[INFO] cloning repository https://github.com/guguhuahua/iec104-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guguhuahua/iec104-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguguhuahua%2Fiec104-rust", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e8dcced202ebaae7eea8c5b6a669ddcbacbb0e9
[INFO] checking guguhuahua/iec104-rust against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguguhuahua%2Fiec104-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/guguhuahua/iec104-rust
[INFO] finished tweaking git repo https://github.com/guguhuahua/iec104-rust
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[INFO] validating manifest of git repo https://github.com/guguhuahua/iec104-rust on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/guguhuahua/iec104-rust already has a lockfile, it will not be regenerated
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] 93ac067714f59a1e8fedb18d68b95ad48b3339873d8754b051532f88154c9854
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[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> src/protocol/codec.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SessionConfig`
[INFO] [stdout]  --> src/connection/manager.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::protocol::session::{Iec104Session, SessionConfig};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> src/protocol/codec.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::{Buf, BufMut, BytesMut};
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SessionConfig`
[INFO] [stdout]  --> src/connection/manager.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::protocol::session::{Iec104Session, SessionConfig};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_size`
[INFO] [stdout]    --> src/protocol/parser.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let point_size = if sq { 5 } else { 7 }; // address(3) + value(4) + quality(1), but sq uses 3+4
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_size`
[INFO] [stdout]    --> src/protocol/parser.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let point_size = if sq { 3 } else { 5 };
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_size`
[INFO] [stdout]    --> src/protocol/parser.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let point_size = if sq { 3 } else { 5 };
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_size`
[INFO] [stdout]    --> src/protocol/parser.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let point_size = if sq { 5 } else { 7 }; // address(3) + value(4) + quality(1), but sq uses 3+4
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_size`
[INFO] [stdout]    --> src/protocol/parser.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let point_size = if sq { 3 } else { 5 };
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point_size`
[INFO] [stdout]    --> src/protocol/parser.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let point_size = if sq { 3 } else { 5 };
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_point_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_tx`
[INFO] [stdout]   --> src/service/collector.rs:98:14
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let (data_tx, mut data_rx) = tokio::sync::mpsc::channel::<CollectedData>(1000);
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redis`
[INFO] [stdout]    --> src/service/collector.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         redis: &Option<RedisClient>,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_redis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChannelState` is never used
[INFO] [stdout]   --> src/connection/channel.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum ChannelState {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data_tx`
[INFO] [stdout]   --> src/service/collector.rs:98:14
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let (data_tx, mut data_rx) = tokio::sync::mpsc::channel::<CollectedData>(1000);
[INFO] [stdout]    |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `redis`
[INFO] [stdout]    --> src/service/collector.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         redis: &Option<RedisClient>,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_redis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChannelState` is never used
[INFO] [stdout]   --> src/connection/channel.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum ChannelState {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.25.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 13`
[INFO] running `Command { std: "docker" "inspect" "93ac067714f59a1e8fedb18d68b95ad48b3339873d8754b051532f88154c9854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ac067714f59a1e8fedb18d68b95ad48b3339873d8754b051532f88154c9854", kill_on_drop: false }`
[INFO] [stdout] 93ac067714f59a1e8fedb18d68b95ad48b3339873d8754b051532f88154c9854