[INFO] fetching crate bonzai 0.2.1...
[INFO] checking bonzai-0.2.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate bonzai 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bonzai 0.2.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bonzai 0.2.1
[INFO] finished tweaking crates.io crate bonzai 0.2.1
[INFO] tweaked toml for crates.io crate bonzai 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb845d3329e2fed3628fb8176ac29c2c729beb430a2d5180acaa1d0ed8ef6ec4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb845d3329e2fed3628fb8176ac29c2c729beb430a2d5180acaa1d0ed8ef6ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb845d3329e2fed3628fb8176ac29c2c729beb430a2d5180acaa1d0ed8ef6ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb845d3329e2fed3628fb8176ac29c2c729beb430a2d5180acaa1d0ed8ef6ec4", kill_on_drop: false }`
[INFO] [stdout] bb845d3329e2fed3628fb8176ac29c2c729beb430a2d5180acaa1d0ed8ef6ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc5e2d43a0764fb99346bc53a84a623e40f36a6ed5fdf57a83a133a80e687bf6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc5e2d43a0764fb99346bc53a84a623e40f36a6ed5fdf57a83a133a80e687bf6", kill_on_drop: false }`
[INFO] [stderr]     Checking bonzai v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:611:44
[INFO] [stdout]     |
[INFO] [stdout] 611 | impl<'tree, T, C: FixedSizeArray<ChildId>> !Send for TreeOperation<'tree, T, C> {}
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:612:44
[INFO] [stdout]     |
[INFO] [stdout] 612 | impl<'tree, T, C: FixedSizeArray<ChildId>> !Sync for TreeOperation<'tree, T, C> {}
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:737:58
[INFO] [stdout]     |
[INFO] [stdout] 737 | impl<'op, 'node, 't: 'op, T, C: FixedSizeArray<ChildId>> !Send for NodeWriteGuard<'op, 'node, 't, T, C> {}
[INFO] [stdout]     |                                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:738:58
[INFO] [stdout]     |
[INFO] [stdout] 738 | impl<'op, 'node, 't: 'op, T, C: FixedSizeArray<ChildId>> !Sync for NodeWriteGuard<'op, 'node, 't, T, C> {}
[INFO] [stdout]     |                                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]     --> src/lib.rs:1135:58
[INFO] [stdout]      |
[INFO] [stdout] 1135 | impl<'op, 'node, 't: 'op, T, C: FixedSizeArray<ChildId>> !Send for ChildWriteGuard<'op, 'node, 't, T, C> {}
[INFO] [stdout]      |                                                          ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]      = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]     --> src/lib.rs:1136:58
[INFO] [stdout]      |
[INFO] [stdout] 1136 | impl<'op, 'node, 't: 'op, T, C: FixedSizeArray<ChildId>> !Sync for ChildWriteGuard<'op, 'node, 't, T, C> {}
[INFO] [stdout]      |                                                          ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]      = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:127:31
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut children: C = mem::uninitialized();
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:961:32
[INFO] [stdout]     |
[INFO] [stdout] 961 |                 let array: C = mem::uninitialized();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:985:32
[INFO] [stdout]     |
[INFO] [stdout] 985 |                 let array: C = mem::uninitialized();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:611:44
[INFO] [stdout]     |
[INFO] [stdout] 611 | impl<'tree, T, C: FixedSizeArray<ChildId>> !Send for TreeOperation<'tree, T, C> {}
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:612:44
[INFO] [stdout]     |
[INFO] [stdout] 612 | impl<'tree, T, C: FixedSizeArray<ChildId>> !Sync for TreeOperation<'tree, T, C> {}
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:737:58
[INFO] [stdout]     |
[INFO] [stdout] 737 | impl<'op, 'node, 't: 'op, T, C: FixedSizeArray<ChildId>> !Send for NodeWriteGuard<'op, 'node, 't, T, C> {}
[INFO] [stdout]     |                                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]    --> src/lib.rs:738:58
[INFO] [stdout]     |
[INFO] [stdout] 738 | impl<'op, 'node, 't: 'op, T, C: FixedSizeArray<ChildId>> !Sync for NodeWriteGuard<'op, 'node, 't, T, C> {}
[INFO] [stdout]     |                                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]     --> src/lib.rs:1135:58
[INFO] [stdout]      |
[INFO] [stdout] 1135 | impl<'op, 'node, 't: 'op, T, C: FixedSizeArray<ChildId>> !Send for ChildWriteGuard<'op, 'node, 't, T, C> {}
[INFO] [stdout]      |                                                          ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]      = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]     --> src/lib.rs:1136:58
[INFO] [stdout]      |
[INFO] [stdout] 1136 | impl<'op, 'node, 't: 'op, T, C: FixedSizeArray<ChildId>> !Sync for ChildWriteGuard<'op, 'node, 't, T, C> {}
[INFO] [stdout]      |                                                          ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]      = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:127:31
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut children: C = mem::uninitialized();
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:961:32
[INFO] [stdout]     |
[INFO] [stdout] 961 |                 let array: C = mem::uninitialized();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:985:32
[INFO] [stdout]     |
[INFO] [stdout] 985 |                 let array: C = mem::uninitialized();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bonzai`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fc5e2d43a0764fb99346bc53a84a623e40f36a6ed5fdf57a83a133a80e687bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc5e2d43a0764fb99346bc53a84a623e40f36a6ed5fdf57a83a133a80e687bf6", kill_on_drop: false }`
[INFO] [stdout] fc5e2d43a0764fb99346bc53a84a623e40f36a6ed5fdf57a83a133a80e687bf6