[INFO] fetching crate i-slint-editor-preview 1.18.1...
[INFO] testing i-slint-editor-preview-1.18.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate i-slint-editor-preview 1.18.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate i-slint-editor-preview 1.18.1
[INFO] finished tweaking crates.io crate i-slint-editor-preview 1.18.1
[INFO] tweaked toml for crates.io crate i-slint-editor-preview 1.18.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate i-slint-editor-preview 1.18.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate i-slint-editor-preview 1.18.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672
[INFO] running `Command { std: "docker" "start" "2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.26
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[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling i-slint-common v1.18.1
[INFO] [stderr]    Compiling futures-util v0.3.34
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[INFO] [stderr]    Compiling tempfile v3.27.0
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[INFO] [stderr]    Compiling lsp-types v0.95.1
[INFO] [stderr]    Compiling i-slint-live-preview v1.18.1
[INFO] [stderr]    Compiling i-slint-editor-preview v1.18.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 4m 16s
[INFO] running `Command { std: "docker" "inspect" "2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin_on v0.1.1
[INFO] [stderr]    Compiling i-slint-editor-preview v1.18.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `i_slint_backend_testing` in this scope
[INFO] [stdout]    --> test.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     i_slint_backend_testing::init_no_event_loop();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `i_slint_backend_testing`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `i_slint_backend_testing`, use `cargo add i_slint_backend_testing` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `i_slint_backend_testing` in this scope
[INFO] [stdout]    --> test.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     i_slint_backend_testing::init_no_event_loop();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `i_slint_backend_testing`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `i_slint_backend_testing`, use `cargo add i_slint_backend_testing` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `i-slint-editor-preview` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672", kill_on_drop: false }`
[INFO] [stdout] 2e3a2a0feda1bc21db3005ae4eaac8e901df7ddc63ba2f279f5195a3cc0c8672
