[INFO] fetching crate extend 0.3.0...
[INFO] checking extend-0.3.0 against beta for pr-78714
[INFO] extracting crate extend 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate extend 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extend 0.3.0
[INFO] finished tweaking crates.io crate extend 0.3.0
[INFO] tweaked toml for crates.io crate extend 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07f0bd4a12ae30f9f1903f9f3fefe8e15f37440b6c6e55c0f22e5353303de763
[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" "07f0bd4a12ae30f9f1903f9f3fefe8e15f37440b6c6e55c0f22e5353303de763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07f0bd4a12ae30f9f1903f9f3fefe8e15f37440b6c6e55c0f22e5353303de763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f0bd4a12ae30f9f1903f9f3fefe8e15f37440b6c6e55c0f22e5353303de763", kill_on_drop: false }`
[INFO] [stdout] 07f0bd4a12ae30f9f1903f9f3fefe8e15f37440b6c6e55c0f22e5353303de763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae78b4fc04e9532ee8f12d006ba0c8c5e186630a2d3d656f6bc0fd3d8738e61
[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" "0ae78b4fc04e9532ee8f12d006ba0c8c5e186630a2d3d656f6bc0fd3d8738e61", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking extend v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.78s
[INFO] running `Command { std: "docker" "inspect" "0ae78b4fc04e9532ee8f12d006ba0c8c5e186630a2d3d656f6bc0fd3d8738e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae78b4fc04e9532ee8f12d006ba0c8c5e186630a2d3d656f6bc0fd3d8738e61", kill_on_drop: false }`
[INFO] [stdout] 0ae78b4fc04e9532ee8f12d006ba0c8c5e186630a2d3d656f6bc0fd3d8738e61