[INFO] fetching crate halo2-axiom 0.5.1...
[INFO] checking halo2-axiom-0.5.1 against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] extracting crate halo2-axiom 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate halo2-axiom 0.5.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate halo2-axiom 0.5.1
[INFO] tweaked toml for crates.io crate halo2-axiom 0.5.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate halo2-axiom 0.5.1 on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate halo2-axiom 0.5.1 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a989250c45a56bdfd01b5ee83c91861b2d05ec6eff8eabcd515f8223823183a
[INFO] running `Command { std: "docker" "start" "-a" "3a989250c45a56bdfd01b5ee83c91861b2d05ec6eff8eabcd515f8223823183a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a989250c45a56bdfd01b5ee83c91861b2d05ec6eff8eabcd515f8223823183a", kill_on_drop: false }`
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[INFO] [stdout] b913d90008d7e1e154764b7841e3d88c059a9bcbd70cf23e085b617a3af9afd0
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[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/circuit/layouter.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: `thread-safe-region`
[INFO] [stdout]   --> src/circuit/layouter.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/circuit/layouter.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[cfg(not(feature = "thread-safe-region"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/circuit/layouter.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[cfg(not(feature = "thread-safe-region"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]   --> src/multicore.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     join, scope, Scope,
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/plonk/permutation/keygen.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/plonk/permutation/keygen.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(not(feature = "thread-safe-region"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/plonk/permutation/keygen.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[cfg(not(feature = "thread-safe-region"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]    --> src/plonk/permutation/keygen.rs:153:7
[INFO] [stdout]     |
[INFO] [stdout] 153 | #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]     = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]    --> src/plonk/permutation/keygen.rs:171:7
[INFO] [stdout]     |
[INFO] [stdout] 171 | #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]     = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]    --> src/dev.rs:715:15
[INFO] [stdout]     |
[INFO] [stdout] 715 |         #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]     = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/circuit/layouter.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: `thread-safe-region`
[INFO] [stdout]   --> src/circuit/layouter.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/circuit/layouter.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[cfg(not(feature = "thread-safe-region"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/circuit/layouter.rs:24:11
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[cfg(not(feature = "thread-safe-region"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Scope`
[INFO] [stdout]   --> src/multicore.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     join, scope, Scope,
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/plonk/permutation/keygen.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/plonk/permutation/keygen.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(not(feature = "thread-safe-region"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]   --> src/plonk/permutation/keygen.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[cfg(not(feature = "thread-safe-region"))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]    = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]    --> src/plonk/permutation/keygen.rs:153:7
[INFO] [stdout]     |
[INFO] [stdout] 153 | #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]     = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]    --> src/plonk/permutation/keygen.rs:171:7
[INFO] [stdout]     |
[INFO] [stdout] 171 | #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]     = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `thread-safe-region`
[INFO] [stdout]    --> src/dev.rs:715:15
[INFO] [stdout]     |
[INFO] [stdout] 715 |         #[cfg(feature = "thread-safe-region")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `asm`, `backtrace`, `batch`, `circuit-params`, `default`, `dev-graph`, `gadget-traces`, `halo2_legacy_pdqsort`, `multicore`, `plotters`, `profile`, `sanity-checks`, `tabbycat`, and `test-dev-graph`
[INFO] [stdout]     = help: consider adding `thread-safe-region` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/poly/ipa/strategy.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/poly/ipa/strategy.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/poly/ipa/strategy.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/poly/ipa/strategy.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PointIndex` is never constructed
[INFO] [stdout]     --> src/plonk/circuit.rs:1422:19
[INFO] [stdout]      |
[INFO] [stdout] 1422 | pub(crate) struct PointIndex(pub usize);
[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/plonk/vanishing/verifier.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 124 |         x: ChallengeX<C>,
[INFO] [stdout] 125 |     ) -> impl Iterator<Item = VerifierQuery<C, M>> + Clone {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     ) -> impl Iterator<Item = VerifierQuery<'_, C, M>> + Clone {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/poly/ipa/commitment.rs:81:36
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn empty_msm(&'params self) -> MSMIPA<C> {
[INFO] [stdout]    |                   -------          ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'params`
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn empty_msm(&'params self) -> MSMIPA<'params, C> {
[INFO] [stdout]    |                                           ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PointIndex` is never constructed
[INFO] [stdout]     --> src/plonk/circuit.rs:1422:19
[INFO] [stdout]      |
[INFO] [stdout] 1422 | pub(crate) struct PointIndex(pub usize);
[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/plonk/vanishing/verifier.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 124 |         x: ChallengeX<C>,
[INFO] [stdout] 125 |     ) -> impl Iterator<Item = VerifierQuery<C, M>> + Clone {
[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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 125 |     ) -> impl Iterator<Item = VerifierQuery<'_, C, M>> + Clone {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/poly/ipa/commitment.rs:81:36
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn empty_msm(&'params self) -> MSMIPA<C> {
[INFO] [stdout]    |                   -------          ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'params`
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn empty_msm(&'params self) -> MSMIPA<'params, C> {
[INFO] [stdout]    |                                           ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]   --> examples/serialization.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         [a, b, c].map(|column| meta.enable_equality(column));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let _ = [a, b, c].map(|column| meta.enable_equality(column));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Variable` is never constructed
[INFO] [stdout]   --> benches/plonk.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub struct Variable(Column<Advice>, usize);
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.99s
[INFO] running `Command { std: "docker" "inspect" "b913d90008d7e1e154764b7841e3d88c059a9bcbd70cf23e085b617a3af9afd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b913d90008d7e1e154764b7841e3d88c059a9bcbd70cf23e085b617a3af9afd0", kill_on_drop: false }`
[INFO] [stdout] b913d90008d7e1e154764b7841e3d88c059a9bcbd70cf23e085b617a3af9afd0
