[INFO] fetching crate zenoh-flow-daemon 0.6.0-alpha...
[INFO] checking zenoh-flow-daemon-0.6.0-alpha against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate zenoh-flow-daemon 0.6.0-alpha into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate zenoh-flow-daemon 0.6.0-alpha
[INFO] finished tweaking crates.io crate zenoh-flow-daemon 0.6.0-alpha
[INFO] tweaked toml for crates.io crate zenoh-flow-daemon 0.6.0-alpha written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zenoh-flow-daemon 0.6.0-alpha on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 413 packages to latest compatible versions
[INFO] [stderr]       Adding async-std v1.12.0 (available: v1.13.2)
[INFO] [stderr]       Adding sysinfo v0.30.13 (available: v0.37.0)
[INFO] [stderr]       Adding uhlc v0.6.3 (available: v0.8.1)
[INFO] [stderr]       Adding zenoh v0.10.1-rc (available: v1.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d6babfd0c4bc8bd63cc602a8a70219ae3f8745532b9be6ef908eb832a4eae6c
[INFO] running `Command { std: "docker" "start" "-a" "7d6babfd0c4bc8bd63cc602a8a70219ae3f8745532b9be6ef908eb832a4eae6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d6babfd0c4bc8bd63cc602a8a70219ae3f8745532b9be6ef908eb832a4eae6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6babfd0c4bc8bd63cc602a8a70219ae3f8745532b9be6ef908eb832a4eae6c", kill_on_drop: false }`
[INFO] [stdout] 7d6babfd0c4bc8bd63cc602a8a70219ae3f8745532b9be6ef908eb832a4eae6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8706e550fc186ec3f4e86d1fd836d6e20c75c76ba8425186950668021a115738
[INFO] running `Command { std: "docker" "start" "-a" "8706e550fc186ec3f4e86d1fd836d6e20c75c76ba8425186950668021a115738", kill_on_drop: false }`
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[INFO] [stdout] error[E0596]: cannot borrow `*self` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/traits/default_impls.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |         T::chunk(unsafe { &*self.get() })
[INFO] [stdout]    |                             ^^^^ `self` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:145:31
[INFO] [stdout]     |
[INFO] [stdout] 145 |             node = unsafe { (*as_node.get()).children.child_at(chunk)? };
[INFO] [stdout]     |                               ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<KeArcTreeNode<Weight, std::sync::Weak<()>, Wildness, Children, Token>, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stdout] error[E0506]: cannot assign to `node` because it is borrowed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |           'a,
[INFO] [stdout]     |           -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 179 |               > = node.as_node();
[INFO] [stdout]     |                   ---- `node` is borrowed here
[INFO] [stdout] 180 | /             node = unsafe {
[INFO] [stdout] 181 | |                 (*as_node.get())
[INFO] [stdout] 182 | |                     .children
[INFO] [stdout] 183 | |                     .entry(chunk)
[INFO] [stdout] 184 | |                     .get_or_insert_with(|k| construct_node(k, Some(Arc::downgrade(as_node))))
[INFO] [stdout] 185 | |             };
[INFO] [stdout]     | |_____________^ `node` is assigned to here but it was already borrowed
[INFO] [stdout] 186 |           }
[INFO] [stdout] 187 |           (node, token)
[INFO] [stdout]     |           ------------- returning this value requires that `node` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in a `&` reference as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 | /                 (*as_node.get())
[INFO] [stdout] 182 | |                     .children
[INFO] [stdout]     | |_____________________________^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 (*as_node.get())
[INFO] [stdout]     |                   ^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<KeArcTreeNode<Weight, std::sync::Weak<()>, Wildness, Children, Token>, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0515]: cannot return value referencing local variable `node`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |             > = node.as_node();
[INFO] [stdout]     |                 ---- `node` is borrowed here
[INFO] [stdout] ...
