[INFO] fetching crate perhaps 2.0.0...
[INFO] testing perhaps-2.0.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate perhaps 2.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate perhaps 2.0.0
[INFO] finished tweaking crates.io crate perhaps 2.0.0
[INFO] tweaked toml for crates.io crate perhaps 2.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate perhaps 2.0.0 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4d523701494644f99f38b85f45b3b0833a72ccbcccc69a959b30dd4eea3518b
[INFO] running `Command { std: "docker" "start" "-a" "e4d523701494644f99f38b85f45b3b0833a72ccbcccc69a959b30dd4eea3518b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4d523701494644f99f38b85f45b3b0833a72ccbcccc69a959b30dd4eea3518b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d523701494644f99f38b85f45b3b0833a72ccbcccc69a959b30dd4eea3518b", kill_on_drop: false }`
[INFO] [stdout] e4d523701494644f99f38b85f45b3b0833a72ccbcccc69a959b30dd4eea3518b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05f6103e6dc55df98741dd4ee34aa93505b23720d8f6520c051f159cfb2391f5
[INFO] running `Command { std: "docker" "start" "-a" "05f6103e6dc55df98741dd4ee34aa93505b23720d8f6520c051f159cfb2391f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling perhaps v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1638:16
[INFO] [stdout]      |
[INFO] [stdout] 1638 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1639:12
[INFO] [stdout]      |
[INFO] [stdout] 1639 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1647:16
[INFO] [stdout]      |
[INFO] [stdout] 1647 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1648:12
[INFO] [stdout]      |
[INFO] [stdout] 1648 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "05f6103e6dc55df98741dd4ee34aa93505b23720d8f6520c051f159cfb2391f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f6103e6dc55df98741dd4ee34aa93505b23720d8f6520c051f159cfb2391f5", kill_on_drop: false }`
[INFO] [stdout] 05f6103e6dc55df98741dd4ee34aa93505b23720d8f6520c051f159cfb2391f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 391ffd85deca9a6e70197e558a23acbffcd7eb8ed95e59681cc974ce8cec7ab7
[INFO] running `Command { std: "docker" "start" "-a" "391ffd85deca9a6e70197e558a23acbffcd7eb8ed95e59681cc974ce8cec7ab7", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1638:16
[INFO] [stdout]      |
[INFO] [stdout] 1638 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1639:12
[INFO] [stdout]      |
[INFO] [stdout] 1639 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1647:16
[INFO] [stdout]      |
[INFO] [stdout] 1647 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1648:12
[INFO] [stdout]      |
[INFO] [stdout] 1648 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling perhaps v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1638:16
[INFO] [stdout]      |
[INFO] [stdout] 1638 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1639:12
[INFO] [stdout]      |
[INFO] [stdout] 1639 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1647:16
[INFO] [stdout]      |
[INFO] [stdout] 1647 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stdout]     --> src/lib.rs:1648:12
[INFO] [stdout]      |
[INFO] [stdout] 1648 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]      |
[INFO] [stdout]      = note: no expected values for `feature`
[INFO] [stdout]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "391ffd85deca9a6e70197e558a23acbffcd7eb8ed95e59681cc974ce8cec7ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391ffd85deca9a6e70197e558a23acbffcd7eb8ed95e59681cc974ce8cec7ab7", kill_on_drop: false }`
[INFO] [stdout] 391ffd85deca9a6e70197e558a23acbffcd7eb8ed95e59681cc974ce8cec7ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80ee9cf7088193d488d749afb2b9e6605a05cf26fe318a7ecf3ea2499a601dcb
[INFO] running `Command { std: "docker" "start" "-a" "80ee9cf7088193d488d749afb2b9e6605a05cf26fe318a7ecf3ea2499a601dcb", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stderr]     --> src/lib.rs:1638:16
[INFO] [stderr]      |
[INFO] [stderr] 1638 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]      |
[INFO] [stderr]      = note: no expected values for `feature`
[INFO] [stderr]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stderr]     --> src/lib.rs:1639:12
[INFO] [stderr]      |
[INFO] [stderr] 1639 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]      |
[INFO] [stderr]      = note: no expected values for `feature`
[INFO] [stderr]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stderr]     --> src/lib.rs:1647:16
[INFO] [stderr]      |
[INFO] [stderr] 1647 | #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]      |
[INFO] [stderr]      = note: no expected values for `feature`
[INFO] [stderr]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `panic_immediate_abort`
[INFO] [stderr]     --> src/lib.rs:1648:12
[INFO] [stderr]      |
[INFO] [stderr] 1648 | #[cfg_attr(feature = "panic_immediate_abort", inline)]
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]      |
[INFO] [stderr]      = note: no expected values for `feature`
[INFO] [stderr]      = help: consider adding `panic_immediate_abort` as a feature in `Cargo.toml`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `perhaps` (lib) generated 4 warnings
[INFO] [stderr] warning: `perhaps` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/perhaps-109270fd6b17c071)
[INFO] [stderr]    Doc-tests perhaps
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test src/lib.rs - (line 97) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 459) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 517) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 81) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<&'_T>::cloned (line 1544) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 57) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 442) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 401) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 503) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 318) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<&'_mutT>::copied (line 1569) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<&'_mutT>::cloned (line 1592) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 420) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - Perhaps<&'_T>::copied (line 1519) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 387) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<&'amutT>::from (line 1741) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<Perhaps<T>>::flatten (line 1764) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<Result<T,E>>::transpose (line 1620) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::and_then (line 1178) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::as_mut (line 671) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::as_deref_mut (line 1098) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 350) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::and_then (line 1166) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::default (line 1685) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::get_or_insert (line 1365) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::as_ref (line 652) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<(T,U)>::unzip (line 1497) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::expect (line 705) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::and (line 1134) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<Perhaps<T>>::flatten (line 1777) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::as_deref (line 1073) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::insert (line 1338) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::get_or_insert_with (line 1393) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::map_or_else (line 989) - compile ... ok
[INFO] [stdout] test src/lib.rs - Perhaps<T>::from (line 1700) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::is_certain (line 581) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::is_certain_and (line 598) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::ok_or_else (line 1048) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::inspect (line 914) ... ok
[INFO] [stdout] test src/lib.rs - Perhaps<T>::map (line 888) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::map_or_else (line 970) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<&'aT>::from (line 1723) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::filter (line 1212) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::unwrap (line 760) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::map_or (line 946) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::or_else (line 1276) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::unwrap_or (line 783) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::ok_or (line 1024) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::unwrap (line 755) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::replace (line 1450) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::expect (line 700) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::take (line 1427) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::unwrap_or_default (line 824) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::unwrap_or_else (line 799) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::unwrap_unchecked (line 862) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::unwrap_unchecked (line 857) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::or (line 1246) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::zip (line 1473) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::xor (line 1299) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::is_dubious (line 621) ... FAILED
[INFO] [stdout] test src/lib.rs - Perhaps<T>::expect (line 715) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 97) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:100:46
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn add_last_numbers(stack: &mut Vec<i32>) -> Perhaps<i32> {
[INFO] [stdout]     |                                              ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout]  99 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Certain(stack.pop()? + stack.pop()?)
