[INFO] fetching crate ksway 0.1.0...
[INFO] checking ksway-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate ksway 0.1.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate ksway 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ksway 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ksway 0.1.0
[INFO] tweaked toml for crates.io crate ksway 0.1.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4807819cc2b809e57f726053a62aad582d33150107074e20ccf90b6ca291b578
[INFO] running `Command { std: "docker" "start" "-a" "4807819cc2b809e57f726053a62aad582d33150107074e20ccf90b6ca291b578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4807819cc2b809e57f726053a62aad582d33150107074e20ccf90b6ca291b578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4807819cc2b809e57f726053a62aad582d33150107074e20ccf90b6ca291b578", kill_on_drop: false }`
[INFO] [stdout] 4807819cc2b809e57f726053a62aad582d33150107074e20ccf90b6ca291b578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4fea1eb9cbe3342ff5f5edcdbe249c03bc14bf7364698f0ce601870100ace2d
[INFO] running `Command { std: "docker" "start" "-a" "f4fea1eb9cbe3342ff5f5edcdbe249c03bc14bf7364698f0ce601870100ace2d", kill_on_drop: false }`
[INFO] [stderr] warning: invalid feature `this-isnt-a-real-example` in required-features of target `utils`: `this-isnt-a-real-example` is not present in [features] section
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]     Checking slab v0.4.5
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[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking globwalk v0.7.3
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking ksway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/sway-focus-next.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | type Expression = Box<Fn(&JsonValue) -> bool>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&JsonValue) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> examples/watch-sway-windows.rs:245:5
[INFO] [stdout]     |
[INFO] [stdout] 180 | /     loop {
[INFO] [stdout] 181 | |         while let Ok((payload_type, payload)) = rx.try_recv() {
[INFO] [stdout] 182 | |             match payload_type {
[INFO] [stdout] 183 | |                 IpcEvent::Window => {
[INFO] [stdout] ...   |
[INFO] [stdout] 243 | |         client.poll()?;
[INFO] [stdout] 244 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 245 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `extract_path`
[INFO] [stdout]   --> examples/utils.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn extract_path<'a, 'b, S: AsRef<str>, I: IntoIterator<Item = S>>(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CenterX`
[INFO] [stdout]   --> examples/watch-sway-windows.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     CenterX,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CenterY`
[INFO] [stdout]   --> examples/watch-sway-windows.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     CenterY,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.62s
[INFO] running `Command { std: "docker" "inspect" "f4fea1eb9cbe3342ff5f5edcdbe249c03bc14bf7364698f0ce601870100ace2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fea1eb9cbe3342ff5f5edcdbe249c03bc14bf7364698f0ce601870100ace2d", kill_on_drop: false }`
[INFO] [stdout] f4fea1eb9cbe3342ff5f5edcdbe249c03bc14bf7364698f0ce601870100ace2d
