[INFO] fetching crate webapp-frontend 1.0.0...
[INFO] testing webapp-frontend-1.0.0 against 1.49.0 for beta-1.50-1
[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 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 69d257ae05c4b3bf28ec9de0c7ec382affaa8bd5de36e675103923630add3a6c
[INFO] running `Command { std: "docker" "start" "-a" "69d257ae05c4b3bf28ec9de0c7ec382affaa8bd5de36e675103923630add3a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69d257ae05c4b3bf28ec9de0c7ec382affaa8bd5de36e675103923630add3a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69d257ae05c4b3bf28ec9de0c7ec382affaa8bd5de36e675103923630add3a6c", kill_on_drop: false }`
[INFO] [stdout] 69d257ae05c4b3bf28ec9de0c7ec382affaa8bd5de36e675103923630add3a6c
[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" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd2ab1bffdd3361948d7641dbe87c597404f23c9d83d38c8963e1a519674c1b6
[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" "cd2ab1bffdd3361948d7641dbe87c597404f23c9d83d38c8963e1a519674c1b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling sass-sys v0.4.21
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[INFO] [stderr] error: could not compile `toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name toml --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/toml-0.5.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=e3bf680dc67fff61 -C extra-filename=-e3bf680dc67fff61 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-52298bd38bc67252.rmeta --cap-lints allow --cap-lints=warn` (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" "cd2ab1bffdd3361948d7641dbe87c597404f23c9d83d38c8963e1a519674c1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2ab1bffdd3361948d7641dbe87c597404f23c9d83d38c8963e1a519674c1b6", kill_on_drop: false }`
[INFO] [stdout] cd2ab1bffdd3361948d7641dbe87c597404f23c9d83d38c8963e1a519674c1b6