[INFO] [stdout]     |     ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout]  99 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 459) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:460:10
[INFO] [stdout]     |
[INFO] [stdout] 460 | let v = [Dubious, Self::Certain(1), Self::Certain(2), Certain(3)];
[INFO] [stdout]     |          ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 459 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:460:55
[INFO] [stdout]     |
[INFO] [stdout] 460 | let v = [Dubious, Self::Certain(1), Self::Certain(2), Certain(3)];
[INFO] [stdout]     |                                                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 459 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:461:10
[INFO] [stdout]     |
[INFO] [stdout] 461 | let res: Perhaps<i32> = v.into_iter().sum();
[INFO] [stdout]     |          ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 459 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:462:17
[INFO] [stdout]     |
[INFO] [stdout] 462 | assert_eq!(res, Dubious);
[INFO] [stdout]     |                 ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 459 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:463:46
[INFO] [stdout]     |
[INFO] [stdout] 463 | let v = [Self::Certain(1), Self::Certain(2), Certain(21)];
[INFO] [stdout]     |                                              ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 459 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:464:10
[INFO] [stdout]     |
[INFO] [stdout] 464 | let res: Perhaps<i32> = v.into_iter().product();
[INFO] [stdout]     |          ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 459 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:465:17
[INFO] [stdout]     |
[INFO] [stdout] 465 | assert_eq!(res, Certain(42));
[INFO] [stdout]     |                 ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 459 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]    --> src/lib.rs:460:19
[INFO] [stdout]     |
[INFO] [stdout] 460 | let v = [Dubious, Self::Certain(1), Self::Certain(2), Certain(3)];
[INFO] [stdout]     |                   ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]    --> src/lib.rs:460:37
[INFO] [stdout]     |
[INFO] [stdout] 460 | let v = [Dubious, Self::Certain(1), Self::Certain(2), Certain(3)];
[INFO] [stdout]     |                                     ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]    --> src/lib.rs:463:10
[INFO] [stdout]     |
[INFO] [stdout] 463 | let v = [Self::Certain(1), Self::Certain(2), Certain(21)];
[INFO] [stdout]     |          ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]    --> src/lib.rs:463:28
[INFO] [stdout]     |
[INFO] [stdout] 463 | let v = [Self::Certain(1), Self::Certain(2), Certain(21)];
[INFO] [stdout]     |                            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 517) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:532:34
[INFO] [stdout]     |
[INFO] [stdout] 532 | let mut name_of_biggest_animal = Dubious;
[INFO] [stdout]     |                                  ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 517 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:539:38
[INFO] [stdout]     |
[INFO] [stdout] 539 |             name_of_biggest_animal = Certain(name);
[INFO] [stdout]     |                                      ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 517 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:546:5
[INFO] [stdout]     |
[INFO] [stdout] 546 |     Certain(name) => println!("the biggest animal is {name}"),
[INFO] [stdout]     |     ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 517 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0531.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 22) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]   --> src/lib.rs:23:48
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn divide(numerator: f64, denominator: f64) -> Perhaps<f64> {
[INFO] [stdout]    |                                                ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 22 + use perhaps::Perhaps;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]   --> src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Dubious
[INFO] [stdout]    |         ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 22 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Certain(numerator / denominator)
[INFO] [stdout]    |         ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 22 + use perhaps::Perhaps::Certain;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Certain(x) => println!("Result: {x}"),
[INFO] [stdout]    |     ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 22 + use perhaps::Perhaps::Certain;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0531.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 81) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]   --> src/lib.rs:84:46
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn add_last_numbers(stack: &mut Vec<i32>) -> Perhaps<i32> {
[INFO] [stdout]    |                                              ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 83 + use perhaps::Perhaps;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]   --> src/lib.rs:89:49
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (Self::Certain(x), Self::Certain(y)) => Certain(x + y),
[INFO] [stdout]    |                                                 ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 83 + use perhaps::Perhaps::Certain;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]   --> src/lib.rs:90:14
[INFO] [stdout]    |
[INFO] [stdout] 90 |         _ => Dubious,
[INFO] [stdout]    |              ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 83 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]   --> src/lib.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (Self::Certain(x), Self::Certain(y)) => Certain(x + y),
[INFO] [stdout]    |          ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]   --> src/lib.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (Self::Certain(x), Self::Certain(y)) => Certain(x + y),
[INFO] [stdout]    |                            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<&'_T>::cloned (line 1544) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1546:13
[INFO] [stdout]      |
[INFO] [stdout] 1546 | let opt_x = Certain(&x);
[INFO] [stdout]      |             ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1544 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1547:19
[INFO] [stdout]      |
[INFO] [stdout] 1547 | assert_eq!(opt_x, Certain(&12));
[INFO] [stdout]      |                   ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1544 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1549:20
[INFO] [stdout]      |
[INFO] [stdout] 1549 | assert_eq!(cloned, Certain(12));
[INFO] [stdout]      |                    ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1544 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 57) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]   --> src/lib.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 | let optional = Dubious;
[INFO] [stdout]    |                ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]    |
[INFO] [stdout] 57 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]   --> src/lib.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 | let optional = Certain(Box::new(9000));
[INFO] [stdout]    |                ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 57 + use perhaps::Perhaps::Certain;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]   --> src/lib.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn check_optional(optional: Perhaps<Box<i32>>) {
[INFO] [stdout]    |                             ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 57 + use perhaps::Perhaps;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]   --> src/lib.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Certain(p) => println!("has value {p}"),
[INFO] [stdout]    |         ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]    |
[INFO] [stdout] 57 + use perhaps::Perhaps::Certain;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0531.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 442) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:443:46
[INFO] [stdout]     |
[INFO] [stdout] 443 | let v = [Self::Certain(2), Self::Certain(4), Dubious, Certain(8)];
[INFO] [stdout]     |                                              ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 442 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:443:55
[INFO] [stdout]     |
[INFO] [stdout] 443 | let v = [Self::Certain(2), Self::Certain(4), Dubious, Certain(8)];
[INFO] [stdout]     |                                                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 442 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:444:10
[INFO] [stdout]     |
[INFO] [stdout] 444 | let res: Perhaps<Vec<_>> = v.into_iter().collect();
[INFO] [stdout]     |          ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 442 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:445:17
[INFO] [stdout]     |
[INFO] [stdout] 445 | assert_eq!(res, Dubious);
[INFO] [stdout]     |                 ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 442 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:446:46
[INFO] [stdout]     |
[INFO] [stdout] 446 | let v = [Self::Certain(2), Self::Certain(4), Certain(8)];
[INFO] [stdout]     |                                              ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 442 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:447:10
[INFO] [stdout]     |
[INFO] [stdout] 447 | let res: Perhaps<Vec<_>> = v.into_iter().collect();
[INFO] [stdout]     |          ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 442 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:448:17
[INFO] [stdout]     |
[INFO] [stdout] 448 | assert_eq!(res, Certain(vec![2, 4, 8]));
[INFO] [stdout]     |                 ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 442 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]    --> src/lib.rs:443:10
[INFO] [stdout]     |
[INFO] [stdout] 443 | let v = [Self::Certain(2), Self::Certain(4), Dubious, Certain(8)];
[INFO] [stdout]     |          ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]    --> src/lib.rs:443:28
[INFO] [stdout]     |
[INFO] [stdout] 443 | let v = [Self::Certain(2), Self::Certain(4), Dubious, Certain(8)];
[INFO] [stdout]     |                            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]    --> src/lib.rs:446:10
[INFO] [stdout]     |
[INFO] [stdout] 446 | let v = [Self::Certain(2), Self::Certain(4), Certain(8)];
[INFO] [stdout]     |          ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]    --> src/lib.rs:446:28
[INFO] [stdout]     |
[INFO] [stdout] 446 | let v = [Self::Certain(2), Self::Certain(4), Certain(8)];
[INFO] [stdout]     |                            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 401) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:405:37
[INFO] [stdout]     |
[INFO] [stdout] 405 |         true => return (0..4).chain(Certain(42)).chain(4..8),
[INFO] [stdout]     |                                     ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 401 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:406:38
[INFO] [stdout]     |
[INFO] [stdout] 406 |         false => return (0..4).chain(Dubious).chain(4..8),
[INFO] [stdout]     |                                      ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 401 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 503) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:504:11
[INFO] [stdout]     |
[INFO] [stdout] 504 | let msg = Certain("howdy");
[INFO] [stdout]     |           ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 503 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:507:8
[INFO] [stdout]     |
[INFO] [stdout] 507 | if let Certain(m) = &msg {
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 503 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0531.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 318) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:333:17
[INFO] [stdout]     |
[INFO] [stdout] 333 |             .or(Certain(&"error!"))
