[INFO] fetching crate powerset-enum 0.1.0... [INFO] testing powerset-enum-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate powerset-enum 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate powerset-enum 0.1.0 [INFO] finished tweaking crates.io crate powerset-enum 0.1.0 [INFO] tweaked toml for crates.io crate powerset-enum 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate powerset-enum 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9572529dc39ad68356f3b42aec5fb47d1c039e37bde4fe9981b917e825e8a134 [INFO] running `Command { std: "docker" "start" "-a" "9572529dc39ad68356f3b42aec5fb47d1c039e37bde4fe9981b917e825e8a134", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9572529dc39ad68356f3b42aec5fb47d1c039e37bde4fe9981b917e825e8a134", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9572529dc39ad68356f3b42aec5fb47d1c039e37bde4fe9981b917e825e8a134", kill_on_drop: false }` [INFO] [stdout] 9572529dc39ad68356f3b42aec5fb47d1c039e37bde4fe9981b917e825e8a134 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0bd832ae5ee748684d759c8ade9d54c08538d077726afb88bdfb96d35b9aa6e2 [INFO] running `Command { std: "docker" "start" "-a" "0bd832ae5ee748684d759c8ade9d54c08538d077726afb88bdfb96d35b9aa6e2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling powerset-enum-traits v0.1.0 [INFO] [stderr] Compiling powerset-enum-attr v0.1.0 [INFO] [stderr] Compiling powerset-enum v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.71s [INFO] running `Command { std: "docker" "inspect" "0bd832ae5ee748684d759c8ade9d54c08538d077726afb88bdfb96d35b9aa6e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bd832ae5ee748684d759c8ade9d54c08538d077726afb88bdfb96d35b9aa6e2", kill_on_drop: false }` [INFO] [stdout] 0bd832ae5ee748684d759c8ade9d54c08538d077726afb88bdfb96d35b9aa6e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b352510a026359b568f0573e01ea5df30175e633efedc0a7b73c7790b5843296 [INFO] running `Command { std: "docker" "start" "-a" "b352510a026359b568f0573e01ea5df30175e633efedc0a7b73c7790b5843296", kill_on_drop: false }` [INFO] [stderr] Compiling powerset-enum v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> tests/tests.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(never_type, exhaustive_patterns, proc_macro_hygiene)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> examples/example.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(never_type, exhaustive_patterns, proc_macro_hygiene)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `serde_derive` [INFO] [stdout] --> examples/without_powerset_enums.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use serde_derive::Deserialize; [INFO] [stdout] | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `serde_derive` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_derive`, use `cargo add serde_derive` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `err_derive` [INFO] [stdout] --> examples/without_powerset_enums.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Debug, err_derive::Error)] [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `err_derive` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `err_derive` [INFO] [stdout] --> examples/without_powerset_enums.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | #[derive(Debug, err_derive::Error)] [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `err_derive` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `powerset-enum` (example "example") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `powerset-enum` (test "tests") due to 1 previous error [INFO] [stdout] error: cannot find attribute `error` in this scope [INFO] [stdout] --> examples/without_powerset_enums.rs:9:3 [INFO] [stdout] | [INFO] [stdout] 9 | #[error(display = "field is out of range")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `serde_derive` [INFO] [stdout] --> examples/with_powerset_enums.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use serde_derive::Deserialize; [INFO] [stdout] | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `serde_derive` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_derive`, use `cargo add serde_derive` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `err_derive` [INFO] [stdout] --> examples/with_powerset_enums.rs:12:17 [INFO] [stdout] | [INFO] [stdout] 12 | #[derive(Debug, err_derive::Error)] [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `err_derive` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `error` in this scope [INFO] [stdout] --> examples/without_powerset_enums.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | #[error(display = "{}", _0)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `error` in this scope [INFO] [stdout] --> examples/without_powerset_enums.rs:16:7 [INFO] [stdout] | [INFO] [stdout] 16 | #[error(display = "{}", _0)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `error` in this scope [INFO] [stdout] --> examples/without_powerset_enums.