[INFO] fetching crate modbus-iiot-rs 0.0.1...
[INFO] testing modbus-iiot-rs-0.0.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate modbus-iiot-rs 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate modbus-iiot-rs 0.0.1
[INFO] finished tweaking crates.io crate modbus-iiot-rs 0.0.1
[INFO] tweaked toml for crates.io crate modbus-iiot-rs 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus-iiot-rs 0.0.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4861d94b48cc6c8f5874990ab91b673829509ca49d71d347815974c7c69d6f0b
[INFO] running `Command { std: "docker" "start" "-a" "4861d94b48cc6c8f5874990ab91b673829509ca49d71d347815974c7c69d6f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4861d94b48cc6c8f5874990ab91b673829509ca49d71d347815974c7c69d6f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4861d94b48cc6c8f5874990ab91b673829509ca49d71d347815974c7c69d6f0b", kill_on_drop: false }`
[INFO] [stdout] 4861d94b48cc6c8f5874990ab91b673829509ca49d71d347815974c7c69d6f0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1701fb69a05d768b4a60c5af4a85da19f2762f2bda20b4e9b71526567ac627e
[INFO] running `Command { std: "docker" "start" "-a" "f1701fb69a05d768b4a60c5af4a85da19f2762f2bda20b4e9b71526567ac627e", kill_on_drop: false }`
[INFO] [stderr]    Compiling modbus-iiot-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network/common.rs:26:49
[INFO] [stdout]    |
[INFO] [stdout] 26 |             reply = Err( connection_result.unwrap_err ().description ().to_owned () );
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/network/socket.rs:135:47
[INFO] [stdout]     |
[INFO] [stdout] 135 |             reply = Err( result.unwrap_err ().description ().to_owned () );
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/network/socket.rs:197:47
[INFO] [stdout]     |
[INFO] [stdout] 197 |             reply = Err( result.unwrap_err ().description ().to_owned () );
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "f1701fb69a05d768b4a60c5af4a85da19f2762f2bda20b4e9b71526567ac627e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1701fb69a05d768b4a60c5af4a85da19f2762f2bda20b4e9b71526567ac627e", kill_on_drop: false }`
[INFO] [stdout] f1701fb69a05d768b4a60c5af4a85da19f2762f2bda20b4e9b71526567ac627e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ef5f5f6412d07c667d2d13b36f271a170f7f15a5f90f28fd7f2e9e407c37536
[INFO] running `Command { std: "docker" "start" "-a" "2ef5f5f6412d07c667d2d13b36f271a170f7f15a5f90f28fd7f2e9e407c37536", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network/common.rs:26:49
[INFO] [stdout]    |
[INFO] [stdout] 26 |             reply = Err( connection_result.unwrap_err ().description ().to_owned () );
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling modbus-iiot-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/network/socket.rs:135:47
[INFO] [stdout]     |
[INFO] [stdout] 135 |             reply = Err( result.unwrap_err ().description ().to_owned () );
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/network/socket.rs:197:47
[INFO] [stdout]     |
[INFO] [stdout] 197 |             reply = Err( result.unwrap_err ().description ().to_owned () );
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]    --> src/core/methods.rs:522:39
[INFO] [stdout]     |
[INFO] [stdout] 522 |     assert! ( telegram_bytes.is_some (), true );
[INFO] [stdout]     |                                          ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]     |
[INFO] [stdout] 522 |     assert! ( telegram_bytes.is_some (), "{}", true );
[INFO] [stdout]     |                                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/network/common.rs:26:49
[INFO] [stdout]    |
[INFO] [stdout] 26 |             reply = Err( connection_result.unwrap_err ().description ().to_owned () );
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/network/socket.rs:135:47
[INFO] [stdout]     |
[INFO] [stdout] 135 |             reply = Err( result.unwrap_err ().description ().to_owned () );
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/network/socket.rs:197:47
[INFO] [stdout]     |
[INFO] [stdout] 197 |             reply = Err( result.unwrap_err ().description ().to_owned () );
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `modbus-iiot-rs` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2ef5f5f6412d07c667d2d13b36f271a170f7f15a5f90f28fd7f2e9e407c37536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef5f5f6412d07c667d2d13b36f271a170f7f15a5f90f28fd7f2e9e407c37536", kill_on_drop: false }`
[INFO] [stdout] 2ef5f5f6412d07c667d2d13b36f271a170f7f15a5f90f28fd7f2e9e407c37536