[INFO] [stdout]     |                 ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 318 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<&'_mutT>::copied (line 1569) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1571:13
[INFO] [stdout]      |
[INFO] [stdout] 1571 | let opt_x = Certain(&mut x);
[INFO] [stdout]      |             ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1569 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1572:19
[INFO] [stdout]      |
[INFO] [stdout] 1572 | assert_eq!(opt_x, Certain(&mut 12));
[INFO] [stdout]      |                   ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1569 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1574:20
[INFO] [stdout]      |
[INFO] [stdout] 1574 | assert_eq!(copied, Certain(12));
[INFO] [stdout]      |                    ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1569 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<&'_mutT>::cloned (line 1592) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1594:13
[INFO] [stdout]      |
[INFO] [stdout] 1594 | let opt_x = Certain(&mut x);
[INFO] [stdout]      |             ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1592 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1595:19
[INFO] [stdout]      |
[INFO] [stdout] 1595 | assert_eq!(opt_x, Certain(&mut 12));
[INFO] [stdout]      |                   ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1592 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1597:20
[INFO] [stdout]      |
[INFO] [stdout] 1597 | assert_eq!(cloned, Certain(12));
[INFO] [stdout]      |                    ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1592 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<&'_T>::copied (line 1519) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1521:13
[INFO] [stdout]      |
[INFO] [stdout] 1521 | let opt_x = Certain(&x);
[INFO] [stdout]      |             ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1519 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1522:19
[INFO] [stdout]      |
[INFO] [stdout] 1522 | assert_eq!(opt_x, Certain(&12));
[INFO] [stdout]      |                   ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1519 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1524:20
[INFO] [stdout]      |
[INFO] [stdout] 1524 | assert_eq!(copied, Certain(12));
[INFO] [stdout]      |                    ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1519 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 387) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:388:11
[INFO] [stdout]     |
[INFO] [stdout] 388 | let yep = Certain(42);
[INFO] [stdout]     |           ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 387 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:389:12
[INFO] [stdout]     |
[INFO] [stdout] 389 | let nope = Dubious;
[INFO] [stdout]     |            ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 387 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<&'amutT>::from (line 1741) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1742:13
[INFO] [stdout]      |
[INFO] [stdout] 1742 | let mut s = Certain(String::from("Hello"));
[INFO] [stdout]      |             ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1741 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1743:8
[INFO] [stdout]      |
[INFO] [stdout] 1743 | let o: Perhaps<&mut String> = Perhaps::from(&mut s);
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1741 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Perhaps`
[INFO] [stdout]     --> src/lib.rs:1743:31
[INFO] [stdout]      |
[INFO] [stdout] 1743 | let o: Perhaps<&mut String> = Perhaps::from(&mut s);
[INFO] [stdout]      |                               ^^^^^^^ use of undeclared type `Perhaps`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1741 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1746:5
[INFO] [stdout]      |
[INFO] [stdout] 1746 |     Certain(t) => *t = String::from("Hello, Rustaceans!"),
[INFO] [stdout]      |     ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1741 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1750:15
[INFO] [stdout]      |
[INFO] [stdout] 1750 | assert_eq!(s, Certain(String::from("Hello, Rustaceans!")));
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1741 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0531.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<Perhaps<T>>::flatten (line 1764) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1765:8
[INFO] [stdout]      |
[INFO] [stdout] 1765 | let x: Perhaps<Perhaps<u32>> = Self::Certain(Certain(6));
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1765:16
[INFO] [stdout]      |
[INFO] [stdout] 1765 | let x: Perhaps<Perhaps<u32>> = Self::Certain(Certain(6));
[INFO] [stdout]      |                ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1765:46
[INFO] [stdout]      |
[INFO] [stdout] 1765 | let x: Perhaps<Perhaps<u32>> = Self::Certain(Certain(6));
[INFO] [stdout]      |                                              ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1766:12
[INFO] [stdout]      |
[INFO] [stdout] 1766 | assert_eq!(Certain(6), x.flatten());
[INFO] [stdout]      |            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1768:8
[INFO] [stdout]      |
[INFO] [stdout] 1768 | let x: Perhaps<Perhaps<u32>> = Certain(Dubious);
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1768:16
[INFO] [stdout]      |
[INFO] [stdout] 1768 | let x: Perhaps<Perhaps<u32>> = Certain(Dubious);
[INFO] [stdout]      |                ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1768:32
[INFO] [stdout]      |
[INFO] [stdout] 1768 | let x: Perhaps<Perhaps<u32>> = Certain(Dubious);
[INFO] [stdout]      |                                ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1768:40
[INFO] [stdout]      |
[INFO] [stdout] 1768 | let x: Perhaps<Perhaps<u32>> = Certain(Dubious);
[INFO] [stdout]      |                                        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1769:12
[INFO] [stdout]      |
[INFO] [stdout] 1769 | assert_eq!(Dubious, x.flatten());
[INFO] [stdout]      |            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1771:8
[INFO] [stdout]      |
[INFO] [stdout] 1771 | let x: Perhaps<Perhaps<u32>> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1771:16
[INFO] [stdout]      |
[INFO] [stdout] 1771 | let x: Perhaps<Perhaps<u32>> = Dubious;
[INFO] [stdout]      |                ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1771:32
[INFO] [stdout]      |
[INFO] [stdout] 1771 | let x: Perhaps<Perhaps<u32>> = Dubious;
[INFO] [stdout]      |                                ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1772:12
[INFO] [stdout]      |
[INFO] [stdout] 1772 | assert_eq!(Dubious, x.flatten());
[INFO] [stdout]      |            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1764 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1765:32
[INFO] [stdout]      |
[INFO] [stdout] 1765 | let x: Perhaps<Perhaps<u32>> = Self::Certain(Certain(6));
[INFO] [stdout]      |                                ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<Result<T,E>>::transpose (line 1620) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1624:15
[INFO] [stdout]      |
[INFO] [stdout] 1624 | let x: Result<Perhaps<i32>, SomeErr> = Ok(Certain(5));
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1620 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1624:43
[INFO] [stdout]      |
[INFO] [stdout] 1624 | let x: Result<Perhaps<i32>, SomeErr> = Ok(Certain(5));
[INFO] [stdout]      |                                           ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1620 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1625:8
[INFO] [stdout]      |
[INFO] [stdout] 1625 | let y: Perhaps<Result<i32, SomeErr>> = Certain(Ok(5));
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1620 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1625:40
[INFO] [stdout]      |
[INFO] [stdout] 1625 | let y: Perhaps<Result<i32, SomeErr>> = Certain(Ok(5));
[INFO] [stdout]      |                                        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1620 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::and_then (line 1178) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1182:22
[INFO] [stdout]      |
[INFO] [stdout] 1182 | assert_eq!(item_0_1, Certain(&"A1"));
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1178 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1185:22
[INFO] [stdout]      |
[INFO] [stdout] 1185 | assert_eq!(item_2_0, Dubious);
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1178 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::as_mut (line 671) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:672:13
[INFO] [stdout]     |
[INFO] [stdout] 672 | let mut x = Certain(2);
[INFO] [stdout]     |             ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 671 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0531]: cannot find tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:674:5
[INFO] [stdout]     |
[INFO] [stdout] 674 |     Certain(v) => *v = 42,
[INFO] [stdout]     |     ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 671 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:677:15
[INFO] [stdout]     |
[INFO] [stdout] 677 | assert_eq!(x, Certain(42));
[INFO] [stdout]     |               ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 671 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0531.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::as_deref_mut (line 1098) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1099:12
