[INFO] fetching crate keda-oracle-scaler 0.1.0...
[INFO] testing keda-oracle-scaler-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate keda-oracle-scaler 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate keda-oracle-scaler 0.1.0
[INFO] finished tweaking crates.io crate keda-oracle-scaler 0.1.0
[INFO] tweaked toml for crates.io crate keda-oracle-scaler 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate keda-oracle-scaler 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate keda-oracle-scaler 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b4ec2eaa29778189b11bb1dc6c0a75d93ddcb57d048732413d22c75a3c7b57
[INFO] running `Command { std: "docker" "start" "-a" "f1b4ec2eaa29778189b11bb1dc6c0a75d93ddcb57d048732413d22c75a3c7b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b4ec2eaa29778189b11bb1dc6c0a75d93ddcb57d048732413d22c75a3c7b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b4ec2eaa29778189b11bb1dc6c0a75d93ddcb57d048732413d22c75a3c7b57", kill_on_drop: false }`
[INFO] [stdout] f1b4ec2eaa29778189b11bb1dc6c0a75d93ddcb57d048732413d22c75a3c7b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6be20e906c10f299aa43b574bd828b4b278b5bd63ac2441637446046b5a1ae2a
[INFO] running `Command { std: "docker" "start" "-a" "6be20e906c10f299aa43b574bd828b4b278b5bd63ac2441637446046b5a1ae2a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling keda-oracle-scaler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-util v0.7.1
[INFO] [stderr]    Compiling tokio-io-timeout v1.2.0
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[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/main.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let _ = DB_CONNECTION.lock();
[INFO] [stdout]     |             ^ this lock is not assigned to a binding and is immediately dropped
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(let_underscore_lock)]` (part of `#[deny(let_underscore)]`) on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let _unused = DB_CONNECTION.lock();
[INFO] [stdout]     |              ++++++
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 145 -         let _ = DB_CONNECTION.lock();
[INFO] [stdout] 145 +         drop(DB_CONNECTION.lock());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keda-oracle-scaler` (bin "keda-oracle-scaler") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6be20e906c10f299aa43b574bd828b4b278b5bd63ac2441637446046b5a1ae2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be20e906c10f299aa43b574bd828b4b278b5bd63ac2441637446046b5a1ae2a", kill_on_drop: false }`
[INFO] [stdout] 6be20e906c10f299aa43b574bd828b4b278b5bd63ac2441637446046b5a1ae2a
