[INFO] fetching crate webapp-frontend 1.0.0...
[INFO] documenting webapp-frontend-1.0.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate webapp-frontend 1.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate webapp-frontend 1.0.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webapp-frontend 1.0.0
[INFO] finished tweaking crates.io crate webapp-frontend 1.0.0
[INFO] tweaked toml for crates.io crate webapp-frontend 1.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yew-router v0.2.0
[INFO] [stderr]   Downloaded webapp v1.0.0
[INFO] [stderr]   Downloaded yew v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7da2470c2e9af36d9312819fc14ef9266a0c5e934450f458975dca0ee8a8a46
[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" "d7da2470c2e9af36d9312819fc14ef9266a0c5e934450f458975dca0ee8a8a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7da2470c2e9af36d9312819fc14ef9266a0c5e934450f458975dca0ee8a8a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7da2470c2e9af36d9312819fc14ef9266a0c5e934450f458975dca0ee8a8a46", kill_on_drop: false }`
[INFO] [stdout] d7da2470c2e9af36d9312819fc14ef9266a0c5e934450f458975dca0ee8a8a46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ec7c33dce43aea98656ce53cb5b5bb0dac9895c67b883b1fa2df441ac2038d6
[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" "1ec7c33dce43aea98656ce53cb5b5bb0dac9895c67b883b1fa2df441ac2038d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling sass-sys v0.4.21
[INFO] [stderr] error: could not compile `stdweb-derive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stdweb_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-derive-0.5.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -Cembed-bitcode=no -C debuginfo=2 -C metadata=be1bd4b96afc0da9 -C extra-filename=-be1bd4b96afc0da9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-71c5aa24984e0547.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-86659819dd43cd20.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-81c24a2674e44745.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-39eb620c1185a1a0.so --extern syn=/opt/rustwide/target/debug/deps/libsyn-b74a3cd011d654cd.rlib --extern proc_macro --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1ec7c33dce43aea98656ce53cb5b5bb0dac9895c67b883b1fa2df441ac2038d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec7c33dce43aea98656ce53cb5b5bb0dac9895c67b883b1fa2df441ac2038d6", kill_on_drop: false }`
[INFO] [stdout] 1ec7c33dce43aea98656ce53cb5b5bb0dac9895c67b883b1fa2df441ac2038d6