[INFO] fetching crate mls-rs 0.35.0...
[INFO] checking mls-rs-0.35.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate mls-rs 0.35.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mls-rs 0.35.0 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-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mls-rs 0.35.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mls-rs 0.35.0
[INFO] tweaked toml for crates.io crate mls-rs 0.35.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate mls-rs 0.35.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safer-ffi-gen-macro v0.9.2
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]   Downloaded enum-iterator v1.4.1
[INFO] [stderr]   Downloaded with_builtin_macros-proc_macros v0.0.3
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.38
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[INFO] [stderr]   Downloaded x509-cert v0.2.4
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[INFO] [stderr]   Downloaded enum-iterator-derive v1.2.1
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[INFO] [stderr]   Downloaded unwind_safe v0.1.0
[INFO] [stderr]   Downloaded ext-trait v1.0.1
[INFO] [stderr]   Downloaded uninit v0.5.1
[INFO] [stderr]   Downloaded safer_ffi-proc_macros v0.1.4
[INFO] [stderr]   Downloaded safer-ffi v0.1.4
[INFO] [stderr]   Downloaded mls-rs-crypto-hpke v0.6.0
[INFO] [stderr]   Downloaded portable-atomic-util v0.1.3
[INFO] [stderr]   Downloaded mls-rs-crypto-traits v0.7.0
[INFO] [stderr]   Downloaded mls-rs-codec-derive v0.1.0
[INFO] [stderr]   Downloaded mls-rs-identity-x509 v0.8.0
[INFO] [stderr]   Downloaded debug_tree v0.4.0
[INFO] [stderr]   Downloaded mls-rs-crypto-webcrypto v0.1.0
[INFO] [stderr]   Downloaded mls-rs-codec v0.4.0
[INFO] [stderr]   Downloaded mls-rs-crypto-openssl v0.6.0
[INFO] [stderr]   Downloaded mls-rs-provider-sqlite v0.8.0
[INFO] [stderr]   Downloaded mls-rs-core v0.15.0
[INFO] [stderr]   Downloaded mls-rs-crypto-rustcrypto v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 60c6d8800f82784dfab3006894a7e889845ca4cf42e0854cff69e7b23e7069c3
[INFO] running `Command { std: "docker" "start" "-a" "60c6d8800f82784dfab3006894a7e889845ca4cf42e0854cff69e7b23e7069c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60c6d8800f82784dfab3006894a7e889845ca4cf42e0854cff69e7b23e7069c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c6d8800f82784dfab3006894a7e889845ca4cf42e0854cff69e7b23e7069c3", kill_on_drop: false }`
[INFO] [stdout] 60c6d8800f82784dfab3006894a7e889845ca4cf42e0854cff69e7b23e7069c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 184313a5cf55c808c9162a39690504bd36ca603bb742923d18ba797af2c92ae7
[INFO] running `Command { std: "docker" "start" "-a" "184313a5cf55c808c9162a39690504bd36ca603bb742923d18ba797af2c92ae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling portable-atomic v1.5.1
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling portable-atomic-util v0.1.3
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking half v1.8.2
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[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking ciborium-ll v0.2.1
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[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling toml_edit v0.20.7
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling proc-macro-crate v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling maybe-async v0.2.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling num_enum_derive v0.7.1
[INFO] [stderr]    Compiling enum-iterator-derive v1.2.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking enum-iterator v1.4.1
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking futures-test v0.3.29
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]     Checking num_enum v0.7.1
[INFO] [stderr]    Compiling mls-rs-codec-derive v0.1.0
[INFO] [stderr]     Checking mls-rs-codec v0.4.0
[INFO] [stderr]     Checking mls-rs-core v0.15.0
[INFO] [stderr]     Checking mls-rs-crypto-traits v0.7.0
[INFO] [stderr]     Checking mls-rs-identity-x509 v0.8.0
[INFO] [stderr]     Checking mls-rs-crypto-hpke v0.6.0
[INFO] [stderr]     Checking mls-rs v0.35.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mls-rs-crypto-openssl v0.6.0
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error: couldn't read examples/../../mls-rs-crypto-openssl/test_data/x509/leaf/key.pem: No such file or directory (os error 2)
[INFO] [stdout]   --> examples/x509.rs:13:83
[INFO] [stdout]    |
[INFO] [stdout] 13 |       let secret_key = mls_rs_crypto_openssl::x509::signature_secret_key_from_bytes(include_bytes!(
[INFO] [stdout]    |  ___________________________________________________________________________________^
[INFO] [stdout] 14 | |         "../../mls-rs-crypto-openssl/test_data/x509/leaf/key.pem"
[INFO] [stdout] 15 | |     ))
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read examples/../../mls-rs-crypto-openssl/test_data/x509/leaf/cert.der: No such file or directory (os error 2)
[INFO] [stdout]   --> examples/x509.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         include_bytes!("../../mls-rs-crypto-openssl/test_data/x509/leaf/cert.der"),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read examples/../../mls-rs-crypto-openssl/test_data/x509/root_ca/cert.der: No such file or directory (os error 2)
[INFO] [stdout]   --> examples/x509.rs:26:77
