[INFO] fetching crate fallible-option 0.1.3...
[INFO] testing fallible-option-0.1.3 against 1.76.0 for beta-1.77-1
[INFO] extracting crate fallible-option 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate fallible-option 0.1.3 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ce49147e081af11cf7a2e7ee69b9f2e4364a09b6a842928a7e7f2c23a79ac7d
[INFO] running `Command { std: "docker" "start" "-a" "9ce49147e081af11cf7a2e7ee69b9f2e4364a09b6a842928a7e7f2c23a79ac7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ce49147e081af11cf7a2e7ee69b9f2e4364a09b6a842928a7e7f2c23a79ac7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce49147e081af11cf7a2e7ee69b9f2e4364a09b6a842928a7e7f2c23a79ac7d", kill_on_drop: false }`
[INFO] [stdout] 9ce49147e081af11cf7a2e7ee69b9f2e4364a09b6a842928a7e7f2c23a79ac7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9046469a4cf543e0ee3b6dcc257dad31dbd8d934493a1dd300012ea47ea59fb1
[INFO] running `Command { std: "docker" "start" "-a" "9046469a4cf543e0ee3b6dcc257dad31dbd8d934493a1dd300012ea47ea59fb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | #![feature(try_trait_v2)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:176:1
[INFO] [stdout]     |
[INFO] [stdout] 176 | #![feature(const_trait_impl)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:177:1
[INFO] [stdout]     |
[INFO] [stdout] 177 | #![feature(const_mut_refs)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:178:1
[INFO] [stdout]     |
[INFO] [stdout] 178 | #![feature(const_replace)]
[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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 | #![feature(try_trait_v2)]
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | #![feature(const_replace)]
[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: aborting due to 14 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fallible-option` (lib) due to 15 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9046469a4cf543e0ee3b6dcc257dad31dbd8d934493a1dd300012ea47ea59fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9046469a4cf543e0ee3b6dcc257dad31dbd8d934493a1dd300012ea47ea59fb1", kill_on_drop: false }`
[INFO] [stdout] 9046469a4cf543e0ee3b6dcc257dad31dbd8d934493a1dd300012ea47ea59fb1
[INFO] testing fallible-option-0.1.3 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate fallible-option 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate fallible-option 0.1.3 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c558abf69b4c8e7e75de8334f4d1e965ce4be800f3d8ac2a04ac81f9af71fe43
[INFO] running `Command { std: "docker" "start" "-a" "c558abf69b4c8e7e75de8334f4d1e965ce4be800f3d8ac2a04ac81f9af71fe43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c558abf69b4c8e7e75de8334f4d1e965ce4be800f3d8ac2a04ac81f9af71fe43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c558abf69b4c8e7e75de8334f4d1e965ce4be800f3d8ac2a04ac81f9af71fe43", kill_on_drop: false }`
[INFO] [stdout] c558abf69b4c8e7e75de8334f4d1e965ce4be800f3d8ac2a04ac81f9af71fe43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 000e03084ec3e678555663ef21753f9d2bd96d621b16e5a4e9dffb196596f5e3
[INFO] running `Command { std: "docker" "start" "-a" "000e03084ec3e678555663ef21753f9d2bd96d621b16e5a4e9dffb196596f5e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | #![feature(try_trait_v2)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:176:1
[INFO] [stdout]     |
[INFO] [stdout] 176 | #![feature(const_trait_impl)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:177:1
[INFO] [stdout]     |
[INFO] [stdout] 177 | #![feature(const_mut_refs)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:178:1
[INFO] [stdout]     |
[INFO] [stdout] 178 | #![feature(const_replace)]
[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[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 | #![feature(try_trait_v2)]
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 | #![feature(const_replace)]
[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: aborting due to 14 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fallible-option` (lib) due to 15 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "000e03084ec3e678555663ef21753f9d2bd96d621b16e5a4e9dffb196596f5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000e03084ec3e678555663ef21753f9d2bd96d621b16e5a4e9dffb196596f5e3", kill_on_drop: false }`
[INFO] [stdout] 000e03084ec3e678555663ef21753f9d2bd96d621b16e5a4e9dffb196596f5e3