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | #[error(display = "{}", _0)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `regex` [INFO] [stdout] --> examples/without_powerset_enums.rs:53:30 [INFO] [stdout] | [INFO] [stdout] 53 | if let Some(m) = regex::Regex::new(r"\d+").unwrap().find(&content) { [INFO] [stdout] | ^^^^^ use of unresolved module or unlinked crate `regex` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `regex`, use `cargo add regex` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `error` in this scope [INFO] [stdout] --> examples/with_powerset_enums.rs:13:3 [INFO] [stdout] | [INFO] [stdout] 13 | #[error(display = "field is out of range")] [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] --> examples/without_powerset_enums.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | serde_json::from_reader(file).map_err(Error::JsonError) [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tempfile` [INFO] [stdout] --> examples/without_powerset_enums.rs:67:19 [INFO] [stdout] | [INFO] [stdout] 67 | let tempdir = tempfile::tempdir().unwrap(); [INFO] [stdout] | ^^^^^^^^ use of unresolved module or unlinked crate `tempfile` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `tempfile`, use `cargo add tempfile` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] --> examples/without_powerset_enums.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | JsonError(serde_json::Error), [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `powerset-enum` (example "without_powerset_enums") due to 11 previous errors [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `regex` [INFO] [stdout] --> examples/with_powerset_enums.rs:52:30 [INFO] [stdout] | [INFO] [stdout] 52 | if let Some(m) = regex::Regex::new(r"\d+").unwrap().find(&content) { [INFO] [stdout] | ^^^^^ use of unresolved module or unlinked crate `regex` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `regex`, use `cargo add regex` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> examples/with_powerset_enums.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(never_type, exhaustive_patterns, proc_macro_hygiene)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> examples/with_powerset_enums.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | #[powerset_enum] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ expected `!`, found type parameter `T1` [INFO] [stdout] 17 | #[derive(Debug)] [INFO] [stdout] 18 | enum Error { [INFO] [stdout] | ______- [INFO] [stdout] 19 | | IoError(io::Error), [INFO] [stdout] 20 | | JsonError(serde_json::Error), [INFO] [stdout] | |_____________- arguments to this enum variant are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected type `!` [INFO] [stdout] found type parameter `T1` [INFO] [stdout] help: the type constructed contains `T1` due to the type of the argument passed [INFO] [stdout] --> examples/with_powerset_enums.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | #[powerset_enum] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ this argument influences the type of `JsonError` [INFO] [stdout] note: tuple variant defined here [INFO] [stdout] --> examples/with_powerset_enums.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | JsonError(serde_json::Error), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: this error originates in the attribute macro `powerset_enum` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] --> examples/with_powerset_enums.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | Ok(serde_json::from_reader(file)?) [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tempfile` [INFO] [stdout] --> examples/with_powerset_enums.rs:66:19 [INFO] [stdout] | [INFO] [stdout] 66 | let tempdir = tempfile::tempdir().unwrap(); [INFO] [stdout] | ^^^^^^^^ use of unresolved module or unlinked crate `tempfile` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `tempfile`, use `cargo add tempfile` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] --> examples/with_powerset_enums.rs:20:15 [INFO] [stdout] | [INFO] [stdout] 20 | JsonError(serde_json::Error), [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] --> examples/with_powerset_enums.rs:29:76 [INFO] [stdout] | [INFO] [stdout] 29 | fn load_data_file_unchecked(path: &Path) -> Result { [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] --> examples/with_powerset_enums.rs:42:66 [INFO] [stdout] | [INFO] [stdout] 42 | fn load_data_file_or_default(path: &Path) -> Result { [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] --> examples/with_powerset_enums.rs:34:66 [INFO] [stdout] | [INFO] [stdout] 34 | fn load_data_file(path: &Path) -> Result { [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0432, E0433, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `powerset-enum` (example "with_powerset_enums") due to 12 previous errors [INFO] running `Command { std: "docker" "inspect" "b352510a026359b568f0573e01ea5df30175e633efedc0a7b73c7790b5843296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b352510a026359b568f0573e01ea5df30175e633efedc0a7b73c7790b5843296", kill_on_drop: false }` [INFO] [stdout] b352510a026359b568f0573e01ea5df30175e633efedc0a7b73c7790b5843296