[INFO] [stdout]    |
[INFO] [stdout] 26 |               mls_rs_crypto_openssl::x509::identity_provider_from_certificate(include_bytes!(
[INFO] [stdout]    |  _____________________________________________________________________________^
[INFO] [stdout] 27 | |                 "../../mls-rs-crypto-openssl/test_data/x509/root_ca/cert.der"
[INFO] [stdout] 28 | |             ))
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mls-rs` (example "x509") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "184313a5cf55c808c9162a39690504bd36ca603bb742923d18ba797af2c92ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184313a5cf55c808c9162a39690504bd36ca603bb742923d18ba797af2c92ae7", kill_on_drop: false }`
[INFO] [stdout] 184313a5cf55c808c9162a39690504bd36ca603bb742923d18ba797af2c92ae7
[INFO] checking mls-rs-0.35.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate mls-rs 0.35.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mls-rs 0.35.0 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-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mls-rs 0.35.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mls-rs 0.35.0
[INFO] tweaked toml for crates.io crate mls-rs 0.35.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate mls-rs 0.35.0 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" "+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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09d1d8b3e08a20d9ad614f222375ec1d208c139db4ce2dd233e31ef1970ea96c
[INFO] running `Command { std: "docker" "start" "-a" "09d1d8b3e08a20d9ad614f222375ec1d208c139db4ce2dd233e31ef1970ea96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d1d8b3e08a20d9ad614f222375ec1d208c139db4ce2dd233e31ef1970ea96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d1d8b3e08a20d9ad614f222375ec1d208c139db4ce2dd233e31ef1970ea96c", kill_on_drop: false }`
[INFO] [stdout] 09d1d8b3e08a20d9ad614f222375ec1d208c139db4ce2dd233e31ef1970ea96c
[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=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] b162231a0152becc49bff964a578323cda24cf4df8c76a9d04aa092aa15da2dc
[INFO] running `Command { std: "docker" "start" "-a" "b162231a0152becc49bff964a578323cda24cf4df8c76a9d04aa092aa15da2dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling portable-atomic v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]     Checking ciborium-io v0.2.1
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[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling portable-atomic-util v0.1.3
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[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling cc v1.0.83
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[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling toml_edit v0.20.7
[INFO] [stderr]     Checking getrandom v0.2.11
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[INFO] [stderr]     Checking rand v0.8.5
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[INFO] [stderr]    Compiling proc-macro-crate v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]    Compiling maybe-async v0.2.7
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling num_enum_derive v0.7.1
[INFO] [stderr]    Compiling enum-iterator-derive v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]     Checking enum-iterator v1.4.1
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking futures-test v0.3.29
[INFO] [stderr]     Checking num_enum v0.7.1
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling mls-rs-codec-derive v0.1.0
[INFO] [stderr]     Checking mls-rs-codec v0.4.0
[INFO] [stderr]     Checking mls-rs-core v0.15.0
[INFO] [stderr]     Checking mls-rs-identity-x509 v0.8.0
[INFO] [stderr]     Checking mls-rs-crypto-traits v0.7.0
[INFO] [stderr]     Checking mls-rs-crypto-hpke v0.6.0
[INFO] [stderr]     Checking mls-rs v0.35.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mls-rs-crypto-openssl v0.6.0
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 | #![cfg_attr(docsrs, feature(doc_cfg))]
[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(docsrs)");` 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: `coverage_nightly`
[INFO] [stdout]   --> src/lib.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 | #![cfg_attr(coverage_nightly, feature(coverage_attribute))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(coverage_nightly)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/lib.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 | #[cfg(all(test, mls_build_async, not(target_arch = "wasm32")))]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/client.rs:424:20
[INFO] [stdout]     |
[INFO] [stdout] 424 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/client.rs:429:20
[INFO] [stdout]     |
[INFO] [stdout] 429 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/client.rs:478:20
[INFO] [stdout]     |
[INFO] [stdout] 478 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/client.rs:503:20
[INFO] [stdout]     |
[INFO] [stdout] 503 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/client.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 531 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/client.rs:578:20
[INFO] [stdout]     |
[INFO] [stdout] 578 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/client.rs:603:20
[INFO] [stdout]     |
