[INFO] crate modbus-iiot 0.2.0 is already in cache
[INFO] checking modbus-iiot-0.2.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate modbus-iiot 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate modbus-iiot 0.2.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate modbus-iiot 0.2.0
[INFO] finished tweaking crates.io crate modbus-iiot 0.2.0
[INFO] tweaked toml for crates.io crate modbus-iiot 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 97c2e097508168564cb9aeab898ddb75300883236d3e36ac53fc051921e92491
[INFO] running `"docker" "start" "-a" "97c2e097508168564cb9aeab898ddb75300883236d3e36ac53fc051921e92491"`
[INFO] [stderr]     Checking modbus-iiot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/network/common.rs:26:49
[INFO] [stderr]    |
[INFO] [stderr] 26 |             reply = Err( connection_result.unwrap_err ().description ().to_owned () );
[INFO] [stderr]    |                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/network/socket.rs:135:47
[INFO] [stderr]     |
[INFO] [stderr] 135 |             reply = Err( result.unwrap_err ().description ().to_owned () );
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/network/socket.rs:197:47
[INFO] [stderr]     |
[INFO] [stderr] 197 |             reply = Err( result.unwrap_err ().description ().to_owned () );
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/network/common.rs:26:49
[INFO] [stderr]    |
[INFO] [stderr] 26 |             reply = Err( connection_result.unwrap_err ().description ().to_owned () );
[INFO] [stderr]    |                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/network/socket.rs:135:47
[INFO] [stderr]     |
[INFO] [stderr] 135 |             reply = Err( result.unwrap_err ().description ().to_owned () );
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/network/socket.rs:197:47
[INFO] [stderr]     |
[INFO] [stderr] 197 |             reply = Err( result.unwrap_err ().description ().to_owned () );
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "97c2e097508168564cb9aeab898ddb75300883236d3e36ac53fc051921e92491"`
[INFO] running `"docker" "rm" "-f" "97c2e097508168564cb9aeab898ddb75300883236d3e36ac53fc051921e92491"`
[INFO] [stdout] 97c2e097508168564cb9aeab898ddb75300883236d3e36ac53fc051921e92491