[INFO] fetching crate dynamixel2 0.2.3...
[INFO] checking dynamixel2-0.2.3 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate dynamixel2 0.2.3 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate dynamixel2 0.2.3 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynamixel2 0.2.3
[INFO] finished tweaking crates.io crate dynamixel2 0.2.3
[INFO] tweaked toml for crates.io crate dynamixel2 0.2.3 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19edd446c4ebd4bfcd65f99e415286083b3af3de59cb77c7d3ac63ae6a58b6cb
[INFO] running `Command { std: "docker" "start" "-a" "19edd446c4ebd4bfcd65f99e415286083b3af3de59cb77c7d3ac63ae6a58b6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19edd446c4ebd4bfcd65f99e415286083b3af3de59cb77c7d3ac63ae6a58b6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19edd446c4ebd4bfcd65f99e415286083b3af3de59cb77c7d3ac63ae6a58b6cb", kill_on_drop: false }`
[INFO] [stdout] 19edd446c4ebd4bfcd65f99e415286083b3af3de59cb77c7d3ac63ae6a58b6cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ec489db9b2d40f7db42bb65be10a2a086715d0e358850bde12aa0200c4a5b3c
[INFO] running `Command { std: "docker" "start" "-a" "6ec489db9b2d40f7db42bb65be10a2a086715d0e358850bde12aa0200c4a5b3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking dynamixel2 v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling assert2-macros v0.3.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking assert2 v0.3.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.79s
[INFO] running `Command { std: "docker" "inspect" "6ec489db9b2d40f7db42bb65be10a2a086715d0e358850bde12aa0200c4a5b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec489db9b2d40f7db42bb65be10a2a086715d0e358850bde12aa0200c4a5b3c", kill_on_drop: false }`
[INFO] [stdout] 6ec489db9b2d40f7db42bb65be10a2a086715d0e358850bde12aa0200c4a5b3c