[INFO] [stdout] 603 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/client.rs:623:20
[INFO] [stdout]     |
[INFO] [stdout] 623 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/extension/built_in.rs:193:20
[INFO] [stdout]     |
[INFO] [stdout] 193 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1553:16
[INFO] [stdout]      |
[INFO] [stdout] 1553 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1554:40
[INFO] [stdout]      |
[INFO] [stdout] 1554 | #[cfg_attr(all(target_arch = "wasm32", mls_build_async), maybe_async::must_be_async(?Send))]
[INFO] [stdout]      |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1556:38
[INFO] [stdout]      |
[INFO] [stdout] 1556 |     all(not(target_arch = "wasm32"), mls_build_async),
[INFO] [stdout]      |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/ciphertext_processor/message_key.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/ciphertext_processor/message_key.rs:38:20
[INFO] [stdout]    |
[INFO] [stdout] 38 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/ciphertext_processor/sender_data_key.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/ciphertext_processor/sender_data_key.rs:80:20
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/ciphertext_processor/sender_data_key.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/ciphertext_processor.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/ciphertext_processor.rs:79:20
[INFO] [stdout]    |
[INFO] [stdout] 79 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/ciphertext_processor.rs:93:20
[INFO] [stdout]    |
[INFO] [stdout] 93 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/ciphertext_processor.rs:189:20
[INFO] [stdout]     |
[INFO] [stdout] 189 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/commit.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[cfg(all(not(mls_build_async), feature = "rayon"))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/commit.rs:290:20
[INFO] [stdout]     |
[INFO] [stdout] 290 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/commit.rs:349:20
[INFO] [stdout]     |
[INFO] [stdout] 349 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/commit.rs:378:20
[INFO] [stdout]     |
[INFO] [stdout] 378 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/commit.rs:698:20
[INFO] [stdout]     |
[INFO] [stdout] 698 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/commit.rs:614:23
[INFO] [stdout]     |
[INFO] [stdout] 614 |         #[cfg(not(any(mls_build_async, not(feature = "rayon"))))]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/commit.rs:631:19
[INFO] [stdout]     |
[INFO] [stdout] 631 |         #[cfg(any(mls_build_async, not(feature = "rayon")))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/confirmation_tag.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/confirmation_tag.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/framing.rs:411:20
[INFO] [stdout]     |
[INFO] [stdout] 411 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:263:16
[INFO] [stdout]     |
[INFO] [stdout] 263 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:281:16
[INFO] [stdout]     |
[INFO] [stdout] 281 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:299:16
[INFO] [stdout]     |
[INFO] [stdout] 299 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:433:16
[INFO] [stdout]     |
[INFO] [stdout] 433 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/key_schedule.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/key_schedule.rs:71:20
[INFO] [stdout]    |
[INFO] [stdout] 71 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:140:20
[INFO] [stdout]     |
[INFO] [stdout] 140 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:160:20
[INFO] [stdout]     |
[INFO] [stdout] 160 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:198:20
[INFO] [stdout]     |
[INFO] [stdout] 198 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:216:20
[INFO] [stdout]     |
[INFO] [stdout] 216 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:232:20
[INFO] [stdout]     |
[INFO] [stdout] 232 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:327:20
[INFO] [stdout]     |
[INFO] [stdout] 327 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:340:20
[INFO] [stdout]     |
[INFO] [stdout] 340 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:358:20
[INFO] [stdout]     |
[INFO] [stdout] 358 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:386:20
[INFO] [stdout]     |
[INFO] [stdout] 386 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:416:20
[INFO] [stdout]     |
[INFO] [stdout] 416 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/key_schedule.rs:424:20
[INFO] [stdout]     |
[INFO] [stdout] 424 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/membership_tag.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/message_processor.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(mls_build_async)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/message_processor.rs:358:16
[INFO] [stdout]     |
[INFO] [stdout] 358 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/message_processor.rs:359:40
[INFO] [stdout]     |
[INFO] [stdout] 359 | #[cfg_attr(all(target_arch = "wasm32", mls_build_async), maybe_async::must_be_async(?Send))]
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/message_processor.rs:361:38
[INFO] [stdout]     |
