[INFO] fetching crate arr-rs 0.6.0...
[INFO] checking arr-rs-0.6.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate arr-rs 0.6.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate arr-rs 0.6.0
[INFO] finished tweaking crates.io crate arr-rs 0.6.0
[INFO] tweaked toml for crates.io crate arr-rs 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arr-rs 0.6.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 87 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rstest v0.18.2 (available: v0.26.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa688e46a59d03fbe065ad6d3f15e251aa0831953a5998c68efd0c7568e0cac0
[INFO] running `Command { std: "docker" "start" "-a" "fa688e46a59d03fbe065ad6d3f15e251aa0831953a5998c68efd0c7568e0cac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa688e46a59d03fbe065ad6d3f15e251aa0831953a5998c68efd0c7568e0cac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa688e46a59d03fbe065ad6d3f15e251aa0831953a5998c68efd0c7568e0cac0", kill_on_drop: false }`
[INFO] [stdout] fa688e46a59d03fbe065ad6d3f15e251aa0831953a5998c68efd0c7568e0cac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a87688afa3bb5f48b303b79685415aebc814dafc951a18f3d91d3fe8a35b3766
[INFO] running `Command { std: "docker" "start" "-a" "a87688afa3bb5f48b303b79685415aebc814dafc951a18f3d91d3fe8a35b3766", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking arr-rs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin_include`
[INFO] [stdout]  --> benches/bench_array_create.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(not(tarpaulin_include))]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin_include)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin_include)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin_include`
[INFO] [stdout]  --> benches/bench_array_sum.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(not(tarpaulin_include))]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin_include)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin_include)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin_include`
[INFO] [stdout]  --> benches/bench_array_product.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(not(tarpaulin_include))]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin_include)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin_include)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin_include`
[INFO] [stdout]  --> benches/bench_array_sum.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(not(tarpaulin_include))]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin_include)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin_include)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin_include`
[INFO] [stdout]  --> benches/bench_array_create.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(not(tarpaulin_include))]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin_include)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin_include)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin_include`
[INFO] [stdout]  --> benches/bench_array_product.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(not(tarpaulin_include))]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin_include)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin_include)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/indexing_test.rs:14:41
[INFO] [stdout]    |
[INFO] [stdout] 14 | case(array_flat!(String, "abc", "cde"), array_single!(String, "a"), array_flat!(usize, 1, 0)),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/indexing_test.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 | case(array_flat!(String, "abc", "cde"), array_single!(String, "a"), array_flat!(bool, true, false)),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/indexing_test.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 | case(array_flat!(String, "abc", "cde"), array_single!(String, "c"), array_flat!(bool, true, false)),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/indexing_test.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 | case(array_flat!(String, "abc", "cde"), array_single!(String, "a"), array_flat!(isize, 0, -1)),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/indexing_test.rs:54:41
[INFO] [stdout]    |
[INFO] [stdout] 54 | case(array_flat!(String, "abc", "cde"), array_single!(String, "b"), array_flat!(isize, 1, -1)),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/indexing_test.rs:64:41
[INFO] [stdout]    |
[INFO] [stdout] 64 | case(array_flat!(String, "abc", "cde"), array_single!(String, "a"), array_flat!(isize, 0, -1)),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/indexing_test.rs:74:41
[INFO] [stdout]    |
[INFO] [stdout] 74 | case(array_flat!(String, "abc", "cde"), array_single!(String, "b"), array_flat!(isize, 1, -1)),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 77 | case(array_single!(String, "aa"), array_single!(String, "-"), array_flat!(String, "a-a")),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 | case(array_single!(String, "aa"), array_single!(String, "-"), array_flat!(String, "a-a")),
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 | case(array_single!(String, "a-a-a"), array_single!(String, "-"), array_single!(Tuple3<String, String, String>, ("a", "-", "a-a"))),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:86:38
[INFO] [stdout]    |
[INFO] [stdout] 86 | case(array_single!(String, "a-a-a"), array_single!(String, "-"), array_single!(Tuple3<String, String, String>, ("a", "-", "a-a"))),
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:86:66
[INFO] [stdout]    |
[INFO] [stdout] 86 | case(array_single!(String, "a-a-a"), array_single!(String, "-"), array_single!(Tuple3<String, String, String>, ("a", "-", "a-a"))),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:86:66
[INFO] [stdout]    |
[INFO] [stdout] 86 | case(array_single!(String, "a-a-a"), array_single!(String, "-"), array_single!(Tuple3<String, String, String>, ("a", "-", "a-a"))),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:86:66
[INFO] [stdout]    |
[INFO] [stdout] 86 | case(array_single!(String, "a-a-a"), array_single!(String, "-"), array_single!(Tuple3<String, String, String>, ("a", "-", "a-a"))),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:87:47
[INFO] [stdout]    |
[INFO] [stdout] 87 | case(array_flat!(String, "a-a-a", "b-b-b-b"), array_single!(String, "-"), array_flat!(Tuple3<String, String, String>, ("a", "-", "a-a"), ...
