[INFO] fetching crate s7 0.1.9...
[INFO] testing s7-0.1.9 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate s7 0.1.9 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate s7 0.1.9
[INFO] finished tweaking crates.io crate s7 0.1.9
[INFO] tweaked toml for crates.io crate s7 0.1.9 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate s7 0.1.9 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e058f883776a83e043493c96d05eee71dd234be56c11d0f138164061c16780a
[INFO] running `Command { std: "docker" "start" "-a" "2e058f883776a83e043493c96d05eee71dd234be56c11d0f138164061c16780a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e058f883776a83e043493c96d05eee71dd234be56c11d0f138164061c16780a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e058f883776a83e043493c96d05eee71dd234be56c11d0f138164061c16780a", kill_on_drop: false }`
[INFO] [stdout] 2e058f883776a83e043493c96d05eee71dd234be56c11d0f138164061c16780a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8275a048d8252cc80c03bbcbef25e0788d68d6138b42b83b0ba11f089757876
[INFO] running `Command { std: "docker" "start" "-a" "f8275a048d8252cc80c03bbcbef25e0788d68d6138b42b83b0ba11f089757876", kill_on_drop: false }`
[INFO] [stderr]    Compiling s7 v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data_szl`
[INFO] [stdout]    --> src/client.rs:723:13
[INFO] [stdout]     |
[INFO] [stdout] 723 |         let data_szl = 0;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 723 |         let _data_szl = 0;
[INFO] [stdout]     |             +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MIN_PDU_SIZE`
[INFO] [stdout]     |
[INFO] [stdout] 723 -         let data_szl = 0;
[INFO] [stdout] 723 +         let tcp::MIN_PDU_SIZE = 0;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `module_type_name`, `serial_number`, `as_name`, `copyright`, and `module_name` are never read
[INFO] [stdout]   --> src/client.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct CpuInfo {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     module_type_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     serial_number: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 16 |     as_name: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     copyright: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 18 |     module_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CpuInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `max_pdu_length`, `max_connections`, `max_mpi_rate`, and `max_bus_rate` are never read
[INFO] [stdout]   --> src/client.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CPInfo {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 23 |     max_pdu_length: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     max_connections: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     max_mpi_rate: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     max_bus_rate: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CPInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number_of_data_record` is never read
[INFO] [stdout]    --> src/transport.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub(crate) struct SZLHeader {
[INFO] [stdout]     |                   --------- field in this struct
[INFO] [stdout] 172 |     pub length_header: u16,
[INFO] [stdout] 173 |     pub number_of_data_record: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f8275a048d8252cc80c03bbcbef25e0788d68d6138b42b83b0ba11f089757876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8275a048d8252cc80c03bbcbef25e0788d68d6138b42b83b0ba11f089757876", kill_on_drop: false }`
[INFO] [stdout] f8275a048d8252cc80c03bbcbef25e0788d68d6138b42b83b0ba11f089757876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dab436f278f0e7a3c3e8d7e78da0f6c525cd573b368440d86f0ba4561a7a2e12
[INFO] running `Command { std: "docker" "start" "-a" "dab436f278f0e7a3c3e8d7e78da0f6c525cd573b368440d86f0ba4561a7a2e12", kill_on_drop: false }`
[INFO] [stderr]    Compiling s7 v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data_szl`
[INFO] [stdout]    --> src/client.rs:723:13
[INFO] [stdout]     |
[INFO] [stdout] 723 |         let data_szl = 0;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 723 |         let _data_szl = 0;
[INFO] [stdout]     |             +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MIN_PDU_SIZE`
[INFO] [stdout]     |
[INFO] [stdout] 723 -         let data_szl = 0;
[INFO] [stdout] 723 +         let tcp::MIN_PDU_SIZE = 0;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `module_type_name`, `serial_number`, `as_name`, `copyright`, and `module_name` are never read
[INFO] [stdout]   --> src/client.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct CpuInfo {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     module_type_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     serial_number: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 16 |     as_name: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     copyright: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 18 |     module_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CpuInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `max_pdu_length`, `max_connections`, `max_mpi_rate`, and `max_bus_rate` are never read
[INFO] [stdout]   --> src/client.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CPInfo {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 23 |     max_pdu_length: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     max_connections: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     max_mpi_rate: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     max_bus_rate: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CPInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number_of_data_record` is never read
[INFO] [stdout]    --> src/transport.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub(crate) struct SZLHeader {
[INFO] [stdout]     |                   --------- field in this struct
[INFO] [stdout] 172 |     pub length_header: u16,
[INFO] [stdout] 173 |     pub number_of_data_record: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_szl`
[INFO] [stdout]    --> src/client.rs:723:13
[INFO] [stdout]     |