[INFO] [stdout] 361 |     all(not(target_arch = "wasm32"), mls_build_async),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/message_processor.rs:491:20
[INFO] [stdout]     |
[INFO] [stdout] 491 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/message_signature.rs:107:20
[INFO] [stdout]     |
[INFO] [stdout] 107 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/message_verifier.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/message_verifier.rs:105:16
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mls_rules.rs:107:16
[INFO] [stdout]     |
[INFO] [stdout] 107 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mls_rules.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | #[cfg_attr(mls_build_async, maybe_async::must_be_async)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mls_rules.rs:242:16
[INFO] [stdout]     |
[INFO] [stdout] 242 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mls_rules.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 | #[cfg_attr(mls_build_async, maybe_async::must_be_async)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mls_rules.rs:168:24
[INFO] [stdout]     |
[INFO] [stdout] 168 |         #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 | delegate_mls_rules!(Box<T>);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: this error originates in the macro `delegate_mls_rules` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `mls_build_async`
[INFO] [stdout]    --> src/group/mls_rules.rs:169:20
[INFO] [stdout]     |
[INFO] [stdout] 169 |         #[cfg_attr(mls_build_async, maybe_async::must_be_async)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 | delegate_mls_rules!(Box<T>);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: this error originates in the macro `delegate_mls_rules` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `mls_build_async`
[INFO] [stdout]    --> src/group/mls_rules.rs:168:24
[INFO] [stdout]     |
[INFO] [stdout] 168 |         #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 | delegate_mls_rules!(&T);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: this error originates in the macro `delegate_mls_rules` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `mls_build_async`
[INFO] [stdout]    --> src/group/mls_rules.rs:169:20
[INFO] [stdout]     |
[INFO] [stdout] 169 |         #[cfg_attr(mls_build_async, maybe_async::must_be_async)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 | delegate_mls_rules!(&T);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: this error originates in the macro `delegate_mls_rules` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `mls_build_async`
[INFO] [stdout]    --> src/group/mls_rules.rs:173:28
[INFO] [stdout]     |
[INFO] [stdout] 173 |             #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 | delegate_mls_rules!(Box<T>);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: this error originates in the macro `delegate_mls_rules` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `mls_build_async`
[INFO] [stdout]    --> src/group/mls_rules.rs:173:28
[INFO] [stdout]     |
[INFO] [stdout] 173 |             #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 | delegate_mls_rules!(&T);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: this error originates in the macro `delegate_mls_rules` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_cache.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering_common.rs:361:16
[INFO] [stdout]     |
[INFO] [stdout] 361 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering_common.rs:501:16
[INFO] [stdout]     |
[INFO] [stdout] 501 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering_common.rs:523:16
[INFO] [stdout]     |
[INFO] [stdout] 523 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering_common.rs:551:16
[INFO] [stdout]     |
[INFO] [stdout] 551 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering_common.rs:103:20
[INFO] [stdout]     |
[INFO] [stdout] 103 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering_common.rs:149:20
[INFO] [stdout]     |
[INFO] [stdout] 149 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering_common.rs:211:20
[INFO] [stdout]     |
[INFO] [stdout] 211 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering_common.rs:315:15
[INFO] [stdout]     |
[INFO] [stdout] 315 |     #[cfg(any(mls_build_async, not(feature = "rayon")))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering_common.rs:335:19
[INFO] [stdout]     |
[INFO] [stdout] 335 |     #[cfg(all(not(mls_build_async), feature = "rayon"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/proposal_filter/filtering.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     not(any(mls_build_async, feature = "rayon"))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/proposal_filter/filtering.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[cfg(all(not(mls_build_async), feature = "rayon"))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/proposal_filter/filtering.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[cfg(mls_build_async)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering.rs:307:16
[INFO] [stdout]     |
[INFO] [stdout] 307 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/proposal_filter/filtering.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering.rs:103:20
[INFO] [stdout]     |
[INFO] [stdout] 103 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering.rs:127:20
