[INFO] cloning repository https://github.com/moreal/yew-todo-mvc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moreal/yew-todo-mvc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoreal%2Fyew-todo-mvc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoreal%2Fyew-todo-mvc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e95002bb47c87d82486a126017338d073299c72b
[INFO] checking moreal/yew-todo-mvc against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoreal%2Fyew-todo-mvc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moreal/yew-todo-mvc on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/moreal/yew-todo-mvc
[INFO] finished tweaking git repo https://github.com/moreal/yew-todo-mvc
[INFO] tweaked toml for git repo https://github.com/moreal/yew-todo-mvc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/moreal/yew-todo-mvc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 452b15c3421801c0ceb1f9511bda34cb694e1a6fb1328271c9753df1bbae8eee
[INFO] running `Command { std: "docker" "start" "-a" "452b15c3421801c0ceb1f9511bda34cb694e1a6fb1328271c9753df1bbae8eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "452b15c3421801c0ceb1f9511bda34cb694e1a6fb1328271c9753df1bbae8eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452b15c3421801c0ceb1f9511bda34cb694e1a6fb1328271c9753df1bbae8eee", kill_on_drop: false }`
[INFO] [stdout] 452b15c3421801c0ceb1f9511bda34cb694e1a6fb1328271c9753df1bbae8eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ecd2b3ef2bdf2bbfcd28820ad7dd4c8ec1b634c18dcef64009666a2b9b44f9
[INFO] running `Command { std: "docker" "start" "-a" "b2ecd2b3ef2bdf2bbfcd28820ad7dd4c8ec1b634c18dcef64009666a2b9b44f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.79
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.79
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking anymap2 v0.13.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling yew-macro v0.19.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking js-sys v0.3.56
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.56
[INFO] [stderr]     Checking gloo-timers v0.2.3
[INFO] [stderr]     Checking serde-wasm-bindgen v0.3.1
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.29
[INFO] [stderr]     Checking gloo-utils v0.1.2
[INFO] [stderr]     Checking gloo-events v0.1.1
[INFO] [stderr]     Checking gloo-console v0.2.1
[INFO] [stderr]     Checking gloo-dialogs v0.1.0
[INFO] [stderr]     Checking gloo-render v0.1.0
[INFO] [stderr]     Checking gloo-storage v0.2.0
[INFO] [stderr]     Checking gloo-worker v0.1.0
[INFO] [stderr]     Checking gloo-file v0.2.1
[INFO] [stderr]     Checking gloo-history v0.1.0
[INFO] [stderr]     Checking gloo v0.4.2
[INFO] [stderr]     Checking yew v0.19.3
[INFO] [stderr]     Checking gloo v0.6.0
[INFO] [stderr]     Checking yew-todo-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: All `<a>` elements should have a `href` attribute. This makes it possible for assistive technologies to correctly interpret what your links point to. https://developer.mozilla.org/en-US/docs/Learn/Accessibility/HTML#more_on_links
[INFO] [stdout]   --> src/components/filter.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     html! { <li><a class={ if props.selected {"selected"} else {""} } onclick={setfilter}>{ filter_string }</a></li> }
[INFO] [stdout]    |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: All `<a>` elements should have a `href` attribute. This makes it possible for assistive technologies to correctly interpret what your links point to. https://developer.mozilla.org/en-US/docs/Learn/Accessibility/HTML#more_on_links
[INFO] [stdout]   --> src/components/filter.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     html! { <li><a class={ if props.selected {"selected"} else {""} } onclick={setfilter}>{ filter_string }</a></li> }
[INFO] [stdout]    |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.79
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "b2ecd2b3ef2bdf2bbfcd28820ad7dd4c8ec1b634c18dcef64009666a2b9b44f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ecd2b3ef2bdf2bbfcd28820ad7dd4c8ec1b634c18dcef64009666a2b9b44f9", kill_on_drop: false }`
