[INFO] fetching crate fallible-option 0.1.3...
[INFO] checking fallible-option-0.1.3 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate fallible-option 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fallible-option 0.1.3 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fallible-option 0.1.3
[INFO] finished tweaking crates.io crate fallible-option 0.1.3
[INFO] tweaked toml for crates.io crate fallible-option 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3279e0206f73ddbd9f61e0c93aedf52c75a35727fd7bc5ba9b0a9a7378b9e02
[INFO] running `Command { std: "docker" "start" "-a" "e3279e0206f73ddbd9f61e0c93aedf52c75a35727fd7bc5ba9b0a9a7378b9e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3279e0206f73ddbd9f61e0c93aedf52c75a35727fd7bc5ba9b0a9a7378b9e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3279e0206f73ddbd9f61e0c93aedf52c75a35727fd7bc5ba9b0a9a7378b9e02", kill_on_drop: false }`
[INFO] [stdout] e3279e0206f73ddbd9f61e0c93aedf52c75a35727fd7bc5ba9b0a9a7378b9e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38ce3667581158d6d3018f02a52a8639bfde01783a348b571cde0574dff6678d
[INFO] running `Command { std: "docker" "start" "-a" "38ce3667581158d6d3018f02a52a8639bfde01783a348b571cde0574dff6678d", kill_on_drop: false }`
[INFO] [stderr]     Checking fallible-option v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: `~const` is not allowed here
[INFO] [stdout]    --> src/lib.rs:451:8
[INFO] [stdout]     |
[INFO] [stdout] 451 |     E: ~const Clone,
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: inherent impls cannot have `~const` trait bounds
[INFO] [stdout]    --> src/lib.rs:449:1
[INFO] [stdout]     |
[INFO] [stdout] 449 | / impl<E> Fallible<&E>
[INFO] [stdout] 450 | | where
[INFO] [stdout] 451 | |     E: ~const Clone,
[INFO] [stdout] 452 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 476 | |     }
[INFO] [stdout] 477 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` is not allowed here
[INFO] [stdout]    --> src/lib.rs:481:8
[INFO] [stdout]     |
[INFO] [stdout] 481 |     E: ~const Clone,
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: inherent impls cannot have `~const` trait bounds
[INFO] [stdout]    --> src/lib.rs:479:1
[INFO] [stdout]     |
[INFO] [stdout] 479 | / impl<E> Fallible<&mut E>
[INFO] [stdout] 480 | | where
[INFO] [stdout] 481 | |     E: ~const Clone,
[INFO] [stdout] 482 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 506 | |     }
[INFO] [stdout] 507 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]    --> src/lib.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     private_in_public,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` is not allowed here
[INFO] [stdout]    --> src/lib.rs:451:8
[INFO] [stdout]     |
[INFO] [stdout] 451 |     E: ~const Clone,
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: inherent impls cannot have `~const` trait bounds
[INFO] [stdout]    --> src/lib.rs:449:1
[INFO] [stdout]     |
[INFO] [stdout] 449 | / impl<E> Fallible<&E>
[INFO] [stdout] 450 | | where
[INFO] [stdout] 451 | |     E: ~const Clone,
[INFO] [stdout] 452 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 476 | |     }
[INFO] [stdout] 477 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` is not allowed here
[INFO] [stdout]    --> src/lib.rs:481:8
[INFO] [stdout]     |
[INFO] [stdout] 481 |     E: ~const Clone,
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: inherent impls cannot have `~const` trait bounds
[INFO] [stdout]    --> src/lib.rs:479:1
[INFO] [stdout]     |
[INFO] [stdout] 479 | / impl<E> Fallible<&mut E>
[INFO] [stdout] 480 | | where
[INFO] [stdout] 481 | |     E: ~const Clone,
[INFO] [stdout] 482 | | {
[INFO] [stdout] ...   |
[INFO] [stdout] 506 | |     }
[INFO] [stdout] 507 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 | #![feature(const_mut_refs)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]    --> src/lib.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     private_in_public,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `Clone` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:597:15
[INFO] [stdout]     |
[INFO] [stdout] 597 | impl<E> const Clone for Fallible<E>
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:599:15
[INFO] [stdout]     |
[INFO] [stdout] 599 |     E: ~const Clone + ~const Destruct,
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:599:30
[INFO] [stdout]     |
[INFO] [stdout] 599 |     E: ~const Clone + ~const Destruct,
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 | #![feature(const_mut_refs)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:451:15
[INFO] [stdout]     |
[INFO] [stdout] 451 |     E: ~const Clone,
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:481:15
[INFO] [stdout]     |
[INFO] [stdout] 481 |     E: ~const Clone,
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `From` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:555:15
[INFO] [stdout]     |
[INFO] [stdout] 555 | impl<E> const From<E> for Fallible<E> {
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `From` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:562:18
[INFO] [stdout]     |
[INFO] [stdout] 562 | impl<T, E> const From<Result<T, E>> for Fallible<E>
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:564:15
[INFO] [stdout]     |
[INFO] [stdout] 564 |     E: ~const Destruct,
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:565:15
[INFO] [stdout]     |
[INFO] [stdout] 565 |     T: ~const Destruct,