[INFO] [stdout]     |
[INFO] [stdout] 127 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/proposal_filter/filtering.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/proposal_ref.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/resumption.rs:233:16
[INFO] [stdout]     |
[INFO] [stdout] 233 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/resumption.rs:273:16
[INFO] [stdout]     |
[INFO] [stdout] 273 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/resumption.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/resumption.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/resumption.rs:166:20
[INFO] [stdout]     |
[INFO] [stdout] 166 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/resumption.rs:178:20
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/resumption.rs:204:20
[INFO] [stdout]     |
[INFO] [stdout] 204 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/snapshot.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/snapshot.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/snapshot.rs:177:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/state_repo.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/state_repo.rs:63:20
[INFO] [stdout]    |
[INFO] [stdout] 63 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/state_repo.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/state_repo.rs:113:20
[INFO] [stdout]     |
[INFO] [stdout] 113 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/state_repo.rs:144:20
[INFO] [stdout]     |
[INFO] [stdout] 144 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/state_repo.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/transcript_hash.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/transcript_hash.rs:79:20
[INFO] [stdout]    |
[INFO] [stdout] 79 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/util.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/group/util.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/util.rs:132:16
[INFO] [stdout]     |
[INFO] [stdout] 132 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/util.rs:184:16
[INFO] [stdout]     |
[INFO] [stdout] 184 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/util.rs:234:16
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/util.rs:263:16
[INFO] [stdout]     |
[INFO] [stdout] 263 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/external_commit.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/secret_tree.rs:145:20
[INFO] [stdout]     |
[INFO] [stdout] 145 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/secret_tree.rs:166:20
[INFO] [stdout]     |
[INFO] [stdout] 166 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/secret_tree.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/secret_tree.rs:236:20
[INFO] [stdout]     |
[INFO] [stdout] 236 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/secret_tree.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/secret_tree.rs:282:20
[INFO] [stdout]     |
[INFO] [stdout] 282 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/secret_tree.rs:414:20
[INFO] [stdout]     |
[INFO] [stdout] 414 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/secret_tree.rs:437:20
[INFO] [stdout]     |
[INFO] [stdout] 437 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/secret_tree.rs:477:20
[INFO] [stdout]     |
[INFO] [stdout] 477 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/secret_tree.rs:516:20
[INFO] [stdout]     |
[INFO] [stdout] 516 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:275:20
[INFO] [stdout]     |
[INFO] [stdout] 275 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:376:20
[INFO] [stdout]     |
[INFO] [stdout] 376 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:394:20
[INFO] [stdout]     |
[INFO] [stdout] 394 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:564:20
[INFO] [stdout]     |
[INFO] [stdout] 564 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:667:20
[INFO] [stdout]     |
[INFO] [stdout] 667 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:761:20
[INFO] [stdout]     |
[INFO] [stdout] 761 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:815:20
[INFO] [stdout]     |
[INFO] [stdout] 815 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:842:20
[INFO] [stdout]     |
[INFO] [stdout] 842 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:869:20
[INFO] [stdout]     |
[INFO] [stdout] 869 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:884:20
[INFO] [stdout]     |
[INFO] [stdout] 884 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:924:20
[INFO] [stdout]     |
[INFO] [stdout] 924 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:956:20
[INFO] [stdout]     |
[INFO] [stdout] 956 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/group/mod.rs:987:20
[INFO] [stdout]     |
[INFO] [stdout] 987 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1013:20
[INFO] [stdout]      |
[INFO] [stdout] 1013 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1061:20
[INFO] [stdout]      |
[INFO] [stdout] 1061 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1080:20
[INFO] [stdout]      |
[INFO] [stdout] 1080 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1090:20
[INFO] [stdout]      |
[INFO] [stdout] 1090 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1107:20
[INFO] [stdout]      |
[INFO] [stdout] 1107 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1131:20
