[INFO] fetching crate prae 0.8.4...
[INFO] checking prae-0.8.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate prae 0.8.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate prae 0.8.4
[INFO] finished tweaking crates.io crate prae 0.8.4
[INFO] tweaked toml for crates.io crate prae 0.8.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prae 0.8.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[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] 5cbe74f131f309b1eec02cab5cc65477c00a5887336291389c998192d98a021e
[INFO] running `Command { std: "docker" "start" "-a" "5cbe74f131f309b1eec02cab5cc65477c00a5887336291389c998192d98a021e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cbe74f131f309b1eec02cab5cc65477c00a5887336291389c998192d98a021e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cbe74f131f309b1eec02cab5cc65477c00a5887336291389c998192d98a021e", kill_on_drop: false }`
[INFO] [stdout] 5cbe74f131f309b1eec02cab5cc65477c00a5887336291389c998192d98a021e
[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] c17d6ce5e7a479e4464891ad95c10d43cdfbedeaec61fb4a9ce85453fb4d5f4c
[INFO] running `Command { std: "docker" "start" "-a" "c17d6ce5e7a479e4464891ad95c10d43cdfbedeaec61fb4a9ce85453fb4d5f4c", kill_on_drop: false }`
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking prae v0.8.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `unprocessed`
[INFO] [stdout]  --> tests/unprocessed.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(feature = "unprocessed")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `serde`
[INFO] [stdout]   = help: consider adding `unprocessed` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ImplementsClone, ConstructionError<ImplementsClone>>
[INFO] [stdout]  --> tests/impl_deref.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Clone, Debug)]
[INFO] [stdout] 5 | |     ImplementsClone: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_deref,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[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 macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ImplementsClone, ConstructionError<ImplementsClone>>
[INFO] [stdout]  --> tests/impl_deref.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Clone, Debug)]
[INFO] [stdout] 5 | |     ImplementsClone: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_deref,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<ImplementsClone, ConstructionError<ImplementsClone>>
[INFO] [stdout]  --> tests/impl_deref.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Clone, Debug)]
[INFO] [stdout] 5 | |     ImplementsClone: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_deref,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ImplementsClone, ConstructionError<ImplementsClone>>
[INFO] [stdout]  --> tests/impl_deref.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Clone, Debug)]
[INFO] [stdout] 5 | |     ImplementsClone: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_deref,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<ImplementsClone, VerificationError<ImplementsClone>>
[INFO] [stdout]  --> tests/impl_deref.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Clone, Debug)]
[INFO] [stdout] 5 | |     ImplementsClone: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_deref,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ImplementsClone, VerificationError<ImplementsClone>>
[INFO] [stdout]  --> tests/impl_deref.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Clone, Debug)]
[INFO] [stdout] 5 | |     ImplementsClone: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_deref,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<ImplementsClone, VerificationError<ImplementsClone>>
[INFO] [stdout]  --> tests/impl_deref.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Clone, Debug)]
[INFO] [stdout] 5 | |     ImplementsClone: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_deref,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ImplementsClone, VerificationError<ImplementsClone>>
[INFO] [stdout]  --> tests/impl_deref.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Clone, Debug)]
[INFO] [stdout] 5 | |     ImplementsClone: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_deref,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<ImplementsClone, ConstructionError<ImplementsClone>>
[INFO] [stdout]  --> tests/impl_deref.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Clone, Debug)]
[INFO] [stdout] 5 | |     ImplementsClone: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_deref,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_external_traits` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ImplementsClone, ConstructionError<ImplementsClone>>
[INFO] [stdout]  --> tests/impl_deref.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Clone, Debug)]
[INFO] [stdout] 5 | |     ImplementsClone: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_deref,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_external_traits` which comes from the expansion of the macro `prae::define` (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<NotImplementsClone, ConstructionError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / prae::define! {
[INFO] [stdout] 12 | |     #[derive(Debug)]
[INFO] [stdout] 13 | |     NotImplementsClone: String;
[INFO] [stdout] 14 | |     plugins: [
[INFO] [stdout] 15 | |         prae::impl_deref,
[INFO] [stdout] 16 | |     ];
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NotImplementsClone, ConstructionError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / prae::define! {
[INFO] [stdout] 12 | |     #[derive(Debug)]
[INFO] [stdout] 13 | |     NotImplementsClone: String;
[INFO] [stdout] 14 | |     plugins: [
[INFO] [stdout] 15 | |         prae::impl_deref,
[INFO] [stdout] 16 | |     ];
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<NotImplementsClone, ConstructionError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / prae::define! {
[INFO] [stdout] 12 | |     #[derive(Debug)]
[INFO] [stdout] 13 | |     NotImplementsClone: String;
[INFO] [stdout] 14 | |     plugins: [
[INFO] [stdout] 15 | |         prae::impl_deref,
