[INFO] fetching crate squark-web 0.3.0...
[INFO] checking squark-web-0.3.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate squark-web 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate squark-web 0.3.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate squark-web 0.3.0
[INFO] finished tweaking crates.io crate squark-web 0.3.0
[INFO] tweaked toml for crates.io crate squark-web 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ece3f9403fc41c134b47ff88e2f228a279f8df8afcad2b0ee4ecba6fa3e6c84c
[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" "ece3f9403fc41c134b47ff88e2f228a279f8df8afcad2b0ee4ecba6fa3e6c84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ece3f9403fc41c134b47ff88e2f228a279f8df8afcad2b0ee4ecba6fa3e6c84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece3f9403fc41c134b47ff88e2f228a279f8df8afcad2b0ee4ecba6fa3e6c84c", kill_on_drop: false }`
[INFO] [stdout] ece3f9403fc41c134b47ff88e2f228a279f8df8afcad2b0ee4ecba6fa3e6c84c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] d7352dde6aa0c3e3be6a05b160ed42dac9eac3f2b245af9659682cd5b3d8d342
[INFO] running `Command { std: "docker" "start" "-a" "d7352dde6aa0c3e3be6a05b160ed42dac9eac3f2b245af9659682cd5b3d8d342", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.70
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.5.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.70
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking squark v0.7.1
[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 web-sys v0.3.47
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking squark-web v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:60
[INFO] [stdout]    |
[INFO] [stdout] 46 | type AttachedMap = HashMap<String, HashMap<String, Closure<Fn(JsValue)>>>;
[INFO] [stdout]    |                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(JsValue)`
[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/lib.rs:235:18
[INFO] [stdout]     |
[INFO] [stdout] 235 |     ) -> Closure<Fn(JsValue)> {
[INFO] [stdout]     |                  ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(JsValue)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:279:19
[INFO] [stdout]     |
[INFO] [stdout] 279 |         }) as Box<FnMut(_)>);
[INFO] [stdout]     |                   ^^^^^^^^ help: use `dyn`: `dyn FnMut(_)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:291:89
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn handle_future<T: Serialize + 'static, E: Serialize + 'static>(&self, future: Box<Future<Item = T, Error = E>>) {
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:60
[INFO] [stdout]    |
[INFO] [stdout] 46 | type AttachedMap = HashMap<String, HashMap<String, Closure<Fn(JsValue)>>>;
[INFO] [stdout]    |                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(JsValue)`
[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/lib.rs:235:18
[INFO] [stdout]     |
[INFO] [stdout] 235 |     ) -> Closure<Fn(JsValue)> {
[INFO] [stdout]     |                  ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(JsValue)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:279:19
[INFO] [stdout]     |
[INFO] [stdout] 279 |         }) as Box<FnMut(_)>);
[INFO] [stdout]     |                   ^^^^^^^^ help: use `dyn`: `dyn FnMut(_)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:291:89
[INFO] [stdout]     |
[INFO] [stdout] 291 |     fn handle_future<T: Serialize + 'static, E: Serialize + 'static>(&self, future: Box<Future<Item = T, Error = E>>) {
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Promise` that must be used
[INFO] [stdout]    --> src/lib.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |         p.then(&closure);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Promise` that must be used
[INFO] [stdout]    --> src/lib.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |         p.then(&closure);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.43s
[INFO] running `Command { std: "docker" "inspect" "d7352dde6aa0c3e3be6a05b160ed42dac9eac3f2b245af9659682cd5b3d8d342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7352dde6aa0c3e3be6a05b160ed42dac9eac3f2b245af9659682cd5b3d8d342", kill_on_drop: false }`
[INFO] [stdout] d7352dde6aa0c3e3be6a05b160ed42dac9eac3f2b245af9659682cd5b3d8d342