[INFO] fetching crate pinecone 0.2.5...
[INFO] building pinecone-0.2.5 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate pinecone 0.2.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate pinecone 0.2.5
[INFO] finished tweaking crates.io crate pinecone 0.2.5
[INFO] tweaked toml for crates.io crate pinecone 0.2.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pinecone 0.2.5 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.11.2 (available: v0.16.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e30bfbfc0eb5eb7e544ddf48decb98300f23b5576360b712360b800b9f314bd7
[INFO] running `Command { std: "docker" "start" "-a" "e30bfbfc0eb5eb7e544ddf48decb98300f23b5576360b712360b800b9f314bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e30bfbfc0eb5eb7e544ddf48decb98300f23b5576360b712360b800b9f314bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e30bfbfc0eb5eb7e544ddf48decb98300f23b5576360b712360b800b9f314bd7", kill_on_drop: false }`
[INFO] [stdout] e30bfbfc0eb5eb7e544ddf48decb98300f23b5576360b712360b800b9f314bd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e7899d498a7f6c00b00b1e3c769f1ec8451681bc9676b5000beaf4072d11775
[INFO] running `Command { std: "docker" "start" "-a" "3e7899d498a7f6c00b00b1e3c769f1ec8451681bc9676b5000beaf4072d11775", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling pinecone v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on type aliases
[INFO] [stdout]   --> src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to functions, data types, unions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "3e7899d498a7f6c00b00b1e3c769f1ec8451681bc9676b5000beaf4072d11775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7899d498a7f6c00b00b1e3c769f1ec8451681bc9676b5000beaf4072d11775", kill_on_drop: false }`
[INFO] [stdout] 3e7899d498a7f6c00b00b1e3c769f1ec8451681bc9676b5000beaf4072d11775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 369bbe30c62bf39ee2bf44199bc319fe7255cc2ccabbbc3ba0ff5b4d3233f651
[INFO] running `Command { std: "docker" "start" "-a" "369bbe30c62bf39ee2bf44199bc319fe7255cc2ccabbbc3ba0ff5b4d3233f651", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on type aliases
[INFO] [stdout]   --> src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to functions, data types, unions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling pinecone v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RefStruct` is never constructed
[INFO] [stdout]   --> tests/loopback.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct RefStruct<'a> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on type aliases
[INFO] [stdout]   --> src/error.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | #[must_use]
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to functions, data types, unions, and traits
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "369bbe30c62bf39ee2bf44199bc319fe7255cc2ccabbbc3ba0ff5b4d3233f651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369bbe30c62bf39ee2bf44199bc319fe7255cc2ccabbbc3ba0ff5b4d3233f651", kill_on_drop: false }`
[INFO] [stdout] 369bbe30c62bf39ee2bf44199bc319fe7255cc2ccabbbc3ba0ff5b4d3233f651