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `From` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:576:19
[INFO] [stdout]     |
[INFO] [stdout] 576 | impl<'a, E> const From<&'a Fallible<E>> for Fallible<&'a E> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `From` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:583:19
[INFO] [stdout]     |
[INFO] [stdout] 583 | impl<'a, E> const From<&'a mut Fallible<E>> for Fallible<&'a mut E> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `Default` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:590:15
[INFO] [stdout]     |
[INFO] [stdout] 590 | impl<E> const Default for Fallible<E> {
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 211 |         E: ~const Deref,
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |         E: ~const DerefMut,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:339:37
[INFO] [stdout]     |
[INFO] [stdout] 339 |     pub const fn contains<U: ~const PartialEq<E>>(&self, x: &U) -> bool {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:359:19
[INFO] [stdout]     |
[INFO] [stdout] 359 |         F: ~const FnOnce(E) -> U,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:360:19
[INFO] [stdout]     |
[INFO] [stdout] 360 |         F: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:361:19
[INFO] [stdout]     |
[INFO] [stdout] 361 |         E: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:380:19
[INFO] [stdout]     |
[INFO] [stdout] 380 |         E: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:416:19
[INFO] [stdout]     |
[INFO] [stdout] 416 |         E: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:417:19
[INFO] [stdout]     |
[INFO] [stdout] 417 |         T: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:440:19
[INFO] [stdout]     |
[INFO] [stdout] 440 |         E: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:546:19
[INFO] [stdout]     |
[INFO] [stdout] 546 |         E: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `Clone` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:597:15
[INFO] [stdout]     |
[INFO] [stdout] 597 | impl<E> const Clone for Fallible<E>
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:599:15
[INFO] [stdout]     |
[INFO] [stdout] 599 |     E: ~const Clone + ~const Destruct,
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:599:30
[INFO] [stdout]     |
[INFO] [stdout] 599 |     E: ~const Clone + ~const Destruct,
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:451:15
[INFO] [stdout]     |
[INFO] [stdout] 451 |     E: ~const Clone,
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:481:15
[INFO] [stdout]     |
[INFO] [stdout] 481 |     E: ~const Clone,
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `From` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:555:15
[INFO] [stdout]     |
[INFO] [stdout] 555 | impl<E> const From<E> for Fallible<E> {
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `From` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:562:18
[INFO] [stdout]     |
[INFO] [stdout] 562 | impl<T, E> const From<Result<T, E>> for Fallible<E>
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:564:15
[INFO] [stdout]     |
[INFO] [stdout] 564 |     E: ~const Destruct,
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:565:15
[INFO] [stdout]     |
[INFO] [stdout] 565 |     T: ~const Destruct,
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `From` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:576:19
[INFO] [stdout]     |
[INFO] [stdout] 576 | impl<'a, E> const From<&'a Fallible<E>> for Fallible<&'a E> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `From` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:583:19
[INFO] [stdout]     |
[INFO] [stdout] 583 | impl<'a, E> const From<&'a mut Fallible<E>> for Fallible<&'a mut E> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: const `impl` for trait `Default` which is not marked with `#[const_trait]`
[INFO] [stdout]    --> src/lib.rs:590:15
[INFO] [stdout]     |
[INFO] [stdout] 590 | impl<E> const Default for Fallible<E> {
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
[INFO] [stdout]     = note: adding a non-const method body in the future would be a breaking change
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 211 |         E: ~const Deref,
[INFO] [stdout]     |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:239:19
[INFO] [stdout]     |
[INFO] [stdout] 239 |         E: ~const DerefMut,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:339:37
[INFO] [stdout]     |
[INFO] [stdout] 339 |     pub const fn contains<U: ~const PartialEq<E>>(&self, x: &U) -> bool {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:359:19
[INFO] [stdout]     |
[INFO] [stdout] 359 |         F: ~const FnOnce(E) -> U,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:360:19
[INFO] [stdout]     |
[INFO] [stdout] 360 |         F: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:361:19
[INFO] [stdout]     |
[INFO] [stdout] 361 |         E: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:380:19
[INFO] [stdout]     |
[INFO] [stdout] 380 |         E: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:416:19
[INFO] [stdout]     |
[INFO] [stdout] 416 |         E: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:417:19
[INFO] [stdout]     |
[INFO] [stdout] 417 |         T: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:440:19
[INFO] [stdout]     |
