[INFO] fetching crate lettre 0.11.2...
[INFO] checking lettre-0.11.2 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate lettre 0.11.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lettre 0.11.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lettre 0.11.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lettre 0.11.2
[INFO] tweaked toml for crates.io crate lettre 0.11.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate lettre 0.11.2 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 ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d14fdcf8d56ef770f6e355f26f16ccc48f8b8efed1736625e6de6d004ba8741d
[INFO] running `Command { std: "docker" "start" "-a" "d14fdcf8d56ef770f6e355f26f16ccc48f8b8efed1736625e6de6d004ba8741d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d14fdcf8d56ef770f6e355f26f16ccc48f8b8efed1736625e6de6d004ba8741d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14fdcf8d56ef770f6e355f26f16ccc48f8b8efed1736625e6de6d004ba8741d", kill_on_drop: false }`
[INFO] [stdout] d14fdcf8d56ef770f6e355f26f16ccc48f8b8efed1736625e6de6d004ba8741d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 35cf03d9c14201c67a28ba8c7eb02859b2ce667edc878f62f2dff63dd5fb73f2
[INFO] running `Command { std: "docker" "start" "-a" "35cf03d9c14201c67a28ba8c7eb02859b2ce667edc878f62f2dff63dd5fb73f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking parking v2.2.0
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[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking event-listener-strategy v0.3.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking async-lock v3.1.1
[INFO] [stderr]     Checking futures-lite v2.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.17
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[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling openssl-sys v0.9.96
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[INFO] [stderr]    Compiling openssl v0.10.60
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[INFO] [stderr]    Compiling rayon-core v1.12.0
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[INFO] [stderr]    Compiling futures-util v0.3.29
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[INFO] [stderr]     Checking ciborium-ll v0.2.1
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[INFO] [stderr]    Compiling serde_derive v1.0.193
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[INFO] [stderr]     Checking itertools v0.10.5
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[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking nom v7.1.3
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[INFO] [stderr]     Checking plotters v0.3.5
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[INFO] [stderr]     Checking email_address v0.2.4
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking maud v0.25.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking lettre v0.11.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.59s
[INFO] running `Command { std: "docker" "inspect" "35cf03d9c14201c67a28ba8c7eb02859b2ce667edc878f62f2dff63dd5fb73f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cf03d9c14201c67a28ba8c7eb02859b2ce667edc878f62f2dff63dd5fb73f2", kill_on_drop: false }`
[INFO] [stdout] 35cf03d9c14201c67a28ba8c7eb02859b2ce667edc878f62f2dff63dd5fb73f2
[INFO] checking lettre-0.11.2 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] extracting crate lettre 0.11.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate lettre 0.11.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lettre 0.11.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lettre 0.11.2
[INFO] tweaked toml for crates.io crate lettre 0.11.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate lettre 0.11.2 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 640e741131a9d3f4c61bd56177864635be3e9c52f03a7bbd5d422b7a808bf5eb
[INFO] running `Command { std: "docker" "start" "-a" "640e741131a9d3f4c61bd56177864635be3e9c52f03a7bbd5d422b7a808bf5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640e741131a9d3f4c61bd56177864635be3e9c52f03a7bbd5d422b7a808bf5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640e741131a9d3f4c61bd56177864635be3e9c52f03a7bbd5d422b7a808bf5eb", kill_on_drop: false }`
[INFO] [stdout] 640e741131a9d3f4c61bd56177864635be3e9c52f03a7bbd5d422b7a808bf5eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2419127f98a8f7ad67e918c841027e0f59e2f0dfb639f537733957b0d2a45724
[INFO] running `Command { std: "docker" "start" "-a" "2419127f98a8f7ad67e918c841027e0f59e2f0dfb639f537733957b0d2a45724", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking value-bag v1.4.2
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking event-listener-strategy v0.3.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking async-lock v3.1.1
[INFO] [stderr]     Checking futures-lite v2.0.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking zerocopy v0.7.26
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling openssl v0.10.60
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[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking piper v0.2.1
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[INFO] [stderr]     Checking crossbeam-deque v0.8.3
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[INFO] [stderr]     Checking async-channel v2.1.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking idna v0.5.0
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[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking async-executor v1.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling maud_macros v0.25.0
