[INFO] cloning repository https://github.com/silkenweb/silkenweb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/silkenweb/silkenweb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilkenweb%2Fsilkenweb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilkenweb%2Fsilkenweb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a371accb6698cef8a8b3277d527271f42f8b5502
[INFO] checking silkenweb/silkenweb against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilkenweb%2Fsilkenweb" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/silkenweb/silkenweb on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/silkenweb/silkenweb
[INFO] finished tweaking git repo https://github.com/silkenweb/silkenweb
[INFO] tweaked toml for git repo https://github.com/silkenweb/silkenweb written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/silkenweb/silkenweb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded web-log v1.0.0
[INFO] [stderr]   Downloaded parse-display-derive v0.4.1
[INFO] [stderr]   Downloaded parse-display v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eefa3ce821b25b5bfb2f35c3a32557e97753eb74f89b35845d4119902c7277a
[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" "9eefa3ce821b25b5bfb2f35c3a32557e97753eb74f89b35845d4119902c7277a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eefa3ce821b25b5bfb2f35c3a32557e97753eb74f89b35845d4119902c7277a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eefa3ce821b25b5bfb2f35c3a32557e97753eb74f89b35845d4119902c7277a", kill_on_drop: false }`
[INFO] [stdout] 9eefa3ce821b25b5bfb2f35c3a32557e97753eb74f89b35845d4119902c7277a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd74cf3319c78091819a272836406a6e278432ad9e46273ec21d81a1721d461b
[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" "bd74cf3319c78091819a272836406a6e278432ad9e46273ec21d81a1721d461b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.23
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling parse-display-derive v0.4.1
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking wasm-bindgen v0.2.73
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-log v1.0.0
[INFO] [stderr]     Checking parse-display v0.4.1
[INFO] [stderr]     Checking web-sys v0.3.50
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.23
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.23
[INFO] [stderr]     Checking silkenweb-reactive v0.1.1 (/opt/rustwide/workdir/crates/reactive)
[INFO] [stderr]     Checking silkenweb-dom v0.1.1 (/opt/rustwide/workdir/crates/dom)
[INFO] [stderr]     Checking silkenweb-html v0.1.1 (/opt/rustwide/workdir/crates/html)
[INFO] [stderr]     Checking silkenweb v0.1.1 (/opt/rustwide/workdir/crates/silkenweb)
[INFO] [stderr]     Checking silkenweb-tutorial-common v0.1.0 (/opt/rustwide/workdir/tutorial/common)
[INFO] [stderr]     Checking silkenweb-ui5 v0.1.1 (/opt/rustwide/workdir/crates/ui5)
[INFO] [stderr]     Checking silkenweb-example-counter v0.1.0 (/opt/rustwide/workdir/examples/counter)
[INFO] [stderr]     Checking silkenweb-example-router v0.1.0 (/opt/rustwide/workdir/examples/router)
[INFO] [stderr]     Checking silkenweb-example-animation v0.1.0 (/opt/rustwide/workdir/examples/animation)
[INFO] [stderr]     Checking silkenweb-tutorial-counter-signal v0.1.0 (/opt/rustwide/workdir/tutorial/counter-signal)
[INFO] [stderr]     Checking silkenweb-example-hello-world v0.1.0 (/opt/rustwide/workdir/examples/hello-world)
[INFO] [stderr]     Checking silkenweb-examples-todomvc v0.1.0 (/opt/rustwide/workdir/examples/todomvc)
[INFO] [stderr]     Checking silkenweb-tutorial-memoized-counter-list v0.1.0 (/opt/rustwide/workdir/tutorial/memoized-counter-list)
[INFO] [stderr]     Checking silkenweb-tutorial-reactive-counter-list v0.1.0 (/opt/rustwide/workdir/tutorial/reactive-counter-list)
[INFO] [stderr]     Checking silkenweb-tutorial-counter v0.1.0 (/opt/rustwide/workdir/tutorial/counter)
[INFO] [stderr]     Checking silkenweb-tutorial-counter-list v0.1.0 (/opt/rustwide/workdir/tutorial/counter-list)
[INFO] [stderr]     Checking silkenweb-ui5-showcase v0.1.0 (/opt/rustwide/workdir/examples/ui5-showcase)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `Command { std: "docker" "inspect" "bd74cf3319c78091819a272836406a6e278432ad9e46273ec21d81a1721d461b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd74cf3319c78091819a272836406a6e278432ad9e46273ec21d81a1721d461b", kill_on_drop: false }`
[INFO] [stdout] bd74cf3319c78091819a272836406a6e278432ad9e46273ec21d81a1721d461b