[INFO] fetching crate fregate 0.17.1...
[INFO] checking fregate-0.17.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate fregate 0.17.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fregate 0.17.1 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate fregate 0.17.1
[INFO] finished tweaking crates.io crate fregate 0.17.1
[INFO] tweaked toml for crates.io crate fregate 0.17.1 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]  Downloading crates ...
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[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] 26a71ba2ac029f7ebefa093a87312e8d5e75a06bd387524d14674ee0aabb89be
[INFO] running `Command { std: "docker" "start" "-a" "26a71ba2ac029f7ebefa093a87312e8d5e75a06bd387524d14674ee0aabb89be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26a71ba2ac029f7ebefa093a87312e8d5e75a06bd387524d14674ee0aabb89be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a71ba2ac029f7ebefa093a87312e8d5e75a06bd387524d14674ee0aabb89be", kill_on_drop: false }`
[INFO] [stdout] 26a71ba2ac029f7ebefa093a87312e8d5e75a06bd387524d14674ee0aabb89be
[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] 288bf79611f4ac20de40cb27de2a699387556ca2282d90883fce55206fece86a
[INFO] running `Command { std: "docker" "start" "-a" "288bf79611f4ac20de40cb27de2a699387556ca2282d90883fce55206fece86a", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
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[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling ring v0.17.7
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[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking headers-core v0.2.0
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[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking dashmap v5.5.3
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[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking regex-syntax v0.6.29
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[INFO] [stderr]    Compiling metrics-macros v0.7.1
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[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling rustix v0.38.31
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[INFO] [stderr]     Checking tokio v1.32.1
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[INFO] [stderr]    Compiling pest_meta v2.7.7
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[INFO] [stderr]     Checking rustls-native-certs v0.6.3
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[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rayon v1.8.1
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[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking matchers v0.1.0
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[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking prost v0.11.9
[INFO] [stderr]     Checking serde v1.0.196
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[INFO] [stderr]     Checking tower v0.4.13
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[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
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[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking ron v0.7.1
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[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tower-http v0.4.4
[INFO] [stderr]     Checking tokio-rustls v0.24.1
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[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking config v0.13.4
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking tracing-opentelemetry v0.19.0
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking metrics-exporter-prometheus v0.12.2
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking tonic v0.8.3
[INFO] [stderr]     Checking tonic v0.9.2
[INFO] [stderr]     Checking opentelemetry-proto v0.2.0
[INFO] [stderr]     Checking opentelemetry-otlp v0.12.0
[INFO] [stderr]     Checking fregate v0.17.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `static_assert::*`
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub use static_assert::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `static_assert::*`
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub use static_assert::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> tests/log_fmt.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use serde::Serialize;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fregate::observability::TracingFields`
[INFO] [stdout]   --> tests/log_fmt.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use fregate::observability::TracingFields;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.18s
[INFO] running `Command { std: "docker" "inspect" "288bf79611f4ac20de40cb27de2a699387556ca2282d90883fce55206fece86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288bf79611f4ac20de40cb27de2a699387556ca2282d90883fce55206fece86a", kill_on_drop: false }`
[INFO] [stdout] 288bf79611f4ac20de40cb27de2a699387556ca2282d90883fce55206fece86a
[INFO] checking fregate-0.17.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate fregate 0.17.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fregate 0.17.1 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate fregate 0.17.1
[INFO] finished tweaking crates.io crate fregate 0.17.1
[INFO] tweaked toml for crates.io crate fregate 0.17.1 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] a3961d34171a3ead7827b865a67bc82b5fccb873b95a6ef285a92afd24ac8bfa
[INFO] running `Command { std: "docker" "start" "-a" "a3961d34171a3ead7827b865a67bc82b5fccb873b95a6ef285a92afd24ac8bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3961d34171a3ead7827b865a67bc82b5fccb873b95a6ef285a92afd24ac8bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3961d34171a3ead7827b865a67bc82b5fccb873b95a6ef285a92afd24ac8bfa", kill_on_drop: false }`
[INFO] [stdout] a3961d34171a3ead7827b865a67bc82b5fccb873b95a6ef285a92afd24ac8bfa
[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] 4a4567423d1dadbe631f62a0d824da94318ccf2dd6acb9a89ba0388c3adf816b
[INFO] running `Command { std: "docker" "start" "-a" "4a4567423d1dadbe631f62a0d824da94318ccf2dd6acb9a89ba0388c3adf816b", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking ahash v0.7.7
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling metrics-macros v0.7.1
[INFO] [stderr]    Compiling valuable v0.1.0
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]    Compiling rustix v0.38.31
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[INFO] [stderr]    Compiling rustls v0.21.10
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[INFO] [stderr]     Checking ordered-multimap v0.4.3
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[INFO] [stderr]    Compiling prost-derive v0.11.9
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[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking metrics v0.21.1
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking sketches-ddsketch v0.2.2
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[INFO] [stderr]     Checking rust-ini v0.18.0
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[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking clap_builder v4.4.18
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[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking plotters v0.3.5
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[INFO] [stderr]     Checking uuid v1.4.1
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[INFO] [stderr]    Compiling valuable-derive v0.1.0
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[INFO] [stdout] error: unexpected `cfg` condition name: `tracing_unstable`
[INFO] [stdout]   --> src/observability/tracing/event_formatter.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[cfg(tracing_unstable)]
[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(tracing_unstable)");` 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: `tracing_unstable`
[INFO] [stdout]   --> src/observability/tracing/event_formatter.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(tracing_unstable)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(tracing_unstable)");` 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: `tracing_unstable`
[INFO] [stdout]    --> src/observability/tracing/event_formatter.rs:261:11
[INFO] [stdout]     |
[INFO] [stdout] 261 |     #[cfg(tracing_unstable)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(tracing_unstable)");` 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: `tracing_unstable`
[INFO] [stdout]    --> src/observability/tracing/event_formatter.rs:274:11
[INFO] [stdout]     |
[INFO] [stdout] 274 |     #[cfg(tracing_unstable)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(tracing_unstable)");` 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] warning: unused import: `static_assert::*`
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub use static_assert::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `tracing_unstable`
[INFO] [stdout]   --> src/observability/tracing/event_formatter.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[cfg(tracing_unstable)]
[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(tracing_unstable)");` 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: `tracing_unstable`
[INFO] [stdout]   --> src/observability/tracing/event_formatter.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(tracing_unstable)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(tracing_unstable)");` 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: `tracing_unstable`
[INFO] [stdout]    --> src/observability/tracing/event_formatter.rs:261:11
[INFO] [stdout]     |
[INFO] [stdout] 261 |     #[cfg(tracing_unstable)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(tracing_unstable)");` 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: `tracing_unstable`
[INFO] [stdout]    --> src/observability/tracing/event_formatter.rs:274:11
[INFO] [stdout]     |
[INFO] [stdout] 274 |     #[cfg(tracing_unstable)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(tracing_unstable)");` 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] warning: unused import: `static_assert::*`
[INFO] [stdout]   --> src/lib.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub use static_assert::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fregate` (lib) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fregate` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4a4567423d1dadbe631f62a0d824da94318ccf2dd6acb9a89ba0388c3adf816b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4567423d1dadbe631f62a0d824da94318ccf2dd6acb9a89ba0388c3adf816b", kill_on_drop: false }`
[INFO] [stdout] 4a4567423d1dadbe631f62a0d824da94318ccf2dd6acb9a89ba0388c3adf816b
