[INFO] fetching crate rmodbus 0.5.4...
[INFO] testing rmodbus-0.5.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rmodbus 0.5.4 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate rmodbus 0.5.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmodbus 0.5.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rmodbus 0.5.4
[INFO] tweaked toml for crates.io crate rmodbus 0.5.4 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate crates.io crate rmodbus 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f31851f2b2eed170ff181ebe0480dfe249a5afcb4c555b559553c2269e516ed5
[INFO] running `Command { std: "docker" "start" "-a" "f31851f2b2eed170ff181ebe0480dfe249a5afcb4c555b559553c2269e516ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f31851f2b2eed170ff181ebe0480dfe249a5afcb4c555b559553c2269e516ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f31851f2b2eed170ff181ebe0480dfe249a5afcb4c555b559553c2269e516ed5", kill_on_drop: false }`
[INFO] [stdout] f31851f2b2eed170ff181ebe0480dfe249a5afcb4c555b559553c2269e516ed5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1799eeeb4b4d9a603c1c1480de49c3a8435a215fd2d57cc62bf68f75b78b0abf
[INFO] running `Command { std: "docker" "start" "-a" "1799eeeb4b4d9a603c1c1480de49c3a8435a215fd2d57cc62bf68f75b78b0abf", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedvec v0.2.4
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling rmodbus v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "1799eeeb4b4d9a603c1c1480de49c3a8435a215fd2d57cc62bf68f75b78b0abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1799eeeb4b4d9a603c1c1480de49c3a8435a215fd2d57cc62bf68f75b78b0abf", kill_on_drop: false }`
[INFO] [stdout] 1799eeeb4b4d9a603c1c1480de49c3a8435a215fd2d57cc62bf68f75b78b0abf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0411b7a7a81a4f2d66bacefd11e1fe59de93904a7313cb0c525450d55efc5a78
[INFO] running `Command { std: "docker" "start" "-a" "0411b7a7a81a4f2d66bacefd11e1fe59de93904a7313cb0c525450d55efc5a78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[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 getrandom v0.1.15
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling serial-unix v0.4.0
[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 v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "0411b7a7a81a4f2d66bacefd11e1fe59de93904a7313cb0c525450d55efc5a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0411b7a7a81a4f2d66bacefd11e1fe59de93904a7313cb0c525450d55efc5a78", kill_on_drop: false }`
[INFO] [stdout] 0411b7a7a81a4f2d66bacefd11e1fe59de93904a7313cb0c525450d55efc5a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d0a28af4b5a41874b4f0157f3a1510880abde92f62def1d9e827f34324bf232
[INFO] running `Command { std: "docker" "start" "-a" "1d0a28af4b5a41874b4f0157f3a1510880abde92f62def1d9e827f34324bf232", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rmodbus-d2cc5d406ad22718)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::test_std_coil_get_set_bulk ... ok
[INFO] [stdout] test tests::test_modbus_ascii ... ok
[INFO] [stdout] test tests::test_std_discrete_get_set_bulk ... ok
[INFO] [stdout] test tests::test_std_client ... ok
[INFO] [stdout] test tests::test_std_frame_fc01_fc02_fc03_fc04_unknown_function ... ok
[INFO] [stdout] test tests::test_std_frame_fc15 ... ok
[INFO] [stdout] test tests::test_std_frame_fc05_fc06 ... ok
[INFO] [stdout] test tests::test_std_frame_fc16 ... ok
[INFO] [stdout] test tests::test_std_get_bools_as_u8 ... ok
[INFO] [stdout] test tests::test_std_get_set_bools_as_u8 ... ok
[INFO] [stdout] test tests::test_std_get_set_inputs ... ok
[INFO] [stdout] test tests::test_std_get_set_holdings ... ok
[INFO] [stdout] test tests::test_std_get_set_regs_as_u8 ... ok
[INFO] [stdout] test tests::test_std_read_coils_as_bytes_oob ... 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_inputs_as_bytes_oob ... ok
[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; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rmodbus
[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) - compile ... 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; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d0a28af4b5a41874b4f0157f3a1510880abde92f62def1d9e827f34324bf232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0a28af4b5a41874b4f0157f3a1510880abde92f62def1d9e827f34324bf232", kill_on_drop: false }`
[INFO] [stdout] 1d0a28af4b5a41874b4f0157f3a1510880abde92f62def1d9e827f34324bf232