[INFO] fetching crate impulse 0.1.1...
[INFO] checking impulse-0.1.1 against beta for pr-78714
[INFO] extracting crate impulse 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate impulse 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate impulse 0.1.1
[INFO] finished tweaking crates.io crate impulse 0.1.1
[INFO] tweaked toml for crates.io crate impulse 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddc64690f51c6ef95fe5856521bc18a0a2e8cde3a57a647b1148a1931f7feabd
[INFO] running `Command { std: "docker" "start" "-a" "ddc64690f51c6ef95fe5856521bc18a0a2e8cde3a57a647b1148a1931f7feabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc64690f51c6ef95fe5856521bc18a0a2e8cde3a57a647b1148a1931f7feabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc64690f51c6ef95fe5856521bc18a0a2e8cde3a57a647b1148a1931f7feabd", kill_on_drop: false }`
[INFO] [stdout] ddc64690f51c6ef95fe5856521bc18a0a2e8cde3a57a647b1148a1931f7feabd
[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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96e98b4fc1c2e85b8c985a63a18f429dc9bf2b450973de3a20ce8feb17842697
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96e98b4fc1c2e85b8c985a63a18f429dc9bf2b450973de3a20ce8feb17842697", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]     Checking js-sys v0.3.45
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.45
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Checking impulse v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Element`, `window`
[INFO] [stdout]  --> src/component.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use web_sys::{window, Element};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/component.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     children: Vec<Box<Renderable>>,
[INFO] [stdout]   |                       ^^^^^^^^^^ help: use `dyn`: `dyn Renderable`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/component.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |         children: Vec<Box<Renderable>>,
[INFO] [stdout]    |                           ^^^^^^^^^^ help: use `dyn`: `dyn Renderable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Element`, `window`
[INFO] [stdout]  --> src/component.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use web_sys::{window, Element};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/component.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     children: Vec<Box<Renderable>>,
[INFO] [stdout]   |                       ^^^^^^^^^^ help: use `dyn`: `dyn Renderable`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/component.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |         children: Vec<Box<Renderable>>,
[INFO] [stdout]    |                           ^^^^^^^^^^ help: use `dyn`: `dyn Renderable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.34s
[INFO] running `Command { std: "docker" "inspect" "96e98b4fc1c2e85b8c985a63a18f429dc9bf2b450973de3a20ce8feb17842697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e98b4fc1c2e85b8c985a63a18f429dc9bf2b450973de3a20ce8feb17842697", kill_on_drop: false }`
[INFO] [stdout] 96e98b4fc1c2e85b8c985a63a18f429dc9bf2b450973de3a20ce8feb17842697