[INFO] [stdout] 187 |         (node, token)
[INFO] [stdout]     |         ^^^^^^^^^^^^^ returns a value referencing data owned by the current function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking validated_struct v2.2.0
[INFO] [stdout] error[E0596]: cannot borrow data in a `&` reference as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:342:41
[INFO] [stdout]     |
[INFO] [stdout] 342 |             &mut |child| match unsafe { (*child.get()).prune(&mut predicate) } {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:342:43
[INFO] [stdout]     |
[INFO] [stdout] 342 |             &mut |child| match unsafe { (*child.get()).prune(&mut predicate) } {
[INFO] [stdout]     |                                           ^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<KeArcTreeNode<Weight, std::sync::Weak<()>, Wildness, Children, Token>, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*self.0` as mutable, as it is behind a `&` reference
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:364:24
[INFO] [stdout]     |
[INFO] [stdout] 364 |             unsafe { &*self.0.get() }
[INFO] [stdout]     |                        ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*self.0` as mutable, as it is behind a `&` reference
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:370:24
[INFO] [stdout]     |
[INFO] [stdout] 370 |             unsafe { &*self.0.get() }
[INFO] [stdout]     |                        ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in a `&` reference as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:375:22
[INFO] [stdout]     |
[INFO] [stdout] 375 |             unsafe { &mut *self.0.get() }
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*self.0` as mutable, as it is behind a `&` reference
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:375:28
[INFO] [stdout]     |
[INFO] [stdout] 375 |             unsafe { &mut *self.0.get() }
[INFO] [stdout]     |                            ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:381:24
[INFO] [stdout]     |
[INFO] [stdout] 381 |             unsafe { &*self.0.get() }
[INFO] [stdout]     |                        ^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<T, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:387:24
[INFO] [stdout]     |
[INFO] [stdout] 387 |             unsafe { &*self.0.get() }
[INFO] [stdout]     |                        ^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<T, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in a `&` reference as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:392:22
[INFO] [stdout]     |
[INFO] [stdout] 392 |             unsafe { &mut *self.0.get() }
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:392:28
[INFO] [stdout]     |
[INFO] [stdout] 392 |             unsafe { &mut *self.0.get() }
[INFO] [stdout]     |                            ^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<T, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in a `&` reference as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:497:30
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let c = unsafe { &mut *child.get() };
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:497:36
[INFO] [stdout]     |
[INFO] [stdout] 497 |             let c = unsafe { &mut *child.get() };
[INFO] [stdout]     |                                    ^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<KeArcTreeNode<Weight, std::sync::Weak<()>, Wildness, Children, Token>, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:535:11
[INFO] [stdout]     |
[INFO] [stdout] 535 |         (*self.get()).parent()
[INFO] [stdout]     |           ^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<KeArcTreeNode<Weight, Parent, Wildness, Children, Token>, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:539:11
[INFO] [stdout]     |
[INFO] [stdout] 539 |         (*self.get()).keyexpr()
[INFO] [stdout]     |           ^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<KeArcTreeNode<Weight, Parent, Wildness, Children, Token>, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:543:11
[INFO] [stdout]     |
[INFO] [stdout] 543 |         (*self.get()).weight()
[INFO] [stdout]     |           ^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<KeArcTreeNode<Weight, Parent, Wildness, Children, Token>, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:555:11
[INFO] [stdout]     |
[INFO] [stdout] 555 |         (*self.get()).children()
[INFO] [stdout]     |           ^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<KeArcTreeNode<Weight, Parent, Wildness, Children, Token>, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:679:44
[INFO] [stdout]     |
[INFO] [stdout] 679 |                 Some(parent) => unsafe { &*parent.get() }.is_zombie(),
[INFO] [stdout]     |                                            ^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<KeArcTreeNode<Weight, std::sync::Weak<()>, Wildness, Children, Token>, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow data in an `Arc` as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:705:23
[INFO] [stdout]     |
[INFO] [stdout] 705 |                       &*parent
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 706 | |                         .upgrade()
[INFO] [stdout] 707 | |                         .expect("Attempted to use a zombie KeArcTreeNode (see KeArcTreeNode::is_zombie())")
[INFO] [stdout]     | |___________________________________________________________________________________________________________^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout]     = help: trait `DerefMut` is required to modify through a dereference, but it is not implemented for `Arc<token_cell::prelude::TokenCell<KeArcTreeNode<Weight, std::sync::Weak<()>, Wildness, Children, Token>, Token>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zenoh-keyexpr-0.10.1-rc/src/keyexpr_tree/arc_tree.rs:705:23
[INFO] [stdout]     |
[INFO] [stdout] 705 |                       &*parent
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 706 | |                         .upgrade()
[INFO] [stdout] 707 | |                         .expect("Attempted to use a zombie KeArcTreeNode (see KeArcTreeNode::is_zombie())")
[INFO] [stdout]     | |___________________________________________________________________________________________________________^ creates a temporary value which is freed while still in use
[INFO] [stdout] 708 |                           .get()
[INFO] [stdout] 709 |                   };
[INFO] [stdout]     |                    - temporary value is freed at the end of this statement
[INFO] [stdout] 710 |                   parent._keyexpr(capacity + self.chunk.len() + 1) + "/"
[INFO] [stdout]     |                   ------ borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0506, E0515, E0596, E0716.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0506`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zenoh-keyexpr` (lib) due to 25 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8706e550fc186ec3f4e86d1fd836d6e20c75c76ba8425186950668021a115738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8706e550fc186ec3f4e86d1fd836d6e20c75c76ba8425186950668021a115738", kill_on_drop: false }`
[INFO] [stdout] 8706e550fc186ec3f4e86d1fd836d6e20c75c76ba8425186950668021a115738