[INFO] fetching crate vitree 0.1.0...
[INFO] testing vitree-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate vitree 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate vitree 0.1.0
[INFO] finished tweaking crates.io crate vitree 0.1.0
[INFO] tweaked toml for crates.io crate vitree 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vitree 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.11.1)
[INFO] [stderr]       Adding downcast-rs v1.2.1 (available: v2.0.2)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-wasm v0.2.1
[INFO] [stderr]   Downloaded fxhash v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.68
[INFO] [stderr]   Downloaded by_address v1.2.1
[INFO] [stderr]   Downloaded no-panic v0.1.36
[INFO] [stderr]   Downloaded enclose v1.2.1
[INFO] [stderr]   Downloaded observe v1.3.0
[INFO] [stderr]   Downloaded arc-swap v1.9.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.23
[INFO] [stderr]   Downloaded skima v0.1.0
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.7
[INFO] [stderr]   Downloaded web-sys v0.3.95
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 542cbf6daf3bcf36f86b430fe9b9dcd45bf1f1b268837d90356d38e3ac5c87f7
[INFO] running `Command { std: "docker" "start" "-a" "542cbf6daf3bcf36f86b430fe9b9dcd45bf1f1b268837d90356d38e3ac5c87f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "542cbf6daf3bcf36f86b430fe9b9dcd45bf1f1b268837d90356d38e3ac5c87f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542cbf6daf3bcf36f86b430fe9b9dcd45bf1f1b268837d90356d38e3ac5c87f7", kill_on_drop: false }`
[INFO] [stdout] 542cbf6daf3bcf36f86b430fe9b9dcd45bf1f1b268837d90356d38e3ac5c87f7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9976ff2d947da18d9f3930666924d2ce4cb330547e576f91abd97d8cf56a42f
[INFO] running `Command { std: "docker" "start" "-a" "e9976ff2d947da18d9f3930666924d2ce4cb330547e576f91abd97d8cf56a42f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.118
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling no-panic v0.1.36
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.118
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling arc-swap v1.9.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling enclose v1.2.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.118
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.118
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling observe v1.3.0
[INFO] [stderr]    Compiling js-sys v0.3.95
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling tracing-wasm v0.2.1
[INFO] [stderr]    Compiling web-sys v0.3.95
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.68
[INFO] [stderr]    Compiling skima v0.1.0
[INFO] [stdout] error[E0432]: unresolved imports `observe::batch`, `observe::Var`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/skima-0.1.0/src/web/mod.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use observe::{batch, Var};
[INFO] [stdout]   |               ^^^^^  ^^^ no `Var` in the root
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `batch` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `observe::batch`, `observe::Dependencies`, `observe::Derived`, `observe::Evaluation`, `observe::Invalid`, `observe::State`, `observe::CHANGED`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/skima-0.1.0/src/web/reactive.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use observe::{batch, Dependencies, Derived, Evaluation, Invalid, State, CHANGED};
[INFO] [stdout]    |               ^^^^^  ^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^  ^^^^^  ^^^^^^^ no `CHANGED` in the root
[INFO] [stdout]    |               |      |             |        |           |        |
[INFO] [stdout]    |               |      |             |        |           |        no `State` in the root
[INFO] [stdout]    |               |      |             |        |           no `Invalid` in the root
[INFO] [stdout]    |               |      |             |        no `Evaluation` in the root
[INFO] [stdout]    |               |      |             no `Derived` in the root
[INFO] [stdout]    |               |      no `Dependencies` in the root
[INFO] [stdout]    |               no `batch` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Reactive` in crate `observe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/skima-0.1.0/src/web/reactive.rs:571:27
[INFO] [stdout]     |
[INFO] [stdout] 571 | impl<F, M, B, E> observe::Reactive for ReactiveComponent<F, M, B, E>
[INFO] [stdout]     |                           ^^^^^^^^ not found in `observe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Invalid` in crate `observe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/skima-0.1.0/src/web/reactive.rs:594:50
[INFO] [stdout]     |
[INFO] [stdout] 594 |     fn invalidate(self: Rc<Self>, invalid: observe::Invalid) {
[INFO] [stdout]     |                                                     ^^^^^^^ not found in `observe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Reactive` in crate `observe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/skima-0.1.0/src/web/reactive.rs:603:54
[INFO] [stdout]     |
[INFO] [stdout] 603 |                     .push(Rc::downgrade(&self) as Weak<dyn observe::Reactive>)
[INFO] [stdout]     |                                                                     ^^^^^^^^ not found in `observe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/skima-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `skima` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "e9976ff2d947da18d9f3930666924d2ce4cb330547e576f91abd97d8cf56a42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9976ff2d947da18d9f3930666924d2ce4cb330547e576f91abd97d8cf56a42f", kill_on_drop: false }`
[INFO] [stdout] e9976ff2d947da18d9f3930666924d2ce4cb330547e576f91abd97d8cf56a42f
