[INFO] fetching crate slint-viewer 0.3.2...
[INFO] checking slint-viewer-0.3.2 against try#8c8ae8ffc9525cd62834a2b27e7aecc1c64ff44f for pr-105568
[INFO] extracting crate slint-viewer 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate slint-viewer 0.3.2 on toolchain 8c8ae8ffc9525cd62834a2b27e7aecc1c64ff44f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c8ae8ffc9525cd62834a2b27e7aecc1c64ff44f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slint-viewer 0.3.2
[INFO] finished tweaking crates.io crate slint-viewer 0.3.2
[INFO] tweaked toml for crates.io crate slint-viewer 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate slint-viewer 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c8ae8ffc9525cd62834a2b27e7aecc1c64ff44f" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+8c8ae8ffc9525cd62834a2b27e7aecc1c64ff44f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4ab88b8175fcfd380d3ca7728c22628d5adf13f859c9f3766f1e2e0ce1e4b87
[INFO] running `Command { std: "docker" "start" "-a" "f4ab88b8175fcfd380d3ca7728c22628d5adf13f859c9f3766f1e2e0ce1e4b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4ab88b8175fcfd380d3ca7728c22628d5adf13f859c9f3766f1e2e0ce1e4b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ab88b8175fcfd380d3ca7728c22628d5adf13f859c9f3766f1e2e0ce1e4b87", kill_on_drop: false }`
[INFO] [stdout] f4ab88b8175fcfd380d3ca7728c22628d5adf13f859c9f3766f1e2e0ce1e4b87
[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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+8c8ae8ffc9525cd62834a2b27e7aecc1c64ff44f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a6d2ec07164b8a99eca2349c2f97ec675a5340bb6dc2e471e58501ca78d0213
[INFO] running `Command { std: "docker" "start" "-a" "8a6d2ec07164b8a99eca2349c2f97ec675a5340bb6dc2e471e58501ca78d0213", kill_on_drop: false }`
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[INFO] [stdout] error[E0277]: the size for values of type `dyn diagnostics::Spanned` cannot be known at compilation time
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/i-slint-compiler-0.3.2/object_tree.rs:1086:21
[INFO] [stdout]      |
[INFO] [stdout] 1086 |         if let Some(children_placeholder) = children_placeholder {
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sized` is not implemented for `dyn diagnostics::Spanned`
[INFO] [stdout]      = note: all local variables must have a statically known size
[INFO] [stdout]      = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn diagnostics::Spanned` cannot be known at compilation time
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/i-slint-compiler-0.3.2/object_tree.rs:1086:16
[INFO] [stdout]      |
[INFO] [stdout] 1086 |         if let Some(children_placeholder) = children_placeholder {
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sized` is not implemented for `dyn diagnostics::Spanned`
[INFO] [stdout] note: required by a bound in `Some`
[INFO] [stdout]     --> /rustc/8c8ae8ffc9525cd62834a2b27e7aecc1c64ff44f/library/core/src/option.rs:526:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn diagnostics::Spanned` cannot be known at compilation time
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/i-slint-compiler-0.3.2/object_tree.rs:1075:20
[INFO] [stdout]      |
[INFO] [stdout] 1075 |                 if children_placeholder.is_some() {
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^ ------- required by a bound introduced by this call
[INFO] [stdout]      |                    |
[INFO] [stdout]      |                    doesn't have a size known at compile-time
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sized` is not implemented for `dyn diagnostics::Spanned`
[INFO] [stdout] note: required by a bound in `Option::<T>::is_some`
[INFO] [stdout]     --> /rustc/8c8ae8ffc9525cd62834a2b27e7aecc1c64ff44f/library/core/src/option.rs:553:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn diagnostics::Spanned` cannot be known at compilation time
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/i-slint-compiler-0.3.2/object_tree.rs:1026:40
[INFO] [stdout]      |
[INFO] [stdout] 1026 |         let mut children_placeholder = None;
[INFO] [stdout]      |                                        ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sized` is not implemented for `dyn diagnostics::Spanned`
[INFO] [stdout] note: required by a bound in `std::prelude::v1::None`
[INFO] [stdout]     --> /rustc/8c8ae8ffc9525cd62834a2b27e7aecc1c64ff44f/library/core/src/option.rs:522:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn diagnostics::Spanned` cannot be known at compilation time
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/i-slint-compiler-0.3.2/object_tree.rs:1081:49
[INFO] [stdout]      |
[INFO] [stdout] 1081 |                     children_placeholder = Some(se.clone().into());
[INFO] [stdout]      |                                            ---- ^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]      |                                            |
[INFO] [stdout]      |                                            required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sized` is not implemented for `dyn diagnostics::Spanned`
[INFO] [stdout] note: required by a bound in `Some`
[INFO] [stdout]     --> /rustc/8c8ae8ffc9525cd62834a2b27e7aecc1c64ff44f/library/core/src/option.rs:526:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `dyn diagnostics::Spanned: From<parser::SyntaxNode>` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/i-slint-compiler-0.3.2/object_tree.rs:1081:49
[INFO] [stdout]      |
[INFO] [stdout] 1081 |                     children_placeholder = Some(se.clone().into());
[INFO] [stdout]      |                                                 ^^^^^^^^^^ ---- required by a bound introduced by this call
[INFO] [stdout]      |                                                 |
[INFO] [stdout]      |                                                 the trait `From<parser::SyntaxNode>` is not implemented for `dyn diagnostics::Spanned`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required for `parser::SyntaxNode` to implement `std::convert::Into<dyn diagnostics::Spanned>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/i-slint-compiler-0.3.2/object_tree.rs:1093:69
[INFO] [stdout]      |
[INFO] [stdout] 1093 |                 *component_child_insertion_point = Some((r.clone(), children_placeholder));
[INFO] [stdout]      |                                                                     ^^^^^^^^^^^^^^^^^^^^ expected struct `ChildrenPlaceholder`, found trait object `dyn Spanned`
[INFO] [stdout]      |
[INFO] [stdout]      = note:    expected struct `ChildrenPlaceholder`
[INFO] [stdout]              found trait object `dyn diagnostics::Spanned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `i-slint-compiler` due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8a6d2ec07164b8a99eca2349c2f97ec675a5340bb6dc2e471e58501ca78d0213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a6d2ec07164b8a99eca2349c2f97ec675a5340bb6dc2e471e58501ca78d0213", kill_on_drop: false }`
[INFO] [stdout] 8a6d2ec07164b8a99eca2349c2f97ec675a5340bb6dc2e471e58501ca78d0213