[INFO] fetching crate multiwii_serial_protocol_v2 0.1.12...
[INFO] checking multiwii_serial_protocol_v2-0.1.12 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate multiwii_serial_protocol_v2 0.1.12 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate multiwii_serial_protocol_v2 0.1.12 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multiwii_serial_protocol_v2 0.1.12
[INFO] finished tweaking crates.io crate multiwii_serial_protocol_v2 0.1.12
[INFO] tweaked toml for crates.io crate multiwii_serial_protocol_v2 0.1.12 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded packed_struct v0.3.1
[INFO] [stderr]   Downloaded packed_struct_codegen v0.3.1
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5e3e80fc03bb7cc13f3351f29564546f2ee3bc50ab2535025d3bcf94c238bac
[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" "a5e3e80fc03bb7cc13f3351f29564546f2ee3bc50ab2535025d3bcf94c238bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5e3e80fc03bb7cc13f3351f29564546f2ee3bc50ab2535025d3bcf94c238bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e3e80fc03bb7cc13f3351f29564546f2ee3bc50ab2535025d3bcf94c238bac", kill_on_drop: false }`
[INFO] [stdout] a5e3e80fc03bb7cc13f3351f29564546f2ee3bc50ab2535025d3bcf94c238bac
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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] c728199ce4959f0a19a74ac9152304fb9819ea2a613654f9110645b70e8dfb8e
[INFO] running `Command { std: "docker" "start" "-a" "c728199ce4959f0a19a74ac9152304fb9819ea2a613654f9110645b70e8dfb8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling packed_struct v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking debug-helper v0.3.10
[INFO] [stderr]     Checking crc-any v2.3.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling packed_struct_codegen v0.3.1
[INFO] [stderr]     Checking multiwii_serial_protocol_v2 v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.41s
[INFO] running `Command { std: "docker" "inspect" "c728199ce4959f0a19a74ac9152304fb9819ea2a613654f9110645b70e8dfb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c728199ce4959f0a19a74ac9152304fb9819ea2a613654f9110645b70e8dfb8e", kill_on_drop: false }`
[INFO] [stdout] c728199ce4959f0a19a74ac9152304fb9819ea2a613654f9110645b70e8dfb8e