[INFO] fetching crate dynamixel2 0.2.3...
[INFO] testing dynamixel2-0.2.3 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate dynamixel2 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dynamixel2 0.2.3 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f23a5e37a7c936fbb094dfa6c0ea32160cfcfb6e4842fbe8ed4633e53c4fc3f2
[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" "f23a5e37a7c936fbb094dfa6c0ea32160cfcfb6e4842fbe8ed4633e53c4fc3f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f23a5e37a7c936fbb094dfa6c0ea32160cfcfb6e4842fbe8ed4633e53c4fc3f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f23a5e37a7c936fbb094dfa6c0ea32160cfcfb6e4842fbe8ed4633e53c4fc3f2", kill_on_drop: false }`
[INFO] [stdout] f23a5e37a7c936fbb094dfa6c0ea32160cfcfb6e4842fbe8ed4633e53c4fc3f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0357252fa35546471f8085f90529cb6ff39d5d87cdf23d5d34fd37e3d443b86f
[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" "0357252fa35546471f8085f90529cb6ff39d5d87cdf23d5d34fd37e3d443b86f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dynamixel2 v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "0357252fa35546471f8085f90529cb6ff39d5d87cdf23d5d34fd37e3d443b86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0357252fa35546471f8085f90529cb6ff39d5d87cdf23d5d34fd37e3d443b86f", kill_on_drop: false }`
[INFO] [stdout] 0357252fa35546471f8085f90529cb6ff39d5d87cdf23d5d34fd37e3d443b86f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 527dc529d4533df34e9cde7c57ff1e6ade1ac43afa4d461ae1ca7762a9eb511d
[INFO] running `Command { std: "docker" "start" "-a" "527dc529d4533df34e9cde7c57ff1e6ade1ac43afa4d461ae1ca7762a9eb511d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling assert2-macros v0.3.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling assert2 v0.3.6
[INFO] [stderr]    Compiling dynamixel2 v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.90s
[INFO] running `Command { std: "docker" "inspect" "527dc529d4533df34e9cde7c57ff1e6ade1ac43afa4d461ae1ca7762a9eb511d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "527dc529d4533df34e9cde7c57ff1e6ade1ac43afa4d461ae1ca7762a9eb511d", kill_on_drop: false }`
[INFO] [stdout] 527dc529d4533df34e9cde7c57ff1e6ade1ac43afa4d461ae1ca7762a9eb511d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1df2f5a90d660f392ba272f6f5202f7420125bd9b7727f5e2211cce45e55351
[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" "c1df2f5a90d660f392ba272f6f5202f7420125bd9b7727f5e2211cce45e55351", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dynamixel2-ec3dc59ef1b43445)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test bytestuff::test::test_unstuff ... ok
[INFO] [stdout] test endian::test::test_read_u16_le ... ok
[INFO] [stdout] test bus::test::test_find_garbage_end ... 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] test checksum::tests::test_calculate_checksum ... ok
[INFO] [stdout] test bytestuff::test::test_stuff ... 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] [stderr]    Doc-tests dynamixel2
[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" "c1df2f5a90d660f392ba272f6f5202f7420125bd9b7727f5e2211cce45e55351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1df2f5a90d660f392ba272f6f5202f7420125bd9b7727f5e2211cce45e55351", kill_on_drop: false }`
[INFO] [stdout] c1df2f5a90d660f392ba272f6f5202f7420125bd9b7727f5e2211cce45e55351