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:96:6
[INFO] [stdout]    |
[INFO] [stdout] 96 | case(array_single!(String, "a-a-a"), array_single!(String, "-"), array_single!(Tuple3<String, String, String>, ("a-a", "-", "a"))),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:96:38
[INFO] [stdout]    |
[INFO] [stdout] 96 | case(array_single!(String, "a-a-a"), array_single!(String, "-"), array_single!(Tuple3<String, String, String>, ("a-a", "-", "a"))),
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:96:66
[INFO] [stdout]    |
[INFO] [stdout] 96 | case(array_single!(String, "a-a-a"), array_single!(String, "-"), array_single!(Tuple3<String, String, String>, ("a-a", "-", "a"))),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:96:66
[INFO] [stdout]    |
[INFO] [stdout] 96 | case(array_single!(String, "a-a-a"), array_single!(String, "-"), array_single!(Tuple3<String, String, String>, ("a-a", "-", "a"))),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:96:66
[INFO] [stdout]    |
[INFO] [stdout] 96 | case(array_single!(String, "a-a-a"), array_single!(String, "-"), array_single!(Tuple3<String, String, String>, ("a-a", "-", "a"))),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/manipulate_test.rs:97:47
[INFO] [stdout]    |
[INFO] [stdout] 97 | case(array_flat!(String, "a-a-a", "b-b-b-b"), array_single!(String, "-"), array_flat!(Tuple3<String, String, String>, ("a-a", "-", "a"), ...
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:106:6
[INFO] [stdout]     |
[INFO] [stdout] 106 | case(array_single!(String, "a a a"), None, None, array_single!(List<String>, vec!["a", "a", "a"])),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:106:50
[INFO] [stdout]     |
[INFO] [stdout] 106 | case(array_single!(String, "a a a"), None, None, array_single!(List<String>, vec!["a", "a", "a"])),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:107:6
[INFO] [stdout]     |
[INFO] [stdout] 107 | case(array_single!(String, "a a a"), None, Some(array_single!(usize, 3).unwrap()), array_single!(List<String>, vec!["a", "a", "a"])),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:107:84
[INFO] [stdout]     |
[INFO] [stdout] 107 | case(array_single!(String, "a a a"), None, Some(array_single!(usize, 3).unwrap()), array_single!(List<String>, vec!["a", "a", "a"])),
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:108:52
[INFO] [stdout]     |
[INFO] [stdout] 108 | case(array_flat!(String, "a-a-a", "b-b-b-b"), Some(array_single!(String, "-").unwrap()), None, array_flat!(List<String>, vec!["a", "a", "...
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:118:6
[INFO] [stdout]     |
[INFO] [stdout] 118 | case(array_single!(String, "a a a"), None, None, array_single!(List<String>, vec!["a", "a", "a"])),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:118:50
[INFO] [stdout]     |
[INFO] [stdout] 118 | case(array_single!(String, "a a a"), None, None, array_single!(List<String>, vec!["a", "a", "a"])),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:119:52
[INFO] [stdout]     |
[INFO] [stdout] 119 | case(array_flat!(String, "a-a-a", "b-b-b-b"), Some(array_single!(String, "-").unwrap()), None, array_flat!(List<String>, vec!["a", "a", "...
