[INFO] fetching crate rss 2.0.12...
[INFO] checking rss-2.0.12 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rss 2.0.12 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rss 2.0.12
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rss 2.0.12
[INFO] tweaked toml for crates.io crate rss 2.0.12 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rss 2.0.12 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rss 2.0.12 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07eb3fb4c9d93a9695f9e7637ed38631cedd1d2bd8e7ca972ff89d2e9df4fdf8
[INFO] running `Command { std: "docker" "start" "-a" "07eb3fb4c9d93a9695f9e7637ed38631cedd1d2bd8e7ca972ff89d2e9df4fdf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07eb3fb4c9d93a9695f9e7637ed38631cedd1d2bd8e7ca972ff89d2e9df4fdf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07eb3fb4c9d93a9695f9e7637ed38631cedd1d2bd8e7ca972ff89d2e9df4fdf8", kill_on_drop: false }`
[INFO] [stdout] 07eb3fb4c9d93a9695f9e7637ed38631cedd1d2bd8e7ca972ff89d2e9df4fdf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd070711b11149e256276dc30d6f435c6ce06c78f896d8759ada90acd95f0709
[INFO] running `Command { std: "docker" "start" "-a" "fd070711b11149e256276dc30d6f435c6ce06c78f896d8759ada90acd95f0709", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking quick-xml v0.37.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking diligent-date-parser v0.1.5
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking atom_syndication v0.12.7
[INFO] [stderr]     Checking rss v2.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Category, Never>
[INFO] [stdout]   --> src/category.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Category, Never>
[INFO] [stdout]    --> src/category.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Channel, Never>
[INFO] [stdout]   --> src/channel.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Channel, Never>
[INFO] [stdout]     --> src/channel.rs:1492:9
[INFO] [stdout]      |
[INFO] [stdout] 1492 |         self.build_impl().unwrap()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cloud, Never>
[INFO] [stdout]   --> src/cloud.rs:22:41
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cloud, Never>
[INFO] [stdout]    --> src/cloud.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Enclosure, Never>
[INFO] [stdout]   --> src/enclosure.rs:22:41
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Enclosure, Never>
[INFO] [stdout]    --> src/enclosure.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Guid, Never>
[INFO] [stdout]   --> src/guid.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Guid, Never>
[INFO] [stdout]    --> src/guid.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Image, Never>
[INFO] [stdout]   --> src/image.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Image, Never>
[INFO] [stdout]    --> src/image.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Item, Never>
[INFO] [stdout]   --> src/item.rs:36:41
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Item, Never>
[INFO] [stdout]    --> src/item.rs:799:9
[INFO] [stdout]     |
[INFO] [stdout] 799 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Source, Never>
[INFO] [stdout]   --> src/source.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Category, Never>
[INFO] [stdout]   --> src/category.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Source, Never>
[INFO] [stdout]    --> src/source.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Category, Never>
[INFO] [stdout]    --> src/category.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Channel, Never>
[INFO] [stdout]   --> src/channel.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TextInput, Never>
[INFO] [stdout]   --> src/textinput.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TextInput, Never>
[INFO] [stdout]    --> src/textinput.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Extension, Never>
[INFO] [stdout]   --> src/extension/mod.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Extension, Never>
[INFO] [stdout]    --> src/extension/mod.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_category::ITunesCategory, Never>
[INFO] [stdout]   --> src/extension/itunes/itunes_category.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_category::ITunesCategory, Never>
[INFO] [stdout]    --> src/extension/itunes/itunes_category.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_channel_extension::ITunesChannelExtension, Never>
[INFO] [stdout]   --> src/extension/itunes/itunes_channel_extension.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_channel_extension::ITunesChannelExtension, Never>
[INFO] [stdout]    --> src/extension/itunes/itunes_channel_extension.rs:568:9
[INFO] [stdout]     |
[INFO] [stdout] 568 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_item_extension::ITunesItemExtension, Never>
[INFO] [stdout]   --> src/extension/itunes/itunes_item_extension.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_item_extension::ITunesItemExtension, Never>
[INFO] [stdout]    --> src/extension/itunes/itunes_item_extension.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_owner::ITunesOwner, Never>
[INFO] [stdout]   --> src/extension/itunes/itunes_owner.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_owner::ITunesOwner, Never>