[INFO] [stdout]      |
[INFO] [stdout] 1099 | let mut x: Perhaps<String> = Certain("hey".to_owned());
[INFO] [stdout]      |            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1098 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1099:30
[INFO] [stdout]      |
[INFO] [stdout] 1099 | let mut x: Perhaps<String> = Certain("hey".to_owned());
[INFO] [stdout]      |                              ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1098 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1103:5
[INFO] [stdout]      |
[INFO] [stdout] 1103 | }), Certain("HEY".to_owned().as_mut_str()));
[INFO] [stdout]      |     ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1098 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> src/lib.rs:1100:34
[INFO] [stdout]      |
[INFO] [stdout] 1100 | assert_eq!(x.as_deref_mut().map(|x| {
[INFO] [stdout]      |                                  ^
[INFO] [stdout] 1101 |     x.make_ascii_uppercase();
[INFO] [stdout]      |     - type must be known at this point
[INFO] [stdout]      |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]      |
[INFO] [stdout] 1100 | assert_eq!(x.as_deref_mut().map(|x: /* Type */| {
[INFO] [stdout]      |                                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 350) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 | assert!(Dubious < Certain(0));
[INFO] [stdout]     |         ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 350 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:351:19
[INFO] [stdout]     |
[INFO] [stdout] 351 | assert!(Dubious < Certain(0));
[INFO] [stdout]     |                   ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 350 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:352:28
[INFO] [stdout]     |
[INFO] [stdout] 352 | assert!(Self::Certain(0) < Certain(1));
[INFO] [stdout]     |                            ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 350 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]    --> src/lib.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 | assert!(Self::Certain(0) < Certain(1));
[INFO] [stdout]     |         ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::and_then (line 1166) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1167:33
[INFO] [stdout]      |
[INFO] [stdout] 1167 | fn sq_then_to_string(x: u32) -> Perhaps<String> {
[INFO] [stdout]      |                                 ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1166 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1171:58
[INFO] [stdout]      |
[INFO] [stdout] 1171 | assert_eq!(Self::Certain(2).and_then(sq_then_to_string), Certain(4.to_string()));
[INFO] [stdout]      |                                                          ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1166 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1172:12
[INFO] [stdout]      |
[INFO] [stdout] 1172 | assert_eq!(Certain(1_000_000).and_then(sq_then_to_string), Dubious); // overflowed!
[INFO] [stdout]      |            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1166 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1172:60
[INFO] [stdout]      |
[INFO] [stdout] 1172 | assert_eq!(Certain(1_000_000).and_then(sq_then_to_string), Dubious); // overflowed!
[INFO] [stdout]      |                                                            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1166 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1173:55
[INFO] [stdout]      |
[INFO] [stdout] 1173 | assert_eq!(Self::Dubious.and_then(sq_then_to_string), Dubious);
[INFO] [stdout]      |                                                       ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout]      |
[INFO] [stdout] 1166 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1171:12
[INFO] [stdout]      |
[INFO] [stdout] 1171 | assert_eq!(Self::Certain(2).and_then(sq_then_to_string), Certain(4.to_string()));
[INFO] [stdout]      |            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1173:12
[INFO] [stdout]      |
[INFO] [stdout] 1173 | assert_eq!(Self::Dubious.and_then(sq_then_to_string), Dubious);
[INFO] [stdout]      |            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::default (line 1685) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1686:10
[INFO] [stdout]      |
[INFO] [stdout] 1686 | let opt: Perhaps<u32> = Perhaps::default();
[INFO] [stdout]      |          ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1685 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Perhaps`
[INFO] [stdout]     --> src/lib.rs:1686:25
[INFO] [stdout]      |
[INFO] [stdout] 1686 | let opt: Perhaps<u32> = Perhaps::default();
[INFO] [stdout]      |                         ^^^^^^^ use of undeclared type `Perhaps`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1685 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::get_or_insert (line 1365) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1366:13
[INFO] [stdout]      |
[INFO] [stdout] 1366 | let mut x = Dubious;
[INFO] [stdout]      |             ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1365 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1375:15
[INFO] [stdout]      |
[INFO] [stdout] 1375 | assert_eq!(x, Certain(7));
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1365 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::as_ref (line 652) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:653:11
[INFO] [stdout]     |
[INFO] [stdout] 653 | let text: Perhaps<String> = Certain("Hello, world!".to_string());
[INFO] [stdout]     |           ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 652 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:653:29
[INFO] [stdout]     |
[INFO] [stdout] 653 | let text: Perhaps<String> = Certain("Hello, world!".to_string());
[INFO] [stdout]     |                             ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 652 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:656:18
[INFO] [stdout]     |
[INFO] [stdout] 656 | let text_length: Perhaps<usize> = text.as_ref().map(|s| s.len());
[INFO] [stdout]     |                  ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 652 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:656:54
[INFO] [stdout]     |
[INFO] [stdout] 656 | let text_length: Perhaps<usize> = text.as_ref().map(|s| s.len());
[INFO] [stdout]     |                                                      ^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 656 | let text_length: Perhaps<usize> = text.as_ref().map(|s: /* Type */| s.len());
[INFO] [stdout]     |                                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<(T,U)>::unzip (line 1497) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1498:9
[INFO] [stdout]      |
[INFO] [stdout] 1498 | let x = Certain((1, "hi"));
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1497 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1499:9
[INFO] [stdout]      |
[INFO] [stdout] 1499 | let y = Dubious::<(u8, u32)>;
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1497 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1501:42
[INFO] [stdout]      |
[INFO] [stdout] 1501 | assert_eq!(x.unzip(), (Self::Certain(1), Certain("hi")));
[INFO] [stdout]      |                                          ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1497 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1502:39
[INFO] [stdout]      |
[INFO] [stdout] 1502 | assert_eq!(y.unzip(), (Self::Dubious, Dubious));
[INFO] [stdout]      |                                       ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1497 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1501:24
[INFO] [stdout]      |
[INFO] [stdout] 1501 | assert_eq!(x.unzip(), (Self::Certain(1), Certain("hi")));
[INFO] [stdout]      |                        ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1502:24
[INFO] [stdout]      |
[INFO] [stdout] 1502 | assert_eq!(y.unzip(), (Self::Dubious, Dubious));
[INFO] [stdout]      |                        ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::expect (line 705) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:706:8
[INFO] [stdout]     |
[INFO] [stdout] 706 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 705 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:706:24
[INFO] [stdout]     |
[INFO] [stdout] 706 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |                        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 705 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::and (line 1134) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1135:9
[INFO] [stdout]      |
[INFO] [stdout] 1135 | let x = Certain(2);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1136:8
[INFO] [stdout]      |
[INFO] [stdout] 1136 | let y: Perhaps<&str> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1136:24
[INFO] [stdout]      |
[INFO] [stdout] 1136 | let y: Perhaps<&str> = Dubious;
[INFO] [stdout]      |                        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1137:22
[INFO] [stdout]      |
[INFO] [stdout] 1137 | assert_eq!(x.and(y), Dubious);
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1139:8
[INFO] [stdout]      |
[INFO] [stdout] 1139 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1139:23
[INFO] [stdout]      |
[INFO] [stdout] 1139 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |                       ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1140:9
[INFO] [stdout]      |
[INFO] [stdout] 1140 | let y = Certain("foo");