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:129:6
[INFO] [stdout]     |
[INFO] [stdout] 129 | case(array_single!(String, "a\na\ra\r\na"), None, array_single!(List<String>, vec!["a", "a", "a", "a"])),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:129:51
[INFO] [stdout]     |
[INFO] [stdout] 129 | case(array_single!(String, "a\na\ra\r\na"), None, array_single!(List<String>, vec!["a", "a", "a", "a"])),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:130:6
[INFO] [stdout]     |
[INFO] [stdout] 130 | case(array_single!(String, "a\na\ra\r\na"), Some(array_single!(bool, true).unwrap()), array_single!(List<String>, vec!["a\n", "a\r", "a\r...
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:130:87
[INFO] [stdout]     |
[INFO] [stdout] 130 | ...rray_single!(bool, true).unwrap()), array_single!(List<String>, vec!["a\n", "a\r", "a\r\n", "a"])),
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:139:6
[INFO] [stdout]     |
[INFO] [stdout] 139 | case(array_single!(String, "abba"), array_single!(String, "bb"), array_single!(String, "cc"), None, array_single!(String, "acca")),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:139:37
[INFO] [stdout]     |
[INFO] [stdout] 139 | case(array_single!(String, "abba"), array_single!(String, "bb"), array_single!(String, "cc"), None, array_single!(String, "acca")),
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:139:66
[INFO] [stdout]     |
[INFO] [stdout] 139 | case(array_single!(String, "abba"), array_single!(String, "bb"), array_single!(String, "cc"), None, array_single!(String, "acca")),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:139:101
[INFO] [stdout]     |
[INFO] [stdout] 139 | case(array_single!(String, "abba"), array_single!(String, "bb"), array_single!(String, "cc"), None, array_single!(String, "acca")),
[INFO] [stdout]     |                                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:140:6
[INFO] [stdout]     |
[INFO] [stdout] 140 | case(array_single!(String, "abbddbba"), array_single!(String, "bb"), array_single!(String, "cc"), Some(1), array_single!(String, "accddbb...
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:140:41
[INFO] [stdout]     |
[INFO] [stdout] 140 | case(array_single!(String, "abbddbba"), array_single!(String, "bb"), array_single!(String, "cc"), Some(1), array_single!(String, "accddbb...
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:140:70
[INFO] [stdout]     |
[INFO] [stdout] 140 | case(array_single!(String, "abbddbba"), array_single!(String, "bb"), array_single!(String, "cc"), Some(1), array_single!(String, "accddbb...
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:140:108
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...ing, "bb"), array_single!(String, "cc"), Some(1), array_single!(String, "accddbba")),
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:148:6
[INFO] [stdout]     |
[INFO] [stdout] 148 | case(array_single!(String, " abcba "), None, array_single!(String, "abcba")),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:148:46
[INFO] [stdout]     |
[INFO] [stdout] 148 | case(array_single!(String, " abcba "), None, array_single!(String, "abcba")),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:149:6
[INFO] [stdout]     |
[INFO] [stdout] 149 | case(array_single!(String, "abcba"), Some(array_single!(String, "ab").unwrap()), array_single!(String, "c")),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:149:43
[INFO] [stdout]     |
[INFO] [stdout] 149 | case(array_single!(String, "abcba"), Some(array_single!(String, "ab").unwrap()), array_single!(String, "c")),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:149:82
[INFO] [stdout]     |
[INFO] [stdout] 149 | case(array_single!(String, "abcba"), Some(array_single!(String, "ab").unwrap()), array_single!(String, "c")),
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 | case(array_single!(String, " abcba "), None, array_single!(String, "abcba ")),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:158:46
[INFO] [stdout]     |
[INFO] [stdout] 158 | case(array_single!(String, " abcba "), None, array_single!(String, "abcba ")),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:159:6
[INFO] [stdout]     |
[INFO] [stdout] 159 | case(array_single!(String, "abcba"), Some(array_single!(String, "ab").unwrap()), array_single!(String, "cba")),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:159:43
[INFO] [stdout]     |
[INFO] [stdout] 159 | case(array_single!(String, "abcba"), Some(array_single!(String, "ab").unwrap()), array_single!(String, "cba")),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:159:82
[INFO] [stdout]     |
[INFO] [stdout] 159 | case(array_single!(String, "abcba"), Some(array_single!(String, "ab").unwrap()), array_single!(String, "cba")),
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:168:6
[INFO] [stdout]     |
[INFO] [stdout] 168 | case(array_single!(String, " abcba "), None, array_single!(String, " abcba")),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:168:46
[INFO] [stdout]     |
[INFO] [stdout] 168 | case(array_single!(String, " abcba "), None, array_single!(String, " abcba")),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:169:6
[INFO] [stdout]     |