[INFO] [stdout] 440 |         E: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `~const` can only be applied to `#[const_trait]` traits
[INFO] [stdout]    --> src/lib.rs:546:19
[INFO] [stdout]     |
[INFO] [stdout] 546 |         E: ~const Destruct,
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as Deref>::deref` in constant functions
[INFO] [stdout]    --> src/lib.rs:215:31
[INFO] [stdout]     |
[INFO] [stdout] 215 |             Fail(e) => Fail(e.deref()),
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as DerefMut>::deref_mut` in constant functions
[INFO] [stdout]    --> src/lib.rs:243:31
[INFO] [stdout]     |
[INFO] [stdout] 243 |             Fail(e) => Fail(e.deref_mut()),
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<U as PartialEq<E>>::eq` in constant functions
[INFO] [stdout]    --> src/lib.rs:342:26
[INFO] [stdout]     |
[INFO] [stdout] 342 |             Fail(e) => x.eq(e),
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const closure in constant functions
[INFO] [stdout]    --> src/lib.rs:365:29
[INFO] [stdout]     |
[INFO] [stdout] 365 |             Fail(e) => Fail(op(e)),
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 359 |         F: ~const FnOnce(E) -> U + ~const FnOnce(E),
[INFO] [stdout]     |                                  ++++++++++++++++++
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `F` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:357:34
[INFO] [stdout]     |
[INFO] [stdout] 357 |     pub const fn map<F, U>(self, op: F) -> Fallible<U>
[INFO] [stdout]     |                                  ^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 367 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:357:28
[INFO] [stdout]     |
[INFO] [stdout] 357 |     pub const fn map<F, U>(self, op: F) -> Fallible<U>
[INFO] [stdout]     |                            ^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 367 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub const fn result(self) -> Result<(), E>
[INFO] [stdout]     |                         ^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 386 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `T` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:414:34
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub const fn err_or<T>(self, value: T) -> Result<T, E>
[INFO] [stdout]     |                                  ^^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 423 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:414:28
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub const fn err_or<T>(self, value: T) -> Result<T, E>
[INFO] [stdout]     |                            ^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 423 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |         match mem::replace(self, Success) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 446 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as Clone>::clone` in constant functions
[INFO] [stdout]    --> src/lib.rs:460:31
[INFO] [stdout]     |
[INFO] [stdout] 460 |             Fail(e) => Fail(e.clone()),
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as Clone>::clone` in constant functions
[INFO] [stdout]    --> src/lib.rs:490:31
[INFO] [stdout]     |
[INFO] [stdout] 490 |             Fail(e) => Fail(e.clone()),
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<Fallible<E>>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:544:26
[INFO] [stdout]     |
[INFO] [stdout] 544 |     pub const fn flatten(self) -> Fallible<E>
[INFO] [stdout]     |                          ^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 552 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Result<T, E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:568:13
[INFO] [stdout]     |
[INFO] [stdout] 568 |     fn from(value: Result<T, E>) -> Self {
[INFO] [stdout]     |             ^^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 573 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as Clone>::clone` in constant functions
[INFO] [stdout]    --> src/lib.rs:604:31
[INFO] [stdout]     |
[INFO] [stdout] 604 |             Fail(x) => Fail(x.clone()),
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<Fallible<E> as Clone>::clone` in constant functions
[INFO] [stdout]    --> src/lib.rs:613:38
[INFO] [stdout]     |
[INFO] [stdout] 613 |             (to, from) => *to = from.clone(),
[INFO] [stdout]     |                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as Clone>::clone_from` in constant functions
[INFO] [stdout]    --> src/lib.rs:612:42
[INFO] [stdout]     |
[INFO] [stdout] 612 |             (Fail(to), Fail(from)) => to.clone_from(from),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:613:27
[INFO] [stdout]     |
[INFO] [stdout] 613 |             (to, from) => *to = from.clone(),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout]     |                           value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as Deref>::deref` in constant functions
[INFO] [stdout]    --> src/lib.rs:215:31
[INFO] [stdout]     |
[INFO] [stdout] 215 |             Fail(e) => Fail(e.deref()),
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as DerefMut>::deref_mut` in constant functions
[INFO] [stdout]    --> src/lib.rs:243:31
[INFO] [stdout]     |
[INFO] [stdout] 243 |             Fail(e) => Fail(e.deref_mut()),
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 43 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0015, E0493.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<U as PartialEq<E>>::eq` in constant functions
