[INFO] fetching crate decanter-derive 0.1.6... [INFO] testing decanter-derive-0.1.6 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate decanter-derive 0.1.6 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate decanter-derive 0.1.6 [INFO] finished tweaking crates.io crate decanter-derive 0.1.6 [INFO] tweaked toml for crates.io crate decanter-derive 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate decanter-derive 0.1.6 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 11 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b72759b2e8590e33206ee1d35f64946bd68e5969edc2bae3a60d5b3df9714229 [INFO] running `Command { std: "docker" "start" "-a" "b72759b2e8590e33206ee1d35f64946bd68e5969edc2bae3a60d5b3df9714229", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b72759b2e8590e33206ee1d35f64946bd68e5969edc2bae3a60d5b3df9714229", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b72759b2e8590e33206ee1d35f64946bd68e5969edc2bae3a60d5b3df9714229", kill_on_drop: false }` [INFO] [stdout] b72759b2e8590e33206ee1d35f64946bd68e5969edc2bae3a60d5b3df9714229 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 594e7da930d40029c8d0214051ef9d398d5a9ababec11bc07821c6cc9b578a32 [INFO] running `Command { std: "docker" "start" "-a" "594e7da930d40029c8d0214051ef9d398d5a9ababec11bc07821c6cc9b578a32", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling decanter-derive v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `non_exhaustive` is never read [INFO] [stdout] --> src/internal/attr/container.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Container { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 36 | pub non_exhaustive: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Container` has a derived impl for the trait `Clone`, but this is 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/internal/attr/container.rs:104:23 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn crate_path(&self) -> Cow { [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] 104 | pub fn crate_path(&self) -> Cow<'_, syn::Path> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.12s [INFO] running `Command { std: "docker" "inspect" "594e7da930d40029c8d0214051ef9d398d5a9ababec11bc07821c6cc9b578a32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "594e7da930d40029c8d0214051ef9d398d5a9ababec11bc07821c6cc9b578a32", kill_on_drop: false }` [INFO] [stdout] 594e7da930d40029c8d0214051ef9d398d5a9ababec11bc07821c6cc9b578a32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a53b9473c4bec4d634d2b391da81f4f197965a5add6163e823ded3795427e916 [INFO] running `Command { std: "docker" "start" "-a" "a53b9473c4bec4d634d2b391da81f4f197965a5add6163e823ded3795427e916", kill_on_drop: false }` [INFO] [stderr] Compiling decanter-derive v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `non_exhaustive` is never read [INFO] [stdout] --> src/internal/attr/container.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Container { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 36 | pub non_exhaustive: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Container` has a derived impl for the trait `Clone`, but this is 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/internal/attr/container.rs:104:23 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn crate_path(&self) -> Cow { [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] 104 | pub fn crate_path(&self) -> Cow<'_, syn::Path> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "a53b9473c4bec4d634d2b391da81f4f197965a5add6163e823ded3795427e916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a53b9473c4bec4d634d2b391da81f4f197965a5add6163e823ded3795427e916", kill_on_drop: false }` [INFO] [stdout] a53b9473c4bec4d634d2b391da81f4f197965a5add6163e823ded3795427e916 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d6ce5b0d40669afb36581e4856ad362008e94207e92e3664d1f6119b408fe2b9 [INFO] running `Command { std: "docker" "start" "-a" "d6ce5b0d40669afb36581e4856ad362008e94207e92e3664d1f6119b408fe2b9", kill_on_drop: false }` [INFO] [stderr] warning: field `non_exhaustive` is never read [INFO] [stderr] --> src/internal/attr/container.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 35 | pub struct Container { [INFO] [stderr] | --------- field in this struct [INFO] [stderr] 36 | pub non_exhaustive: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Container` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [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/internal/attr/container.rs:104:23 [INFO] [stderr] | [INFO] [stderr] 104 | pub fn crate_path(&self) -> Cow { [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] 104 | pub fn crate_path(&self) -> Cow<'_, syn::Path> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `decanter-derive` (lib) generated 2 warnings (run `cargo fix --lib -p decanter-derive` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Doc-tests decanter_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" "d6ce5b0d40669afb36581e4856ad362008e94207e92e3664d1f6119b408fe2b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6ce5b0d40669afb36581e4856ad362008e94207e92e3664d1f6119b408fe2b9", kill_on_drop: false }` [INFO] [stdout] d6ce5b0d40669afb36581e4856ad362008e94207e92e3664d1f6119b408fe2b9