[INFO] [stdout] 169 | case(array_single!(String, "abcba"), Some(array_single!(String, "ab").unwrap()), array_single!(String, "abc")),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:169:43
[INFO] [stdout]     |
[INFO] [stdout] 169 | case(array_single!(String, "abcba"), Some(array_single!(String, "ab").unwrap()), array_single!(String, "abc")),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/manipulate_test.rs:169:82
[INFO] [stdout]     |
[INFO] [stdout] 169 | case(array_single!(String, "abcba"), Some(array_single!(String, "ab").unwrap()), array_single!(String, "abc")),
[INFO] [stdout]     |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> tests/alphanumeric/operations/validate_test.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | case(array_single!(String, "abc"), array_single!(bool, true)),
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> tests/alphanumeric/operations/validate_test.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | case(array_single!(String, "aBc"), array_single!(bool, true)),
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> tests/alphanumeric/operations/validate_test.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | case(array_single!(String, "ab1"), array_single!(bool, false)),
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> tests/alphanumeric/operations/validate_test.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | case(array_single!(String, "Ab1"), array_single!(bool, false)),
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | case(array_single!(String, " "), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | case(array_single!(String, ""), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | case(array_single!(String, "abc"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | case(array_single!(String, "aBc"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | case(array_single!(String, "ab1"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | case(array_single!(String, "Ab1"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | case(array_single!(String, " "), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | case(array_single!(String, ""), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | case(array_single!(String, "1"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:31:6
[INFO] [stdout]    |
[INFO] [stdout] 31 | case(array_single!(String, "123"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | case(array_single!(String, "abc"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | case(array_single!(String, "aBc"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 | case(array_single!(String, "ab1"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | case(array_single!(String, "123.32"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:38:6
[INFO] [stdout]    |
[INFO] [stdout] 38 | case(array_single!(String, "VII"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | case(array_single!(String, " "), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | case(array_single!(String, ""), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | case(array_single!(String, "1"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 | case(array_single!(String, "123"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:49:6
[INFO] [stdout]    |
[INFO] [stdout] 49 | case(array_single!(String, "abc"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | case(array_single!(String, "aBc"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | case(array_single!(String, "ab1"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | case(array_single!(String, "123.32"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:53:6
[INFO] [stdout]    |
[INFO] [stdout] 53 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:55:6
[INFO] [stdout]    |
[INFO] [stdout] 55 | case(array_single!(String, "VII"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:56:6
[INFO] [stdout]    |
[INFO] [stdout] 56 | case(array_single!(String, " "), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:57:6
[INFO] [stdout]    |
[INFO] [stdout] 57 | case(array_single!(String, ""), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:64:6
[INFO] [stdout]    |
[INFO] [stdout] 64 | case(array_single!(String, "1"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:65:6
[INFO] [stdout]    |
[INFO] [stdout] 65 | case(array_single!(String, "123"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:66:6
[INFO] [stdout]    |
[INFO] [stdout] 66 | case(array_single!(String, "abc"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 | case(array_single!(String, "aBc"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | case(array_single!(String, "ab1"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:69:6
[INFO] [stdout]    |
[INFO] [stdout] 69 | case(array_single!(String, "123.32"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:71:6
[INFO] [stdout]    |
[INFO] [stdout] 71 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 | case(array_single!(String, "VII"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 | case(array_single!(String, " "), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:74:6
[INFO] [stdout]    |
