[INFO] fetching crate virtio-drivers 0.7.5...
[INFO] checking virtio-drivers-0.7.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate virtio-drivers 0.7.5 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate virtio-drivers 0.7.5 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate virtio-drivers 0.7.5
[INFO] finished tweaking crates.io crate virtio-drivers 0.7.5
[INFO] tweaked toml for crates.io crate virtio-drivers 0.7.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f4b0686ab77b0c5f0d3291cd1e9441ebeeb30dc5d4ac2ddf628b321dafaf1ea
[INFO] running `Command { std: "docker" "start" "-a" "5f4b0686ab77b0c5f0d3291cd1e9441ebeeb30dc5d4ac2ddf628b321dafaf1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4b0686ab77b0c5f0d3291cd1e9441ebeeb30dc5d4ac2ddf628b321dafaf1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4b0686ab77b0c5f0d3291cd1e9441ebeeb30dc5d4ac2ddf628b321dafaf1ea", kill_on_drop: false }`
[INFO] [stdout] 5f4b0686ab77b0c5f0d3291cd1e9441ebeeb30dc5d4ac2ddf628b321dafaf1ea
[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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57b0d4f597c316763efd6d51fdbb60cbcd8ddf81f02e035769f0894f254f8b3a
[INFO] running `Command { std: "docker" "start" "-a" "57b0d4f597c316763efd6d51fdbb60cbcd8ddf81f02e035769f0894f254f8b3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling enumn v0.1.14
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking virtio-drivers v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing documentation for a module
[INFO] [stdout]   --> src/transport/mod.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub mod fake;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 | #![deny(unused_must_use, missing_docs)]
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]   --> src/transport/fake.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub device_type: DeviceType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]   --> src/transport/fake.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub max_queue_size: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]   --> src/transport/fake.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub device_features: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]   --> src/transport/fake.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub config_space: NonNull<C>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]   --> src/transport/fake.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub state: Arc<Mutex<State>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct
[INFO] [stdout]    --> src/transport/fake.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct State {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]    --> src/transport/fake.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub status: DeviceStatus,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]    --> src/transport/fake.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub driver_features: u64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]    --> src/transport/fake.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub guest_page_size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]    --> src/transport/fake.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub interrupt_pending: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]    --> src/transport/fake.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub queues: Vec<QueueStatus>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct
[INFO] [stdout]    --> src/transport/fake.rs:201:1
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub struct QueueStatus {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]    --> src/transport/fake.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub size: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]    --> src/transport/fake.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub descriptors: PhysAddr,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]    --> src/transport/fake.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub driver_area: PhysAddr,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]    --> src/transport/fake.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub device_area: PhysAddr,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a struct field
[INFO] [stdout]    --> src/transport/fake.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub notified: AtomicBool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `virtio-drivers` (lib test) due to 19 previous errors
[INFO] running `Command { std: "docker" "inspect" "57b0d4f597c316763efd6d51fdbb60cbcd8ddf81f02e035769f0894f254f8b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b0d4f597c316763efd6d51fdbb60cbcd8ddf81f02e035769f0894f254f8b3a", kill_on_drop: false }`
[INFO] [stdout] 57b0d4f597c316763efd6d51fdbb60cbcd8ddf81f02e035769f0894f254f8b3a