[INFO] [stdout]      |
[INFO] [stdout] 1131 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1148:20
[INFO] [stdout]      |
[INFO] [stdout] 1148 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1176:20
[INFO] [stdout]      |
[INFO] [stdout] 1176 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1234:20
[INFO] [stdout]      |
[INFO] [stdout] 1234 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1261:20
[INFO] [stdout]      |
[INFO] [stdout] 1261 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1292:20
[INFO] [stdout]      |
[INFO] [stdout] 1292 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1314:20
[INFO] [stdout]      |
[INFO] [stdout] 1314 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1339:20
[INFO] [stdout]      |
[INFO] [stdout] 1339 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1360:20
[INFO] [stdout]      |
[INFO] [stdout] 1360 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1369:20
[INFO] [stdout]      |
[INFO] [stdout] 1369 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1416:20
[INFO] [stdout]      |
[INFO] [stdout] 1416 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]     --> src/group/mod.rs:1463:20
[INFO] [stdout]      |
[INFO] [stdout] 1463 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/hash_reference.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/identity/basic.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/identity/basic.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | #[cfg_attr(mls_build_async, maybe_async::must_be_async)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]  --> src/iter.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(all(not(mls_build_async), feature = "rayon"))]
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/iter.rs:55:15
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[cfg(all(not(mls_build_async), feature = "rayon"))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/iter.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[cfg(not(any(mls_build_async, feature = "rayon")))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/iter.rs:75:15
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[cfg(not(any(mls_build_async, feature = "rayon")))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/iter.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[cfg(mls_build_async)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/iter.rs:95:7
[INFO] [stdout]    |
[INFO] [stdout] 95 | #[cfg(mls_build_async)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]  --> src/key_package/validator.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/key_package/generator.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/key_package/generator.rs:90:20
[INFO] [stdout]    |
[INFO] [stdout] 90 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/key_package/mod.rs:93:20
[INFO] [stdout]    |
[INFO] [stdout] 93 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/psk/resolver.rs:37:20
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/psk/resolver.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/psk/resolver.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/psk/resolver.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/psk/secret.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/signer.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/signer.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[cfg_attr(all(target_arch = "wasm32", mls_build_async), maybe_async::must_be_async(?Send))]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/signer.rs:32:38
[INFO] [stdout]    |
[INFO] [stdout] 32 |     all(not(target_arch = "wasm32"), mls_build_async),
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/storage_provider/in_memory/group_state_storage.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(mls_build_async)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/storage_provider/in_memory/group_state_storage.rs:141:16
[INFO] [stdout]     |
[INFO] [stdout] 141 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/storage_provider/in_memory/group_state_storage.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | #[cfg_attr(mls_build_async, maybe_async::must_be_async)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/storage_provider/in_memory/key_package_storage.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[cfg(mls_build_async)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/storage_provider/in_memory/key_package_storage.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/storage_provider/in_memory/key_package_storage.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | #[cfg_attr(mls_build_async, maybe_async::must_be_async)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/storage_provider/in_memory/psk_storage.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[cfg(mls_build_async)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/storage_provider/in_memory/psk_storage.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/storage_provider/in_memory/psk_storage.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[cfg_attr(mls_build_async, maybe_async::must_be_async)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/mod.rs:578:16
[INFO] [stdout]     |
