[INFO] fetching crate cedar-policy-core 2.4.2...
[INFO] checking cedar-policy-core-2.4.2 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate cedar-policy-core 2.4.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cedar-policy-core 2.4.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cedar-policy-core 2.4.2
[INFO] finished tweaking crates.io crate cedar-policy-core 2.4.2
[INFO] tweaked toml for crates.io crate cedar-policy-core 2.4.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indent_write v2.2.0
[INFO] [stderr]   Downloaded cool_asserts v2.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd25ba1cf3f90fbdb0ee718ba5bd26f2cb778d0d8f1b1ae1a396ceb3ee278284
[INFO] running `Command { std: "docker" "start" "-a" "fd25ba1cf3f90fbdb0ee718ba5bd26f2cb778d0d8f1b1ae1a396ceb3ee278284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd25ba1cf3f90fbdb0ee718ba5bd26f2cb778d0d8f1b1ae1a396ceb3ee278284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd25ba1cf3f90fbdb0ee718ba5bd26f2cb778d0d8f1b1ae1a396ceb3ee278284", kill_on_drop: false }`
[INFO] [stdout] fd25ba1cf3f90fbdb0ee718ba5bd26f2cb778d0d8f1b1ae1a396ceb3ee278284
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce9098bfab53558d6ff7df883475b7d72694dbd854e58277b93b048adb78b1ed
[INFO] running `Command { std: "docker" "start" "-a" "ce9098bfab53558d6ff7df883475b7d72694dbd854e58277b93b048adb78b1ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling darling_core v0.20.5
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling is-terminal v0.4.10
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking rustc_lexer v0.1.0
[INFO] [stderr]     Checking lalrpop-util v0.20.0
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking cool_asserts v2.0.3
[INFO] [stderr]    Compiling darling_macro v0.20.5
[INFO] [stderr]    Compiling darling v0.20.5
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling serde_with_macros v3.6.0
[INFO] [stderr]     Checking smol_str v0.2.1
[INFO] [stderr]    Compiling lalrpop v0.20.0
[INFO] [stderr]     Checking serde_with v3.6.0
[INFO] [stderr]    Compiling cedar-policy-core v2.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.87s
[INFO] running `Command { std: "docker" "inspect" "ce9098bfab53558d6ff7df883475b7d72694dbd854e58277b93b048adb78b1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9098bfab53558d6ff7df883475b7d72694dbd854e58277b93b048adb78b1ed", kill_on_drop: false }`
[INFO] [stdout] ce9098bfab53558d6ff7df883475b7d72694dbd854e58277b93b048adb78b1ed
[INFO] checking cedar-policy-core-2.4.2 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate cedar-policy-core 2.4.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate cedar-policy-core 2.4.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cedar-policy-core 2.4.2
[INFO] finished tweaking crates.io crate cedar-policy-core 2.4.2
[INFO] tweaked toml for crates.io crate cedar-policy-core 2.4.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8541b79cf091b547a0c1a64502e9fcc310c7302b5d0a9c36261da6e55add3e4
[INFO] running `Command { std: "docker" "start" "-a" "e8541b79cf091b547a0c1a64502e9fcc310c7302b5d0a9c36261da6e55add3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8541b79cf091b547a0c1a64502e9fcc310c7302b5d0a9c36261da6e55add3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8541b79cf091b547a0c1a64502e9fcc310c7302b5d0a9c36261da6e55add3e4", kill_on_drop: false }`
[INFO] [stdout] e8541b79cf091b547a0c1a64502e9fcc310c7302b5d0a9c36261da6e55add3e4
[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=forbid -Dunexpected_cfgs" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] b22032bcf32d05568e4221bb369daa2ac8bb1dfe640eb98c6be67e789844b88b
[INFO] running `Command { std: "docker" "start" "-a" "b22032bcf32d05568e4221bb369daa2ac8bb1dfe640eb98c6be67e789844b88b", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling darling_core v0.20.5
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling is-terminal v0.4.10
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking rustc_lexer v0.1.0
[INFO] [stderr]     Checking lalrpop-util v0.20.0
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking cool_asserts v2.0.3
[INFO] [stderr]    Compiling darling_macro v0.20.5
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]    Compiling darling v0.20.5
[INFO] [stderr]     Checking smol_str v0.2.1
[INFO] [stderr]    Compiling serde_with_macros v3.6.0
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling lalrpop v0.20.0
[INFO] [stderr]     Checking serde_with v3.6.0
[INFO] [stderr]    Compiling cedar-policy-core v2.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/ast/entity.rs:284:21
[INFO] [stdout]     |
[INFO] [stdout] 284 |     #[cfg(any(test, fuzzing))]
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/ast/entity.rs:291:15
[INFO] [stdout]     |
[INFO] [stdout] 291 |     #[cfg(not(fuzzing))]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/ast/entity.rs:296:11
[INFO] [stdout]     |
[INFO] [stdout] 296 |     #[cfg(fuzzing)]
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/cedar-policy-core-b8d756e195ff5896/out/src/parser/grammar.rs:57257:12
[INFO] [stdout]       |
[INFO] [stdout] 57257 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]       |            ^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]       = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/ast/entity.rs:284:21
[INFO] [stdout]     |
[INFO] [stdout] 284 |     #[cfg(any(test, fuzzing))]
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/ast/entity.rs:291:15
[INFO] [stdout]     |
[INFO] [stdout] 291 |     #[cfg(not(fuzzing))]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `fuzzing`
[INFO] [stdout]    --> src/ast/entity.rs:296:11
[INFO] [stdout]     |
[INFO] [stdout] 296 |     #[cfg(fuzzing)]
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(fuzzing)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/cedar-policy-core-b8d756e195ff5896/out/src/parser/grammar.rs:57257:12
[INFO] [stdout]       |
[INFO] [stdout] 57257 | #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]       |            ^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]       = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cedar-policy-core` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cedar-policy-core` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "b22032bcf32d05568e4221bb369daa2ac8bb1dfe640eb98c6be67e789844b88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22032bcf32d05568e4221bb369daa2ac8bb1dfe640eb98c6be67e789844b88b", kill_on_drop: false }`
[INFO] [stdout] b22032bcf32d05568e4221bb369daa2ac8bb1dfe640eb98c6be67e789844b88b
