[INFO] cloning repository https://github.com/Extrawurst/rust-webview-todomvc-yew
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Extrawurst/rust-webview-todomvc-yew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExtrawurst%2Frust-webview-todomvc-yew", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExtrawurst%2Frust-webview-todomvc-yew'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f01c6943c1a3a394e088944f3ab3f71da713a5cb
[INFO] checking Extrawurst/rust-webview-todomvc-yew against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExtrawurst%2Frust-webview-todomvc-yew" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Extrawurst/rust-webview-todomvc-yew on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Extrawurst/rust-webview-todomvc-yew
[INFO] finished tweaking git repo https://github.com/Extrawurst/rust-webview-todomvc-yew
[INFO] tweaked toml for git repo https://github.com/Extrawurst/rust-webview-todomvc-yew written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Extrawurst/rust-webview-todomvc-yew already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded tokio-reactor v0.1.10
[INFO] [stderr]   Downloaded rust-embed-impl v5.1.0
[INFO] [stderr]   Downloaded rust-embed-utils v5.0.0
[INFO] [stderr]   Downloaded rust-embed v5.1.0
[INFO] [stderr]   Downloaded web-view v0.5.3
[INFO] [stderr]   Downloaded webview-sys v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b2e8eee296f9c94d6d109128e85bf80ff7d0d572edd555280ff26355de44251
[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" "2b2e8eee296f9c94d6d109128e85bf80ff7d0d572edd555280ff26355de44251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b2e8eee296f9c94d6d109128e85bf80ff7d0d572edd555280ff26355de44251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b2e8eee296f9c94d6d109128e85bf80ff7d0d572edd555280ff26355de44251", kill_on_drop: false }`
[INFO] [stdout] 2b2e8eee296f9c94d6d109128e85bf80ff7d0d572edd555280ff26355de44251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 3d243b146cbd2704551bc58b13a406da6ef345809282c7d47a261fcc4c704f53
[INFO] running `Command { std: "docker" "start" "-a" "3d243b146cbd2704551bc58b13a406da6ef345809282c7d47a261fcc4c704f53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]    Compiling webview-sys v0.3.2
[INFO] [stderr]    Compiling rust-embed-utils v5.0.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling rust-embed-impl v5.1.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking rust-embed v5.1.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking web-view v0.5.3
[INFO] [stderr]     Checking rust-webview-todomvc-yew v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.06s
[INFO] running `Command { std: "docker" "inspect" "3d243b146cbd2704551bc58b13a406da6ef345809282c7d47a261fcc4c704f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d243b146cbd2704551bc58b13a406da6ef345809282c7d47a261fcc4c704f53", kill_on_drop: false }`
[INFO] [stdout] 3d243b146cbd2704551bc58b13a406da6ef345809282c7d47a261fcc4c704f53