[INFO] fetching crate virtio-driver 0.6.1...
[INFO] building virtio-driver-0.6.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate virtio-driver 0.6.1 into /workspace/builds/worker-5-tc2/source
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate virtio-driver 0.6.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding rustix v0.38.44 (available: v1.1.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e532ac3e0718d4f5b98e55a3e35afe63751855ab4c168fd3181044a4c4ac3906
[INFO] running `Command { std: "docker" "start" "-a" "e532ac3e0718d4f5b98e55a3e35afe63751855ab4c168fd3181044a4c4ac3906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e532ac3e0718d4f5b98e55a3e35afe63751855ab4c168fd3181044a4c4ac3906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e532ac3e0718d4f5b98e55a3e35afe63751855ab4c168fd3181044a4c4ac3906", kill_on_drop: false }`
[INFO] [stdout] e532ac3e0718d4f5b98e55a3e35afe63751855ab4c168fd3181044a4c4ac3906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f35caac55cbd186d72908f15768c9260aa1e23118067a65fafe9b4938774fc2
[INFO] running `Command { std: "docker" "start" "-a" "9f35caac55cbd186d72908f15768c9260aa1e23118067a65fafe9b4938774fc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/eventfd.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn as_fd(&self) -> BorrowedFd {
[INFO] [stdout]    |              ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |
[INFO] [stdout]    |              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn as_fd(&self) -> BorrowedFd<'_> {
[INFO] [stdout]    |                                  ++++
[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] 
[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<Item = RangeInclusive<Iova>>) -> IovaSpace {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  38 |     pub fn allocate(&mut self, address: usize, size: usize) -> io::Result<Iova> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  63 |     fn find_free_iova_range(&self, address: usize, size: usize) -> Option<IovaMapping> {
[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<Iova> {
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "9f35caac55cbd186d72908f15768c9260aa1e23118067a65fafe9b4938774fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f35caac55cbd186d72908f15768c9260aa1e23118067a65fafe9b4938774fc2", kill_on_drop: false }`
[INFO] [stdout] 9f35caac55cbd186d72908f15768c9260aa1e23118067a65fafe9b4938774fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f2047f942f5174e5c525c9c5f354f9eebd9df6dc0dde089e5b50bc55b6640db
[INFO] running `Command { std: "docker" "start" "-a" "2f2047f942f5174e5c525c9c5f354f9eebd9df6dc0dde089e5b50bc55b6640db", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/eventfd.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn as_fd(&self) -> BorrowedFd {
[INFO] [stdout]    |              ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |
[INFO] [stdout]    |              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn as_fd(&self) -> BorrowedFd<'_> {
[INFO] [stdout]    |                                  ++++
[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] 
[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<Item = RangeInclusive<Iova>>) -> IovaSpace {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  38 |     pub fn allocate(&mut self, address: usize, size: usize) -> io::Result<Iova> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  63 |     fn find_free_iova_range(&self, address: usize, size: usize) -> Option<IovaMapping> {
[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<Iova> {
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/eventfd.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn as_fd(&self) -> BorrowedFd {
[INFO] [stdout]    |              ^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |              |
[INFO] [stdout]    |              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn as_fd(&self) -> BorrowedFd<'_> {
[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)]` (part of `#[warn(unused)]`) 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] 
[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<Item = RangeInclusive<Iova>>) -> IovaSpace {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  38 |     pub fn allocate(&mut self, address: usize, size: usize) -> io::Result<Iova> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  63 |     fn find_free_iova_range(&self, address: usize, size: usize) -> Option<IovaMapping> {
[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<Iova> {
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "2f2047f942f5174e5c525c9c5f354f9eebd9df6dc0dde089e5b50bc55b6640db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f2047f942f5174e5c525c9c5f354f9eebd9df6dc0dde089e5b50bc55b6640db", kill_on_drop: false }`
[INFO] [stdout] 2f2047f942f5174e5c525c9c5f354f9eebd9df6dc0dde089e5b50bc55b6640db
