[INFO] fetching crate vermilionrc 0.0.0-unreleased...
[INFO] checking vermilionrc-0.0.0-unreleased against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate vermilionrc 0.0.0-unreleased into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vermilionrc 0.0.0-unreleased on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vermilionrc 0.0.0-unreleased
[INFO] finished tweaking crates.io crate vermilionrc 0.0.0-unreleased
[INFO] tweaked toml for crates.io crate vermilionrc 0.0.0-unreleased written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate vermilionrc 0.0.0-unreleased already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd9d4210b5c85dff385a7d80b9f72f4862c413fcf922488d7147feb36030462e
[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" "cd9d4210b5c85dff385a7d80b9f72f4862c413fcf922488d7147feb36030462e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd9d4210b5c85dff385a7d80b9f72f4862c413fcf922488d7147feb36030462e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9d4210b5c85dff385a7d80b9f72f4862c413fcf922488d7147feb36030462e", kill_on_drop: false }`
[INFO] [stdout] cd9d4210b5c85dff385a7d80b9f72f4862c413fcf922488d7147feb36030462e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ec9e08cd7d9d7d4d35d5043825a4728dcec672c8c0b312240c3faac7a4e125d
[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" "7ec9e08cd7d9d7d4d35d5043825a4728dcec672c8c0b312240c3faac7a4e125d", kill_on_drop: false }`
[INFO] [stderr]     Checking vermilionrc v0.0.0-unreleased (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "7ec9e08cd7d9d7d4d35d5043825a4728dcec672c8c0b312240c3faac7a4e125d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec9e08cd7d9d7d4d35d5043825a4728dcec672c8c0b312240c3faac7a4e125d", kill_on_drop: false }`
[INFO] [stdout] 7ec9e08cd7d9d7d4d35d5043825a4728dcec672c8c0b312240c3faac7a4e125d