[INFO] fetching crate multiwii_serial_protocol 0.1.1...
[INFO] checking multiwii_serial_protocol-0.1.1 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate multiwii_serial_protocol 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate multiwii_serial_protocol 0.1.1 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multiwii_serial_protocol 0.1.1
[INFO] finished tweaking crates.io crate multiwii_serial_protocol 0.1.1
[INFO] tweaked toml for crates.io crate multiwii_serial_protocol 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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" "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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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] 9947724b6c657b2f4456bcf2c6b23054affd235afdca5bb077738da28fb6a831
[INFO] running `Command { std: "docker" "start" "-a" "9947724b6c657b2f4456bcf2c6b23054affd235afdca5bb077738da28fb6a831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9947724b6c657b2f4456bcf2c6b23054affd235afdca5bb077738da28fb6a831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9947724b6c657b2f4456bcf2c6b23054affd235afdca5bb077738da28fb6a831", kill_on_drop: false }`
[INFO] [stdout] 9947724b6c657b2f4456bcf2c6b23054affd235afdca5bb077738da28fb6a831
[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" "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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 5f1340c7a0e7bf94d576b2ba3029d88d2cda0ac297f3859d4db6ea221703c6dc
[INFO] running `Command { std: "docker" "start" "-a" "5f1340c7a0e7bf94d576b2ba3029d88d2cda0ac297f3859d4db6ea221703c6dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling packed_struct v0.2.3
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling packed_struct_codegen v0.2.4
[INFO] [stderr]     Checking multiwii_serial_protocol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.73s
[INFO] running `Command { std: "docker" "inspect" "5f1340c7a0e7bf94d576b2ba3029d88d2cda0ac297f3859d4db6ea221703c6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1340c7a0e7bf94d576b2ba3029d88d2cda0ac297f3859d4db6ea221703c6dc", kill_on_drop: false }`
[INFO] [stdout] 5f1340c7a0e7bf94d576b2ba3029d88d2cda0ac297f3859d4db6ea221703c6dc