[INFO] fetching crate keda-oracle-scaler 0.1.0...
[INFO] checking keda-oracle-scaler-0.1.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate keda-oracle-scaler 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate keda-oracle-scaler 0.1.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39ad20230e123008c82dff9759b84bcca987b635575c017c498a5670eba81fb9
[INFO] running `Command { std: "docker" "start" "-a" "39ad20230e123008c82dff9759b84bcca987b635575c017c498a5670eba81fb9", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "39ad20230e123008c82dff9759b84bcca987b635575c017c498a5670eba81fb9", kill_on_drop: false }`
[INFO] [stdout] 39ad20230e123008c82dff9759b84bcca987b635575c017c498a5670eba81fb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ee08b3291712e6294c0ce79fc724e1f5e8768ccab38c711fa9d6ebfbbf6b256
[INFO] running `Command { std: "docker" "start" "-a" "2ee08b3291712e6294c0ce79fc724e1f5e8768ccab38c711fa9d6ebfbbf6b256", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.38
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[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling prost-derive v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking protobuf-support v3.0.2
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.10.3
[INFO] [stderr]    Compiling prost-types v0.10.1
[INFO] [stderr]    Compiling tonic-build v0.7.2
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking axum-core v0.2.4
[INFO] [stderr]    Compiling keda-oracle-scaler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking tower v0.4.12
[INFO] [stderr]     Checking grpc v0.8.3
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[INFO] [stderr]     Checking grpc-protobuf v0.8.3
[INFO] [stderr]     Checking hyper v0.14.18
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[INFO] [stderr]     Checking axum v0.5.5
[INFO] [stderr]     Checking tonic v0.7.2
[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)]` 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 |         drop(DB_CONNECTION.lock());
[INFO] [stdout]     |         ~~~~~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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 |         drop(DB_CONNECTION.lock());
[INFO] [stdout]     |         ~~~~~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keda-oracle-scaler` (bin "keda-oracle-scaler" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `keda-oracle-scaler` (bin "keda-oracle-scaler") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2ee08b3291712e6294c0ce79fc724e1f5e8768ccab38c711fa9d6ebfbbf6b256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee08b3291712e6294c0ce79fc724e1f5e8768ccab38c711fa9d6ebfbbf6b256", kill_on_drop: false }`
[INFO] [stdout] 2ee08b3291712e6294c0ce79fc724e1f5e8768ccab38c711fa9d6ebfbbf6b256
[INFO] checking keda-oracle-scaler-0.1.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate keda-oracle-scaler 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate keda-oracle-scaler 0.1.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12da43bd552b9e9aea410e754150d4a228af6cbc587f94e0b1874f019322c798
[INFO] running `Command { std: "docker" "start" "-a" "12da43bd552b9e9aea410e754150d4a228af6cbc587f94e0b1874f019322c798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12da43bd552b9e9aea410e754150d4a228af6cbc587f94e0b1874f019322c798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12da43bd552b9e9aea410e754150d4a228af6cbc587f94e0b1874f019322c798", kill_on_drop: false }`
[INFO] [stdout] 12da43bd552b9e9aea410e754150d4a228af6cbc587f94e0b1874f019322c798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd748e89853265b0ca04a802413ad4370035434e96181a67bdc90b42cd475e1e
[INFO] running `Command { std: "docker" "start" "-a" "fd748e89853265b0ca04a802413ad4370035434e96181a67bdc90b42cd475e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling protobuf v2.18.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]     Checking bytes v0.5.6
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[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking axum-core v0.2.4
[INFO] [stderr]    Compiling keda-oracle-scaler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking 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)]` 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 |         drop(DB_CONNECTION.lock());
[INFO] [stdout]     |         ~~~~~                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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 |         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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keda-oracle-scaler` (bin "keda-oracle-scaler" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fd748e89853265b0ca04a802413ad4370035434e96181a67bdc90b42cd475e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd748e89853265b0ca04a802413ad4370035434e96181a67bdc90b42cd475e1e", kill_on_drop: false }`
[INFO] [stdout] fd748e89853265b0ca04a802413ad4370035434e96181a67bdc90b42cd475e1e
