[INFO] fetching crate yew-stdweb 0.17.4...
[INFO] checking yew-stdweb-0.17.4 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate yew-stdweb 0.17.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate yew-stdweb 0.17.4 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yew-stdweb 0.17.4
[INFO] finished tweaking crates.io crate yew-stdweb 0.17.4
[INFO] tweaked toml for crates.io crate yew-stdweb 0.17.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.3.2
[INFO] [stderr]   Downloaded ssri v5.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5c2e5880bcdc5eec4f00e93c089d9ae12acd32483305d1a562f29dc22a90008
[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" "b5c2e5880bcdc5eec4f00e93c089d9ae12acd32483305d1a562f29dc22a90008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5c2e5880bcdc5eec4f00e93c089d9ae12acd32483305d1a562f29dc22a90008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c2e5880bcdc5eec4f00e93c089d9ae12acd32483305d1a562f29dc22a90008", kill_on_drop: false }`
[INFO] [stdout] b5c2e5880bcdc5eec4f00e93c089d9ae12acd32483305d1a562f29dc22a90008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b11356a04b4e2745ea7d27a2f8baa9e0f0ca23c14dff833f5093b492a260eee4
[INFO] running `Command { std: "docker" "start" "-a" "b11356a04b4e2745ea7d27a2f8baa9e0f0ca23c14dff833f5093b492a260eee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fixedbitset v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling yew-macro v0.17.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]     Checking stdweb v0.4.20
[INFO] [stderr]     Checking yew-stdweb v0.17.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: bounds on `Self: Drop` are useless, consider instead using `std::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout]   --> src/services/mod.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub trait Task: Drop {
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on `Self: Drop` are useless, consider instead using `std::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout]   --> src/services/mod.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub trait Task: Drop {
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.69s
[INFO] running `Command { std: "docker" "inspect" "b11356a04b4e2745ea7d27a2f8baa9e0f0ca23c14dff833f5093b492a260eee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11356a04b4e2745ea7d27a2f8baa9e0f0ca23c14dff833f5093b492a260eee4", kill_on_drop: false }`
[INFO] [stdout] b11356a04b4e2745ea7d27a2f8baa9e0f0ca23c14dff833f5093b492a260eee4