[INFO] fetching crate vermilion 0.0.0-unreleased...
[INFO] checking vermilion-0.0.0-unreleased against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate vermilion 0.0.0-unreleased into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate vermilion 0.0.0-unreleased on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vermilion 0.0.0-unreleased
[INFO] finished tweaking crates.io crate vermilion 0.0.0-unreleased
[INFO] tweaked toml for crates.io crate vermilion 0.0.0-unreleased written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate vermilion 0.0.0-unreleased already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b0861e802e429b925b6f0327742b8a3104413dfd62854b5a95f627cfd44935e
[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" "0b0861e802e429b925b6f0327742b8a3104413dfd62854b5a95f627cfd44935e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b0861e802e429b925b6f0327742b8a3104413dfd62854b5a95f627cfd44935e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0861e802e429b925b6f0327742b8a3104413dfd62854b5a95f627cfd44935e", kill_on_drop: false }`
[INFO] [stdout] 0b0861e802e429b925b6f0327742b8a3104413dfd62854b5a95f627cfd44935e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 004ace5f060f4fd45578d1ccb1eb42362fad4137ffa7c264eeed962e1eab6042
[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" "004ace5f060f4fd45578d1ccb1eb42362fad4137ffa7c264eeed962e1eab6042", kill_on_drop: false }`
[INFO] [stderr]     Checking vermilion v0.0.0-unreleased (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "004ace5f060f4fd45578d1ccb1eb42362fad4137ffa7c264eeed962e1eab6042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004ace5f060f4fd45578d1ccb1eb42362fad4137ffa7c264eeed962e1eab6042", kill_on_drop: false }`
[INFO] [stdout] 004ace5f060f4fd45578d1ccb1eb42362fad4137ffa7c264eeed962e1eab6042