[INFO] fetching crate sunspec_rs 0.6.1...
[INFO] checking sunspec_rs-0.6.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate sunspec_rs 0.6.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate sunspec_rs 0.6.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sunspec_rs 0.6.1
[INFO] finished tweaking crates.io crate sunspec_rs 0.6.1
[INFO] tweaked toml for crates.io crate sunspec_rs 0.6.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate sunspec_rs 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5bdac44ad0b580e78bd25af595522089153e3f242049a92eaf5d6b64307cafa
[INFO] running `Command { std: "docker" "start" "-a" "a5bdac44ad0b580e78bd25af595522089153e3f242049a92eaf5d6b64307cafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5bdac44ad0b580e78bd25af595522089153e3f242049a92eaf5d6b64307cafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5bdac44ad0b580e78bd25af595522089153e3f242049a92eaf5d6b64307cafa", kill_on_drop: false }`
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking sunspec_rs v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/lib/model_data.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/lib/sunspec_connection.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::string::ToString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/lib/model_data.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/lib/sunspec_connection.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::string::ToString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/get_models/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/get_models/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/cli_args/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]   --> src/bin/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing_subscriber;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/get_models/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/get_models/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/scan_slaves/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/scan_slaves/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/scan_slaves/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/scan_slaves/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sunspec_rs::model_data::ModelData`
[INFO] [stdout]  --> tests/test_reads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sunspec_rs::model_data::ModelData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/cli_args/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]   --> src/bin/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing_subscriber;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model_field`
[INFO] [stdout]  --> tests/common/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     model_field: String,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_field`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model_field`
[INFO] [stdout]  --> tests/common/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     model_field: String,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_field`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_writes.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_writes.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_writes.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_writes.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_writes.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_writes.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_writes.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_writes.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_reads.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_reads.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssd`
[INFO] [stdout]   --> tests/test_reads.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (ss, ssd, md) =
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ssd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_reads.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_reads.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssd`
[INFO] [stdout]   --> tests/test_reads.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (ss, ssd, md) =
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ssd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_reads.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_reads.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let slave: u8 = 3_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssd`
[INFO] [stdout]   --> tests/test_reads.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let (ss, ssd, md) =
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ssd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssd`
[INFO] [stdout]   --> tests/test_reads.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let (ss, ssd, md) =
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ssd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssd`
[INFO] [stdout]    --> tests/test_reads.rs:122:14
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let (ss, ssd, md) =
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_ssd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.06s
[INFO] running `Command { std: "docker" "inspect" "172c3d27f27997a6da542a05aefbbb52c53d54e6e0476868fce13e4f18f833f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172c3d27f27997a6da542a05aefbbb52c53d54e6e0476868fce13e4f18f833f2", kill_on_drop: false }`
[INFO] [stdout] 172c3d27f27997a6da542a05aefbbb52c53d54e6e0476868fce13e4f18f833f2
[INFO] checking sunspec_rs-0.6.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate sunspec_rs 0.6.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate sunspec_rs 0.6.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sunspec_rs 0.6.1
[INFO] finished tweaking crates.io crate sunspec_rs 0.6.1
[INFO] tweaked toml for crates.io crate sunspec_rs 0.6.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate sunspec_rs 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2dabaab9a8786e32fe5cfce239d9bbe422979c84b647f984c3abce5411d9678
[INFO] running `Command { std: "docker" "start" "-a" "c2dabaab9a8786e32fe5cfce239d9bbe422979c84b647f984c3abce5411d9678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2dabaab9a8786e32fe5cfce239d9bbe422979c84b647f984c3abce5411d9678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2dabaab9a8786e32fe5cfce239d9bbe422979c84b647f984c3abce5411d9678", kill_on_drop: false }`
[INFO] [stdout] c2dabaab9a8786e32fe5cfce239d9bbe422979c84b647f984c3abce5411d9678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d08913be7d2e39fa76356efedeae0f76ab0b21e4d233f0692acc1fe9cd081164
[INFO] running `Command { std: "docker" "start" "-a" "d08913be7d2e39fa76356efedeae0f76ab0b21e4d233f0692acc1fe9cd081164", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]    Compiling serde v1.0.186
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]    Compiling num-traits v0.2.16
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[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking num_cpus v1.16.0
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[INFO] [stderr]     Checking thread_local v1.1.7
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[INFO] [stderr]     Checking xml-rs v0.8.16
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.186
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-recursion v1.0.4
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking clap v4.4.0
[INFO] [stderr]     Checking clap-verbosity-flag v2.0.1
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-retry v0.3.0
[INFO] [stderr]     Checking tokio-modbus v0.9.0
[INFO] [stderr]     Checking serde-xml-rs v0.6.0
[INFO] [stderr]     Checking sunspec_rs v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/lib/model_data.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/lib/sunspec_connection.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::string::ToString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/lib/model_data.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/lib/sunspec_connection.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::string::ToString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/scan_slaves/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/scan_slaves/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/cli_args/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]   --> src/bin/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing_subscriber;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/get_models/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/get_models/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sunspec_rs::model_data::ModelData`
[INFO] [stdout]  --> tests/test_reads.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use sunspec_rs::model_data::ModelData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/get_models/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model_field`
[INFO] [stdout]  --> tests/common/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     model_field: String,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_field`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/get_models/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/cli_args/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]   --> src/bin/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tracing_subscriber;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap_verbosity_flag` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/scan_slaves/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap_verbosity_flag;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ the item `clap_verbosity_flag` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tracing_subscriber` is imported redundantly
[INFO] [stdout]  --> src/bin/tools/scan_slaves/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing_subscriber;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ the item `tracing_subscriber` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model_field`
[INFO] [stdout]  --> tests/common/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     model_field: String,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_model_field`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_writes.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_writes.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_writes.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_writes.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_writes.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_reads.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_writes.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_reads.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssd`
[INFO] [stdout]   --> tests/test_reads.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (ss, ssd, md) =
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ssd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_writes.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_reads.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_writes.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_reads.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let slave: u8 = 9_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssd`
[INFO] [stdout]   --> tests/test_reads.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (ss, ssd, md) =
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ssd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> tests/test_reads.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let connection: &str = "127.0.0.1:5083";
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slave`
[INFO] [stdout]   --> tests/test_reads.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let slave: u8 = 3_u8;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_slave`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssd`
[INFO] [stdout]   --> tests/test_reads.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let (ss, ssd, md) =
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ssd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssd`
[INFO] [stdout]   --> tests/test_reads.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let (ss, ssd, md) =
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_ssd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssd`
[INFO] [stdout]    --> tests/test_reads.rs:122:14
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let (ss, ssd, md) =
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_ssd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.73s
[INFO] running `Command { std: "docker" "inspect" "d08913be7d2e39fa76356efedeae0f76ab0b21e4d233f0692acc1fe9cd081164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08913be7d2e39fa76356efedeae0f76ab0b21e4d233f0692acc1fe9cd081164", kill_on_drop: false }`
[INFO] [stdout] d08913be7d2e39fa76356efedeae0f76ab0b21e4d233f0692acc1fe9cd081164