[INFO] [stdout]    --> src/lib.rs:342:26
[INFO] [stdout]     |
[INFO] [stdout] 342 |             Fail(e) => x.eq(e),
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const closure in constant functions
[INFO] [stdout]    --> src/lib.rs:365:29
[INFO] [stdout]     |
[INFO] [stdout] 365 |             Fail(e) => Fail(op(e)),
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 359 |         F: ~const FnOnce(E) -> U + ~const FnOnce(E),
[INFO] [stdout]     |                                  ++++++++++++++++++
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `F` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:357:34
[INFO] [stdout]     |
[INFO] [stdout] 357 |     pub const fn map<F, U>(self, op: F) -> Fallible<U>
[INFO] [stdout]     |                                  ^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 367 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:357:28
[INFO] [stdout]     |
[INFO] [stdout] 357 |     pub const fn map<F, U>(self, op: F) -> Fallible<U>
[INFO] [stdout]     |                            ^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 367 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |     pub const fn result(self) -> Result<(), E>
[INFO] [stdout]     |                         ^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 386 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `T` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:414:34
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub const fn err_or<T>(self, value: T) -> Result<T, E>
[INFO] [stdout]     |                                  ^^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 423 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:414:28
[INFO] [stdout]     |
[INFO] [stdout] 414 |     pub const fn err_or<T>(self, value: T) -> Result<T, E>
[INFO] [stdout]     |                            ^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 423 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:442:15
[INFO] [stdout]     |
[INFO] [stdout] 442 |         match mem::replace(self, Success) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 446 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as Clone>::clone` in constant functions
[INFO] [stdout]    --> src/lib.rs:460:31
[INFO] [stdout]     |
[INFO] [stdout] 460 |             Fail(e) => Fail(e.clone()),
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as Clone>::clone` in constant functions
[INFO] [stdout]    --> src/lib.rs:490:31
[INFO] [stdout]     |
[INFO] [stdout] 490 |             Fail(e) => Fail(e.clone()),
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<Fallible<E>>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:544:26
[INFO] [stdout]     |
[INFO] [stdout] 544 |     pub const fn flatten(self) -> Fallible<E>
[INFO] [stdout]     |                          ^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 552 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Result<T, E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:568:13
[INFO] [stdout]     |
[INFO] [stdout] 568 |     fn from(value: Result<T, E>) -> Self {
[INFO] [stdout]     |             ^^^^^ the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout] ...
[INFO] [stdout] 573 |     }
[INFO] [stdout]     |     - value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as Clone>::clone` in constant functions
[INFO] [stdout]    --> src/lib.rs:604:31
[INFO] [stdout]     |
[INFO] [stdout] 604 |             Fail(x) => Fail(x.clone()),
[INFO] [stdout]     |                               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<Fallible<E> as Clone>::clone` in constant functions
[INFO] [stdout]    --> src/lib.rs:613:38
[INFO] [stdout]     |
[INFO] [stdout] 613 |             (to, from) => *to = from.clone(),
[INFO] [stdout]     |                                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0015]: cannot call non-const fn `<E as Clone>::clone_from` in constant functions
[INFO] [stdout]    --> src/lib.rs:612:42
[INFO] [stdout]     |
[INFO] [stdout] 612 |             (Fail(to), Fail(from)) => to.clone_from(from),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
[INFO] [stdout] help: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout]     |
[INFO] [stdout] 179 + #![feature(effects)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0493]: destructor of `Fallible<E>` cannot be evaluated at compile-time
[INFO] [stdout]    --> src/lib.rs:613:27
[INFO] [stdout]     |
[INFO] [stdout] 613 |             (to, from) => *to = from.clone(),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the destructor for this type cannot be evaluated in constant functions
[INFO] [stdout]     |                           value is dropped here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fallible-option` (lib) due to 44 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 43 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0015, E0493.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0015`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fallible-option` (lib test) due to 44 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "38ce3667581158d6d3018f02a52a8639bfde01783a348b571cde0574dff6678d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ce3667581158d6d3018f02a52a8639bfde01783a348b571cde0574dff6678d", kill_on_drop: false }`
[INFO] [stdout] 38ce3667581158d6d3018f02a52a8639bfde01783a348b571cde0574dff6678d