[INFO] [stdout] 16 | |     ];
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NotImplementsClone, ConstructionError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / prae::define! {
[INFO] [stdout] 12 | |     #[derive(Debug)]
[INFO] [stdout] 13 | |     NotImplementsClone: String;
[INFO] [stdout] 14 | |     plugins: [
[INFO] [stdout] 15 | |         prae::impl_deref,
[INFO] [stdout] 16 | |     ];
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<NotImplementsClone, VerificationError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / prae::define! {
[INFO] [stdout] 12 | |     #[derive(Debug)]
[INFO] [stdout] 13 | |     NotImplementsClone: String;
[INFO] [stdout] 14 | |     plugins: [
[INFO] [stdout] 15 | |         prae::impl_deref,
[INFO] [stdout] 16 | |     ];
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NotImplementsClone, VerificationError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / prae::define! {
[INFO] [stdout] 12 | |     #[derive(Debug)]
[INFO] [stdout] 13 | |     NotImplementsClone: String;
[INFO] [stdout] 14 | |     plugins: [
[INFO] [stdout] 15 | |         prae::impl_deref,
[INFO] [stdout] 16 | |     ];
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<NotImplementsClone, VerificationError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / prae::define! {
[INFO] [stdout] 12 | |     #[derive(Debug)]
[INFO] [stdout] 13 | |     NotImplementsClone: String;
[INFO] [stdout] 14 | |     plugins: [
[INFO] [stdout] 15 | |         prae::impl_deref,
[INFO] [stdout] 16 | |     ];
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NotImplementsClone, VerificationError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / prae::define! {
[INFO] [stdout] 12 | |     #[derive(Debug)]
[INFO] [stdout] 13 | |     NotImplementsClone: String;
[INFO] [stdout] 14 | |     plugins: [
[INFO] [stdout] 15 | |         prae::impl_deref,
[INFO] [stdout] 16 | |     ];
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<NotImplementsClone, ConstructionError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / prae::define! {
[INFO] [stdout] 12 | |     #[derive(Debug)]
[INFO] [stdout] 13 | |     NotImplementsClone: String;
[INFO] [stdout] 14 | |     plugins: [
[INFO] [stdout] 15 | |         prae::impl_deref,
[INFO] [stdout] 16 | |     ];
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__impl_external_traits` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NotImplementsClone, ConstructionError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / prae::define! {
[INFO] [stdout] 12 | |     #[derive(Debug)]
[INFO] [stdout] 13 | |     NotImplementsClone: String;
[INFO] [stdout] 14 | |     plugins: [
[INFO] [stdout] 15 | |         prae::impl_deref,
[INFO] [stdout] 16 | |     ];
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__impl_external_traits` which comes from the expansion of the macro `prae::define` (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<ImplementsClone, ConstructionError<ImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let ic = ImplementsClone::new("lala").unwrap();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NotImplementsClone, ConstructionError<NotImplementsClone>>
[INFO] [stdout]   --> tests/impl_deref.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let nic = NotImplementsClone::new("lala").unwrap();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prae` (test "impl_deref") due to 22 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/impl_display.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_display,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[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 macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/impl_display.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_display,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/impl_display.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_display,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/impl_display.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_display,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Username, VerificationError<Username>>
[INFO] [stdout]  --> tests/impl_display.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_display,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, VerificationError<Username>>
[INFO] [stdout]  --> tests/impl_display.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_display,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Username, VerificationError<Username>>
[INFO] [stdout]  --> tests/impl_display.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_display,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, VerificationError<Username>>
[INFO] [stdout]  --> tests/impl_display.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_display,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/impl_display.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_display,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_external_traits` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/impl_display.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_display,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_external_traits` which comes from the expansion of the macro `prae::define` (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<Username, ConstructionError<Username>>
[INFO] [stdout]   --> tests/impl_display.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let un = Username::new("lala").unwrap();
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prae` (test "impl_display") due to 11 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/adjust.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     adjust |u| *u = u.trim().to_owned();
[INFO] [stdout] 7 | | }
[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 macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/adjust.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     adjust |u| *u = u.trim().to_owned();
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/adjust.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     adjust |u| *u = u.trim().to_owned();
