[INFO] fetching crate dynamixel2 0.9.1...
[INFO] checking dynamixel2-0.9.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate dynamixel2 0.9.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dynamixel2 0.9.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynamixel2 0.9.1
[INFO] finished tweaking crates.io crate dynamixel2 0.9.1
[INFO] tweaked toml for crates.io crate dynamixel2 0.9.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.5)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert2-macros v0.3.15
[INFO] [stderr]   Downloaded serial2 v0.2.26
[INFO] [stderr]   Downloaded assert2 v0.3.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd3cd97788964af4ce2aa5b728ea7c5bf72cd69849bb5337f3474ac4a9ba2838
[INFO] running `Command { std: "docker" "start" "-a" "dd3cd97788964af4ce2aa5b728ea7c5bf72cd69849bb5337f3474ac4a9ba2838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd3cd97788964af4ce2aa5b728ea7c5bf72cd69849bb5337f3474ac4a9ba2838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3cd97788964af4ce2aa5b728ea7c5bf72cd69849bb5337f3474ac4a9ba2838", kill_on_drop: false }`
[INFO] [stdout] dd3cd97788964af4ce2aa5b728ea7c5bf72cd69849bb5337f3474ac4a9ba2838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0008b4c62e4ff83b7e37b4e4ced811dad68fd0b80165a39abb1c702df72ec095
[INFO] running `Command { std: "docker" "start" "-a" "0008b4c62e4ff83b7e37b4e4ced811dad68fd0b80165a39abb1c702df72ec095", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert2-macros v0.3.15
[INFO] [stderr]     Checking serial2 v0.2.26
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking dynamixel2 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert2 v0.3.15
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.08s
[INFO] running `Command { std: "docker" "inspect" "0008b4c62e4ff83b7e37b4e4ced811dad68fd0b80165a39abb1c702df72ec095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0008b4c62e4ff83b7e37b4e4ced811dad68fd0b80165a39abb1c702df72ec095", kill_on_drop: false }`
[INFO] [stdout] 0008b4c62e4ff83b7e37b4e4ced811dad68fd0b80165a39abb1c702df72ec095
[INFO] checking dynamixel2-0.9.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate dynamixel2 0.9.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate dynamixel2 0.9.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynamixel2 0.9.1
[INFO] finished tweaking crates.io crate dynamixel2 0.9.1
[INFO] tweaked toml for crates.io crate dynamixel2 0.9.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.5)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 284ba0ff0bef3dc1100277adc6714b0a4f635dd271ccc3a2d07b8eb7828b1756
[INFO] running `Command { std: "docker" "start" "-a" "284ba0ff0bef3dc1100277adc6714b0a4f635dd271ccc3a2d07b8eb7828b1756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "284ba0ff0bef3dc1100277adc6714b0a4f635dd271ccc3a2d07b8eb7828b1756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284ba0ff0bef3dc1100277adc6714b0a4f635dd271ccc3a2d07b8eb7828b1756", kill_on_drop: false }`
[INFO] [stdout] 284ba0ff0bef3dc1100277adc6714b0a4f635dd271ccc3a2d07b8eb7828b1756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e8b431cd78730c3c4508c6fd0107a8eb594653b78406fde9ff4004fa80f64d8
[INFO] running `Command { std: "docker" "start" "-a" "1e8b431cd78730c3c4508c6fd0107a8eb594653b78406fde9ff4004fa80f64d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert2-macros v0.3.15
[INFO] [stderr]     Checking serial2 v0.2.26
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking dynamixel2 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert2 v0.3.15
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "1e8b431cd78730c3c4508c6fd0107a8eb594653b78406fde9ff4004fa80f64d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8b431cd78730c3c4508c6fd0107a8eb594653b78406fde9ff4004fa80f64d8", kill_on_drop: false }`
[INFO] [stdout] 1e8b431cd78730c3c4508c6fd0107a8eb594653b78406fde9ff4004fa80f64d8