[INFO] fetching crate dynamixel2 0.3.1...
[INFO] testing dynamixel2-0.3.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate dynamixel2 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dynamixel2 0.3.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial2 v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3a9435b689f9f6831965e7c7ccc81c6b95bedf76176f59d5068548e778b7469
[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" "d3a9435b689f9f6831965e7c7ccc81c6b95bedf76176f59d5068548e778b7469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3a9435b689f9f6831965e7c7ccc81c6b95bedf76176f59d5068548e778b7469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a9435b689f9f6831965e7c7ccc81c6b95bedf76176f59d5068548e778b7469", kill_on_drop: false }`
[INFO] [stdout] d3a9435b689f9f6831965e7c7ccc81c6b95bedf76176f59d5068548e778b7469
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1411d6601386b476736435a1814730502d35535e2b25d0f23a04d4b516efd1c
[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" "d1411d6601386b476736435a1814730502d35535e2b25d0f23a04d4b516efd1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serial2 v0.1.5
[INFO] [stderr]    Compiling dynamixel2 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "d1411d6601386b476736435a1814730502d35535e2b25d0f23a04d4b516efd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1411d6601386b476736435a1814730502d35535e2b25d0f23a04d4b516efd1c", kill_on_drop: false }`
[INFO] [stdout] d1411d6601386b476736435a1814730502d35535e2b25d0f23a04d4b516efd1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--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] 9c44ca8904e409ff967ec9c0c42b32563ccf9508b25d93156f708097e8955a10
[INFO] running `Command { std: "docker" "start" "-a" "9c44ca8904e409ff967ec9c0c42b32563ccf9508b25d93156f708097e8955a10", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling assert2-macros v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[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 31.37s
[INFO] running `Command { std: "docker" "inspect" "9c44ca8904e409ff967ec9c0c42b32563ccf9508b25d93156f708097e8955a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c44ca8904e409ff967ec9c0c42b32563ccf9508b25d93156f708097e8955a10", kill_on_drop: false }`
[INFO] [stdout] 9c44ca8904e409ff967ec9c0c42b32563ccf9508b25d93156f708097e8955a10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 321aa33ba4e6ef8224b84c8e4197a108a093acee3db79e59b2d9b1cef9714096
[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" "321aa33ba4e6ef8224b84c8e4197a108a093acee3db79e59b2d9b1cef9714096", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dynamixel2-9684ac8b71853c5a)
[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 endian::test::test_write_u16_le ... ok
[INFO] [stdout] test endian::test::test_write_u32_le ... ok
[INFO] [stdout] test endian::test::test_read_u16_le ... ok
[INFO] [stdout] test checksum::tests::test_calculate_checksum ... ok
[INFO] [stderr]    Doc-tests dynamixel2
[INFO] [stdout] test endian::test::test_read_u32_le ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "321aa33ba4e6ef8224b84c8e4197a108a093acee3db79e59b2d9b1cef9714096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "321aa33ba4e6ef8224b84c8e4197a108a093acee3db79e59b2d9b1cef9714096", kill_on_drop: false }`
[INFO] [stdout] 321aa33ba4e6ef8224b84c8e4197a108a093acee3db79e59b2d9b1cef9714096