[INFO] fetching crate thund-delta 0.0.1...
[INFO] checking thund-delta-0.0.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate thund-delta 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate thund-delta 0.0.1
[INFO] finished tweaking crates.io crate thund-delta 0.0.1
[INFO] tweaked toml for crates.io crate thund-delta 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thund-delta 0.0.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding arrow2 v0.14.2 (available: v0.18.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 329b3b72bdd34ee8a09e9e35e21136614738362c20c4579dc561ad05397b9bf2
[INFO] running `Command { std: "docker" "start" "-a" "329b3b72bdd34ee8a09e9e35e21136614738362c20c4579dc561ad05397b9bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "329b3b72bdd34ee8a09e9e35e21136614738362c20c4579dc561ad05397b9bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "329b3b72bdd34ee8a09e9e35e21136614738362c20c4579dc561ad05397b9bf2", kill_on_drop: false }`
[INFO] [stdout] 329b3b72bdd34ee8a09e9e35e21136614738362c20c4579dc561ad05397b9bf2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da0b325f49ffde8795b9bf793f96025f70d97b90dab12cb529fd84134dd414a5
[INFO] running `Command { std: "docker" "start" "-a" "da0b325f49ffde8795b9bf793f96025f70d97b90dab12cb529fd84134dd414a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking hash_hasher v2.0.4
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]     Checking arrow2 v0.14.2
[INFO] [stderr]     Checking arrowalloy v0.0.3
[INFO] [stderr]     Checking thund-delta v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `DeltaBackend` is never constructed
[INFO] [stdout]   --> src/implentation/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct DeltaBackend {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DeltaBackend` is never constructed
[INFO] [stdout]   --> src/implentation/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct DeltaBackend {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.23s
[INFO] running `Command { std: "docker" "inspect" "da0b325f49ffde8795b9bf793f96025f70d97b90dab12cb529fd84134dd414a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da0b325f49ffde8795b9bf793f96025f70d97b90dab12cb529fd84134dd414a5", kill_on_drop: false }`
[INFO] [stdout] da0b325f49ffde8795b9bf793f96025f70d97b90dab12cb529fd84134dd414a5