[INFO] fetching crate rmodbus 0.5.2...
[INFO] testing rmodbus-0.5.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rmodbus 0.5.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rmodbus 0.5.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmodbus 0.5.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rmodbus 0.5.2
[INFO] tweaked toml for crates.io crate rmodbus 0.5.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rmodbus 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27908a0a9e12d331d73d238e7679017d8efed9e1d0ff100c8009cebd172596a5
[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" "27908a0a9e12d331d73d238e7679017d8efed9e1d0ff100c8009cebd172596a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27908a0a9e12d331d73d238e7679017d8efed9e1d0ff100c8009cebd172596a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27908a0a9e12d331d73d238e7679017d8efed9e1d0ff100c8009cebd172596a5", kill_on_drop: false }`
[INFO] [stdout] 27908a0a9e12d331d73d238e7679017d8efed9e1d0ff100c8009cebd172596a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34d8b7a80cc9017b97eaf2e4ac3d17bd9de872ac2ee2fae9ebc3c8eeb88ec3fd
[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" "34d8b7a80cc9017b97eaf2e4ac3d17bd9de872ac2ee2fae9ebc3c8eeb88ec3fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling fixedvec v0.2.4
[INFO] [stderr]    Compiling rmodbus v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "34d8b7a80cc9017b97eaf2e4ac3d17bd9de872ac2ee2fae9ebc3c8eeb88ec3fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d8b7a80cc9017b97eaf2e4ac3d17bd9de872ac2ee2fae9ebc3c8eeb88ec3fd", kill_on_drop: false }`
[INFO] [stdout] 34d8b7a80cc9017b97eaf2e4ac3d17bd9de872ac2ee2fae9ebc3c8eeb88ec3fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 588b4bd827b3e062a593826a6bcc52587804f062fa96baede40d2a5d86034bb7
[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" "588b4bd827b3e062a593826a6bcc52587804f062fa96baede40d2a5d86034bb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rmodbus v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.77s
[INFO] running `Command { std: "docker" "inspect" "588b4bd827b3e062a593826a6bcc52587804f062fa96baede40d2a5d86034bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588b4bd827b3e062a593826a6bcc52587804f062fa96baede40d2a5d86034bb7", kill_on_drop: false }`
[INFO] [stdout] 588b4bd827b3e062a593826a6bcc52587804f062fa96baede40d2a5d86034bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 7303046cd57db7828d16166d57e94b164b4060454cabb3ebe7c29d4c2e1bd923
[INFO] running `Command { std: "docker" "start" "-a" "7303046cd57db7828d16166d57e94b164b4060454cabb3ebe7c29d4c2e1bd923", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rmodbus-440c021e4596ef73
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::test_std_client ... ok
[INFO] [stdout] test tests::test_modbus_ascii ... ok
[INFO] [stdout] test tests::test_std_coil_get_set_bulk ... ok
[INFO] [stdout] test tests::test_std_get_bools_as_u8 ... ok
[INFO] [stdout] test tests::test_std_get_set_inputs ... ok
[INFO] [stdout] test tests::test_std_frame_fc16 ... ok
[INFO] [stdout] test tests::test_std_discrete_get_set_bulk ... ok
[INFO] [stdout] test tests::test_std_frame_fc01_fc02_fc03_fc04_unknown_function ... ok
[INFO] [stdout] test tests::test_std_get_set_bools_as_u8 ... ok
[INFO] [stdout] test tests::test_std_frame_fc05_fc06 ... ok
[INFO] [stdout] test tests::test_std_get_set_holdings ... ok
[INFO] [stdout] test tests::test_std_frame_fc15 ... ok
[INFO] [stdout] test tests::test_std_get_set_regs_as_u8 ... ok
[INFO] [stdout] test tests::test_std_read_holdings_as_bytes_oob ... ok
[INFO] [stdout] test tests::test_std_read_discretes_as_bytes_oob ... ok
[INFO] [stdout] test tests::test_std_read_coils_as_bytes_oob ... ok
[INFO] [stdout] test tests::test_std_read_inputs_as_bytes_oob ... ok
[INFO] [stderr]    Doc-tests rmodbus
[INFO] [stdout] test tests::test_std_dump_restore ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 122) ... ignored
[INFO] [stdout] test src/lib.rs - (line 221) ... ignored
[INFO] [stdout] test src/lib.rs - (line 36) ... ignored
[INFO] [stdout] test src/server.rs - server::ModbusFrame (line 22) ... ok
[INFO] [stdout] test src/context.rs - server::context::ModbusContext::iter (line 260) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7303046cd57db7828d16166d57e94b164b4060454cabb3ebe7c29d4c2e1bd923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7303046cd57db7828d16166d57e94b164b4060454cabb3ebe7c29d4c2e1bd923", kill_on_drop: false }`
[INFO] [stdout] 7303046cd57db7828d16166d57e94b164b4060454cabb3ebe7c29d4c2e1bd923