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1141:22
[INFO] [stdout]      |
[INFO] [stdout] 1141 | assert_eq!(x.and(y), Dubious);
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1143:9
[INFO] [stdout]      |
[INFO] [stdout] 1143 | let x = Certain(2);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1144:9
[INFO] [stdout]      |
[INFO] [stdout] 1144 | let y = Certain("foo");
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1145:22
[INFO] [stdout]      |
[INFO] [stdout] 1145 | assert_eq!(x.and(y), Certain("foo"));
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1147:8
[INFO] [stdout]      |
[INFO] [stdout] 1147 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1147:23
[INFO] [stdout]      |
[INFO] [stdout] 1147 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |                       ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1148:8
[INFO] [stdout]      |
[INFO] [stdout] 1148 | let y: Perhaps<&str> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1148:24
[INFO] [stdout]      |
[INFO] [stdout] 1148 | let y: Perhaps<&str> = Dubious;
[INFO] [stdout]      |                        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1149:22
[INFO] [stdout]      |
[INFO] [stdout] 1149 | assert_eq!(x.and(y), Dubious);
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1134 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<Perhaps<T>>::flatten (line 1777) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1778:8
[INFO] [stdout]      |
[INFO] [stdout] 1778 | let x: Perhaps<Perhaps<Perhaps<u32>>> = Self::Certain(Self::Certain(Certain(6)));
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1777 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1778:16
[INFO] [stdout]      |
[INFO] [stdout] 1778 | let x: Perhaps<Perhaps<Perhaps<u32>>> = Self::Certain(Self::Certain(Certain(6)));
[INFO] [stdout]      |                ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1777 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1778:24
[INFO] [stdout]      |
[INFO] [stdout] 1778 | let x: Perhaps<Perhaps<Perhaps<u32>>> = Self::Certain(Self::Certain(Certain(6)));
[INFO] [stdout]      |                        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1777 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1778:69
[INFO] [stdout]      |
[INFO] [stdout] 1778 | let x: Perhaps<Perhaps<Perhaps<u32>>> = Self::Certain(Self::Certain(Certain(6)));
[INFO] [stdout]      |                                                                     ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1777 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1779:26
[INFO] [stdout]      |
[INFO] [stdout] 1779 | assert_eq!(Self::Certain(Certain(6)), x.flatten());
[INFO] [stdout]      |                          ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1777 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1780:12
[INFO] [stdout]      |
[INFO] [stdout] 1780 | assert_eq!(Certain(6), x.flatten().flatten());
[INFO] [stdout]      |            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1777 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1778:41
[INFO] [stdout]      |
[INFO] [stdout] 1778 | let x: Perhaps<Perhaps<Perhaps<u32>>> = Self::Certain(Self::Certain(Certain(6)));
[INFO] [stdout]      |                                         ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1778:55
[INFO] [stdout]      |
[INFO] [stdout] 1778 | let x: Perhaps<Perhaps<Perhaps<u32>>> = Self::Certain(Self::Certain(Certain(6)));
[INFO] [stdout]      |                                                       ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1779:12
[INFO] [stdout]      |
[INFO] [stdout] 1779 | assert_eq!(Self::Certain(Certain(6)), x.flatten());
[INFO] [stdout]      |            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::as_deref (line 1073) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1074:8
[INFO] [stdout]      |
[INFO] [stdout] 1074 | let x: Perhaps<String> = Certain("hey".to_owned());
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1073 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1074:26
[INFO] [stdout]      |
[INFO] [stdout] 1074 | let x: Perhaps<String> = Certain("hey".to_owned());
[INFO] [stdout]      |                          ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1073 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1075:26
[INFO] [stdout]      |
[INFO] [stdout] 1075 | assert_eq!(x.as_deref(), Certain("hey"));
[INFO] [stdout]      |                          ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1073 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1077:8
[INFO] [stdout]      |
[INFO] [stdout] 1077 | let x: Perhaps<String> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1073 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1077:26
[INFO] [stdout]      |
[INFO] [stdout] 1077 | let x: Perhaps<String> = Dubious;
[INFO] [stdout]      |                          ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1073 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1078:26
[INFO] [stdout]      |
[INFO] [stdout] 1078 | assert_eq!(x.as_deref(), Dubious);
[INFO] [stdout]      |                          ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1073 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::insert (line 1338) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1339:15
[INFO] [stdout]      |
[INFO] [stdout] 1339 | let mut opt = Dubious;
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1338 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::get_or_insert_with (line 1393) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1394:13
[INFO] [stdout]      |
[INFO] [stdout] 1394 | let mut x = Dubious;
[INFO] [stdout]      |             ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1393 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1403:15
[INFO] [stdout]      |
[INFO] [stdout] 1403 | assert_eq!(x, Certain(7));
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1393 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::from (line 1700) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1701:8
[INFO] [stdout]      |
[INFO] [stdout] 1701 | let o: Perhaps<u8> = Perhaps::from(67);
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1700 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Perhaps`
[INFO] [stdout]     --> src/lib.rs:1701:22
[INFO] [stdout]      |
[INFO] [stdout] 1701 | let o: Perhaps<u8> = Perhaps::from(67);
[INFO] [stdout]      |                      ^^^^^^^ use of undeclared type `Perhaps`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1700 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1703:12
[INFO] [stdout]      |
[INFO] [stdout] 1703 | assert_eq!(Certain(67), o);
[INFO] [stdout]      |            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1700 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::is_certain (line 581) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:582:8
[INFO] [stdout]     |
[INFO] [stdout] 582 | let x: Perhaps<u32> = Certain(2);
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 581 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:582:23
[INFO] [stdout]     |
[INFO] [stdout] 582 | let x: Perhaps<u32> = Certain(2);
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 581 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:585:8
[INFO] [stdout]     |
[INFO] [stdout] 585 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 581 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:585:23
[INFO] [stdout]     |
[INFO] [stdout] 585 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 581 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::is_certain_and (line 598) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:599:8
[INFO] [stdout]     |
[INFO] [stdout] 599 | let x: Perhaps<u32> = Certain(2);
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 598 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:599:23
[INFO] [stdout]     |
[INFO] [stdout] 599 | let x: Perhaps<u32> = Certain(2);
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 598 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:602:8
[INFO] [stdout]     |
[INFO] [stdout] 602 | let x: Perhaps<u32> = Certain(0);
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 598 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:602:23
[INFO] [stdout]     |
[INFO] [stdout] 602 | let x: Perhaps<u32> = Certain(0);
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 598 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:605:8
[INFO] [stdout]     |
[INFO] [stdout] 605 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 598 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:605:23
[INFO] [stdout]     |
[INFO] [stdout] 605 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 598 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::ok_or_else (line 1048) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1049:9
[INFO] [stdout]      |
[INFO] [stdout] 1049 | let x = Certain("foo");
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1048 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1052:8
[INFO] [stdout]      |
[INFO] [stdout] 1052 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1048 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1052:24
[INFO] [stdout]      |
[INFO] [stdout] 1052 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]      |                        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1048 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::map (line 888) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:889:20
