[INFO] fetching crate dynamixel2 0.3.1...
[INFO] testing dynamixel2-0.3.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate dynamixel2 0.3.1 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate dynamixel2 0.3.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynamixel2 0.3.1
[INFO] finished tweaking crates.io crate dynamixel2 0.3.1
[INFO] tweaked toml for crates.io crate dynamixel2 0.3.1 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert2-macros v0.3.6
[INFO] [stderr]   Downloaded assert2 v0.3.6
[INFO] [stderr]   Downloaded serial2 v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 913a231f54a6aa9d4e3139a183b290f2cbddb5aa46e4581b2710b01f5cfdbab0
[INFO] running `Command { std: "docker" "start" "-a" "913a231f54a6aa9d4e3139a183b290f2cbddb5aa46e4581b2710b01f5cfdbab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "913a231f54a6aa9d4e3139a183b290f2cbddb5aa46e4581b2710b01f5cfdbab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913a231f54a6aa9d4e3139a183b290f2cbddb5aa46e4581b2710b01f5cfdbab0", kill_on_drop: false }`
[INFO] [stdout] 913a231f54a6aa9d4e3139a183b290f2cbddb5aa46e4581b2710b01f5cfdbab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09ebac6dbe72fab947e3e095083ffd6569474ca73c5a57660352bca6b4c21e62
[INFO] running `Command { std: "docker" "start" "-a" "09ebac6dbe72fab947e3e095083ffd6569474ca73c5a57660352bca6b4c21e62", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serial2 v0.1.4
[INFO] [stderr]    Compiling dynamixel2 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "09ebac6dbe72fab947e3e095083ffd6569474ca73c5a57660352bca6b4c21e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ebac6dbe72fab947e3e095083ffd6569474ca73c5a57660352bca6b4c21e62", kill_on_drop: false }`
[INFO] [stdout] 09ebac6dbe72fab947e3e095083ffd6569474ca73c5a57660352bca6b4c21e62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cdf447d9aa3432e77d895d3fb6cd450a876a6ec49f5c609da6f4564ab2b6925
[INFO] running `Command { std: "docker" "start" "-a" "4cdf447d9aa3432e77d895d3fb6cd450a876a6ec49f5c609da6f4564ab2b6925", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling assert2-macros v0.3.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling assert2 v0.3.6
[INFO] [stderr]    Compiling dynamixel2 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.70s
[INFO] running `Command { std: "docker" "inspect" "4cdf447d9aa3432e77d895d3fb6cd450a876a6ec49f5c609da6f4564ab2b6925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cdf447d9aa3432e77d895d3fb6cd450a876a6ec49f5c609da6f4564ab2b6925", kill_on_drop: false }`
[INFO] [stdout] 4cdf447d9aa3432e77d895d3fb6cd450a876a6ec49f5c609da6f4564ab2b6925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ecd766cce52bf9020e9e67cbe1626dee187c499d0b12a20e6d5d19ccfaabc14d
[INFO] running `Command { std: "docker" "start" "-a" "ecd766cce52bf9020e9e67cbe1626dee187c499d0b12a20e6d5d19ccfaabc14d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dynamixel2-3028aa74f6c08089)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr]    Doc-tests dynamixel2
[INFO] [stdout] test bus::test::test_find_garbage_end ... ok
[INFO] [stdout] test bytestuff::test::test_stuff ... ok
[INFO] [stdout] test bytestuff::test::test_unstuff ... ok
[INFO] [stdout] test checksum::tests::test_calculate_checksum ... ok
[INFO] [stdout] test endian::test::test_read_u16_le ... ok
[INFO] [stdout] test endian::test::test_read_u32_le ... ok
[INFO] [stdout] test endian::test::test_write_u16_le ... ok
[INFO] [stdout] test endian::test::test_write_u32_le ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ecd766cce52bf9020e9e67cbe1626dee187c499d0b12a20e6d5d19ccfaabc14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd766cce52bf9020e9e67cbe1626dee187c499d0b12a20e6d5d19ccfaabc14d", kill_on_drop: false }`
[INFO] [stdout] ecd766cce52bf9020e9e67cbe1626dee187c499d0b12a20e6d5d19ccfaabc14d