[INFO] fetching crate vhost-user-backend 0.19.0... [INFO] checking vhost-user-backend-0.19.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate vhost-user-backend 0.19.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate vhost-user-backend 0.19.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate vhost-user-backend 0.19.0 [INFO] tweaked toml for crates.io crate vhost-user-backend 0.19.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vhost-user-backend 0.19.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate vhost-user-backend 0.19.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c776642987314ecca7489aed445c55d289312be903aad0dac88f856e707dada [INFO] running `Command { std: "docker" "start" "-a" "4c776642987314ecca7489aed445c55d289312be903aad0dac88f856e707dada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c776642987314ecca7489aed445c55d289312be903aad0dac88f856e707dada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c776642987314ecca7489aed445c55d289312be903aad0dac88f856e707dada", kill_on_drop: false }` [INFO] [stdout] 4c776642987314ecca7489aed445c55d289312be903aad0dac88f856e707dada [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6b8517be79610321c472c52414d92433a1553d95a2b57726e66b430a8157760 [INFO] running `Command { std: "docker" "start" "-a" "e6b8517be79610321c472c52414d92433a1553d95a2b57726e66b430a8157760", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling prettyplease v0.2.33 [INFO] [stderr] Compiling regex-automata v0.4.8 [INFO] [stderr] Compiling libloading v0.8.5 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling bindgen v0.71.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling rustc-hash v2.1.1 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling thiserror v1.0.65 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling syn v2.0.102 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Compiling rustix v0.38.38 [INFO] [stderr] Compiling nix v0.30.1 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking vmm-sys-util v0.14.0 [INFO] [stderr] Checking tempfile v3.13.0 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling thiserror-impl v1.0.65 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking vm-memory v0.16.2 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking uuid v1.11.0 [INFO] [stderr] Checking vhost v0.14.0 [INFO] [stderr] Compiling virtio-bindings v0.2.5 [INFO] [stderr] Checking virtio-queue v0.15.0 [INFO] [stderr] Checking vhost-user-backend v0.19.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bitmap.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | fn slice_at(&self, offset: usize) -> ::S { [INFO] [stdout] | ^^^^^ ---------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 90 | fn slice_at(&self, offset: usize) -> >::S { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:41:16 [INFO] [stdout] | [INFO] [stdout] 41 | fn get_ref(&self) -> >::G; [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 41 | fn get_ref(&self) -> >::G; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:44:16 [INFO] [stdout] | [INFO] [stdout] 44 | fn get_mut(&self) -> >::G; [INFO] [stdout] | ^^^^^ ---------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 44 | fn get_mut(&self) -> >::G; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:278:13 [INFO] [stdout] | [INFO] [stdout] 278 | fn lock(&self) -> MutexGuard> { [INFO] [stdout] | ^^^^^ ------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 278 | fn lock(&self) -> MutexGuard<'_, VringState> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:298:16 [INFO] [stdout] | [INFO] [stdout] 298 | fn get_ref(&self) -> >::G { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 298 | fn get_ref(&self) -> >::G { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:302:16 [INFO] [stdout] | [INFO] [stdout] 302 | fn get_mut(&self) -> >::G { [INFO] [stdout] | ^^^^^ ---------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 302 | fn get_mut(&self) -> >::G { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:393:19 [INFO] [stdout] | [INFO] [stdout] 393 | fn write_lock(&self) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 393 | fn write_lock(&self) -> RwLockWriteGuard<'_, VringState> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:413:16 [INFO] [stdout] | [INFO] [stdout] 413 | fn get_ref(&self) -> >::G { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 413 | fn get_ref(&self) -> >::G { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:417:16 [INFO] [stdout] | [INFO] [stdout] 417 | fn get_mut(&self) -> >::G { [INFO] [stdout] | ^^^^^ ---------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 417 | fn get_mut(&self) -> >::G { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/bitmap.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | fn slice_at(&self, offset: usize) -> ::S { [INFO] [stdout] | ^^^^^ ---------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 90 | fn slice_at(&self, offset: usize) -> >::S { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:41:16 [INFO] [stdout] | [INFO] [stdout] 41 | fn get_ref(&self) -> >::G; [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 41 | fn get_ref(&self) -> >::G; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:44:16 [INFO] [stdout] | [INFO] [stdout] 44 | fn get_mut(&self) -> >::G; [INFO] [stdout] | ^^^^^ ---------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 44 | fn get_mut(&self) -> >::G; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:278:13 [INFO] [stdout] | [INFO] [stdout] 278 | fn lock(&self) -> MutexGuard> { [INFO] [stdout] | ^^^^^ ------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 278 | fn lock(&self) -> MutexGuard<'_, VringState> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:298:16 [INFO] [stdout] | [INFO] [stdout] 298 | fn get_ref(&self) -> >::G { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 298 | fn get_ref(&self) -> >::G { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:302:16 [INFO] [stdout] | [INFO] [stdout] 302 | fn get_mut(&self) -> >::G { [INFO] [stdout] | ^^^^^ ---------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 302 | fn get_mut(&self) -> >::G { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:393:19 [INFO] [stdout] | [INFO] [stdout] 393 | fn write_lock(&self) -> RwLockWriteGuard> { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 393 | fn write_lock(&self) -> RwLockWriteGuard<'_, VringState> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:413:16 [INFO] [stdout] | [INFO] [stdout] 413 | fn get_ref(&self) -> >::G { [INFO] [stdout] | ^^^^^ ------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 413 | fn get_ref(&self) -> >::G { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/vring.rs:417:16 [INFO] [stdout] | [INFO] [stdout] 417 | fn get_mut(&self) -> >::G { [INFO] [stdout] | ^^^^^ ---------------------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 417 | fn get_mut(&self) -> >::G { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.61s [INFO] running `Command { std: "docker" "inspect" "e6b8517be79610321c472c52414d92433a1553d95a2b57726e66b430a8157760", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6b8517be79610321c472c52414d92433a1553d95a2b57726e66b430a8157760", kill_on_drop: false }` [INFO] [stdout] e6b8517be79610321c472c52414d92433a1553d95a2b57726e66b430a8157760