[INFO] fetching crate subject-derive 0.0.29...
[INFO] testing subject-derive-0.0.29 against beta-2026-04-21 for beta-1.96-2
[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-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdde097ba107dd9734d1a8251bcf29fa562fe4896da2c89d5aeaddae6b948e7e
[INFO] running `Command { std: "docker" "start" "-a" "bdde097ba107dd9734d1a8251bcf29fa562fe4896da2c89d5aeaddae6b948e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdde097ba107dd9734d1a8251bcf29fa562fe4896da2c89d5aeaddae6b948e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdde097ba107dd9734d1a8251bcf29fa562fe4896da2c89d5aeaddae6b948e7e", kill_on_drop: false }`
[INFO] [stdout] bdde097ba107dd9734d1a8251bcf29fa562fe4896da2c89d5aeaddae6b948e7e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ecdc44bb553b768603ed242f4b2108d45fb78949845f4236685f21dc412bdcd
[INFO] running `Command { std: "docker" "start" "-a" "5ecdc44bb553b768603ed242f4b2108d45fb78949845f4236685f21dc412bdcd", 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<Field, Comma>) -> Vec<FieldInfo> {
[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<Field, Comma>) -> Vec<FieldInfo<'_>> {
[INFO] [stdout]     |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.15s
[INFO] running `Command { std: "docker" "inspect" "5ecdc44bb553b768603ed242f4b2108d45fb78949845f4236685f21dc412bdcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecdc44bb553b768603ed242f4b2108d45fb78949845f4236685f21dc412bdcd", kill_on_drop: false }`
[INFO] [stdout] 5ecdc44bb553b768603ed242f4b2108d45fb78949845f4236685f21dc412bdcd
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef43a9e67b5961a4b4a94e9f3f8af087813baafbc4fc6e7842ab37495930a2f4
[INFO] running `Command { std: "docker" "start" "-a" "ef43a9e67b5961a4b4a94e9f3f8af087813baafbc4fc6e7842ab37495930a2f4", 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<Field, Comma>) -> Vec<FieldInfo> {
[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<Field, Comma>) -> Vec<FieldInfo<'_>> {
[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<Field, Comma>) -> Vec<FieldInfo> {
[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<Field, Comma>) -> Vec<FieldInfo<'_>> {
[INFO] [stdout]     |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "ef43a9e67b5961a4b4a94e9f3f8af087813baafbc4fc6e7842ab37495930a2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef43a9e67b5961a4b4a94e9f3f8af087813baafbc4fc6e7842ab37495930a2f4", kill_on_drop: false }`
[INFO] [stdout] ef43a9e67b5961a4b4a94e9f3f8af087813baafbc4fc6e7842ab37495930a2f4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b47fdc6c8eb08a046f0e39a424d77b4f6552ad87f61d87955747bbb49e603da5
[INFO] running `Command { std: "docker" "start" "-a" "b47fdc6c8eb08a046f0e39a424d77b4f6552ad87f61d87955747bbb49e603da5", 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<Field, Comma>) -> Vec<FieldInfo> {
[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<Field, Comma>) -> Vec<FieldInfo<'_>> {
[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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/subject_derive-a264219a741c43fb)
[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" "b47fdc6c8eb08a046f0e39a424d77b4f6552ad87f61d87955747bbb49e603da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47fdc6c8eb08a046f0e39a424d77b4f6552ad87f61d87955747bbb49e603da5", kill_on_drop: false }`
[INFO] [stdout] b47fdc6c8eb08a046f0e39a424d77b4f6552ad87f61d87955747bbb49e603da5