[INFO] [stdout] b2ecd2b3ef2bdf2bbfcd28820ad7dd4c8ec1b634c18dcef64009666a2b9b44f9
[INFO] checking moreal/yew-todo-mvc against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoreal%2Fyew-todo-mvc" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/moreal/yew-todo-mvc on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/moreal/yew-todo-mvc
[INFO] finished tweaking git repo https://github.com/moreal/yew-todo-mvc
[INFO] tweaked toml for git repo https://github.com/moreal/yew-todo-mvc written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/moreal/yew-todo-mvc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 757d8b1fbc769bc90476028c1c506d064748fe3409c5ab2bfa9bb1fde32e8f4b
[INFO] running `Command { std: "docker" "start" "-a" "757d8b1fbc769bc90476028c1c506d064748fe3409c5ab2bfa9bb1fde32e8f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757d8b1fbc769bc90476028c1c506d064748fe3409c5ab2bfa9bb1fde32e8f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757d8b1fbc769bc90476028c1c506d064748fe3409c5ab2bfa9bb1fde32e8f4b", kill_on_drop: false }`
[INFO] [stdout] 757d8b1fbc769bc90476028c1c506d064748fe3409c5ab2bfa9bb1fde32e8f4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6654c3985f0bc3d208ab521f7ec0948478fb75fea187e47804560336976ff0cb
[INFO] running `Command { std: "docker" "start" "-a" "6654c3985f0bc3d208ab521f7ec0948478fb75fea187e47804560336976ff0cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.79
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.79
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking anymap2 v0.13.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.79
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling yew-macro v0.19.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.79
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking js-sys v0.3.56
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.56
[INFO] [stderr]     Checking gloo-timers v0.2.3
[INFO] [stderr]     Checking serde-wasm-bindgen v0.3.1
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.29
[INFO] [stderr]     Checking gloo-utils v0.1.2
[INFO] [stderr]     Checking gloo-events v0.1.1
[INFO] [stderr]     Checking gloo-console v0.2.1
[INFO] [stderr]     Checking gloo-dialogs v0.1.0
[INFO] [stderr]     Checking gloo-render v0.1.0
[INFO] [stderr]     Checking gloo-storage v0.2.0
[INFO] [stderr]     Checking gloo-worker v0.1.0
[INFO] [stderr]     Checking gloo-file v0.2.1
[INFO] [stderr]     Checking gloo-history v0.1.0
[INFO] [stderr]     Checking gloo v0.4.2
[INFO] [stderr]     Checking yew v0.19.3
[INFO] [stderr]     Checking gloo v0.6.0
[INFO] [stderr]     Checking yew-todo-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: All `<a>` elements should have a `href` attribute. This makes it possible for assistive technologies to correctly interpret what your links point to. https://developer.mozilla.org/en-US/docs/Learn/Accessibility/HTML#more_on_links
[INFO] [stdout]   --> src/components/filter.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     html! { <li><a class={ if props.selected {"selected"} else {""} } onclick={setfilter}>{ filter_string }</a></li> }
[INFO] [stdout]    |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: All `<a>` elements should have a `href` attribute. This makes it possible for assistive technologies to correctly interpret what your links point to. https://developer.mozilla.org/en-US/docs/Learn/Accessibility/HTML#more_on_links
[INFO] [stdout]   --> src/components/filter.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     html! { <li><a class={ if props.selected {"selected"} else {""} } onclick={setfilter}>{ filter_string }</a></li> }
[INFO] [stdout]    |                  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.70s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.79
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "6654c3985f0bc3d208ab521f7ec0948478fb75fea187e47804560336976ff0cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6654c3985f0bc3d208ab521f7ec0948478fb75fea187e47804560336976ff0cb", kill_on_drop: false }`
[INFO] [stdout] 6654c3985f0bc3d208ab521f7ec0948478fb75fea187e47804560336976ff0cb