[INFO] fetching crate serry-derive 0.1.0... [INFO] testing serry-derive-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate serry-derive 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate serry-derive 0.1.0 [INFO] finished tweaking crates.io crate serry-derive 0.1.0 [INFO] tweaked toml for crates.io crate serry-derive 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate serry-derive 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 4 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 51782af38184f1cc644f10e8583d74ab9d81c090e70e69cc894b9c2aaddf09ac [INFO] running `Command { std: "docker" "start" "-a" "51782af38184f1cc644f10e8583d74ab9d81c090e70e69cc894b9c2aaddf09ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51782af38184f1cc644f10e8583d74ab9d81c090e70e69cc894b9c2aaddf09ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51782af38184f1cc644f10e8583d74ab9d81c090e70e69cc894b9c2aaddf09ac", kill_on_drop: false }` [INFO] [stdout] 51782af38184f1cc644f10e8583d74ab9d81c090e70e69cc894b9c2aaddf09ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c1ed673aac24b2027eafc49dd5b3849d46d249d9a0181e8aebd84b329693d81b [INFO] running `Command { std: "docker" "start" "-a" "c1ed673aac24b2027eafc49dd5b3849d46d249d9a0181e8aebd84b329693d81b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling serry-derive v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `all` is never used [INFO] [stdout] --> src/sized.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl Predict { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 29 | fn all(v: impl ToTokens) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:51:27 [INFO] [stdout] | [INFO] [stdout] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option { [INFO] [stdout] | ^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:302:27 [INFO] [stdout] | [INFO] [stdout] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result { [INFO] [stdout] | ^^^^^^^^^^ the lifetime is elided here ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:410:12 [INFO] [stdout] | [INFO] [stdout] 410 | attrs: &Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 411 | fields: SerryAttrFields, [INFO] [stdout] 412 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 412 | ) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s [INFO] running `Command { std: "docker" "inspect" "c1ed673aac24b2027eafc49dd5b3849d46d249d9a0181e8aebd84b329693d81b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1ed673aac24b2027eafc49dd5b3849d46d249d9a0181e8aebd84b329693d81b", kill_on_drop: false }` [INFO] [stdout] c1ed673aac24b2027eafc49dd5b3849d46d249d9a0181e8aebd84b329693d81b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 52328520e9a0b735448eea25ab995ede4138cbe414c15deb87266b5b0b8f56b9 [INFO] running `Command { std: "docker" "start" "-a" "52328520e9a0b735448eea25ab995ede4138cbe414c15deb87266b5b0b8f56b9", kill_on_drop: false }` [INFO] [stderr] Compiling serry-derive v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `all` is never used [INFO] [stdout] --> src/sized.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl Predict { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 29 | fn all(v: impl ToTokens) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:51:27 [INFO] [stdout] | [INFO] [stdout] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option { [INFO] [stdout] | ^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:302:27 [INFO] [stdout] | [INFO] [stdout] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result { [INFO] [stdout] | ^^^^^^^^^^ the lifetime is elided here ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:410:12 [INFO] [stdout] | [INFO] [stdout] 410 | attrs: &Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 411 | fields: SerryAttrFields, [INFO] [stdout] 412 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 412 | ) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `all` is never used [INFO] [stdout] --> src/sized.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl Predict { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 29 | fn all(v: impl ToTokens) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:51:27 [INFO] [stdout] | [INFO] [stdout] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option { [INFO] [stdout] | ^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:302:27 [INFO] [stdout] | [INFO] [stdout] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result { [INFO] [stdout] | ^^^^^^^^^^ the lifetime is elided here ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:410:12 [INFO] [stdout] | [INFO] [stdout] 410 | attrs: &Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ the lifetime is elided here [INFO] [stdout] 411 | fields: SerryAttrFields, [INFO] [stdout] 412 | ) -> Result { [INFO] [stdout] | ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 412 | ) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "52328520e9a0b735448eea25ab995ede4138cbe414c15deb87266b5b0b8f56b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52328520e9a0b735448eea25ab995ede4138cbe414c15deb87266b5b0b8f56b9", kill_on_drop: false }` [INFO] [stdout] 52328520e9a0b735448eea25ab995ede4138cbe414c15deb87266b5b0b8f56b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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", kill_on_drop: false }` [INFO] [stdout] 87d408bb85b9e9f3082c31422056a1e1d85ad00d958faf47c8a99b28f00a2b62 [INFO] running `Command { std: "docker" "start" "-a" "87d408bb85b9e9f3082c31422056a1e1d85ad00d958faf47c8a99b28f00a2b62", kill_on_drop: false }` [INFO] [stderr] warning: associated function `all` is never used [INFO] [stderr] --> src/sized.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 28 | impl Predict { [INFO] [stderr] | ------------ associated function in this implementation [INFO] [stderr] 29 | fn all(v: impl ToTokens) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:51:27 [INFO] [stderr] | [INFO] [stderr] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option { [INFO] [stderr] | ^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 51 | fn process_fields(fields: &Fields, field_order: FieldOrder) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:302:27 [INFO] [stderr] | [INFO] [stderr] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result { [INFO] [stderr] | ^^^^^^^^^^ the lifetime is elided here ^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 302 | fn parse_serry_attr(attr: &Attribute, fields: SerryAttrFields) -> Result, Error> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:410:12 [INFO] [stderr] | [INFO] [stderr] 410 | attrs: &Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^ the lifetime is elided here [INFO] [stderr] 411 | fields: SerryAttrFields, [INFO] [stderr] 412 | ) -> Result { [INFO] [stderr] | ^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 412 | ) -> Result, Error> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `serry-derive` (lib) generated 4 warnings (run `cargo fix --lib -p serry-derive` to apply 3 suggestions) [INFO] [stderr] warning: `serry-derive` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serry_derive-7c3ecbdb65bd4275) [INFO] [stderr] Doc-tests serry_derive [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] [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" "87d408bb85b9e9f3082c31422056a1e1d85ad00d958faf47c8a99b28f00a2b62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87d408bb85b9e9f3082c31422056a1e1d85ad00d958faf47c8a99b28f00a2b62", kill_on_drop: false }` [INFO] [stdout] 87d408bb85b9e9f3082c31422056a1e1d85ad00d958faf47c8a99b28f00a2b62