[INFO] fetching crate variant_enum 0.1.0... [INFO] testing variant_enum-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate variant_enum 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate variant_enum 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate variant_enum 0.1.0 [INFO] tweaked toml for crates.io crate variant_enum 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate variant_enum 0.1.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate variant_enum 0.1.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 78685a6a0fb62bd597ccbac271fcb05dc2fce48295132b78718af55fd460aff8 [INFO] running `Command { std: "docker" "start" "-a" "78685a6a0fb62bd597ccbac271fcb05dc2fce48295132b78718af55fd460aff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "78685a6a0fb62bd597ccbac271fcb05dc2fce48295132b78718af55fd460aff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78685a6a0fb62bd597ccbac271fcb05dc2fce48295132b78718af55fd460aff8", kill_on_drop: false }` [INFO] [stdout] 78685a6a0fb62bd597ccbac271fcb05dc2fce48295132b78718af55fd460aff8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 148aebbff8516d3ab5bb5ddeb7ad2cbc6f49b4e2f899cd4dfa5df0a3dafbfefc [INFO] running `Command { std: "docker" "start" "-a" "148aebbff8516d3ab5bb5ddeb7ad2cbc6f49b4e2f899cd4dfa5df0a3dafbfefc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.68 [INFO] [stderr] Compiling variant_enum v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `parse_quote_spanned` [INFO] [stdout] --> src/lib.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use syn::{parse_macro_input, parse_quote, parse_quote_spanned, Expr, Field, FieldMutability, Fields, FieldsUnnamed, ItemEnum, Visibility}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.38s [INFO] running `Command { std: "docker" "inspect" "148aebbff8516d3ab5bb5ddeb7ad2cbc6f49b4e2f899cd4dfa5df0a3dafbfefc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "148aebbff8516d3ab5bb5ddeb7ad2cbc6f49b4e2f899cd4dfa5df0a3dafbfefc", kill_on_drop: false }` [INFO] [stdout] 148aebbff8516d3ab5bb5ddeb7ad2cbc6f49b4e2f899cd4dfa5df0a3dafbfefc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8008bc9c1c3b7e9da0cea161f71b40ca3bc947c0f1309153e4b017e97774930e [INFO] running `Command { std: "docker" "start" "-a" "8008bc9c1c3b7e9da0cea161f71b40ca3bc947c0f1309153e4b017e97774930e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.68 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Compiling variant_enum v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `parse_quote_spanned` [INFO] [stdout] --> src/lib.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use syn::{parse_macro_input, parse_quote, parse_quote_spanned, Expr, Field, FieldMutability, Fields, FieldsUnnamed, ItemEnum, Visibility}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parse_quote_spanned` [INFO] [stdout] --> src/lib.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | use syn::{parse_macro_input, parse_quote, parse_quote_spanned, Expr, Field, FieldMutability, Fields, FieldsUnnamed, ItemEnum, Visibility}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `b`, `c`, and `d` are never read [INFO] [stdout] --> examples/readme.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 7 | A { [INFO] [stdout] | - fields in this struct [INFO] [stdout] 8 | pub a: u32, [INFO] [stdout] 9 | b: f32, [INFO] [stdout] | ^ [INFO] [stdout] 10 | c: usize, [INFO] [stdout] | ^ [INFO] [stdout] 11 | d: String, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `A` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `foo` is never read [INFO] [stdout] --> examples/readme.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | B { [INFO] [stdout] | - field in this struct [INFO] [stdout] 14 | foo: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `B` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bar` is never read [INFO] [stdout] --> examples/readme.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | C { [INFO] [stdout] | - field in this struct [INFO] [stdout] 17 | bar: bool, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `C` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.30s [INFO] running `Command { std: "docker" "inspect" "8008bc9c1c3b7e9da0cea161f71b40ca3bc947c0f1309153e4b017e97774930e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8008bc9c1c3b7e9da0cea161f71b40ca3bc947c0f1309153e4b017e97774930e", kill_on_drop: false }` [INFO] [stdout] 8008bc9c1c3b7e9da0cea161f71b40ca3bc947c0f1309153e4b017e97774930e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e628e6586d8bcf42e21490f502e20c1a25621916282c28514858a0b174aec9c4 [INFO] running `Command { std: "docker" "start" "-a" "e628e6586d8bcf42e21490f502e20c1a25621916282c28514858a0b174aec9c4", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `parse_quote_spanned` [INFO] [stderr] --> src/lib.rs:5:43 [INFO] [stderr] | [INFO] [stderr] 5 | use syn::{parse_macro_input, parse_quote, parse_quote_spanned, Expr, Field, FieldMutability, Fields, FieldsUnnamed, ItemEnum, Visibility}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `variant_enum` (lib) generated 1 warning (run `cargo fix --lib -p variant_enum` to apply 1 suggestion) [INFO] [stderr] warning: fields `b`, `c`, and `d` are never read [INFO] [stderr] --> examples/readme.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 7 | A { [INFO] [stderr] | - fields in this struct [INFO] [stderr] 8 | pub a: u32, [INFO] [stderr] 9 | b: f32, [INFO] [stderr] | ^ [INFO] [stderr] 10 | c: usize, [INFO] [stderr] | ^ [INFO] [stderr] 11 | d: String, [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `A` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `foo` is never read [INFO] [stderr] --> examples/readme.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 13 | B { [INFO] [stderr] | - field in this struct [INFO] [stderr] 14 | foo: String, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `B` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `bar` is never read [INFO] [stderr] --> examples/readme.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 16 | C { [INFO] [stderr] | - field in this struct [INFO] [stderr] 17 | bar: bool, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `C` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `variant_enum` (example "readme") generated 3 warnings [INFO] [stderr] warning: `variant_enum` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/variant_enum-b6be6281cfcf93ad) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests variant_enum [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e628e6586d8bcf42e21490f502e20c1a25621916282c28514858a0b174aec9c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e628e6586d8bcf42e21490f502e20c1a25621916282c28514858a0b174aec9c4", kill_on_drop: false }` [INFO] [stdout] e628e6586d8bcf42e21490f502e20c1a25621916282c28514858a0b174aec9c4