[INFO] fetching crate subject-derive 0.0.29... [INFO] testing subject-derive-0.0.29 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate subject-derive 0.0.29 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate subject-derive 0.0.29 [INFO] finished tweaking crates.io crate subject-derive 0.0.29 [INFO] tweaked toml for crates.io crate subject-derive 0.0.29 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate subject-derive 0.0.29 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] crate crates.io crate subject-derive 0.0.29 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3f23c347006fceb914b6b94c9997a6ccdda8f23fecf32c2c7b5fad10fc53a7c6 [INFO] running `Command { std: "docker" "start" "-a" "3f23c347006fceb914b6b94c9997a6ccdda8f23fecf32c2c7b5fad10fc53a7c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f23c347006fceb914b6b94c9997a6ccdda8f23fecf32c2c7b5fad10fc53a7c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f23c347006fceb914b6b94c9997a6ccdda8f23fecf32c2c7b5fad10fc53a7c6", kill_on_drop: false }` [INFO] [stdout] 3f23c347006fceb914b6b94c9997a6ccdda8f23fecf32c2c7b5fad10fc53a7c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 84f0acca964d0630455be7bbea6f1d9d514e19202b78a9082cc40745d9ab826b [INFO] running `Command { std: "docker" "start" "-a" "84f0acca964d0630455be7bbea6f1d9d514e19202b78a9082cc40745d9ab826b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.39 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling subject-derive v0.0.29 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/fields.rs:173:34 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn names_from_fields(fields: &Punctuated) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 173 | pub fn names_from_fields(fields: &Punctuated) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.01s [INFO] running `Command { std: "docker" "inspect" "84f0acca964d0630455be7bbea6f1d9d514e19202b78a9082cc40745d9ab826b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84f0acca964d0630455be7bbea6f1d9d514e19202b78a9082cc40745d9ab826b", kill_on_drop: false }` [INFO] [stdout] 84f0acca964d0630455be7bbea6f1d9d514e19202b78a9082cc40745d9ab826b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d1914df6ea2646a00c31fa8b745df6d180c605efd30d59bff349817ad0463288 [INFO] running `Command { std: "docker" "start" "-a" "d1914df6ea2646a00c31fa8b745df6d180c605efd30d59bff349817ad0463288", kill_on_drop: false }` [INFO] [stderr] Compiling subject-derive v0.0.29 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/fields.rs:173:34 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn names_from_fields(fields: &Punctuated) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 173 | pub fn names_from_fields(fields: &Punctuated) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/fields.rs:173:34 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn names_from_fields(fields: &Punctuated) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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] 173 | pub fn names_from_fields(fields: &Punctuated) -> Vec> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "d1914df6ea2646a00c31fa8b745df6d180c605efd30d59bff349817ad0463288", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1914df6ea2646a00c31fa8b745df6d180c605efd30d59bff349817ad0463288", kill_on_drop: false }` [INFO] [stdout] d1914df6ea2646a00c31fa8b745df6d180c605efd30d59bff349817ad0463288 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f20a4320bf6d2a4de9fbb018710e473a043d9949821c970cfff6fb2cd07eceb0 [INFO] running `Command { std: "docker" "start" "-a" "f20a4320bf6d2a4de9fbb018710e473a043d9949821c970cfff6fb2cd07eceb0", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/fields.rs:173:34 [INFO] [stderr] | [INFO] [stderr] 173 | pub fn names_from_fields(fields: &Punctuated) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided 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] 173 | pub fn names_from_fields(fields: &Punctuated) -> Vec> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `subject-derive` (lib) generated 1 warning (run `cargo fix --lib -p subject-derive` to apply 1 suggestion) [INFO] [stderr] warning: `subject-derive` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/subject_derive-57b16dd6f5de23c0) [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 subject_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] running `Command { std: "docker" "inspect" "f20a4320bf6d2a4de9fbb018710e473a043d9949821c970cfff6fb2cd07eceb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f20a4320bf6d2a4de9fbb018710e473a043d9949821c970cfff6fb2cd07eceb0", kill_on_drop: false }` [INFO] [stdout] f20a4320bf6d2a4de9fbb018710e473a043d9949821c970cfff6fb2cd07eceb0