[INFO] cloning repository https://github.com/bnm3k/duckdb-udf-rust-py
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bnm3k/duckdb-udf-rust-py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnm3k%2Fduckdb-udf-rust-py", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnm3k%2Fduckdb-udf-rust-py'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23e9354ca7eb96fc99d5aa38bf340dde1ee30e4e
[INFO] checking bnm3k/duckdb-udf-rust-py/23e9354ca7eb96fc99d5aa38bf340dde1ee30e4e against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnm3k%2Fduckdb-udf-rust-py" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bnm3k/duckdb-udf-rust-py on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bnm3k/duckdb-udf-rust-py
[INFO] finished tweaking git repo https://github.com/bnm3k/duckdb-udf-rust-py
[INFO] tweaked toml for git repo https://github.com/bnm3k/duckdb-udf-rust-py written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bnm3k/duckdb-udf-rust-py 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrow-row v49.0.0
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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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d746a49028ea4613f24b3fa7d5eaa403218086e09df0626283f8c578faa937a
[INFO] running `Command { std: "docker" "start" "-a" "8d746a49028ea4613f24b3fa7d5eaa403218086e09df0626283f8c578faa937a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d746a49028ea4613f24b3fa7d5eaa403218086e09df0626283f8c578faa937a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d746a49028ea4613f24b3fa7d5eaa403218086e09df0626283f8c578faa937a", kill_on_drop: false }`
[INFO] [stdout] 8d746a49028ea4613f24b3fa7d5eaa403218086e09df0626283f8c578faa937a
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 097b87974a20a39c4a75e95f5b3683765f9dfff6e88360f430e544b35258093c
[INFO] running `Command { std: "docker" "start" "-a" "097b87974a20a39c4a75e95f5b3683765f9dfff6e88360f430e544b35258093c", kill_on_drop: false }`
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[INFO] [stderr]     Checking num v0.4.1
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[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking arrow-select v49.0.0
[INFO] [stderr]     Checking arrow-arith v49.0.0
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[INFO] [stderr]     Checking arrow v49.0.0
[INFO] [stderr]     Checking udf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `strs`
[INFO] [stdout]  --> src/bin/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let strs = arr::StringArray::from(vec![Some("foo"), Some("bar"), None, Some("barx")]);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_strs`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `strs`
[INFO] [stdout]  --> src/bin/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let strs = arr::StringArray::from(vec![Some("foo"), Some("bar"), None, Some("barx")]);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_strs`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.71s
[INFO] running `Command { std: "docker" "inspect" "097b87974a20a39c4a75e95f5b3683765f9dfff6e88360f430e544b35258093c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097b87974a20a39c4a75e95f5b3683765f9dfff6e88360f430e544b35258093c", kill_on_drop: false }`
[INFO] [stdout] 097b87974a20a39c4a75e95f5b3683765f9dfff6e88360f430e544b35258093c