[INFO] fetching crate fallible-option 0.1.3...
[INFO] checking fallible-option-0.1.3 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate fallible-option 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fallible-option 0.1.3 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f00f5f81523ee18ffa1a39630b171cb289686fc613ea578c557af88f8af932b3
[INFO] running `Command { std: "docker" "start" "-a" "f00f5f81523ee18ffa1a39630b171cb289686fc613ea578c557af88f8af932b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00f5f81523ee18ffa1a39630b171cb289686fc613ea578c557af88f8af932b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00f5f81523ee18ffa1a39630b171cb289686fc613ea578c557af88f8af932b3", kill_on_drop: false }`
[INFO] [stdout] f00f5f81523ee18ffa1a39630b171cb289686fc613ea578c557af88f8af932b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d1ee3ed016af5f532651aab83d40053a18b06dc8bd1da7067796d2a60eca393
[INFO] running `Command { std: "docker" "start" "-a" "6d1ee3ed016af5f532651aab83d40053a18b06dc8bd1da7067796d2a60eca393", 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: 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` 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` 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: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: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: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` 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: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:359:19
[INFO] [stdout]     |
[INFO] [stdout] 359 |         F: ~const FnOnce(E) -> U,
[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] 
[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] 
[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] 
[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: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 359 |         F: ~const FnOnce(E) -> U + ~const core::ops::FnOnce<(E,)>,
[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] 
[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] 
[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: aborting due to 21 previous errors; 1 warning 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) due to 22 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] 
[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] 
[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] 
[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: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 359 |         F: ~const FnOnce(E) -> U + ~const core::ops::FnOnce<(E,)>,
[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] 
[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] 
[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: aborting due to 21 previous errors; 1 warning 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 22 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6d1ee3ed016af5f532651aab83d40053a18b06dc8bd1da7067796d2a60eca393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1ee3ed016af5f532651aab83d40053a18b06dc8bd1da7067796d2a60eca393", kill_on_drop: false }`
[INFO] [stdout] 6d1ee3ed016af5f532651aab83d40053a18b06dc8bd1da7067796d2a60eca393
[INFO] checking fallible-option-0.1.3 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate fallible-option 0.1.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate fallible-option 0.1.3 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b2b9cdff74da837e372270ea3140b19ea6f562261892ff28f4594d761ca5fa0
[INFO] running `Command { std: "docker" "start" "-a" "0b2b9cdff74da837e372270ea3140b19ea6f562261892ff28f4594d761ca5fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b2b9cdff74da837e372270ea3140b19ea6f562261892ff28f4594d761ca5fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2b9cdff74da837e372270ea3140b19ea6f562261892ff28f4594d761ca5fa0", kill_on_drop: false }`
[INFO] [stdout] 0b2b9cdff74da837e372270ea3140b19ea6f562261892ff28f4594d761ca5fa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09bd1fd4209be8af1b7244f31e319c035e5b677b48f532d57acefd58a011f040
[INFO] running `Command { std: "docker" "start" "-a" "09bd1fd4209be8af1b7244f31e319c035e5b677b48f532d57acefd58a011f040", 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] 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` 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: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] 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` 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: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` 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: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:359:19
[INFO] [stdout]     |
[INFO] [stdout] 359 |         F: ~const FnOnce(E) -> U,
[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] 
[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] 
[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] 
[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: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 359 |         F: ~const FnOnce(E) -> U + ~const core::ops::FnOnce<(E,)>,
[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] 
[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] 
[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: aborting due to 21 previous errors; 1 warning 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) due to 22 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] 
[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] 
[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] 
[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: add `#![feature(effects)]` to the crate attributes to enable
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 359 |         F: ~const FnOnce(E) -> U + ~const core::ops::FnOnce<(E,)>,
[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] 
[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] 
[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: aborting due to 21 previous errors; 1 warning 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 22 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "09bd1fd4209be8af1b7244f31e319c035e5b677b48f532d57acefd58a011f040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09bd1fd4209be8af1b7244f31e319c035e5b677b48f532d57acefd58a011f040", kill_on_drop: false }`
[INFO] [stdout] 09bd1fd4209be8af1b7244f31e319c035e5b677b48f532d57acefd58a011f040