[INFO] [stdout]     |
[INFO] [stdout] 889 | let maybe_string = Certain(String::from("Hello, World!"));
[INFO] [stdout]     |                    ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 888 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:892:23
[INFO] [stdout]     |
[INFO] [stdout] 892 | assert_eq!(maybe_len, Certain(13));
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 888 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:894:8
[INFO] [stdout]     |
[INFO] [stdout] 894 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 888 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:894:24
[INFO] [stdout]     |
[INFO] [stdout] 894 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |                        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 888 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:895:32
[INFO] [stdout]     |
[INFO] [stdout] 895 | assert_eq!(x.map(|s| s.len()), Dubious);
[INFO] [stdout]     |                                ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 888 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:891:35
[INFO] [stdout]     |
[INFO] [stdout] 891 | let maybe_len = maybe_string.map(|s| s.len());
[INFO] [stdout]     |                                   ^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 891 | let maybe_len = maybe_string.map(|s: /* Type */| s.len());
[INFO] [stdout]     |                                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:895:19
[INFO] [stdout]     |
[INFO] [stdout] 895 | assert_eq!(x.map(|s| s.len()), Dubious);
[INFO] [stdout]     |                   ^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 895 | assert_eq!(x.map(|s: /* Type */| s.len()), Dubious);
[INFO] [stdout]     |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::map_or_else (line 970) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:973:9
[INFO] [stdout]     |
[INFO] [stdout] 973 | let x = Certain("foo");
[INFO] [stdout]     |         ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 970 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:976:8
[INFO] [stdout]     |
[INFO] [stdout] 976 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 970 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:976:24
[INFO] [stdout]     |
[INFO] [stdout] 976 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |                        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 970 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:974:37
[INFO] [stdout]     |
[INFO] [stdout] 974 | assert_eq!(x.map_or_else(|| 2 * k, |v| v.len()), 3);
[INFO] [stdout]     |                                     ^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 974 | assert_eq!(x.map_or_else(|| 2 * k, |v: /* Type */| v.len()), 3);
[INFO] [stdout]     |                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:977:37
[INFO] [stdout]     |
[INFO] [stdout] 977 | assert_eq!(x.map_or_else(|| 2 * k, |v| v.len()), 42);
[INFO] [stdout]     |                                     ^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 977 | assert_eq!(x.map_or_else(|| 2 * k, |v: /* Type */| v.len()), 42);
[INFO] [stdout]     |                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<&'aT>::from (line 1723) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1724:8
[INFO] [stdout]      |
[INFO] [stdout] 1724 | let s: Perhaps<String> = Certain(String::from("Hello, Rustaceans!"));
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1723 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1724:26
[INFO] [stdout]      |
[INFO] [stdout] 1724 | let s: Perhaps<String> = Certain(String::from("Hello, Rustaceans!"));
[INFO] [stdout]      |                          ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1723 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1725:8
[INFO] [stdout]      |
[INFO] [stdout] 1725 | let o: Perhaps<usize> = Perhaps::from(&s).map(|ss: &String| ss.len());
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1723 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Perhaps`
[INFO] [stdout]     --> src/lib.rs:1725:25
[INFO] [stdout]      |
[INFO] [stdout] 1725 | let o: Perhaps<usize> = Perhaps::from(&s).map(|ss: &String| ss.len());
[INFO] [stdout]      |                         ^^^^^^^ use of undeclared type `Perhaps`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1723 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1729:15
[INFO] [stdout]      |
[INFO] [stdout] 1729 | assert_eq!(o, Certain(18));
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1723 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::filter (line 1212) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1217:43
[INFO] [stdout]      |
[INFO] [stdout] 1217 | assert_eq!(Self::Dubious.filter(is_even), Dubious);
[INFO] [stdout]      |                                           ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1212 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1218:12
[INFO] [stdout]      |
[INFO] [stdout] 1218 | assert_eq!(Certain(3).filter(is_even), Dubious);
[INFO] [stdout]      |            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1212 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1218:40
[INFO] [stdout]      |
[INFO] [stdout] 1218 | assert_eq!(Certain(3).filter(is_even), Dubious);
[INFO] [stdout]      |                                        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1212 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1219:46
[INFO] [stdout]      |
[INFO] [stdout] 1219 | assert_eq!(Self::Certain(4).filter(is_even), Certain(4));
[INFO] [stdout]      |                                              ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1212 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1217:12
[INFO] [stdout]      |
[INFO] [stdout] 1217 | assert_eq!(Self::Dubious.filter(is_even), Dubious);
[INFO] [stdout]      |            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1219:12
[INFO] [stdout]      |
[INFO] [stdout] 1219 | assert_eq!(Self::Certain(4).filter(is_even), Certain(4));
[INFO] [stdout]      |            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::unwrap (line 760) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:761:8
[INFO] [stdout]     |
[INFO] [stdout] 761 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 760 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:761:24
[INFO] [stdout]     |
[INFO] [stdout] 761 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |                        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 760 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::map_or (line 946) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:947:9
[INFO] [stdout]     |
[INFO] [stdout] 947 | let x = Certain("foo");
[INFO] [stdout]     |         ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 946 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:950:8
[INFO] [stdout]     |
[INFO] [stdout] 950 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 946 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:950:24
[INFO] [stdout]     |
[INFO] [stdout] 950 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |                        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 946 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:948:26
[INFO] [stdout]     |
[INFO] [stdout] 948 | assert_eq!(x.map_or(42, |v| v.len()), 3);
[INFO] [stdout]     |                          ^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 948 | assert_eq!(x.map_or(42, |v: /* Type */| v.len()), 3);
[INFO] [stdout]     |                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:951:26
[INFO] [stdout]     |
[INFO] [stdout] 951 | assert_eq!(x.map_or(42, |v| v.len()), 42);
[INFO] [stdout]     |                          ^  - type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 951 | assert_eq!(x.map_or(42, |v: /* Type */| v.len()), 42);
[INFO] [stdout]     |                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::or_else (line 1276) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1277:16
[INFO] [stdout]      |
[INFO] [stdout] 1277 | fn nobody() -> Perhaps<&'static str> { Dubious }
[INFO] [stdout]      |                ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1276 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1277:40
[INFO] [stdout]      |
[INFO] [stdout] 1277 | fn nobody() -> Perhaps<&'static str> { Dubious }
[INFO] [stdout]      |                                        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1276 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1278:17
[INFO] [stdout]      |
[INFO] [stdout] 1278 | fn vikings() -> Perhaps<&'static str> { Certain("vikings") }
[INFO] [stdout]      |                 ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1276 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1278:41
[INFO] [stdout]      |
[INFO] [stdout] 1278 | fn vikings() -> Perhaps<&'static str> { Certain("vikings") }
[INFO] [stdout]      |                                         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1276 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1280:58
[INFO] [stdout]      |
[INFO] [stdout] 1280 | assert_eq!(Self::Certain("barbarians").or_else(vikings), Certain("barbarians"));
[INFO] [stdout]      |                                                          ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1276 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1281:12
[INFO] [stdout]      |
[INFO] [stdout] 1281 | assert_eq!(Dubious.or_else(vikings), Certain("vikings"));
