[INFO] fetching crate datatest 0.8.0... [INFO] testing datatest-0.8.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate datatest 0.8.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate datatest 0.8.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate datatest 0.8.0 [INFO] tweaked toml for crates.io crate datatest 0.8.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate datatest 0.8.0 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 43 packages to latest compatible versions [INFO] [stderr] Adding ctor v0.2.9 (available: v0.5.0) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a7fa9ce7b66bade490c415d733dd6ec8157546c36bd85c0eb87120a83e414782 [INFO] running `Command { std: "docker" "start" "-a" "a7fa9ce7b66bade490c415d733dd6ec8157546c36bd85c0eb87120a83e414782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7fa9ce7b66bade490c415d733dd6ec8157546c36bd85c0eb87120a83e414782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7fa9ce7b66bade490c415d733dd6ec8157546c36bd85c0eb87120a83e414782", kill_on_drop: false }` [INFO] [stdout] a7fa9ce7b66bade490c415d733dd6ec8157546c36bd85c0eb87120a83e414782 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6325eb8e9a38bc0c85c15f382a2242894659dec2acd1c602cbff56739f2d8ea8 [INFO] running `Command { std: "docker" "start" "-a" "6325eb8e9a38bc0c85c15f382a2242894659dec2acd1c602cbff56739f2d8ea8", kill_on_drop: false }` [INFO] [stderr] Compiling datatest v0.8.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling unsafe-libyaml v0.2.11 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] warning: datatest@0.8.0: attempting to compile datatest on stable without opting in to subvert_stable_guarantees feature; will fail [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling datatest-derive v0.8.0 [INFO] [stderr] Compiling ctor v0.2.9 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_yaml v0.9.34+deprecated [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(unboxed_closures)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(fn_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_is_nightly` [INFO] [stdout] --> src/lib.rs:152:15 [INFO] [stdout] | [INFO] [stdout] 152 | #[cfg(not(all(feature = "rustc_is_nightly", feature = "test_case_registration")))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_is_nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_is_nightly` [INFO] [stdout] --> src/lib.rs:159:11 [INFO] [stdout] | [INFO] [stdout] 159 | #[cfg(all(feature = "rustc_is_nightly", feature = "test_case_registration"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_is_nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_TDynBenchFn` [INFO] [stdout] --> src/data.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "rustc_test_TDynBenchFn")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_TDynBenchFn` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_TDynBenchFn` [INFO] [stdout] --> src/data.rs:85:7 [INFO] [stdout] | [INFO] [stdout] 85 | #[cfg(feature = "rustc_test_TDynBenchFn")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_TDynBenchFn` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_TDynBenchFn` [INFO] [stdout] --> src/data.rs:24:11 [INFO] [stdout] | [INFO] [stdout] 24 | #[cfg(feature = "rustc_test_TDynBenchFn")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_TDynBenchFn` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_TDynBenchFn` [INFO] [stdout] --> src/data.rs:27:15 [INFO] [stdout] | [INFO] [stdout] 27 | #[cfg(not(feature = "rustc_test_TDynBenchFn"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_TDynBenchFn` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_TDynBenchFn` [INFO] [stdout] --> src/runner.rs:129:7 [INFO] [stdout] | [INFO] [stdout] 129 | #[cfg(feature = "rustc_test_TDynBenchFn")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_TDynBenchFn` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_Allow_fail` [INFO] [stdout] --> src/runner.rs:214:27 [INFO] [stdout] | [INFO] [stdout] 214 | #[cfg(feature = "rustc_test_Allow_fail")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_Allow_fail` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_Ignore_messages` [INFO] [stdout] --> src/runner.rs:219:27 [INFO] [stdout] | [INFO] [stdout] 219 | #[cfg(feature = "rustc_test_Ignore_messages")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_Ignore_messages` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_Allow_fail` [INFO] [stdout] --> src/runner.rs:275:23 [INFO] [stdout] | [INFO] [stdout] 275 | #[cfg(feature = "rustc_test_Allow_fail")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_Allow_fail` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_Ignore_messages` [INFO] [stdout] --> src/runner.rs:280:23 [INFO] [stdout] | [INFO] [stdout] 280 | #[cfg(feature = "rustc_test_Ignore_messages")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_Ignore_messages` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_TestOpts_filters_vec` [INFO] [stdout] --> src/runner.rs:322:11 [INFO] [stdout] | [INFO] [stdout] 322 | #[cfg(feature = "rustc_test_TestOpts_filters_vec")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_TestOpts_filters_vec` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_TestOpts_filters_vec` [INFO] [stdout] --> src/runner.rs:332:15 [INFO] [stdout] | [INFO] [stdout] 332 | #[cfg(not(feature = "rustc_test_TestOpts_filters_vec"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_TestOpts_filters_vec` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_Allow_fail` [INFO] [stdout] --> src/runner.rs:475:27 [INFO] [stdout] | [INFO] [stdout] 475 | #[cfg(feature = "rustc_test_Allow_fail")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_Allow_fail` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_test_Ignore_messages` [INFO] [stdout] --> src/runner.rs:480:27 [INFO] [stdout] | [INFO] [stdout] 480 | #[cfg(feature = "rustc_test_Ignore_messages")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_test_Ignore_messages` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_is_nightly` [INFO] [stdout] --> src/lib.rs:142:19 [INFO] [stdout] | [INFO] [stdout] 142 | #[cfg(not(all(feature = "rustc_is_nightly", feature = "test_case_registration")))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_is_nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `rustc_is_nightly` [INFO] [stdout] --> src/lib.rs:145:15 [INFO] [stdout] | [INFO] [stdout] 145 | #[cfg(all(feature = "rustc_is_nightly", feature = "test_case_registration"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `region`, `subvert_stable_guarantees`, `test_case_registration`, and `unsafe_test_runner` [INFO] [stdout] = help: consider adding `rustc_is_nightly` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] warning: datatest@0.8.0: attempting to compile datatest on stable without opting in to subvert_stable_guarantees feature; will fail [INFO] [stderr] error: could not compile `datatest` (lib) due to 4 previous errors; 17 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6325eb8e9a38bc0c85c15f382a2242894659dec2acd1c602cbff56739f2d8ea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6325eb8e9a38bc0c85c15f382a2242894659dec2acd1c602cbff56739f2d8ea8", kill_on_drop: false }` [INFO] [stdout] 6325eb8e9a38bc0c85c15f382a2242894659dec2acd1c602cbff56739f2d8ea8