[INFO] fetching crate either_n 0.2.0...
[INFO] testing either_n-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate either_n 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate either_n 0.2.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate either_n 0.2.0
[INFO] finished tweaking crates.io crate either_n 0.2.0
[INFO] tweaked toml for crates.io crate either_n 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0226d25a12c9ed4f6dd2306eef95c7bbfbbef572d0744484f7d4a1ff2324d879
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0226d25a12c9ed4f6dd2306eef95c7bbfbbef572d0744484f7d4a1ff2324d879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0226d25a12c9ed4f6dd2306eef95c7bbfbbef572d0744484f7d4a1ff2324d879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0226d25a12c9ed4f6dd2306eef95c7bbfbbef572d0744484f7d4a1ff2324d879", kill_on_drop: false }`
[INFO] [stdout] 0226d25a12c9ed4f6dd2306eef95c7bbfbbef572d0744484f7d4a1ff2324d879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c322392ad85395faa972abac950aa13a36bf7c4cc47c54199ddfdf4dfdc8c48
[INFO] running `Command { std: "docker" "start" "-a" "7c322392ad85395faa972abac950aa13a36bf7c4cc47c54199ddfdf4dfdc8c48", kill_on_drop: false }`
[INFO] [stderr]    Compiling either_n v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | / macro_rules! reverse_idents {
[INFO] [stdout] 42 | |     () => {};
[INFO] [stdout] 43 | |
[INFO] [stdout] 44 | |     ($head:ident) => { $head };
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     };
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "7c322392ad85395faa972abac950aa13a36bf7c4cc47c54199ddfdf4dfdc8c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c322392ad85395faa972abac950aa13a36bf7c4cc47c54199ddfdf4dfdc8c48", kill_on_drop: false }`
[INFO] [stdout] 7c322392ad85395faa972abac950aa13a36bf7c4cc47c54199ddfdf4dfdc8c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1877dc1f10f1dac21c338262d4da1bbe6c2a42cdd5bfcad81085cca2832d0c2d
[INFO] running `Command { std: "docker" "start" "-a" "1877dc1f10f1dac21c338262d4da1bbe6c2a42cdd5bfcad81085cca2832d0c2d", kill_on_drop: false }`
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | / macro_rules! reverse_idents {
[INFO] [stdout] 42 | |     () => {};
[INFO] [stdout] 43 | |
[INFO] [stdout] 44 | |     ($head:ident) => { $head };
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     };
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling either_n v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | / macro_rules! reverse_idents {
[INFO] [stdout] 42 | |     () => {};
[INFO] [stdout] 43 | |
[INFO] [stdout] 44 | |     ($head:ident) => { $head };
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     };
[INFO] [stdout] 49 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:40
[INFO] [stdout]     |
[INFO] [stdout] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:389:33
[INFO] [stdout]     |
[INFO] [stdout] 389 |             _ => Either7::Seven(([()])),
[INFO] [stdout]     |                                 ^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:333:79
[INFO] [stdout]     |
[INFO] [stdout] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:332:76
[INFO] [stdout]     |
[INFO] [stdout] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:340:79
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stdout]     |                                                                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:339:76
[INFO] [stdout]     |
[INFO] [stdout] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 365 | / impl_enums!(
[INFO] [stdout] 366 | |     (Either8, Eight, eight),
[INFO] [stdout] 367 | |     (Either7, Seven, seven),
[INFO] [stdout] 368 | |     (Either6, Six, six),
[INFO] [stdout] ...   |
[INFO] [stdout] 373 | |     (Either1, One, one),
[INFO] [stdout] 374 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "1877dc1f10f1dac21c338262d4da1bbe6c2a42cdd5bfcad81085cca2832d0c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1877dc1f10f1dac21c338262d4da1bbe6c2a42cdd5bfcad81085cca2832d0c2d", kill_on_drop: false }`
[INFO] [stdout] 1877dc1f10f1dac21c338262d4da1bbe6c2a42cdd5bfcad81085cca2832d0c2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36da037be543cdf63284bd4accc183a88f868d1b969c92f389c4fc950755660d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36da037be543cdf63284bd4accc183a88f868d1b969c92f389c4fc950755660d", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / macro_rules! reverse_idents {
[INFO] [stderr] 42 | |     () => {};
[INFO] [stderr] 43 | |
[INFO] [stderr] 44 | |     ($head:ident) => { $head };
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |     };
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 39 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / macro_rules! reverse_idents {
[INFO] [stderr] 42 | |     () => {};
[INFO] [stderr] 43 | |
[INFO] [stderr] 44 | |     ($head:ident) => { $head };
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |     };
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:337:40
[INFO] [stderr]     |
[INFO] [stderr] 337 |               fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/lib.rs:389:33
[INFO] [stderr]     |
[INFO] [stderr] 389 |             _ => Either7::Seven(([()])),
[INFO] [stderr]     |                                 ^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:333:79
[INFO] [stderr]     |
[INFO] [stderr] 333 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.description() ),*
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:332:76
[INFO] [stderr]     |
[INFO] [stderr] 332 |                       $enum_name_head::$n_titlecase_head(ref value) => value.description(),
[INFO] [stderr]     |                                                                              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:340:79
[INFO] [stderr]     |
[INFO] [stderr] 340 |                       $( $enum_name_head::$n_titlecase_tail(ref value) => value.cause() ),*
[INFO] [stderr]     |                                                                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:339:76
[INFO] [stderr]     |
[INFO] [stderr] 339 |                       $enum_name_head::$n_titlecase_head(ref value) => value.cause(),
[INFO] [stderr]     |                                                                              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 365 | / impl_enums!(
[INFO] [stderr] 366 | |     (Either8, Eight, eight),
[INFO] [stderr] 367 | |     (Either7, Seven, seven),
[INFO] [stderr] 368 | |     (Either6, Six, six),
[INFO] [stderr] ...   |
[INFO] [stderr] 373 | |     (Either1, One, one),
[INFO] [stderr] 374 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/either_n-c4725b09edbf4d2b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests either_n
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "36da037be543cdf63284bd4accc183a88f868d1b969c92f389c4fc950755660d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36da037be543cdf63284bd4accc183a88f868d1b969c92f389c4fc950755660d", kill_on_drop: false }`
[INFO] [stdout] 36da037be543cdf63284bd4accc183a88f868d1b969c92f389c4fc950755660d