[INFO] cloning repository https://github.com/anirudhakulkarni/Live-Snapshot-Experiments [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anirudhakulkarni/Live-Snapshot-Experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanirudhakulkarni%2FLive-Snapshot-Experiments", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanirudhakulkarni%2FLive-Snapshot-Experiments'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 817a4ea22e31ae1979590789a572be4f4a50076e [INFO] testing anirudhakulkarni/Live-Snapshot-Experiments against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanirudhakulkarni%2FLive-Snapshot-Experiments" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/anirudhakulkarni/Live-Snapshot-Experiments [INFO] finished tweaking git repo https://github.com/anirudhakulkarni/Live-Snapshot-Experiments [INFO] tweaked toml for git repo https://github.com/anirudhakulkarni/Live-Snapshot-Experiments written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/anirudhakulkarni/Live-Snapshot-Experiments on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/anirudhakulkarni/Live-Snapshot-Experiments 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/rust-vmm/linux-loader.git` [INFO] [stderr] Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/rust-vmm/vm-virtio.git` [INFO] [stderr] Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vm-device v0.1.0 [INFO] [stderr] Downloaded vm-memory v0.7.0 [INFO] [stderr] Downloaded vm-allocator v0.1.0 [INFO] [stderr] Downloaded kvm-ioctls v0.11.0 [INFO] [stderr] Downloaded vm-superio v0.5.0 [INFO] [stderr] Downloaded vm-fdt v0.2.0 [INFO] [stderr] Downloaded kvm-bindings v0.5.0 [INFO] [stderr] Downloaded event-manager v0.2.1 [INFO] [stderr] Downloaded vmm-sys-util v0.8.0 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7593250a266241897edd091221468ee2d1d881c92b80f16bb5aef31cbce27ad9 [INFO] running `Command { std: "docker" "start" "-a" "7593250a266241897edd091221468ee2d1d881c92b80f16bb5aef31cbce27ad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7593250a266241897edd091221468ee2d1d881c92b80f16bb5aef31cbce27ad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7593250a266241897edd091221468ee2d1d881c92b80f16bb5aef31cbce27ad9", kill_on_drop: false }` [INFO] [stdout] 7593250a266241897edd091221468ee2d1d881c92b80f16bb5aef31cbce27ad9 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] e0f3f4e5f6bc13f7501813e9cd2c6bbf08466ba86dd56f29cc0696243ce2a782 [INFO] running `Command { std: "docker" "start" "-a" "e0f3f4e5f6bc13f7501813e9cd2c6bbf08466ba86dd56f29cc0696243ce2a782", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling kvm-ioctls v0.11.0 [INFO] [stderr] Compiling vm-device v0.1.0 [INFO] [stderr] Compiling utils v0.1.0 (/opt/rustwide/workdir/src/utils) [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling vm-fdt v0.2.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling vm-superio v0.5.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vmm-sys-util v0.8.0 [INFO] [stderr] Compiling vm-memory v0.7.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling kvm-bindings v0.5.0 [INFO] [stderr] Compiling event-manager v0.2.1 [INFO] [stderr] Compiling virtio-queue v0.2.0 (https://github.com/rust-vmm/vm-virtio.git#d8ef45f5) [INFO] [stderr] Compiling arch v0.1.0 (/opt/rustwide/workdir/src/arch) [INFO] [stderr] Compiling linux-loader v0.4.0 (https://github.com/rust-vmm/linux-loader.git?rev=9a9f071#9a9f0712) [INFO] [stderr] Compiling virtio-device v0.1.0 (https://github.com/rust-vmm/vm-virtio.git#d8ef45f5) [INFO] [stderr] Compiling virtio-blk v0.1.0 (https://github.com/rust-vmm/vm-virtio.git#d8ef45f5) [INFO] [stderr] Compiling devices v0.1.0 (/opt/rustwide/workdir/src/devices) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/block/inorder_handler.