[INFO] [stdout] 74 | case(array_single!(String, ""), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:81:6
[INFO] [stdout]    |
[INFO] [stdout] 81 | case(array_single!(String, " "), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:82:6
[INFO] [stdout]    |
[INFO] [stdout] 82 | case(array_single!(String, "1"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 83 | case(array_single!(String, "123"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:84:6
[INFO] [stdout]    |
[INFO] [stdout] 84 | case(array_single!(String, "abc"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:85:6
[INFO] [stdout]    |
[INFO] [stdout] 85 | case(array_single!(String, "aBc"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 | case(array_single!(String, "ab1"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:87:6
[INFO] [stdout]    |
[INFO] [stdout] 87 | case(array_single!(String, "123.32"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:88:6
[INFO] [stdout]    |
[INFO] [stdout] 88 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:89:6
[INFO] [stdout]    |
[INFO] [stdout] 89 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:90:6
[INFO] [stdout]    |
[INFO] [stdout] 90 | case(array_single!(String, "VII"), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:91:6
[INFO] [stdout]    |
[INFO] [stdout] 91 | case(array_single!(String, ""), array_single!(bool, false)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:98:6
[INFO] [stdout]    |
[INFO] [stdout] 98 | case(array_single!(String, "abc"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/alphanumeric/operations/validate_test.rs:99:6
[INFO] [stdout]    |
[INFO] [stdout] 99 | case(array_single!(String, "ab1"), array_single!(bool, true)),
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:100:6
[INFO] [stdout]     |
[INFO] [stdout] 100 | case(array_single!(String, " "), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:101:6
[INFO] [stdout]     |
[INFO] [stdout] 101 | case(array_single!(String, "1"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:102:6
[INFO] [stdout]     |
[INFO] [stdout] 102 | case(array_single!(String, "123"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:103:6
[INFO] [stdout]     |
[INFO] [stdout] 103 | case(array_single!(String, "aBc"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:104:6
[INFO] [stdout]     |
[INFO] [stdout] 104 | case(array_single!(String, "ABC"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:105:6
[INFO] [stdout]     |
[INFO] [stdout] 105 | case(array_single!(String, "123.32"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:106:6
[INFO] [stdout]     |
[INFO] [stdout] 106 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:107:6
[INFO] [stdout]     |
[INFO] [stdout] 107 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:108:6
[INFO] [stdout]     |
[INFO] [stdout] 108 | case(array_single!(String, "VII"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:109:6
[INFO] [stdout]     |
[INFO] [stdout] 109 | case(array_single!(String, ""), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:116:6
[INFO] [stdout]     |
[INFO] [stdout] 116 | case(array_single!(String, "ABC"), array_single!(bool, true)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:117:6
[INFO] [stdout]     |
[INFO] [stdout] 117 | case(array_single!(String, "VII"), array_single!(bool, true)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:118:6
[INFO] [stdout]     |
[INFO] [stdout] 118 | case(array_single!(String, " "), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:119:6
[INFO] [stdout]     |
[INFO] [stdout] 119 | case(array_single!(String, "1"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:120:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | case(array_single!(String, "123"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:121:6
[INFO] [stdout]     |
[INFO] [stdout] 121 | case(array_single!(String, "abc"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:122:6
[INFO] [stdout]     |
[INFO] [stdout] 122 | case(array_single!(String, "aBc"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:123:6
[INFO] [stdout]     |
[INFO] [stdout] 123 | case(array_single!(String, "ab1"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:124:6
[INFO] [stdout]     |
[INFO] [stdout] 124 | case(array_single!(String, "123.32"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:125:6
[INFO] [stdout]     |
[INFO] [stdout] 125 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:126:6
[INFO] [stdout]     |
[INFO] [stdout] 126 | case(array_single!(String, "123/435"), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> tests/alphanumeric/operations/validate_test.rs:127:6
[INFO] [stdout]     |
[INFO] [stdout] 127 | case(array_single!(String, ""), array_single!(bool, false)),
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `array_single` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arr-rs` (test "lib") due to 136 previous errors
[INFO] running `Command { std: "docker" "inspect" "a87688afa3bb5f48b303b79685415aebc814dafc951a18f3d91d3fe8a35b3766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87688afa3bb5f48b303b79685415aebc814dafc951a18f3d91d3fe8a35b3766", kill_on_drop: false }`
[INFO] [stdout] a87688afa3bb5f48b303b79685415aebc814dafc951a18f3d91d3fe8a35b3766