[INFO] [stdout]    --> src/extension/itunes/itunes_owner.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Channel, Never>
[INFO] [stdout]     --> src/channel.rs:1492:9
[INFO] [stdout]      |
[INFO] [stdout] 1492 |         self.build_impl().unwrap()
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DublinCoreExtension, Never>
[INFO] [stdout]   --> src/extension/dublincore.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cloud, Never>
[INFO] [stdout]   --> src/cloud.rs:22:41
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cloud, Never>
[INFO] [stdout]    --> src/cloud.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DublinCoreExtension, Never>
[INFO] [stdout]    --> src/extension/dublincore.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 419 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Enclosure, Never>
[INFO] [stdout]   --> src/enclosure.rs:22:41
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<syndication::SyndicationExtension, Never>
[INFO] [stdout]   --> src/extension/syndication.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<syndication::SyndicationExtension, Never>
[INFO] [stdout]    --> src/extension/syndication.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Enclosure, Never>
[INFO] [stdout]    --> src/enclosure.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Guid, Never>
[INFO] [stdout]   --> src/guid.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Guid, Never>
[INFO] [stdout]    --> src/guid.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Image, Never>
[INFO] [stdout]   --> src/image.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Image, Never>
[INFO] [stdout]    --> src/image.rs:307:9
[INFO] [stdout]     |
[INFO] [stdout] 307 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Item, Never>
[INFO] [stdout]   --> src/item.rs:36:41
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Item, Never>
[INFO] [stdout]    --> src/item.rs:799:9
[INFO] [stdout]     |
[INFO] [stdout] 799 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Source, Never>
[INFO] [stdout]   --> src/source.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Source, Never>
[INFO] [stdout]    --> src/source.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TextInput, Never>
[INFO] [stdout]   --> src/textinput.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TextInput, Never>
[INFO] [stdout]    --> src/textinput.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Extension, Never>
[INFO] [stdout]   --> src/extension/mod.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Extension, Never>
[INFO] [stdout]    --> src/extension/mod.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_category::ITunesCategory, Never>
[INFO] [stdout]   --> src/extension/itunes/itunes_category.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_category::ITunesCategory, Never>
[INFO] [stdout]    --> src/extension/itunes/itunes_category.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_channel_extension::ITunesChannelExtension, Never>
[INFO] [stdout]   --> src/extension/itunes/itunes_channel_extension.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_channel_extension::ITunesChannelExtension, Never>
[INFO] [stdout]    --> src/extension/itunes/itunes_channel_extension.rs:568:9
[INFO] [stdout]     |
[INFO] [stdout] 568 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_item_extension::ITunesItemExtension, Never>
[INFO] [stdout]   --> src/extension/itunes/itunes_item_extension.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_item_extension::ITunesItemExtension, Never>
[INFO] [stdout]    --> src/extension/itunes/itunes_item_extension.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_owner::ITunesOwner, Never>
[INFO] [stdout]   --> src/extension/itunes/itunes_owner.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<itunes_owner::ITunesOwner, Never>
[INFO] [stdout]    --> src/extension/itunes/itunes_owner.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DublinCoreExtension, Never>
[INFO] [stdout]   --> src/extension/dublincore.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<DublinCoreExtension, Never>
[INFO] [stdout]    --> src/extension/dublincore.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 419 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SyndicationExtension, Never>
[INFO] [stdout]   --> src/extension/syndication.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[cfg_attr(feature = "builders", derive(Builder))]
[INFO] [stdout]    |                                         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SyndicationExtension, Never>
[INFO] [stdout]    --> src/extension/syndication.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         self.build_impl().unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rss` (lib test) due to 32 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rss` (lib) due to 32 previous errors
[INFO] running `Command { std: "docker" "inspect" "fd070711b11149e256276dc30d6f435c6ce06c78f896d8759ada90acd95f0709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd070711b11149e256276dc30d6f435c6ce06c78f896d8759ada90acd95f0709", kill_on_drop: false }`
[INFO] [stdout] fd070711b11149e256276dc30d6f435c6ce06c78f896d8759ada90acd95f0709