[INFO] fetching crate tokio-modbus 0.5.0... [INFO] testing tokio-modbus-0.5.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate tokio-modbus 0.5.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate tokio-modbus 0.5.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7/source/rust-toolchain [INFO] started tweaking crates.io crate tokio-modbus 0.5.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate tokio-modbus 0.5.0 [INFO] tweaked toml for crates.io crate tokio-modbus 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate tokio-modbus 0.5.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mio-serial v5.0.1 [INFO] [stderr] Downloaded tokio-serial v5.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a86be302a604a838c71a6f534dceaabddcc8677d57f3bebbd8a1c24b07901906 [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" "a86be302a604a838c71a6f534dceaabddcc8677d57f3bebbd8a1c24b07901906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a86be302a604a838c71a6f534dceaabddcc8677d57f3bebbd8a1c24b07901906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a86be302a604a838c71a6f534dceaabddcc8677d57f3bebbd8a1c24b07901906", kill_on_drop: false }` [INFO] [stdout] a86be302a604a838c71a6f534dceaabddcc8677d57f3bebbd8a1c24b07901906 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c94e79fa4d244dfde0470096a3bcdd8f05cff2dd4b9c24622cfd4298be74379 [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" "0c94e79fa4d244dfde0470096a3bcdd8f05cff2dd4b9c24622cfd4298be74379", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Compiling futures-sink v0.3.16 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling futures-io v0.3.16 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Compiling tokio v1.10.0 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling nix v0.22.1 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling serialport v4.0.1 [INFO] [stderr] Compiling mio-serial v5.0.1 [INFO] [stderr] Compiling tokio-util v0.6.7 [INFO] [stderr] Compiling futures-executor v0.3.16 [INFO] [stderr] Compiling futures v0.3.16 [INFO] [stderr] Compiling tokio-serial v5.4.1 [INFO] [stderr] Compiling tokio-modbus v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.54s [INFO] running `Command { std: "docker" "inspect" "0c94e79fa4d244dfde0470096a3bcdd8f05cff2dd4b9c24622cfd4298be74379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c94e79fa4d244dfde0470096a3bcdd8f05cff2dd4b9c24622cfd4298be74379", kill_on_drop: false }` [INFO] [stdout] 0c94e79fa4d244dfde0470096a3bcdd8f05cff2dd4b9c24622cfd4298be74379 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] f50140301497e70acd0cb01fd101cd9629e68104cebed521d5b055494813462d [INFO] running `Command { std: "docker" "start" "-a" "f50140301497e70acd0cb01fd101cd9629e68104cebed521d5b055494813462d", kill_on_drop: false }` [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling tokio-modbus v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.27s [INFO] running `Command { std: "docker" "inspect" "f50140301497e70acd0cb01fd101cd9629e68104cebed521d5b055494813462d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f50140301497e70acd0cb01fd101cd9629e68104cebed521d5b055494813462d", kill_on_drop: false }` [INFO] [stdout] f50140301497e70acd0cb01fd101cd9629e68104cebed521d5b055494813462d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] ebf2918acc9fd19bc26aadecf3f2aa5c57c8d0412ddf98559a39e376c1ec02da [INFO] running `Command { std: "docker" "start" "-a" "ebf2918acc9fd19bc26aadecf3f2aa5c57c8d0412ddf98559a39e376c1ec02da", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tokio_modbus-3c530180ba993fbe) [INFO] [stdout] [INFO] [stdout] running 81 tests [INFO] [stdout] test client::tests::read_some_discrete_inputs ... ok [INFO] [stdout] test client::tests::read_some_coils ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_partly_received_client_message ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_single_byte_client_message ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_rtu_message ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_single_byte_server_message ... ok [INFO] [stdout] test codec::rtu::tests::client::encode_read_request ... ok [INFO] [stdout] test codec::rtu::tests::test_get_response_pdu_len ... ok [INFO] [stdout] test codec::tcp::tests::client::decode_exception_message ... ok [INFO] [stdout] test codec::tests::convert_bool_to_coil ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_exception_message ... ok [INFO] [stdout] test codec::rtu::tests::client::encode_with_limited_buf_capacity ... ok [INFO] [stdout] test codec::rtu::tests::test_calc_crc ... ok [INFO] [stdout] test codec::rtu::tests::test_get_request_pdu_len ... ok [INFO] [stdout] test codec::tests::deserialize_requests::empty_request ... ok [INFO] [stdout] test codec::tests::deserialize_requests::read_coils ... ok [INFO] [stdout] test codec::tests::deserialize_requests::read_discrete_inputs ... ok [INFO] [stdout] test codec::tests::deserialize_requests::custom ... ok [INFO] [stdout] test codec::tcp::tests::client::encode_read_request ... ok [INFO] [stdout] test codec::tcp::tests::client::encode_with_limited_buf_capacity ... ok [INFO] [stdout] test codec::tests::deserialize_requests::read_write_multiple_registers ... ok [INFO] [stdout] test codec::tests::deserialize_requests::read_input_registers ... ok [INFO] [stdout] test codec::tests::deserialize_requests::write_multiple_registers ... ok [INFO] [stdout] test codec::tests::deserialize_requests::read_holding_registers ... ok [INFO] [stdout] test codec::tests::convert_coil_to_bool ... ok [INFO] [stdout] test codec::tests::convert_booleans_to_bytes ... ok [INFO] [stdout] test codec::tests::deserialize_requests::write_single_register ... ok [INFO] [stdout] test codec::tests::deserialize_requests::write_single_coil ... ok [INFO] [stdout] test codec::tests::deserialize_responses::custom ... ok [INFO] [stdout] test codec::tests::deserialize_responses::read_coils ... ok [INFO] [stdout] test codec::tests::deserialize_responses::read_discrete_inputs ... ok [INFO] [stdout] test codec::tests::deserialize_responses::read_write_multiple_registers ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_partly_received_server_message_0x10 ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_partly_received_server_message_0x16 ... ok [INFO] [stdout] test codec::tests::deserialize_responses::read_discrete_inputs_max_quantity ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_rtu_response_drop_invalid_bytes ... ok [INFO] [stdout] test codec::tests::deserialize_requests::write_multiple_coils ... ok [INFO] [stdout] test codec::tests::exception_response_into_bytes ... ok [INFO] [stdout] test codec::tests::deserialize_responses::write_single_coil ... ok [INFO] [stdout] test codec::tests::deserialize_responses::write_multiple_registers ... ok [INFO] [stdout] test codec::tests::deserialize_responses::write_single_register ... ok [INFO] [stdout] test codec::tests::function_code_from_request ... ok [INFO] [stdout] test codec::tests::deserialize_responses::read_input_registers ... ok [INFO] [stdout] test codec::tests::function_code_from_response ... ok [INFO] [stdout] test codec::tests::pdu_into_bytes ... ok [INFO] [stdout] test codec::tests::pdu_with_a_lot_of_data_into_bytes ... ok [INFO] [stdout] test codec::tests::exception_response_from_bytes ... ok [INFO] [stdout] test codec::tests::serialize_requests::read_coils ... ok [INFO] [stdout] test codec::tests::serialize_requests::custom ... ok [INFO] [stdout] test codec::tests::serialize_requests::read_discrete_inputs ... ok [INFO] [stdout] test codec::tests::serialize_requests::read_holding_registers ... ok [INFO] [stdout] test codec::tests::serialize_requests::read_input_registers ... ok [INFO] [stdout] test codec::tests::deserialize_responses::read_coils_max_quantity ... ok [INFO] [stdout] test codec::tests::serialize_requests::read_write_multiple_registers ... ok [INFO] [stdout] test codec::tests::serialize_requests::write_multiple_coils ... ok [INFO] [stdout] test