[INFO] fetching crate consistent-rs 0.1.1...
[INFO] checking consistent-rs-0.1.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate consistent-rs 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate consistent-rs 0.1.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate consistent-rs 0.1.1
[INFO] finished tweaking crates.io crate consistent-rs 0.1.1
[INFO] tweaked toml for crates.io crate consistent-rs 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6941b3f9085710442ede5f51a1483a367db7ee59b6b94c5aa80e450aa0198b1
[INFO] running `Command { std: "docker" "start" "-a" "a6941b3f9085710442ede5f51a1483a367db7ee59b6b94c5aa80e450aa0198b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6941b3f9085710442ede5f51a1483a367db7ee59b6b94c5aa80e450aa0198b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6941b3f9085710442ede5f51a1483a367db7ee59b6b94c5aa80e450aa0198b1", kill_on_drop: false }`
[INFO] [stdout] a6941b3f9085710442ede5f51a1483a367db7ee59b6b94c5aa80e450aa0198b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 835426b65d03251429b8d3163f86492464c1fbb16730925c7a4dc8a94ffa44eb
[INFO] running `Command { std: "docker" "start" "-a" "835426b65d03251429b8d3163f86492464c1fbb16730925c7a4dc8a94ffa44eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking consistent-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _ = self.lock.write().expect("wLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _unused = self.lock.write().expect("wLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         drop(self.lock.write().expect("wLock"));
[INFO] [stdout]    |         ~~~~~                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/consistant.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = self.lock.write().expect("wLock");
[INFO] [stdout]     |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _unused = self.lock.write().expect("wLock");
[INFO] [stdout]     |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         drop(self.lock.write().expect("wLock"));
[INFO] [stdout]     |         ~~~~~                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `consistent-rs` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _ = self.lock.write().expect("wLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _unused = self.lock.write().expect("wLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         drop(self.lock.write().expect("wLock"));
[INFO] [stdout]    |         ~~~~~                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/consistant.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = self.lock.write().expect("wLock");
[INFO] [stdout]     |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _unused = self.lock.write().expect("wLock");
[INFO] [stdout]     |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         drop(self.lock.write().expect("wLock"));
[INFO] [stdout]     |         ~~~~~                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `consistent-rs` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "835426b65d03251429b8d3163f86492464c1fbb16730925c7a4dc8a94ffa44eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835426b65d03251429b8d3163f86492464c1fbb16730925c7a4dc8a94ffa44eb", kill_on_drop: false }`
[INFO] [stdout] 835426b65d03251429b8d3163f86492464c1fbb16730925c7a4dc8a94ffa44eb
[INFO] checking consistent-rs-0.1.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate consistent-rs 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate consistent-rs 0.1.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate consistent-rs 0.1.1
[INFO] finished tweaking crates.io crate consistent-rs 0.1.1
[INFO] tweaked toml for crates.io crate consistent-rs 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aedec49eeaa6467398857d0511e78f3e7d72ad97bdccdd9b1d15ed6285d86d4c
[INFO] running `Command { std: "docker" "start" "-a" "aedec49eeaa6467398857d0511e78f3e7d72ad97bdccdd9b1d15ed6285d86d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aedec49eeaa6467398857d0511e78f3e7d72ad97bdccdd9b1d15ed6285d86d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedec49eeaa6467398857d0511e78f3e7d72ad97bdccdd9b1d15ed6285d86d4c", kill_on_drop: false }`
[INFO] [stdout] aedec49eeaa6467398857d0511e78f3e7d72ad97bdccdd9b1d15ed6285d86d4c
[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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 403ded763cd9450924ab032518f29d9cfbea02f061e0cbe1629675704593e0de
[INFO] running `Command { std: "docker" "start" "-a" "403ded763cd9450924ab032518f29d9cfbea02f061e0cbe1629675704593e0de", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking consistent-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _ = self.lock.write().expect("wLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _unused = self.lock.write().expect("wLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         drop(self.lock.write().expect("wLock"));
[INFO] [stdout]    |         ~~~~~                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/consistant.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = self.lock.write().expect("wLock");
[INFO] [stdout]     |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _unused = self.lock.write().expect("wLock");
[INFO] [stdout]     |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         drop(self.lock.write().expect("wLock"));
[INFO] [stdout]     |         ~~~~~                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `consistent-rs` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 45 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _ = self.lock.write().expect("wLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let _unused = self.lock.write().expect("wLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 51 |         drop(self.lock.write().expect("wLock"));
[INFO] [stdout]    |         ~~~~~                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]   --> src/consistant.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let _ = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]    |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let _unused = self.lock.read().expect("rLock");
[INFO] [stdout]    |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]    |
[INFO] [stdout] 80 |         drop(self.lock.read().expect("rLock"));
[INFO] [stdout]    |         ~~~~~                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/consistant.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = self.lock.write().expect("wLock");
[INFO] [stdout]     |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _unused = self.lock.write().expect("wLock");
[INFO] [stdout]     |             ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         drop(self.lock.write().expect("wLock"));
[INFO] [stdout]     |         ~~~~~                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `consistent-rs` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "403ded763cd9450924ab032518f29d9cfbea02f061e0cbe1629675704593e0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403ded763cd9450924ab032518f29d9cfbea02f061e0cbe1629675704593e0de", kill_on_drop: false }`
[INFO] [stdout] 403ded763cd9450924ab032518f29d9cfbea02f061e0cbe1629675704593e0de
