[INFO] fetching crate dynamixel2 0.1.3...
[INFO] checking dynamixel2-0.1.3 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate dynamixel2 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dynamixel2 0.1.3 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83127a37e62000834dc4fd00c936b5cc798134d672084296b50a132a37249cfb
[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" "83127a37e62000834dc4fd00c936b5cc798134d672084296b50a132a37249cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83127a37e62000834dc4fd00c936b5cc798134d672084296b50a132a37249cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83127a37e62000834dc4fd00c936b5cc798134d672084296b50a132a37249cfb", kill_on_drop: false }`
[INFO] [stdout] 83127a37e62000834dc4fd00c936b5cc798134d672084296b50a132a37249cfb
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be10fc4cdb4214e3ebb8bff47848c5b9ec6243e81726c97ceea48fc0a48a5aa8
[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" "be10fc4cdb4214e3ebb8bff47848c5b9ec6243e81726c97ceea48fc0a48a5aa8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking dynamixel2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling assert2-macros v0.2.1
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking assert2 v0.2.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.84s
[INFO] running `Command { std: "docker" "inspect" "be10fc4cdb4214e3ebb8bff47848c5b9ec6243e81726c97ceea48fc0a48a5aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be10fc4cdb4214e3ebb8bff47848c5b9ec6243e81726c97ceea48fc0a48a5aa8", kill_on_drop: false }`
[INFO] [stdout] be10fc4cdb4214e3ebb8bff47848c5b9ec6243e81726c97ceea48fc0a48a5aa8