[INFO] fetching crate rmodbus 0.5.4...
[INFO] testing rmodbus-0.5.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rmodbus 0.5.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rmodbus 0.5.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-4/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedvec v0.2.4
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] c91d7c50163f26c629466e25612f95f0b65c25ce6e0e0df3a7218a19246ce9e8
[INFO] running `Command { std: "docker" "start" "-a" "c91d7c50163f26c629466e25612f95f0b65c25ce6e0e0df3a7218a19246ce9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c91d7c50163f26c629466e25612f95f0b65c25ce6e0e0df3a7218a19246ce9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91d7c50163f26c629466e25612f95f0b65c25ce6e0e0df3a7218a19246ce9e8", kill_on_drop: false }`
[INFO] [stdout] c91d7c50163f26c629466e25612f95f0b65c25ce6e0e0df3a7218a19246ce9e8
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 43aa0e5cb6866487476baeacf2f5a2505f5a3879c90ad622e032605901a3e8af
[INFO] running `Command { std: "docker" "start" "-a" "43aa0e5cb6866487476baeacf2f5a2505f5a3879c90ad622e032605901a3e8af", kill_on_drop: false }`
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling fixedvec v0.2.4
[INFO] [stderr]    Compiling rmodbus v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "43aa0e5cb6866487476baeacf2f5a2505f5a3879c90ad622e032605901a3e8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43aa0e5cb6866487476baeacf2f5a2505f5a3879c90ad622e032605901a3e8af", kill_on_drop: false }`
[INFO] [stdout] 43aa0e5cb6866487476baeacf2f5a2505f5a3879c90ad622e032605901a3e8af
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 66a523b780678c032fb1e2d34655e03d9842c14eaee5ae319df40e131ec3495b
[INFO] running `Command { std: "docker" "start" "-a" "66a523b780678c032fb1e2d34655e03d9842c14eaee5ae319df40e131ec3495b", kill_on_drop: false }`
[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 lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[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 11.50s
[INFO] running `Command { std: "docker" "inspect" "66a523b780678c032fb1e2d34655e03d9842c14eaee5ae319df40e131ec3495b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a523b780678c032fb1e2d34655e03d9842c14eaee5ae319df40e131ec3495b", kill_on_drop: false }`
[INFO] [stdout] 66a523b780678c032fb1e2d34655e03d9842c14eaee5ae319df40e131ec3495b
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 451d967a0ca545ce5decf7bd04fe91625d17befa168ffe085cfbc0a0d8ec65f5
[INFO] running `Command { std: "docker" "start" "-a" "451d967a0ca545ce5decf7bd04fe91625d17befa168ffe085cfbc0a0d8ec65f5", 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-7cadc1843ec5a83a)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::test_modbus_ascii ... ok
[INFO] [stdout] test tests::test_std_client ... 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_inputs ... ok
[INFO] [stdout] test tests::test_std_frame_fc16 ... ok
[INFO] [stdout] test tests::test_std_get_set_holdings ... 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_read_holdings_as_bytes_oob ... ok
[INFO] [stdout] test tests::test_std_read_discretes_as_bytes_oob ... ok
[INFO] [stdout] test tests::test_std_get_bools_as_u8 ... 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_coils_as_bytes_oob ... ok
[INFO] [stdout] test tests::test_std_read_inputs_as_bytes_oob ... ok
[INFO] [stdout] test tests::test_std_coil_get_set_bulk ... ok
[INFO] [stdout] test tests::test_std_dump_restore ... ok
[INFO] [stderr]    Doc-tests rmodbus
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[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) - 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 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "451d967a0ca545ce5decf7bd04fe91625d17befa168ffe085cfbc0a0d8ec65f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451d967a0ca545ce5decf7bd04fe91625d17befa168ffe085cfbc0a0d8ec65f5", kill_on_drop: false }`
[INFO] [stdout] 451d967a0ca545ce5decf7bd04fe91625d17befa168ffe085cfbc0a0d8ec65f5