[INFO] fetching crate type_enum 0.1.6...
[INFO] testing type_enum-0.1.6 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate type_enum 0.1.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate type_enum 0.1.6
[INFO] finished tweaking crates.io crate type_enum 0.1.6
[INFO] tweaked toml for crates.io crate type_enum 0.1.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate type_enum 0.1.6 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bef21acd93f0eae44ba22b457e487747b3c50ab86c925fbfa01e580033e7f89c
[INFO] running `Command { std: "docker" "start" "-a" "bef21acd93f0eae44ba22b457e487747b3c50ab86c925fbfa01e580033e7f89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bef21acd93f0eae44ba22b457e487747b3c50ab86c925fbfa01e580033e7f89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef21acd93f0eae44ba22b457e487747b3c50ab86c925fbfa01e580033e7f89c", kill_on_drop: false }`
[INFO] [stdout] bef21acd93f0eae44ba22b457e487747b3c50ab86c925fbfa01e580033e7f89c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8073bbbc244337d0705f4d9013df8d5e3e65b0310c0f0ac4cd0cf91c963bb8b9
[INFO] running `Command { std: "docker" "start" "-a" "8073bbbc244337d0705f4d9013df8d5e3e65b0310c0f0ac4cd0cf91c963bb8b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_list v0.1.0
[INFO] [stderr]    Compiling type_enum v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:4:12
[INFO] [stdout]    |
[INFO] [stdout]  4 | #![feature(const_mut_refs)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(stable_features)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `const_intrinsic_copy` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(const_intrinsic_copy)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `const_maybe_uninit_as_mut_ptr` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_maybe_uninit_as_mut_ptr)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `const_ptr_write` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(const_ptr_write)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `const_type_id` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(const_type_id)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_slice_index`
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_slice_index)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a feature with a similar name: `const_slice_len`
[INFO] [stdout]   |
[INFO] [stdout] 5 - #![feature(const_slice_index)]
[INFO] [stdout] 5 + #![feature(const_slice_len)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_ref_unchecked` found for trait object `(dyn std::any::Any + 'static)` in the current scope
[INFO] [stdout]    --> src/lib.rs:510:20
[INFO] [stdout]     |
[INFO] [stdout] 510 |         f((**self).downcast_ref_unchecked())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_ref` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 510 -         f((**self).downcast_ref_unchecked())
[INFO] [stdout] 510 +         f((**self).downcast_ref())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `downcast_mut_unchecked` found for mutable reference `&'a mut TypeEnum<D>` in the current scope
[INFO] [stdout]    --> src/lib.rs:526:16
[INFO] [stdout]     |
[INFO] [stdout] 526 |         f(self.downcast_mut_unchecked())
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `downcast_unchecked` with a similar name, but with different arguments
[INFO] [stdout]    --> src/lib.rs:932:9
[INFO] [stdout]     |
[INFO] [stdout] 932 | /         unsafe fn downcast_unchecked<T: 'static, O>(
[INFO] [stdout] 933 | |             self,
[INFO] [stdout] 934 | |             f: impl FnOnce<Self::Output<T>, Output = O>,
[INFO] [stdout] 935 | |         ) -> O;
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `type_enum` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "8073bbbc244337d0705f4d9013df8d5e3e65b0310c0f0ac4cd0cf91c963bb8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8073bbbc244337d0705f4d9013df8d5e3e65b0310c0f0ac4cd0cf91c963bb8b9", kill_on_drop: false }`
[INFO] [stdout] 8073bbbc244337d0705f4d9013df8d5e3e65b0310c0f0ac4cd0cf91c963bb8b9
