[INFO] updating cached repository https://github.com/jdgwf/rust-yew-child-component-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3002be4a7ca68ee798a08d74996302606761b80f
[INFO] checking jdgwf/rust-yew-child-component-test against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdgwf%2Frust-yew-child-component-test" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdgwf/rust-yew-child-component-test on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jdgwf/rust-yew-child-component-test
[INFO] finished tweaking git repo https://github.com/jdgwf/rust-yew-child-component-test
[INFO] tweaked toml for git repo https://github.com/jdgwf/rust-yew-child-component-test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jdgwf/rust-yew-child-component-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b981f04dc17b354ea6a4096326e7e725e443d8144c5b77925845990b253007c4
[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" "b981f04dc17b354ea6a4096326e7e725e443d8144c5b77925845990b253007c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b981f04dc17b354ea6a4096326e7e725e443d8144c5b77925845990b253007c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b981f04dc17b354ea6a4096326e7e725e443d8144c5b77925845990b253007c4", kill_on_drop: false }`
[INFO] [stdout] b981f04dc17b354ea6a4096326e7e725e443d8144c5b77925845990b253007c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e100a6b06ef22ebaa61d47d629b19a0a8d60efa6327ace93106e5f77a09aaf67
[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" "e100a6b06ef22ebaa61d47d629b19a0a8d60efa6327ace93106e5f77a09aaf67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling yew v0.9.0 (https://github.com/DenisKolodin/yew#ec41e9d7)
[INFO] [stderr]    Compiling yew-macro v0.9.0 (https://github.com/DenisKolodin/yew#ec41e9d7)
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr]     Checking stdweb v0.4.18
[INFO] [stderr]     Checking wasmtests v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/label_input.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     onsignal: Callback<(String)>,
[INFO] [stdout]   |                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/label_input.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub onsignal: Callback<(String)>,
[INFO] [stdout]    |                            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/label_input.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     onsignal: Callback<(String)>,
[INFO] [stdout]   |                        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/label_input.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub onsignal: Callback<(String)>,
[INFO] [stdout]    |                            ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "e100a6b06ef22ebaa61d47d629b19a0a8d60efa6327ace93106e5f77a09aaf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e100a6b06ef22ebaa61d47d629b19a0a8d60efa6327ace93106e5f77a09aaf67", kill_on_drop: false }`
[INFO] [stdout] e100a6b06ef22ebaa61d47d629b19a0a8d60efa6327ace93106e5f77a09aaf67