[INFO] [stdout]      |            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1276 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1281:38
[INFO] [stdout]      |
[INFO] [stdout] 1281 | assert_eq!(Dubious.or_else(vikings), Certain("vikings"));
[INFO] [stdout]      |                                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1276 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1282:43
[INFO] [stdout]      |
[INFO] [stdout] 1282 | assert_eq!(Self::Dubious.or_else(nobody), Dubious);
[INFO] [stdout]      |                                           ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1276 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1280:12
[INFO] [stdout]      |
[INFO] [stdout] 1280 | assert_eq!(Self::Certain("barbarians").or_else(vikings), Certain("barbarians"));
[INFO] [stdout]      |            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: `Self` is only available in impls, traits, and type definitions
[INFO] [stdout]     --> src/lib.rs:1282:12
[INFO] [stdout]      |
[INFO] [stdout] 1282 | assert_eq!(Self::Dubious.or_else(nobody), Dubious);
[INFO] [stdout]      |            ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::unwrap_or (line 783) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:784:12
[INFO] [stdout]     |
[INFO] [stdout] 784 | assert_eq!(Certain("car").unwrap_or("bike"), "car");
[INFO] [stdout]     |            ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 783 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:785:12
[INFO] [stdout]     |
[INFO] [stdout] 785 | assert_eq!(Dubious.unwrap_or("bike"), "bike");
[INFO] [stdout]     |            ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 783 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::ok_or (line 1024) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1025:9
[INFO] [stdout]      |
[INFO] [stdout] 1025 | let x = Certain("foo");
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1024 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1028:8
[INFO] [stdout]      |
[INFO] [stdout] 1028 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1024 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1028:24
[INFO] [stdout]      |
[INFO] [stdout] 1028 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]      |                        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1024 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::unwrap (line 755) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:756:9
[INFO] [stdout]     |
[INFO] [stdout] 756 | let x = Certain("air");
[INFO] [stdout]     |         ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 755 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::replace (line 1450) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1451:13
[INFO] [stdout]      |
[INFO] [stdout] 1451 | let mut x = Certain(2);
[INFO] [stdout]      |             ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1450 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1453:15
[INFO] [stdout]      |
[INFO] [stdout] 1453 | assert_eq!(x, Certain(5));
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1450 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1454:17
[INFO] [stdout]      |
[INFO] [stdout] 1454 | assert_eq!(old, Certain(2));
[INFO] [stdout]      |                 ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1450 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1456:13
[INFO] [stdout]      |
[INFO] [stdout] 1456 | let mut x = Dubious;
[INFO] [stdout]      |             ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1450 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1458:15
[INFO] [stdout]      |
[INFO] [stdout] 1458 | assert_eq!(x, Certain(3));
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1450 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1459:17
[INFO] [stdout]      |
[INFO] [stdout] 1459 | assert_eq!(old, Dubious);
[INFO] [stdout]      |                 ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1450 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::expect (line 700) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:701:9
[INFO] [stdout]     |
[INFO] [stdout] 701 | let x = Certain("value");
[INFO] [stdout]     |         ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 700 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::take (line 1427) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1428:13
[INFO] [stdout]      |
[INFO] [stdout] 1428 | let mut x = Certain(2);
[INFO] [stdout]      |             ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1427 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1430:15
[INFO] [stdout]      |
[INFO] [stdout] 1430 | assert_eq!(x, Dubious);
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1427 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1431:15
[INFO] [stdout]      |
[INFO] [stdout] 1431 | assert_eq!(y, Certain(2));
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1427 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1433:12
[INFO] [stdout]      |
[INFO] [stdout] 1433 | let mut x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |            ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1427 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1433:27
[INFO] [stdout]      |
[INFO] [stdout] 1433 | let mut x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |                           ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1427 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1435:15
[INFO] [stdout]      |
[INFO] [stdout] 1435 | assert_eq!(x, Dubious);
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1427 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1436:15
[INFO] [stdout]      |
[INFO] [stdout] 1436 | assert_eq!(y, Dubious);
[INFO] [stdout]      |               ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1427 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::unwrap_or_default (line 824) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:825:8
[INFO] [stdout]     |
[INFO] [stdout] 825 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 824 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:825:23
[INFO] [stdout]     |
[INFO] [stdout] 825 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 824 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:826:8
[INFO] [stdout]     |
[INFO] [stdout] 826 | let y: Perhaps<u32> = Certain(12);
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 824 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:826:23
[INFO] [stdout]     |
[INFO] [stdout] 826 | let y: Perhaps<u32> = Certain(12);
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 824 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::unwrap_or_else (line 799) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:801:12
[INFO] [stdout]     |
[INFO] [stdout] 801 | assert_eq!(Certain(4).unwrap_or_else(|| 2 * k), 4);
[INFO] [stdout]     |            ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 799 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:802:12
[INFO] [stdout]     |
[INFO] [stdout] 802 | assert_eq!(Dubious.unwrap_or_else(|| 2 * k), 20);
[INFO] [stdout]     |            ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 799 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::unwrap_unchecked (line 862) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:863:8
[INFO] [stdout]     |
[INFO] [stdout] 863 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 862 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:863:24
[INFO] [stdout]     |
[INFO] [stdout] 863 | let x: Perhaps<&str> = Dubious;
[INFO] [stdout]     |                        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 862 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::unwrap_unchecked (line 857) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:858:9
[INFO] [stdout]     |
[INFO] [stdout] 858 | let x = Certain("air");
[INFO] [stdout]     |         ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 857 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::or (line 1246) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1247:9
[INFO] [stdout]      |
[INFO] [stdout] 1247 | let x = Certain(2);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1248:9
[INFO] [stdout]      |
[INFO] [stdout] 1248 | let y = Dubious;
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1249:21
[INFO] [stdout]      |
[INFO] [stdout] 1249 | assert_eq!(x.or(y), Certain(2));
[INFO] [stdout]      |                     ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1251:9
[INFO] [stdout]      |
[INFO] [stdout] 1251 | let x = Dubious;
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1252:9
[INFO] [stdout]      |
[INFO] [stdout] 1252 | let y = Certain(100);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1253:21
[INFO] [stdout]      |
[INFO] [stdout] 1253 | assert_eq!(x.or(y), Certain(100));
[INFO] [stdout]      |                     ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1255:9
[INFO] [stdout]      |
[INFO] [stdout] 1255 | let x = Certain(2);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1256:9
[INFO] [stdout]      |
[INFO] [stdout] 1256 | let y = Certain(100);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1257:21
[INFO] [stdout]      |
[INFO] [stdout] 1257 | assert_eq!(x.or(y), Certain(2));
[INFO] [stdout]      |                     ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1259:8
[INFO] [stdout]      |
[INFO] [stdout] 1259 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1259:23
[INFO] [stdout]      |