[INFO] [stderr]     Checking email-encoding v0.2.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking chumsky v0.9.3
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking quoted_printable v0.5.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking email_address v0.2.4
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking maud v0.25.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking lettre v0.11.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/lib.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 | #![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: `lettre_ignore_tls_mismatch`
[INFO] [stdout]    --> src/lib.rs:144:11
[INFO] [stdout]     |
[INFO] [stdout] 144 | #[cfg(not(lettre_ignore_tls_mismatch))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(lettre_ignore_tls_mismatch)");` 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: `docsrs`
[INFO] [stdout]    --> src/lib.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 | #[cfg_attr(docsrs, doc(cfg(feature = "builder")))]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `async-std1-native-tls`
[INFO] [stdout]    --> src/lib.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |         not(feature = "async-std1-native-tls")
[INFO] [stdout]     |             ^^^^^^^^^^-----------------------
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: there is a expected value with a similar name: `"async-std1-rustls-tls"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `async-std1`, `async-std1-rustls-tls`, `boring-tls`, `builder`, `default`, `dkim`, `file-transport`, `file-transport-envelope`, `hostname`, `mime03`, `native-tls`, `pool`, `rustls-native-certs`, `rustls-tls`, `sendmail-transport`, `serde`, `smtp-transport`, `tokio1`, `tokio1-boring-tls`, `tokio1-native-tls`, `tokio1-rustls-tls`, `tracing`
[INFO] [stdout]     = help: consider adding `async-std1-native-tls` as a feature in `Cargo.toml`
[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: `docsrs`
[INFO] [stdout]    --> src/message/mod.rs:481:12
[INFO] [stdout]     |
[INFO] [stdout] 481 | #[cfg_attr(docsrs, doc(cfg(feature = "builder")))]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/mod.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 | #[cfg_attr(docsrs, doc(cfg(feature = "smtp-transport")))]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/transport/smtp/client/tls.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         docsrs,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/transport/smtp/client/tls.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         docsrs,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/transport/smtp/client/tls.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         docsrs,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/smtp/client/tls.rs:188:16
[INFO] [stdout]     |
[INFO] [stdout] 188 |     #[cfg_attr(docsrs, doc(cfg(any(feature = "native-tls", feature = "boring-tls"))))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/smtp/client/tls.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |         docsrs,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/smtp/client/tls.rs:242:16
[INFO] [stdout]     |
[INFO] [stdout] 242 |     #[cfg_attr(docsrs, doc(cfg(feature = "native-tls")))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/smtp/client/tls.rs:451:9
[INFO] [stdout]     |
[INFO] [stdout] 451 |         docsrs,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/smtp/client/tls.rs:465:16
[INFO] [stdout]     |
[INFO] [stdout] 465 |     #[cfg_attr(docsrs, doc(cfg(feature = "native-tls")))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/smtp/error.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         docsrs,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/transport/smtp/error.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         docsrs,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/transport/smtp/pool/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg_attr(docsrs, doc(cfg(feature = "pool")))]
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/transport/smtp/transport.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg_attr(docsrs, doc(cfg(feature = "smtp-transport")))]
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/transport/smtp/transport.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         docsrs,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/transport/smtp/transport.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         docsrs,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/smtp/transport.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         docsrs,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/smtp/transport.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         docsrs,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/smtp/transport.rs:280:16
[INFO] [stdout]     |
[INFO] [stdout] 280 |     #[cfg_attr(docsrs, doc(cfg(feature = "pool")))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/transport/mod.rs:128:16
[INFO] [stdout]     |
[INFO] [stdout] 128 |     #[cfg_attr(docsrs, doc(cfg(feature = "builder")))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 24 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lettre` (lib) due to 25 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2419127f98a8f7ad67e918c841027e0f59e2f0dfb639f537733957b0d2a45724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2419127f98a8f7ad67e918c841027e0f59e2f0dfb639f537733957b0d2a45724", kill_on_drop: false }`
[INFO] [stdout] 2419127f98a8f7ad67e918c841027e0f59e2f0dfb639f537733957b0d2a45724
