[INFO] fetching crate impulse 0.1.1...
[INFO] checking impulse-0.1.1 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate impulse 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate impulse 0.1.1 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] ffb08f2a6aba18c5f23741376bc3f2ae0cf1c1f31f86541ae2d78f9ba8eb0fe7
[INFO] running `Command { std: "docker" "start" "-a" "ffb08f2a6aba18c5f23741376bc3f2ae0cf1c1f31f86541ae2d78f9ba8eb0fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffb08f2a6aba18c5f23741376bc3f2ae0cf1c1f31f86541ae2d78f9ba8eb0fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb08f2a6aba18c5f23741376bc3f2ae0cf1c1f31f86541ae2d78f9ba8eb0fe7", kill_on_drop: false }`
[INFO] [stdout] ffb08f2a6aba18c5f23741376bc3f2ae0cf1c1f31f86541ae2d78f9ba8eb0fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9d12f79ef87d0008f8656116c717993df697b351e641b2bbe57800ecd294bee
[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" "b9d12f79ef87d0008f8656116c717993df697b351e641b2bbe57800ecd294bee", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.70
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.70
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.70
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.70
[INFO] [stderr]     Checking js-sys v0.3.47
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.47
[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 32.33s
[INFO] running `Command { std: "docker" "inspect" "b9d12f79ef87d0008f8656116c717993df697b351e641b2bbe57800ecd294bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d12f79ef87d0008f8656116c717993df697b351e641b2bbe57800ecd294bee", kill_on_drop: false }`
[INFO] [stdout] b9d12f79ef87d0008f8656116c717993df697b351e641b2bbe57800ecd294bee