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | GuestMemory(vm_memory::GuestMemoryError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 - GuestMemory(vm_memory::GuestMemoryError), [INFO] [stdout] 17 + GuestMemory(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/block/inorder_handler.rs:18:11 [INFO] [stdout] | [INFO] [stdout] 18 | Queue(virtio_queue::Error), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 - Queue(virtio_queue::Error), [INFO] [stdout] 18 + Queue(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/block/inorder_handler.rs:19:20 [INFO] [stdout] | [INFO] [stdout] 19 | ProcessRequest(stdio_executor::ProcessReqError), [INFO] [stdout] | -------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 19 - ProcessRequest(stdio_executor::ProcessReqError), [INFO] [stdout] 19 + ProcessRequest(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/net/simple_handler.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | GuestMemory(vm_memory::GuestMemoryError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 - GuestMemory(vm_memory::GuestMemoryError), [INFO] [stdout] 27 + GuestMemory(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/net/simple_handler.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | Queue(virtio_queue::Error), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 - Queue(virtio_queue::Error), [INFO] [stdout] 28 + Queue(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/net/simple_handler.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | Tap(io::Error), [INFO] [stdout] | --- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 29 - Tap(io::Error), [INFO] [stdout] 29 + Tap(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling vm-vcpu-ref v0.1.0 (/opt/rustwide/workdir/src/vm-vcpu-ref) [INFO] [stderr] Compiling vm-allocator v0.1.0 [INFO] [stderr] Compiling vm-vcpu v0.1.0 (/opt/rustwide/workdir/src/vm-vcpu) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/vm-vcpu/src/vcpu/mod.rs:853:21 [INFO] [stdout] | [INFO] [stdout] 827 | / match *run_state_lock { [INFO] [stdout] 828 | | VmRunState::Running => { [INFO] [stdout] ... | [INFO] [stdout] 849 | | } [INFO] [stdout] | |_____________________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] ... [INFO] [stdout] 853 | run_state_lock = self.run_state.condvar.wait(run_state_lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling vmm v0.1.0 (/opt/rustwide/workdir/src/vmm) [INFO] [stdout] warning: unused imports: `thread` and `time` [INFO] [stdout] --> src/vmm/src/lib.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Killable` and `SIGRTMIN` [INFO] [stdout] --> src/vmm/src/lib.rs:67:28 [INFO] [stdout] | [INFO] [stdout] 67 | use vmm_sys_util::signal::{Killable, SIGRTMIN}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/vmm/src/lib.rs:233:11 [INFO] [stdout] | [INFO] [stdout] 233 | if(events.event_set().contains(EventSet::IN)){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 233 - if(events.event_set().contains(EventSet::IN)){ [INFO] [stdout] 233 + if events.event_set().contains(EventSet::IN) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flag` [INFO] [stdout] --> src/vmm/src/lib.rs:419:17 [INFO] [stdout] | [INFO] [stdout] 419 | let mut flag = 0; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_flag` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vmm/src/lib.rs:419:13 [INFO] [stdout] | [INFO] [stdout] 419 | let mut flag = 0; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `wrapped_interrupt_handler` is never read [INFO] [stdout] --> src/vmm/src/lib.rs:269:5 [INFO] [stdout] | [INFO] [stdout] 254 | pub struct Vmm { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 269 | wrapped_interrupt_handler: WrappedInterruptHandler, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vmm/src/lib.rs:234:13 [INFO] [stdout] | [INFO] [stdout] 234 | self.interrupt_evt.trigger(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 234 | let _ = self.interrupt_evt.trigger(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vmm/src/lib.rs:386:9 [INFO] [stdout] | [INFO] [stdout] 386 | vmm.add_interrupt_device(wrapped_interrupt_handler); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 386 | let _ = vmm.add_interrupt_device(wrapped_interrupt_handler); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vmm/src/lib.rs:563:9 [INFO] [stdout] | [INFO] [stdout] 563 | self.vm.register_irqfd(&interrupt_evt, 10); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 563 | let _ = self.vm.register_irqfd(&interrupt_evt, 10); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling api v0.1.0 (/opt/rustwide/workdir/src/api) [INFO] [stderr] Compiling vmm-reference v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.42s [INFO] running `Command { std: "docker" "inspect" "e0f3f4e5f6bc13f7501813e9cd2c6bbf08466ba86dd56f29cc0696243ce2a782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0f3f4e5f6bc13f7501813e9cd2c6bbf08466ba86dd56f29cc0696243ce2a782", kill_on_drop: false }` [INFO] [stdout] e0f3f4e5f6bc13f7501813e9cd2c6bbf08466ba86dd56f29cc0696243ce2a782 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 973709ec2d8c4bbe08edc597c21c48e4026d7b4b83d60f74c27eb38fbcce87f7 [INFO] running `Command { std: "docker" "start" "-a" "973709ec2d8c4bbe08edc597c21c48e4026d7b4b83d60f74c27eb38fbcce87f7", kill_on_drop: false }` [INFO] [stderr] Compiling vm-fdt v0.2.0 [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling utils v0.1.0 (/opt/rustwide/workdir/src/utils) [INFO] [stderr] Compiling vm-device v0.1.0 [INFO] [stderr] Compiling vm-superio v0.5.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vmm-sys-util v0.8.0 [INFO] [stderr] Compiling vm-memory v0.7.0 [INFO] [stderr] Compiling vm-allocator v0.1.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling kvm-bindings v0.5.0 [INFO] [stderr] Compiling event-manager v0.2.1 [INFO] [stderr] Compiling virtio-queue v0.2.0 (https://github.com/rust-vmm/vm-virtio.git#d8ef45f5) [INFO] [stderr] Compiling linux-loader v0.4.0 (https://github.com/rust-vmm/linux-loader.git?rev=9a9f071#9a9f0712) [INFO] [stderr] Compiling arch v0.1.0 (/opt/rustwide/workdir/src/arch) [INFO] [stderr] Compiling virtio-device v0.1.0 (https://github.com/rust-vmm/vm-virtio.git#d8ef45f5) [INFO] [stderr] Compiling virtio-blk v0.1.0 (https://github.com/rust-vmm/vm-virtio.git#d8ef45f5) [INFO] [stderr] Compiling kvm-ioctls v0.11.0 [INFO] [stderr] Compiling vm-vcpu-ref v0.1.0 (/opt/rustwide/workdir/src/vm-vcpu-ref) [INFO] [stderr] Compiling devices v0.1.0 (/opt/rustwide/workdir/src/devices) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/block/inorder_handler.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | GuestMemory(vm_memory::GuestMemoryError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 17 - GuestMemory(vm_memory::GuestMemoryError), [INFO] [stdout] 17 + GuestMemory(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/block/inorder_handler.rs:18:11 [INFO] [stdout] | [INFO] [stdout] 18 | Queue(virtio_queue::Error), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 - Queue(virtio_queue::Error), [INFO] [stdout] 18 + Queue(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/block/inorder_handler.rs:19:20 [INFO] [stdout] | [INFO] [stdout] 19 | ProcessRequest(stdio_executor::ProcessReqError), [INFO] [stdout] | -------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 19 - ProcessRequest(stdio_executor::ProcessReqError), [INFO] [stdout] 19 + ProcessRequest(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/net/simple_handler.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | GuestMemory(vm_memory::GuestMemoryError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 - GuestMemory(vm_memory::GuestMemoryError), [INFO] [stdout] 27 + GuestMemory(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/net/simple_handler.rs:28:11 [INFO] [stdout] | [INFO] [stdout] 28 | Queue(virtio_queue::Error), [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 - Queue(virtio_queue::Error), [INFO] [stdout] 28 + Queue(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/devices/src/virtio/net/simple_handler.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | Tap(io::Error), [INFO] [stdout] | --- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 29 - Tap(io::Error), [INFO] [stdout] 29 + Tap(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling vm-vcpu v0.1.0 (/opt/rustwide/workdir/src/vm-vcpu) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/vm-vcpu/src/vcpu/mod.rs:853:21 [INFO] [stdout] | [INFO] [stdout] 827 | / match *run_state_lock { [INFO] [stdout] 828 | | VmRunState::Running => { [INFO] [stdout] ... | [INFO] [stdout] 849 | | } [INFO] [stdout] | |_____________________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] ... [INFO] [stdout] 853 | run_state_lock = self.run_state.condvar.wait(run_state_lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling vmm v0.1.0 (/opt/rustwide/workdir/src/vmm) [INFO] [stdout] warning: unused imports: `thread` and `time` [INFO] [stdout] --> src/vmm/src/lib.