[INFO] [stdout] 1259 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |                       ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1260:9
[INFO] [stdout]      |
[INFO] [stdout] 1260 | let y = Dubious;
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1261:21
[INFO] [stdout]      |
[INFO] [stdout] 1261 | assert_eq!(x.or(y), Dubious);
[INFO] [stdout]      |                     ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1246 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::zip (line 1473) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1474:9
[INFO] [stdout]      |
[INFO] [stdout] 1474 | let x = Certain(1);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1473 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1475:9
[INFO] [stdout]      |
[INFO] [stdout] 1475 | let y = Certain("hi");
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1473 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1476:9
[INFO] [stdout]      |
[INFO] [stdout] 1476 | let z = Dubious::<u8>;
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1473 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1478:22
[INFO] [stdout]      |
[INFO] [stdout] 1478 | assert_eq!(x.zip(y), Certain((1, "hi")));
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1473 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1479:22
[INFO] [stdout]      |
[INFO] [stdout] 1479 | assert_eq!(x.zip(z), Dubious);
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1473 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::xor (line 1299) stdout ----
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1300:9
[INFO] [stdout]      |
[INFO] [stdout] 1300 | let x = Certain(2);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1301:8
[INFO] [stdout]      |
[INFO] [stdout] 1301 | let y: Perhaps<u32> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1301:23
[INFO] [stdout]      |
[INFO] [stdout] 1301 | let y: Perhaps<u32> = Dubious;
[INFO] [stdout]      |                       ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1302:22
[INFO] [stdout]      |
[INFO] [stdout] 1302 | assert_eq!(x.xor(y), Certain(2));
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1304:8
[INFO] [stdout]      |
[INFO] [stdout] 1304 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1304:23
[INFO] [stdout]      |
[INFO] [stdout] 1304 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |                       ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1305:9
[INFO] [stdout]      |
[INFO] [stdout] 1305 | let y = Certain(2);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1306:22
[INFO] [stdout]      |
[INFO] [stdout] 1306 | assert_eq!(x.xor(y), Certain(2));
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1308:9
[INFO] [stdout]      |
[INFO] [stdout] 1308 | let x = Certain(2);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]     --> src/lib.rs:1309:9
[INFO] [stdout]      |
[INFO] [stdout] 1309 | let y = Certain(2);
[INFO] [stdout]      |         ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Certain;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1310:22
[INFO] [stdout]      |
[INFO] [stdout] 1310 | assert_eq!(x.xor(y), Dubious);
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1312:8
[INFO] [stdout]      |
[INFO] [stdout] 1312 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1312:23
[INFO] [stdout]      |
[INFO] [stdout] 1312 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]      |                       ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]     --> src/lib.rs:1313:8
[INFO] [stdout]      |
[INFO] [stdout] 1313 | let y: Perhaps<u32> = Dubious;
[INFO] [stdout]      |        ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1313:23
[INFO] [stdout]      |
[INFO] [stdout] 1313 | let y: Perhaps<u32> = Dubious;
[INFO] [stdout]      |                       ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]     --> src/lib.rs:1314:22
[INFO] [stdout]      |
[INFO] [stdout] 1314 | assert_eq!(x.xor(y), Dubious);
[INFO] [stdout]      |                      ^^^^^^^ not found in this scope
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]      |
[INFO] [stdout] 1299 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Perhaps<T>::is_dubious (line 621) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:622:8
[INFO] [stdout]     |
[INFO] [stdout] 622 | let x: Perhaps<u32> = Certain(2);
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 621 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Certain` in this scope
[INFO] [stdout]    --> src/lib.rs:622:23
[INFO] [stdout]     |
[INFO] [stdout] 622 | let x: Perhaps<u32> = Certain(2);
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this tuple variant
[INFO] [stdout]     |
[INFO] [stdout] 621 + use perhaps::Perhaps::Certain;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Perhaps` in this scope
[INFO] [stdout]    --> src/lib.rs:625:8
[INFO] [stdout]     |
[INFO] [stdout] 625 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]     |        ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 621 + use perhaps::Perhaps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `Dubious` in this scope
[INFO] [stdout]    --> src/lib.rs:625:23
[INFO] [stdout]     |
[INFO] [stdout] 625 | let x: Perhaps<u32> = Dubious;
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this unit variant
[INFO] [stdout]     |
[INFO] [stdout] 621 + use perhaps::Perhaps::Dubious;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 22)
[INFO] [stdout]     src/lib.rs - (line 318)
[INFO] [stdout]     src/lib.rs - (line 350)
[INFO] [stdout]     src/lib.rs - (line 387)
[INFO] [stdout]     src/lib.rs - (line 401)
[INFO] [stdout]     src/lib.rs - (line 442)
[INFO] [stdout]     src/lib.rs - (line 459)
[INFO] [stdout]     src/lib.rs - (line 503)
[INFO] [stdout]     src/lib.rs - (line 517)
[INFO] [stdout]     src/lib.rs - (line 57)
[INFO] [stdout]     src/lib.rs - (line 81)
[INFO] [stdout]     src/lib.rs - (line 97)
[INFO] [stdout]     src/lib.rs - Perhaps<&'_T>::cloned (line 1544)
[INFO] [stdout]     src/lib.rs - Perhaps<&'_T>::copied (line 1519)
[INFO] [stdout]     src/lib.rs - Perhaps<&'_mutT>::cloned (line 1592)
[INFO] [stdout]     src/lib.rs - Perhaps<&'_mutT>::copied (line 1569)
[INFO] [stdout]     src/lib.rs - Perhaps<&'aT>::from (line 1723)
[INFO] [stdout]     src/lib.rs - Perhaps<&'amutT>::from (line 1741)
[INFO] [stdout]     src/lib.rs - Perhaps<(T,U)>::unzip (line 1497)
[INFO] [stdout]     src/lib.rs - Perhaps<Perhaps<T>>::flatten (line 1764)
[INFO] [stdout]     src/lib.rs - Perhaps<Perhaps<T>>::flatten (line 1777)
[INFO] [stdout]     src/lib.rs - Perhaps<Result<T,E>>::transpose (line 1620)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::and (line 1134)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::and_then (line 1166)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::and_then (line 1178)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::as_deref (line 1073)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::as_deref_mut (line 1098)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::as_mut (line 671)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::as_ref (line 652)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::default (line 1685)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::expect (line 700)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::expect (line 705)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::filter (line 1212)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::from (line 1700)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::get_or_insert (line 1365)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::get_or_insert_with (line 1393)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::insert (line 1338)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::is_certain (line 581)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::is_certain_and (line 598)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::is_dubious (line 621)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::map (line 888)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::map_or (line 946)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::map_or_else (line 970)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::ok_or (line 1024)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::ok_or_else (line 1048)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::or (line 1246)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::or_else (line 1276)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::replace (line 1450)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::take (line 1427)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::unwrap (line 755)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::unwrap (line 760)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::unwrap_or (line 783)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::unwrap_or_default (line 824)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::unwrap_or_else (line 799)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::unwrap_unchecked (line 857)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::unwrap_unchecked (line 862)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::xor (line 1299)
[INFO] [stdout]     src/lib.rs - Perhaps<T>::zip (line 1473)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 58 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80ee9cf7088193d488d749afb2b9e6605a05cf26fe318a7ecf3ea2499a601dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ee9cf7088193d488d749afb2b9e6605a05cf26fe318a7ecf3ea2499a601dcb", kill_on_drop: false }`
[INFO] [stdout] 80ee9cf7088193d488d749afb2b9e6605a05cf26fe318a7ecf3ea2499a601dcb