codec::tests::serialize_requests::write_multiple_registers ... ok [INFO] [stdout] test codec::tests::serialize_responses::custom ... ok [INFO] [stdout] test codec::tests::deserialize_responses::write_multiple_coils ... ok [INFO] [stdout] test codec::tests::serialize_responses::read_holding_registers ... ok [INFO] [stdout] test codec::tests::deserialize_responses::read_holding_registers ... ok [INFO] [stdout] test codec::tests::serialize_responses::read_input_registers ... ok [INFO] [stdout] test codec::tests::serialize_responses::write_single_coil ... ok [INFO] [stdout] test codec::tests::serialize_responses::write_single_register ... ok [INFO] [stdout] test codec::tests::test_unpack_bits ... ok [INFO] [stdout] test service::rtu::tests::handle_broken_pipe ... ok [INFO] [stdout] test slave::tests::format ... ok [INFO] [stdout] test slave::tests::parse_dec ... ok [INFO] [stdout] test slave::tests::parse_hex ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_empty_server_message ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_partly_received_server_message_0x0f ... ok [INFO] [stdout] test codec::rtu::tests::client::decode_empty_client_message ... ok [INFO] [stdout] test codec::tests::serialize_responses::write_multiple_registers ... ok [INFO] [stdout] test codec::tcp::tests::client::decode_header_fragment ... ok [INFO] [stdout] test codec::tcp::tests::client::decode_partly_received_message ... ok [INFO] [stdout] test codec::tcp::tests::client::decode_with_invalid_protocol_id ... ok [INFO] [stdout] test codec::tests::serialize_responses::read_write_multiple_registers ... ok [INFO] [stderr] Doc-tests tokio-modbus [INFO] [stdout] test codec::tests::serialize_requests::write_single_coil ... ok [INFO] [stdout] test codec::tests::serialize_requests::write_single_register ... ok [INFO] [stdout] test codec::tests::serialize_responses::read_coils ... ok [INFO] [stdout] test codec::tests::serialize_responses::read_discrete_inputs ... ok [INFO] [stdout] test codec::tests::serialize_responses::write_multiple_coils ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 81 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - (line 73) - compile ... FAILED [INFO] [stdout] test src/lib.rs - (line 115) - compile ... FAILED [INFO] [stdout] test src/lib.rs - (line 90) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 53) - compile ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 73) stdout ---- [INFO] [stdout] error[E0601]: `main` function not found in crate `rust_out` [INFO] [stdout] --> src/lib.rs:72:1 [INFO] [stdout] | [INFO] [stdout] 1 | / #![allow(unused)] [INFO] [stdout] 2 | | extern crate r#tokio_modbus; [INFO] [stdout] 3 | | #[cfg(all(feature = "tcp", feature = "sync"))] [INFO] [stdout] 4 | | //FIXME: Run doc tests with `--features sync` to fix failure [INFO] [stdout] ... | [INFO] [stdout] 13 | | Ok(()) [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ consider adding a `main` function at the crate level [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 115) stdout ---- [INFO] [stdout] error[E0601]: `main` function not found in crate `rust_out` [INFO] [stdout] --> src/lib.rs:114:1 [INFO] [stdout] | [INFO] [stdout] 1 | / #![allow(unused)] [INFO] [stdout] 2 | | extern crate r#tokio_modbus; [INFO] [stdout] 3 | | #[cfg(all(feature = "rtu", feature = "sync"))] [INFO] [stdout] 4 | | //FIXME: Run doc tests with `--features sync` to fix failure [INFO] [stdout] ... | [INFO] [stdout] 18 | | Ok(()) [INFO] [stdout] 19 | | } [INFO] [stdout] | |_^ consider adding a `main` function at the crate level [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 115) [INFO] [stdout] src/lib.rs - (line 73) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "ebf2918acc9fd19bc26aadecf3f2aa5c57c8d0412ddf98559a39e376c1ec02da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebf2918acc9fd19bc26aadecf3f2aa5c57c8d0412ddf98559a39e376c1ec02da", kill_on_drop: false }` [INFO] [stdout] ebf2918acc9fd19bc26aadecf3f2aa5c57c8d0412ddf98559a39e376c1ec02da