[INFO] fetching crate vecdb 0.2.5...
[INFO] checking vecdb-0.2.5 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate vecdb 0.2.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate vecdb 0.2.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vecdb 0.2.5
[INFO] tweaked toml for crates.io crate vecdb 0.2.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vecdb 0.2.5 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vecdb 0.2.5 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 556ff5aa241cc3f6efb54151723a100a05e556d306f498405c58249f30ed0537
[INFO] running `Command { std: "docker" "start" "-a" "556ff5aa241cc3f6efb54151723a100a05e556d306f498405c58249f30ed0537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "556ff5aa241cc3f6efb54151723a100a05e556d306f498405c58249f30ed0537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556ff5aa241cc3f6efb54151723a100a05e556d306f498405c58249f30ed0537", kill_on_drop: false }`
[INFO] [stdout] 556ff5aa241cc3f6efb54151723a100a05e556d306f498405c58249f30ed0537
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cb954af3fb0efe4c36df322f179bd4c271ef081ca7653e0b1d3fb4a09ee2f85
[INFO] running `Command { std: "docker" "start" "-a" "0cb954af3fb0efe4c36df322f179bd4c271ef081ca7653e0b1d3fb4a09ee2f85", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling pco v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling seqdb v0.2.5
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking memmap2 v0.9.7
[INFO] [stderr]    Compiling vecdb v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking better_io v0.1.0
[INFO] [stderr]     Checking dtype_dispatch v0.1.1
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking ctrlc v3.4.7
[INFO] [stderr]    Compiling zerocopy-derive v0.8.26
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stdout] warning: unused variable: `prev_stored_len`
[INFO] [stdout]    --> src/traits/generic.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let prev_stored_len = usize::read_from_bytes(&bytes[pos..pos + len])?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_stored_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pushed`
[INFO] [stdout]    --> src/traits/generic.rs:393:13
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let pushed = bytes[pos..pos + len]
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pushed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_updated`
[INFO] [stdout]    --> src/traits/generic.rs:408:17
[INFO] [stdout]     |
[INFO] [stdout] 408 |         let mut prev_updated: BTreeMap<usize, T> = prev_indexes
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_updated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/traits/generic.rs:408:13
[INFO] [stdout]     |
[INFO] [stdout] 408 |         let mut prev_updated: BTreeMap<usize, T> = prev_indexes
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_stored_len`
[INFO] [stdout]    --> src/traits/generic.rs:349:13
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let prev_stored_len = usize::read_from_bytes(&bytes[pos..pos + len])?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_stored_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pushed`
[INFO] [stdout]    --> src/traits/generic.rs:393:13
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let pushed = bytes[pos..pos + len]
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pushed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_updated`
[INFO] [stdout]    --> src/traits/generic.rs:408:17
[INFO] [stdout]     |
[INFO] [stdout] 408 |         let mut prev_updated: BTreeMap<usize, T> = prev_indexes
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_updated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/traits/generic.rs:408:13
[INFO] [stdout]     |
[INFO] [stdout] 408 |         let mut prev_updated: BTreeMap<usize, T> = prev_indexes
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `Command { std: "docker" "inspect" "0cb954af3fb0efe4c36df322f179bd4c271ef081ca7653e0b1d3fb4a09ee2f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb954af3fb0efe4c36df322f179bd4c271ef081ca7653e0b1d3fb4a09ee2f85", kill_on_drop: false }`
[INFO] [stdout] 0cb954af3fb0efe4c36df322f179bd4c271ef081ca7653e0b1d3fb4a09ee2f85