[INFO] [stdout] 723 |         let data_szl = 0;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 723 |         let _data_szl = 0;
[INFO] [stdout]     |             +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MIN_PDU_SIZE`
[INFO] [stdout]     |
[INFO] [stdout] 723 -         let data_szl = 0;
[INFO] [stdout] 723 +         let tcp::MIN_PDU_SIZE = 0;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `module_type_name`, `serial_number`, `as_name`, `copyright`, and `module_name` are never read
[INFO] [stdout]   --> src/client.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct CpuInfo {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     module_type_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     serial_number: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 16 |     as_name: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     copyright: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 18 |     module_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CpuInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `max_pdu_length`, `max_connections`, `max_mpi_rate`, and `max_bus_rate` are never read
[INFO] [stdout]   --> src/client.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct CPInfo {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 23 |     max_pdu_length: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     max_connections: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     max_mpi_rate: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     max_bus_rate: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CPInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number_of_data_record` is never read
[INFO] [stdout]    --> src/transport.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub(crate) struct SZLHeader {
[INFO] [stdout]     |                   --------- field in this struct
[INFO] [stdout] 172 |     pub length_header: u16,
[INFO] [stdout] 173 |     pub number_of_data_record: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "dab436f278f0e7a3c3e8d7e78da0f6c525cd573b368440d86f0ba4561a7a2e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab436f278f0e7a3c3e8d7e78da0f6c525cd573b368440d86f0ba4561a7a2e12", kill_on_drop: false }`
[INFO] [stdout] dab436f278f0e7a3c3e8d7e78da0f6c525cd573b368440d86f0ba4561a7a2e12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25846cd62f4ef7866abd152082dad56a871701bf3b375e43022ba52bd3b914d9
[INFO] running `Command { std: "docker" "start" "-a" "25846cd62f4ef7866abd152082dad56a871701bf3b375e43022ba52bd3b914d9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data_szl`
[INFO] [stderr]    --> src/client.rs:723:13
[INFO] [stderr]     |
[INFO] [stderr] 723 |         let data_szl = 0;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]     |
[INFO] [stderr] 723 |         let _data_szl = 0;
[INFO] [stderr]     |             +
[INFO] [stderr] help: you might have meant to pattern match on the similarly named constant `MIN_PDU_SIZE`
[INFO] [stderr]     |
[INFO] [stderr] 723 -         let data_szl = 0;
[INFO] [stderr] 723 +         let tcp::MIN_PDU_SIZE = 0;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `module_type_name`, `serial_number`, `as_name`, `copyright`, and `module_name` are never read
[INFO] [stderr]   --> src/client.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct CpuInfo {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 14 |     module_type_name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 15 |     serial_number: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 16 |     as_name: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 17 |     copyright: String,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 18 |     module_name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CpuInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `max_pdu_length`, `max_connections`, `max_mpi_rate`, and `max_bus_rate` are never read
[INFO] [stderr]   --> src/client.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct CPInfo {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 23 |     max_pdu_length: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 24 |     max_connections: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 25 |     max_mpi_rate: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 26 |     max_bus_rate: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CPInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `number_of_data_record` is never read
[INFO] [stderr]    --> src/transport.rs:173:9
[INFO] [stderr]     |
[INFO] [stderr] 171 | pub(crate) struct SZLHeader {
[INFO] [stderr]     |                   --------- field in this struct
[INFO] [stderr] 172 |     pub length_header: u16,
[INFO] [stderr] 173 |     pub number_of_data_record: u16,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `s7` (lib) generated 4 warnings (run `cargo fix --lib -p s7` to apply 1 suggestion)
[INFO] [stderr] warning: `s7` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/s7-7a759e7c4deac84e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test field::test_bool ... ok
[INFO] [stdout] test field::test_fields ... ok
[INFO] [stdout] test field::test_float ... ok
[INFO] [stderr]    Doc-tests s7
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/client.rs - client::Client<T>::eb_write (line 228) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<T>::mb_read (line 146) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<T>::mb_write (line 171) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<T>::ab_write (line 292) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<T>::eb_read (line 196) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<T>::ab_read (line 260) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<T>::ag_write (line 94) - compile ... ok
[INFO] [stdout] test src/client.rs - client::Client<T>::ag_read (line 42) - compile ... ok
[INFO] [stdout] test src/field.rs - field::Fields (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25846cd62f4ef7866abd152082dad56a871701bf3b375e43022ba52bd3b914d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25846cd62f4ef7866abd152082dad56a871701bf3b375e43022ba52bd3b914d9", kill_on_drop: false }`
[INFO] [stdout] 25846cd62f4ef7866abd152082dad56a871701bf3b375e43022ba52bd3b914d9