[INFO] fetching crate libublk 0.4.5...
[INFO] checking libublk-0.4.5 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global
[INFO] extracting crate libublk 0.4.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate libublk 0.4.5
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libublk 0.4.5
[INFO] tweaked toml for crates.io crate libublk 0.4.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libublk 0.4.5 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libublk 0.4.5 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e98de030dc19ed0354f6ce6d66e62f89c2528219584773776c0cd486f8c667c1
[INFO] running `Command { std: "docker" "start" "-a" "e98de030dc19ed0354f6ce6d66e62f89c2528219584773776c0cd486f8c667c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e98de030dc19ed0354f6ce6d66e62f89c2528219584773776c0cd486f8c667c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98de030dc19ed0354f6ce6d66e62f89c2528219584773776c0cd486f8c667c1", kill_on_drop: false }`
[INFO] [stdout] e98de030dc19ed0354f6ce6d66e62f89c2528219584773776c0cd486f8c667c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7f12dc310c415c9209d2cb98b10a5d82c43225ab8db76dc94eaa93864f104b5
[INFO] running `Command { std: "docker" "start" "-a" "f7f12dc310c415c9209d2cb98b10a5d82c43225ab8db76dc94eaa93864f104b5", kill_on_drop: false }`
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[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling libublk v0.4.5 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused import: `with_queue_ring_internal`
[INFO] [stdout]    --> src/io.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub(crate) use with_queue_ring_internal;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `with_queue_ring_internal`
[INFO] [stdout]    --> src/io.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub(crate) use with_queue_ring_internal;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.31s
[INFO] running `Command { std: "docker" "inspect" "f7f12dc310c415c9209d2cb98b10a5d82c43225ab8db76dc94eaa93864f104b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f12dc310c415c9209d2cb98b10a5d82c43225ab8db76dc94eaa93864f104b5", kill_on_drop: false }`
[INFO] [stdout] f7f12dc310c415c9209d2cb98b10a5d82c43225ab8db76dc94eaa93864f104b5