[INFO] fetching crate dart6ul-gpio 0.1.2...
[INFO] checking dart6ul-gpio-0.1.2 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate dart6ul-gpio 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dart6ul-gpio 0.1.2 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dart6ul-gpio 0.1.2
[INFO] finished tweaking crates.io crate dart6ul-gpio 0.1.2
[INFO] tweaked toml for crates.io crate dart6ul-gpio 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate dart6ul-gpio 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cf241ae38e381de639de28a1ebb50919ce5240400e2d11420e6b78abe03b212
[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" "1cf241ae38e381de639de28a1ebb50919ce5240400e2d11420e6b78abe03b212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf241ae38e381de639de28a1ebb50919ce5240400e2d11420e6b78abe03b212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf241ae38e381de639de28a1ebb50919ce5240400e2d11420e6b78abe03b212", kill_on_drop: false }`
[INFO] [stdout] 1cf241ae38e381de639de28a1ebb50919ce5240400e2d11420e6b78abe03b212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 243c1d306a785705b0a192e58e480e560a12b9e19d879afc8a0b2e39bfbd8c47
[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" "243c1d306a785705b0a192e58e480e560a12b9e19d879afc8a0b2e39bfbd8c47", kill_on_drop: false }`
[INFO] [stderr]     Checking dart6ul-gpio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "243c1d306a785705b0a192e58e480e560a12b9e19d879afc8a0b2e39bfbd8c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243c1d306a785705b0a192e58e480e560a12b9e19d879afc8a0b2e39bfbd8c47", kill_on_drop: false }`
[INFO] [stdout] 243c1d306a785705b0a192e58e480e560a12b9e19d879afc8a0b2e39bfbd8c47