[INFO] fetching crate virtio-driver 0.6.1... [INFO] checking virtio-driver-0.6.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate virtio-driver 0.6.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate virtio-driver 0.6.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate virtio-driver 0.6.1 [INFO] finished tweaking crates.io crate virtio-driver 0.6.1 [INFO] tweaked toml for crates.io crate virtio-driver 0.6.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fe0a298801368dd531e2d5503c7a90ac0ec0bbea65f26eb82a5ae70b0d1339ec [INFO] running `Command { std: "docker" "start" "-a" "fe0a298801368dd531e2d5503c7a90ac0ec0bbea65f26eb82a5ae70b0d1339ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe0a298801368dd531e2d5503c7a90ac0ec0bbea65f26eb82a5ae70b0d1339ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe0a298801368dd531e2d5503c7a90ac0ec0bbea65f26eb82a5ae70b0d1339ec", kill_on_drop: false }` [INFO] [stdout] fe0a298801368dd531e2d5503c7a90ac0ec0bbea65f26eb82a5ae70b0d1339ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b971947a40c08f4b26d882c0c78b6025cdcd0711873eeecac79ae98c3e0db71 [INFO] running `Command { std: "docker" "start" "-a" "5b971947a40c08f4b26d882c0c78b6025cdcd0711873eeecac79ae98c3e0db71", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Checking virtio-driver v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `IovaMapping` is never constructed [INFO] [stdout] --> src/util/iova.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct IovaMapping { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IovaSpace` is never constructed [INFO] [stdout] --> src/util/iova.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct IovaSpace { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IovaSpace` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/util/iova.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl IovaSpace { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 26 | // Ranges must be in increasing IOVA order, and must not overlap. [INFO] [stdout] 27 | pub fn new(available_ranges: impl IntoIterator>) -> IovaSpace { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn allocate(&mut self, address: usize, size: usize) -> io::Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn find_free_iova_range(&self, address: usize, size: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn free(&mut self, address: usize, size: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn translate(&self, address: usize, size: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | fn get_mapping_intersecting(&self, address: usize, size: usize) -> Option<&IovaMapping> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | fn get_mapping_containing(&self, address: usize, size: usize) -> Option<&IovaMapping> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IovaMapping` is never constructed [INFO] [stdout] --> src/util/iova.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct IovaMapping { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IovaSpace` is never constructed [INFO] [stdout] --> src/util/iova.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct IovaSpace { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IovaSpace` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/util/iova.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl IovaSpace { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 26 | // Ranges must be in increasing IOVA order, and must not overlap. [INFO] [stdout] 27 | pub fn new(available_ranges: impl IntoIterator>) -> IovaSpace { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn allocate(&mut self, address: usize, size: usize) -> io::Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | fn find_free_iova_range(&self, address: usize, size: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn free(&mut self, address: usize, size: usize) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn translate(&self, address: usize, size: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | fn get_mapping_intersecting(&self, address: usize, size: usize) -> Option<&IovaMapping> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | fn get_mapping_containing(&self, address: usize, size: usize) -> Option<&IovaMapping> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.93s [INFO] running `Command { std: "docker" "inspect" "5b971947a40c08f4b26d882c0c78b6025cdcd0711873eeecac79ae98c3e0db71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b971947a40c08f4b26d882c0c78b6025cdcd0711873eeecac79ae98c3e0db71", kill_on_drop: false }` [INFO] [stdout] 5b971947a40c08f4b26d882c0c78b6025cdcd0711873eeecac79ae98c3e0db71