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | use std::{thread, time}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Killable` and `SIGRTMIN` [INFO] [stdout] --> src/vmm/src/lib.rs:67:28 [INFO] [stdout] | [INFO] [stdout] 67 | use vmm_sys_util::signal::{Killable, SIGRTMIN}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/vmm/src/lib.rs:233:11 [INFO] [stdout] | [INFO] [stdout] 233 | if(events.event_set().contains(EventSet::IN)){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 233 - if(events.event_set().contains(EventSet::IN)){ [INFO] [stdout] 233 + if events.event_set().contains(EventSet::IN) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flag` [INFO] [stdout] --> src/vmm/src/lib.rs:419:17 [INFO] [stdout] | [INFO] [stdout] 419 | let mut flag = 0; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_flag` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vmm/src/lib.rs:419:13 [INFO] [stdout] | [INFO] [stdout] 419 | let mut flag = 0; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `wrapped_interrupt_handler` is never read [INFO] [stdout] --> src/vmm/src/lib.rs:269:5 [INFO] [stdout] | [INFO] [stdout] 254 | pub struct Vmm { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 269 | wrapped_interrupt_handler: WrappedInterruptHandler, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vmm/src/lib.rs:234:13 [INFO] [stdout] | [INFO] [stdout] 234 | self.interrupt_evt.trigger(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 234 | let _ = self.interrupt_evt.trigger(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vmm/src/lib.rs:386:9 [INFO] [stdout] | [INFO] [stdout] 386 | vmm.add_interrupt_device(wrapped_interrupt_handler); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 386 | let _ = vmm.add_interrupt_device(wrapped_interrupt_handler); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vmm/src/lib.rs:563:9 [INFO] [stdout] | [INFO] [stdout] 563 | self.vm.register_irqfd(&interrupt_evt, 10); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 563 | let _ = self.vm.register_irqfd(&interrupt_evt, 10); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling api v0.1.0 (/opt/rustwide/workdir/src/api) [INFO] [stderr] Compiling vmm-reference v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 15.34s [INFO] running `Command { std: "docker" "inspect" "973709ec2d8c4bbe08edc597c21c48e4026d7b4b83d60f74c27eb38fbcce87f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "973709ec2d8c4bbe08edc597c21c48e4026d7b4b83d60f74c27eb38fbcce87f7", kill_on_drop: false }` [INFO] [stdout] 973709ec2d8c4bbe08edc597c21c48e4026d7b4b83d60f74c27eb38fbcce87f7 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] d6584edff005e55348f33ea1c1ad516452325e3ebf0ca99c0649962e8009bb1a [INFO] running `Command { std: "docker" "start" "-a" "d6584edff005e55348f33ea1c1ad516452325e3ebf0ca99c0649962e8009bb1a", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/devices/src/virtio/block/inorder_handler.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | GuestMemory(vm_memory::GuestMemoryError), [INFO] [stderr] | ----------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 17 - GuestMemory(vm_memory::GuestMemoryError), [INFO] [stderr] 17 + GuestMemory(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/devices/src/virtio/block/inorder_handler.rs:18:11 [INFO] [stderr] | [INFO] [stderr] 18 | Queue(virtio_queue::Error), [INFO] [stderr] | ----- ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 18 - Queue(virtio_queue::Error), [INFO] [stderr] 18 + Queue(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/devices/src/virtio/block/inorder_handler.rs:19:20 [INFO] [stderr] | [INFO] [stderr] 19 | ProcessRequest(stdio_executor::ProcessReqError), [INFO] [stderr] | -------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 19 - ProcessRequest(stdio_executor::ProcessReqError), [INFO] [stderr] 19 + ProcessRequest(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/devices/src/virtio/net/simple_handler.rs:27:17 [INFO] [stderr] | [INFO] [stderr] 27 | GuestMemory(vm_memory::GuestMemoryError), [INFO] [stderr] | ----------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 27 - GuestMemory(vm_memory::GuestMemoryError), [INFO] [stderr] 27 + GuestMemory(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/devices/src/virtio/net/simple_handler.rs:28:11 [INFO] [stderr] | [INFO] [stderr] 28 | Queue(virtio_queue::Error), [INFO] [stderr] | ----- ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 28 - Queue(virtio_queue::Error), [INFO] [stderr] 28 + Queue(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/devices/src/virtio/net/simple_handler.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | Tap(io::Error), [INFO] [stderr] | --- ^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 29 - Tap(io::Error), [INFO] [stderr] 29 + Tap(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `devices` (lib) generated 6 warnings [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/vm-vcpu/src/vcpu/mod.rs:853:21 [INFO] [stderr] | [INFO] [stderr] 827 | / match *run_state_lock { [INFO] [stderr] 828 | | VmRunState::Running => { [INFO] [stderr] ... | [INFO] [stderr] 849 | | } [INFO] [stderr] | |_____________________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stderr] ... [INFO] [stderr] 853 | run_state_lock = self.run_state.condvar.wait(run_state_lock).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `vm-vcpu` (lib) generated 1 warning [INFO] [stderr] warning: unused imports: `thread` and `time` [INFO] [stderr] --> src/vmm/src/lib.rs:10:11 [INFO] [stderr] | [INFO] [stderr] 10 | use std::{thread, time}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Killable` and `SIGRTMIN` [INFO] [stderr] --> src/vmm/src/lib.rs:67:28 [INFO] [stderr] | [INFO] [stderr] 67 | use vmm_sys_util::signal::{Killable, SIGRTMIN}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/vmm/src/lib.rs:233:11 [INFO] [stderr] | [INFO] [stderr] 233 | if(events.event_set().contains(EventSet::IN)){ [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 233 - if(events.event_set().contains(EventSet::IN)){ [INFO] [stderr] 233 + if events.event_set().contains(EventSet::IN) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `flag` [INFO] [stderr] --> src/vmm/src/lib.rs:419:17 [INFO] [stderr] | [INFO] [stderr] 419 | let mut flag = 0; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_flag` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/vmm/src/lib.rs:419:13 [INFO] [stderr] | [INFO] [stderr] 419 | let mut flag = 0; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `wrapped_interrupt_handler` is never read [INFO] [stderr] --> src/vmm/src/lib.rs:269:5 [INFO] [stderr] | [INFO] [stderr] 254 | pub struct Vmm { [INFO] [stderr] | --- field in this struct [INFO] [stderr] ... [INFO] [stderr] 269 | wrapped_interrupt_handler: WrappedInterruptHandler, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vmm/src/lib.rs:234:13 [INFO] [stderr] | [INFO] [stderr] 234 | self.interrupt_evt.trigger(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 234 | let _ = self.interrupt_evt.trigger(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vmm/src/lib.rs:386:9 [INFO] [stderr] | [INFO] [stderr] 386 | vmm.add_interrupt_device(wrapped_interrupt_handler); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 386 | let _ = vmm.add_interrupt_device(wrapped_interrupt_handler); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vmm/src/lib.rs:563:9 [INFO] [stderr] | [INFO] [stderr] 563 | self.vm.register_irqfd(&interrupt_evt, 10); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 563 | let _ = self.vm.register_irqfd(&interrupt_evt, 10); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `vmm` (lib) generated 9 warnings (run `cargo fix --lib -p vmm` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/vmm_reference-8f1fb37b4a9cd7e1) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d6584edff005e55348f33ea1c1ad516452325e3ebf0ca99c0649962e8009bb1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6584edff005e55348f33ea1c1ad516452325e3ebf0ca99c0649962e8009bb1a", kill_on_drop: false }` [INFO] [stdout] d6584edff005e55348f33ea1c1ad516452325e3ebf0ca99c0649962e8009bb1a