[INFO] fetching crate modbus-iiot-rs 0.0.1...
[INFO] checking modbus-iiot-rs-0.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate modbus-iiot-rs 0.0.1 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus-iiot-rs 0.0.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08e8e66271d72eac7745960b7b6ae20053355373631c8d23b08b33a2d55c3360
[INFO] running `Command { std: "docker" "start" "-a" "08e8e66271d72eac7745960b7b6ae20053355373631c8d23b08b33a2d55c3360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e8e66271d72eac7745960b7b6ae20053355373631c8d23b08b33a2d55c3360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e8e66271d72eac7745960b7b6ae20053355373631c8d23b08b33a2d55c3360", kill_on_drop: false }`
[INFO] [stdout] 08e8e66271d72eac7745960b7b6ae20053355373631c8d23b08b33a2d55c3360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b1d0e5152a7e5505a390bd6f5b9b04a31044e515e8f8b9306e0009f6bac16a
[INFO] running `Command { std: "docker" "start" "-a" "f3b1d0e5152a7e5505a390bd6f5b9b04a31044e515e8f8b9306e0009f6bac16a", kill_on_drop: false }`
[INFO] [stderr]     Checking modbus-iiot-rs v0.0.1 (/opt/rustwide/workdir)
[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] [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" "f3b1d0e5152a7e5505a390bd6f5b9b04a31044e515e8f8b9306e0009f6bac16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b1d0e5152a7e5505a390bd6f5b9b04a31044e515e8f8b9306e0009f6bac16a", kill_on_drop: false }`
[INFO] [stdout] f3b1d0e5152a7e5505a390bd6f5b9b04a31044e515e8f8b9306e0009f6bac16a