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.106) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d320898f51291c4c5942fe7b315b30969f525490302bbab1adccf44e8d07ada [INFO] running `Command { std: "docker" "start" "-a" "2d320898f51291c4c5942fe7b315b30969f525490302bbab1adccf44e8d07ada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d320898f51291c4c5942fe7b315b30969f525490302bbab1adccf44e8d07ada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d320898f51291c4c5942fe7b315b30969f525490302bbab1adccf44e8d07ada", kill_on_drop: false }` [INFO] [stdout] 2d320898f51291c4c5942fe7b315b30969f525490302bbab1adccf44e8d07ada [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=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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 454ea48827b689dfe4d456357fe142fad453a6747cd00da59608bc30c4447c93 [INFO] running `Command { std: "docker" "start" "-a" "454ea48827b689dfe4d456357fe142fad453a6747cd00da59608bc30c4447c93", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling const-enum v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s [INFO] running `Command { std: "docker" "inspect" "454ea48827b689dfe4d456357fe142fad453a6747cd00da59608bc30c4447c93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "454ea48827b689dfe4d456357fe142fad453a6747cd00da59608bc30c4447c93", kill_on_drop: false }` [INFO] [stdout] 454ea48827b689dfe4d456357fe142fad453a6747cd00da59608bc30c4447c93 [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=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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 743dc3edd2823f6d1a545a6b94eea39730e1417ed373dd275c3ff13ca7ccf217 [INFO] running `Command { std: "docker" "start" "-a" "743dc3edd2823f6d1a545a6b94eea39730e1417ed373dd275c3ff13ca7ccf217", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling target-triple v0.1.4 [INFO] [stderr] Compiling winnow v0.7.13 [INFO] [stderr] Compiling toml_writer v1.0.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde_spanned v1.0.0 [INFO] [stderr] Compiling toml_datetime v0.7.0 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling toml_parser v1.0.2 [INFO] [stderr] Compiling toml v0.9.5 [INFO] [stderr] Compiling const-enum v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling trybuild v1.0.110 [INFO] [stdout] error[E0658]: use of unstable const library feature `const_from` [INFO] [stdout] --> tests/test.rs:5:45 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Copy, Clone, Debug, Eq, PartialEq, ConstEnum)] [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 2025-08-27; consider upgrading it if it is out of date [INFO] [stdout] = note: this error originates in the derive macro `ConstEnum` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `const-enum` (test "test") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0658]: use of unstable const library feature `const_from` [INFO] [stdout] --> tests/example.rs:5:45 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Copy, Clone, Debug, Eq, PartialEq, ConstEnum)] [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 2025-08-27; consider upgrading it if it is out of date [INFO] [stdout] = note: this error originates in the derive macro `ConstEnum` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `const-enum` (test "example") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "743dc3edd2823f6d1a545a6b94eea39730e1417ed373dd275c3ff13ca7ccf217", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "743dc3edd2823f6d1a545a6b94eea39730e1417ed373dd275c3ff13ca7ccf217", kill_on_drop: false }` [INFO] [stdout] 743dc3edd2823f6d1a545a6b94eea39730e1417ed373dd275c3ff13ca7ccf217