[INFO] fetching crate bonzai 0.2.1...
[INFO] testing bonzai-0.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate bonzai 0.2.1 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate bonzai 0.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1384a4cd25e8904d0517e5f03e6422dc346c030ad10098b82e7d81ebd65580db
[INFO] running `Command { std: "docker" "start" "-a" "1384a4cd25e8904d0517e5f03e6422dc346c030ad10098b82e7d81ebd65580db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1384a4cd25e8904d0517e5f03e6422dc346c030ad10098b82e7d81ebd65580db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1384a4cd25e8904d0517e5f03e6422dc346c030ad10098b82e7d81ebd65580db", kill_on_drop: false }`
[INFO] [stdout] 1384a4cd25e8904d0517e5f03e6422dc346c030ad10098b82e7d81ebd65580db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c852130d62aa262fd36a7345c0e17133df52c7496797e5212c62c324c6e017
[INFO] running `Command { std: "docker" "start" "-a" "37c852130d62aa262fd36a7345c0e17133df52c7496797e5212c62c324c6e017", kill_on_drop: false }`
[INFO] [stderr]    Compiling bonzai v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::array::FixedSizeArray`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use core::array::FixedSizeArray;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `FixedSizeArray` in `array`
[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:127:36
[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:961:37
[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:985:37
[INFO] [stdout]     |
[INFO] [stdout] 985 |                 let array: C = mem::uninitialized();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bonzai` due to 9 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "37c852130d62aa262fd36a7345c0e17133df52c7496797e5212c62c324c6e017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c852130d62aa262fd36a7345c0e17133df52c7496797e5212c62c324c6e017", kill_on_drop: false }`
[INFO] [stdout] 37c852130d62aa262fd36a7345c0e17133df52c7496797e5212c62c324c6e017