[INFO] fetching crate dynamixel2 0.3.1...
[INFO] testing dynamixel2-0.3.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate dynamixel2 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dynamixel2 0.3.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1c17e0b5f13d6bb45d57227b835898905c997b11602f29873c163cda74a2eeb
[INFO] running `Command { std: "docker" "start" "-a" "d1c17e0b5f13d6bb45d57227b835898905c997b11602f29873c163cda74a2eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1c17e0b5f13d6bb45d57227b835898905c997b11602f29873c163cda74a2eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c17e0b5f13d6bb45d57227b835898905c997b11602f29873c163cda74a2eeb", kill_on_drop: false }`
[INFO] [stdout] d1c17e0b5f13d6bb45d57227b835898905c997b11602f29873c163cda74a2eeb
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa7c6490cb0520461fca8a0968c797c6c8460aee7865c81440b105db05051fe4
[INFO] running `Command { std: "docker" "start" "-a" "fa7c6490cb0520461fca8a0968c797c6c8460aee7865c81440b105db05051fe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial2 v0.1.6
[INFO] [stderr]    Compiling dynamixel2 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "fa7c6490cb0520461fca8a0968c797c6c8460aee7865c81440b105db05051fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7c6490cb0520461fca8a0968c797c6c8460aee7865c81440b105db05051fe4", kill_on_drop: false }`
[INFO] [stdout] fa7c6490cb0520461fca8a0968c797c6c8460aee7865c81440b105db05051fe4
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0ca222fbd5308477479c4a860d8d39508206afb71539ca1588f843d949afca1
[INFO] running `Command { std: "docker" "start" "-a" "d0ca222fbd5308477479c4a860d8d39508206afb71539ca1588f843d949afca1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling assert2-macros v0.3.6
[INFO] [stderr]    Compiling regex v1.5.5
[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 7.02s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/dynamixel2-dec404eceedca059)
[INFO] running `Command { std: "docker" "inspect" "d0ca222fbd5308477479c4a860d8d39508206afb71539ca1588f843d949afca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ca222fbd5308477479c4a860d8d39508206afb71539ca1588f843d949afca1", kill_on_drop: false }`
[INFO] [stdout] d0ca222fbd5308477479c4a860d8d39508206afb71539ca1588f843d949afca1
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bbb2bce07394dedc06c8ead7a9e26806a7423403129ce6e23034c20f652f34e
[INFO] running `Command { std: "docker" "start" "-a" "1bbb2bce07394dedc06c8ead7a9e26806a7423403129ce6e23034c20f652f34e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dynamixel2-dec404eceedca059)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test bus::test::test_find_garbage_end ... 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 bytestuff::test::test_stuff ... 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 0.00s
[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" "1bbb2bce07394dedc06c8ead7a9e26806a7423403129ce6e23034c20f652f34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbb2bce07394dedc06c8ead7a9e26806a7423403129ce6e23034c20f652f34e", kill_on_drop: false }`
[INFO] [stdout] 1bbb2bce07394dedc06c8ead7a9e26806a7423403129ce6e23034c20f652f34e