[INFO] fetching crate ng-gateway-connector 0.0.1...
[INFO] testing ng-gateway-connector-0.0.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate ng-gateway-connector 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ng-gateway-connector 0.0.1
[INFO] finished tweaking crates.io crate ng-gateway-connector 0.0.1
[INFO] tweaked toml for crates.io crate ng-gateway-connector 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ng-gateway-connector 0.0.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding tokio v1.42.1 (available: v1.47.1)
[INFO] [stderr]       Adding tokio-macros v2.4.0 (available: v2.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e78ac49ede4dd327f062a7f3bf698f08d2df3a9ede933fc82a1cf4a15c42a11
[INFO] running `Command { std: "docker" "start" "-a" "4e78ac49ede4dd327f062a7f3bf698f08d2df3a9ede933fc82a1cf4a15c42a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e78ac49ede4dd327f062a7f3bf698f08d2df3a9ede933fc82a1cf4a15c42a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e78ac49ede4dd327f062a7f3bf698f08d2df3a9ede933fc82a1cf4a15c42a11", kill_on_drop: false }`
[INFO] [stdout] 4e78ac49ede4dd327f062a7f3bf698f08d2df3a9ede933fc82a1cf4a15c42a11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a230664ceb2fe453f008063f868cfbcfb5c3bb32e1b5e38f035ab0c2bd51478f
[INFO] running `Command { std: "docker" "start" "-a" "a230664ceb2fe453f008063f868cfbcfb5c3bb32e1b5e38f035ab0c2bd51478f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.42.1
[INFO] [stderr]    Compiling ng-gateway-connector v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/modbus.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         output: Box<dyn Any + Send>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/modbus.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         command: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device_id`
[INFO] [stdout]   --> src/modbus.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         device_id: i32,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_device_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/modbus.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         params: Box<dyn Any + Send>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:108:25
[INFO] [stdout]     |
[INFO] [stdout] 108 |                         unsafe {
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 unsafe {
[INFO] [stdout]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.81s
[INFO] running `Command { std: "docker" "inspect" "a230664ceb2fe453f008063f868cfbcfb5c3bb32e1b5e38f035ab0c2bd51478f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a230664ceb2fe453f008063f868cfbcfb5c3bb32e1b5e38f035ab0c2bd51478f", kill_on_drop: false }`
[INFO] [stdout] a230664ceb2fe453f008063f868cfbcfb5c3bb32e1b5e38f035ab0c2bd51478f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88304f912a03a3c1fd457063ae55c3e98d98cbcc2fd80776dd117dac63bfe4dc
[INFO] running `Command { std: "docker" "start" "-a" "88304f912a03a3c1fd457063ae55c3e98d98cbcc2fd80776dd117dac63bfe4dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ng-gateway-connector v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/modbus.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         output: Box<dyn Any + Send>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/modbus.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         command: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device_id`
[INFO] [stdout]   --> src/modbus.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         device_id: i32,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_device_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/modbus.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         params: Box<dyn Any + Send>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:108:25
[INFO] [stdout]     |
[INFO] [stdout] 108 |                         unsafe {
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 unsafe {
[INFO] [stdout]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/modbus.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         output: Box<dyn Any + Send>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/modbus.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         command: &str,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device_id`
[INFO] [stdout]   --> src/modbus.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         device_id: i32,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_device_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/modbus.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         params: Box<dyn Any + Send>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:108:25
[INFO] [stdout]     |
[INFO] [stdout] 108 |                         unsafe {
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 unsafe {
[INFO] [stdout]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "88304f912a03a3c1fd457063ae55c3e98d98cbcc2fd80776dd117dac63bfe4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88304f912a03a3c1fd457063ae55c3e98d98cbcc2fd80776dd117dac63bfe4dc", kill_on_drop: false }`
[INFO] [stdout] 88304f912a03a3c1fd457063ae55c3e98d98cbcc2fd80776dd117dac63bfe4dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2dfd711e6ee38159ef4495cd7115614b7d41865f9d130911bf095035c3748f90
[INFO] running `Command { std: "docker" "start" "-a" "2dfd711e6ee38159ef4495cd7115614b7d41865f9d130911bf095035c3748f90", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/modbus.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         output: Box<dyn Any + Send>,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/modbus.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         command: &str,
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `device_id`
[INFO] [stderr]   --> src/modbus.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         device_id: i32,
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_device_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]   --> src/modbus.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         params: Box<dyn Any + Send>,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:108:25
[INFO] [stderr]     |
[INFO] [stderr] 108 |                         unsafe {
[INFO] [stderr]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:114:17
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 unsafe {
[INFO] [stderr]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: `ng-gateway-connector` (lib) generated 6 warnings
[INFO] [stderr] warning: `ng-gateway-connector` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ng_gateway_connector-e8b6175b6c29bf33)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ng_gateway_connector
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2dfd711e6ee38159ef4495cd7115614b7d41865f9d130911bf095035c3748f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfd711e6ee38159ef4495cd7115614b7d41865f9d130911bf095035c3748f90", kill_on_drop: false }`
[INFO] [stdout] 2dfd711e6ee38159ef4495cd7115614b7d41865f9d130911bf095035c3748f90