[INFO] fetching crate libublk 0.4.5...
[INFO] checking libublk-0.4.5 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate libublk 0.4.5 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libublk 0.4.5 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dtor-proc-macro v0.0.6
[INFO] [stderr]   Downloaded block-utils v0.11.1
[INFO] [stderr]   Downloaded fstab v0.4.0
[INFO] [stderr]   Downloaded ctor-proc-macro v0.0.6
[INFO] [stderr]   Downloaded bitmaps v3.2.0
[INFO] [stderr]   Downloaded polling v3.4.0
[INFO] [stderr]   Downloaded udev v0.5.0
[INFO] [stderr]   Downloaded async-fs v2.1.2
[INFO] [stderr]   Downloaded async-net v2.0.0
[INFO] [stderr]   Downloaded async-io v2.3.1
[INFO] [stderr]   Downloaded async-signal v0.2.5
[INFO] [stderr]   Downloaded async-process v2.3.0
[INFO] [stderr]   Downloaded ctor v0.5.0
[INFO] [stderr]   Downloaded derive_setters v0.1.6
[INFO] [stderr]   Downloaded ilog v1.0.1
[INFO] [stderr]   Downloaded syn v2.0.91
[INFO] [stderr]   Downloaded shellscript v0.3.1
[INFO] [stderr]   Downloaded smol v2.0.2
[INFO] [stderr]   Downloaded dtor v0.1.0
[INFO] [stderr]   Downloaded daemonize v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99a6af357d3caf104e3227d0790b3fdddd73392fd5a818781556862ad95596bd
[INFO] running `Command { std: "docker" "start" "-a" "99a6af357d3caf104e3227d0790b3fdddd73392fd5a818781556862ad95596bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99a6af357d3caf104e3227d0790b3fdddd73392fd5a818781556862ad95596bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a6af357d3caf104e3227d0790b3fdddd73392fd5a818781556862ad95596bd", kill_on_drop: false }`
[INFO] [stdout] 99a6af357d3caf104e3227d0790b3fdddd73392fd5a818781556862ad95596bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1302d0fdc7be3856125b6df9eb0c625c98410bd88bcdb173273c1e871524898
[INFO] running `Command { std: "docker" "start" "-a" "e1302d0fdc7be3856125b6df9eb0c625c98410bd88bcdb173273c1e871524898", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
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[INFO] [stderr]    Compiling futures-macro v0.3.31
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[INFO] [stderr]     Checking serde v1.0.190
[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)
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking block-utils v0.11.1
[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 25.41s
[INFO] running `Command { std: "docker" "inspect" "e1302d0fdc7be3856125b6df9eb0c625c98410bd88bcdb173273c1e871524898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1302d0fdc7be3856125b6df9eb0c625c98410bd88bcdb173273c1e871524898", kill_on_drop: false }`
[INFO] [stdout] e1302d0fdc7be3856125b6df9eb0c625c98410bd88bcdb173273c1e871524898