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/adjust.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     adjust |u| *u = u.trim().to_owned();
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Username, VerificationError<Username>>
[INFO] [stdout]  --> tests/adjust.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     adjust |u| *u = u.trim().to_owned();
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, VerificationError<Username>>
[INFO] [stdout]  --> tests/adjust.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     adjust |u| *u = u.trim().to_owned();
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Username, VerificationError<Username>>
[INFO] [stdout]  --> tests/adjust.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     adjust |u| *u = u.trim().to_owned();
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, VerificationError<Username>>
[INFO] [stdout]  --> tests/adjust.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     adjust |u| *u = u.trim().to_owned();
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/adjust.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     adjust |u| *u = u.trim().to_owned();
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_external_traits` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, ConstructionError<Username>>
[INFO] [stdout]  --> tests/adjust.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Username: String;
[INFO] [stdout] 6 | |     adjust |u| *u = u.trim().to_owned();
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_external_traits` which comes from the expansion of the macro `prae::define` (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<Username, ConstructionError<Username>>
[INFO] [stdout]   --> tests/adjust.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let u = Username::new("  ").unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Username, ConstructionError<Username>>
[INFO] [stdout]   --> tests/adjust.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut u = Username::new("something").unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prae` (test "adjust") due to 12 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<Numbers, ConstructionError<Numbers>>
[INFO] [stdout]  --> tests/impl_index.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Numbers: Vec<u64>;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_index,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[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 macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Numbers, ConstructionError<Numbers>>
[INFO] [stdout]  --> tests/impl_index.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Numbers: Vec<u64>;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_index,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Numbers, ConstructionError<Numbers>>
[INFO] [stdout]  --> tests/impl_index.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Numbers: Vec<u64>;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_index,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Numbers, ConstructionError<Numbers>>
[INFO] [stdout]  --> tests/impl_index.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Numbers: Vec<u64>;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_index,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Numbers, VerificationError<Numbers>>
[INFO] [stdout]  --> tests/impl_index.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Numbers: Vec<u64>;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_index,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Numbers, VerificationError<Numbers>>
[INFO] [stdout]  --> tests/impl_index.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Numbers: Vec<u64>;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_index,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Numbers, VerificationError<Numbers>>
[INFO] [stdout]  --> tests/impl_index.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Numbers: Vec<u64>;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_index,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Numbers, VerificationError<Numbers>>
[INFO] [stdout]  --> tests/impl_index.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Numbers: Vec<u64>;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_index,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_wrapper_methods` which comes from the expansion of the macro `prae::define` (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<Numbers, ConstructionError<Numbers>>
[INFO] [stdout]  --> tests/impl_index.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Numbers: Vec<u64>;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_index,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_external_traits` which comes from the expansion of the macro `prae::define` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Numbers, ConstructionError<Numbers>>
[INFO] [stdout]  --> tests/impl_index.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | / prae::define! {
[INFO] [stdout] 4 | |     #[derive(Debug)]
[INFO] [stdout] 5 | |     Numbers: Vec<u64>;
[INFO] [stdout] 6 | |     plugins: [
[INFO] [stdout] 7 | |         prae::impl_index,
[INFO] [stdout] 8 | |     ];
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::__impl_external_traits` which comes from the expansion of the macro `prae::define` (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<Numbers, ConstructionError<Numbers>>
[INFO] [stdout]   --> tests/impl_index.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let nums = Numbers::new([1, 2, 3]).unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> tests/non_clone.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct User {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prae` (test "impl_index") due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "c17d6ce5e7a479e4464891ad95c10d43cdfbedeaec61fb4a9ce85453fb4d5f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17d6ce5e7a479e4464891ad95c10d43cdfbedeaec61fb4a9ce85453fb4d5f4c", kill_on_drop: false }`
[INFO] [stdout] c17d6ce5e7a479e4464891ad95c10d43cdfbedeaec61fb4a9ce85453fb4d5f4c