[INFO] [stdout] 578 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/hpke_encryption.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/hpke_encryption.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[cfg_attr(all(target_arch = "wasm32", mls_build_async), maybe_async::must_be_async(?Send))]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/hpke_encryption.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |     all(not(target_arch = "wasm32"), mls_build_async),
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/parent_hash.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/parent_hash.rs:98:20
[INFO] [stdout]    |
[INFO] [stdout] 98 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/parent_hash.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/parent_hash.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/path_secret.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/path_secret.rs:105:20
[INFO] [stdout]     |
[INFO] [stdout] 105 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/private.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/tree_hash.rs:245:16
[INFO] [stdout]     |
[INFO] [stdout] 245 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/tree_hash.rs:298:16
[INFO] [stdout]     |
[INFO] [stdout] 298 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/tree_hash.rs:315:16
[INFO] [stdout]     |
[INFO] [stdout] 315 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/tree_hash.rs:61:20
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/tree_hash.rs:77:20
[INFO] [stdout]    |
[INFO] [stdout] 77 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/tree_hash.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/tree_hash.rs:161:20
[INFO] [stdout]     |
[INFO] [stdout] 161 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/tree_validator.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[cfg(all(not(mls_build_async), feature = "rayon"))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/tree_validator.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(mls_build_async)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/tree_validator.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/tree_validator.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/tree_validator.rs:90:20
[INFO] [stdout]    |
[INFO] [stdout] 90 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/tree_validator.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |         #[cfg(mls_build_async)]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/update_path.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/kem.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[cfg(all(not(mls_build_async), feature = "rayon"))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/kem.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg(mls_build_async)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/kem.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/kem.rs:173:15
[INFO] [stdout]     |
[INFO] [stdout] 173 |     #[cfg(any(mls_build_async, not(feature = "rayon")))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/kem.rs:210:19
[INFO] [stdout]     |
[INFO] [stdout] 210 |     #[cfg(all(not(mls_build_async), feature = "rayon"))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/kem.rs:242:20
[INFO] [stdout]     |
[INFO] [stdout] 242 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/kem.rs:317:20
[INFO] [stdout]     |
[INFO] [stdout] 317 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/kem.rs:346:19
[INFO] [stdout]     |
[INFO] [stdout] 346 |         #[cfg(not(mls_build_async))]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/kem.rs:349:15
[INFO] [stdout]     |
[INFO] [stdout] 349 |         #[cfg(mls_build_async)]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/leaf_node.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/leaf_node.rs:80:20
[INFO] [stdout]    |
[INFO] [stdout] 80 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/leaf_node.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/leaf_node_validator.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/leaf_node_validator.rs:171:20
[INFO] [stdout]     |
[INFO] [stdout] 171 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/tree_index.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]   --> src/tree_kem/mod.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/mod.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/mod.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/mod.rs:259:20
[INFO] [stdout]     |
[INFO] [stdout] 259 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/mod.rs:328:20
[INFO] [stdout]     |
[INFO] [stdout] 328 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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: `mls_build_async`
[INFO] [stdout]    --> src/tree_kem/mod.rs:555:20
[INFO] [stdout]     |
[INFO] [stdout] 555 |     #[cfg_attr(not(mls_build_async), maybe_async::must_be_sync)]
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(mls_build_async)");` 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 231 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mls-rs` (lib) due to 232 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b162231a0152becc49bff964a578323cda24cf4df8c76a9d04aa092aa15da2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b162231a0152becc49bff964a578323cda24cf4df8c76a9d04aa092aa15da2dc", kill_on_drop: false }`
[INFO] [stdout] b162231a0152becc49bff964a578323cda24cf4df8c76a9d04aa092aa15da2dc
