[INFO] fetching crate dynamixel2 0.1.3...
[INFO] checking dynamixel2-0.1.3 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate dynamixel2 0.1.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate dynamixel2 0.1.3 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynamixel2 0.1.3
[INFO] finished tweaking crates.io crate dynamixel2 0.1.3
[INFO] tweaked toml for crates.io crate dynamixel2 0.1.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate dynamixel2 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert2 v0.2.1
[INFO] [stderr]   Downloaded assert2-macros v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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] 6d5f3f67bf35b00fac60810d221560aed8a0fc8d6cfeb5a56d334097febf6772
[INFO] running `Command { std: "docker" "start" "-a" "6d5f3f67bf35b00fac60810d221560aed8a0fc8d6cfeb5a56d334097febf6772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d5f3f67bf35b00fac60810d221560aed8a0fc8d6cfeb5a56d334097febf6772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5f3f67bf35b00fac60810d221560aed8a0fc8d6cfeb5a56d334097febf6772", kill_on_drop: false }`
[INFO] [stdout] 6d5f3f67bf35b00fac60810d221560aed8a0fc8d6cfeb5a56d334097febf6772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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] 8a475a95d7f3d9a92b1b3a93222df6c377b068c7252a16b47643dc15d088de4d
[INFO] running `Command { std: "docker" "start" "-a" "8a475a95d7f3d9a92b1b3a93222df6c377b068c7252a16b47643dc15d088de4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking dynamixel2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling assert2-macros v0.2.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking assert2 v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.06s
[INFO] running `Command { std: "docker" "inspect" "8a475a95d7f3d9a92b1b3a93222df6c377b068c7252a16b47643dc15d088de4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a475a95d7f3d9a92b1b3a93222df6c377b068c7252a16b47643dc15d088de4d", kill_on_drop: false }`
[INFO] [stdout] 8a475a95d7f3d9a92b1b3a93222df6c377b068c7252a16b47643dc15d088de4d