[INFO] fetching crate vitree 0.1.0...
[INFO] testing vitree-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate vitree 0.1.0 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vitree 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.10.0)
[INFO] [stderr]       Adding downcast-rs v1.2.1 (available: v2.0.2)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-panic v0.1.35
[INFO] [stderr]   Downloaded enclose v1.2.1
[INFO] [stderr]   Downloaded observe v1.2.0
[INFO] [stderr]   Downloaded skima v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93e1c8d4891802b36d89d32df1f0f2ae03789aabcf619548be9c25acc0710058
[INFO] running `Command { std: "docker" "start" "-a" "93e1c8d4891802b36d89d32df1f0f2ae03789aabcf619548be9c25acc0710058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93e1c8d4891802b36d89d32df1f0f2ae03789aabcf619548be9c25acc0710058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e1c8d4891802b36d89d32df1f0f2ae03789aabcf619548be9c25acc0710058", kill_on_drop: false }`
[INFO] [stdout] 93e1c8d4891802b36d89d32df1f0f2ae03789aabcf619548be9c25acc0710058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef6557257ca81f892915636ebbd012c35265296211ec019c4a88588c77bd222e
[INFO] running `Command { std: "docker" "start" "-a" "ef6557257ca81f892915636ebbd012c35265296211ec019c4a88588c77bd222e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling no-panic v0.1.35
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling enclose v1.2.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling by_address v1.2.1
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling observe v1.2.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.105
[INFO] [stderr]    Compiling wasm-bindgen v0.2.105
[INFO] [stderr]    Compiling js-sys v0.3.82
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling tracing-wasm v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling web-sys v0.3.82
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.55
[INFO] [stderr]    Compiling skima v0.1.0
[INFO] [stderr]    Compiling vitree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TreeKind`
[INFO] [stdout]  --> src/root.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::node::{TreeData, TreeKind};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `KEY_TYPE` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type KEY_TYPE = usize;
[INFO] [stdout]    |          ^^^^^^^^ help: convert the identifier to upper camel case: `KeyType`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `HASH_TYPE` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type HASH_TYPE = u64;
[INFO] [stdout]    |          ^^^^^^^^^ help: convert the identifier to upper camel case: `HashType`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `hash_drain_filter`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(hash_drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `std::cell::RefMut<'_, Vec<std::rc::Weak<(dyn TreeSubscriber + 'static)>>>` in the current scope
[INFO] [stdout]   --> src/dynamic.rs:56:39
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.subscribers.borrow_mut().drain_filter(|c| {
[INFO] [stdout]    |         ------------------------------^^^^^^^^^^^^ method not found in `std::cell::RefMut<'_, Vec<std::rc::Weak<(dyn TreeSubscriber + 'static)>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/dynamic.rs:56:53
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.subscribers.borrow_mut().drain_filter(|c| {
[INFO] [stdout]    |                                                     ^
[INFO] [stdout] 57 |             if let Some(c) = c.upgrade() {
[INFO] [stdout]    |                              - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 56 |         self.subscribers.borrow_mut().drain_filter(|c: /* Type */| {
[INFO] [stdout]    |                                                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for mutable reference `&mut HashMap<usize, RenderedItem>` in the current scope
[INFO] [stdout]    --> src/view.rs:219:32
[INFO] [stdout]     |
[INFO] [stdout] 219 |         for (_key, item) in rendered.drain_filter(|key, _| !visited.contains(&key)) {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^ method not found in `&mut HashMap<usize, RenderedItem>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vitree` (lib) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ef6557257ca81f892915636ebbd012c35265296211ec019c4a88588c77bd222e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6557257ca81f892915636ebbd012c35265296211ec019c4a88588c77bd222e", kill_on_drop: false }`
[INFO] [stdout] ef6557257ca81f892915636ebbd012c35265296211ec019c4a88588c77bd222e
