[INFO] fetching crate vhost-user-backend 0.20.0...
[INFO] building vhost-user-backend-0.20.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate vhost-user-backend 0.20.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate vhost-user-backend 0.20.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate vhost-user-backend 0.20.0
[INFO] tweaked toml for crates.io crate vhost-user-backend 0.20.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vhost-user-backend 0.20.0 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] crate crates.io crate vhost-user-backend 0.20.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ca0be30f7148bf3b7b7c39f316396ee307748f43fdcf715062be1cd89916cf56
[INFO] running `Command { std: "docker" "start" "-a" "ca0be30f7148bf3b7b7c39f316396ee307748f43fdcf715062be1cd89916cf56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca0be30f7148bf3b7b7c39f316396ee307748f43fdcf715062be1cd89916cf56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0be30f7148bf3b7b7c39f316396ee307748f43fdcf715062be1cd89916cf56", kill_on_drop: false }`
[INFO] [stdout] ca0be30f7148bf3b7b7c39f316396ee307748f43fdcf715062be1cd89916cf56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0f6b0c164d8413e096f5ebc4f4a2b53f2a8b1e5694f1cc156883c3ff63b0ee70
[INFO] running `Command { std: "docker" "start" "-a" "0f6b0c164d8413e096f5ebc4f4a2b53f2a8b1e5694f1cc156883c3ff63b0ee70", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling virtio-bindings v0.2.6
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling vmm-sys-util v0.14.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling vm-memory v0.16.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling virtio-queue v0.16.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling vhost v0.14.0
[INFO] [stderr]    Compiling vhost-user-backend v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vring.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_ref(&self) -> <Self as VringStateGuard<M>>::G;
[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] 41 |     fn get_ref(&self) -> <Self as VringStateGuard<'_, M>>::G;
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vring.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_mut(&self) -> <Self as VringStateMutGuard<M>>::G;
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_mut(&self) -> <Self as VringStateMutGuard<'_, M>>::G;
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.64s
[INFO] running `Command { std: "docker" "inspect" "0f6b0c164d8413e096f5ebc4f4a2b53f2a8b1e5694f1cc156883c3ff63b0ee70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6b0c164d8413e096f5ebc4f4a2b53f2a8b1e5694f1cc156883c3ff63b0ee70", kill_on_drop: false }`
[INFO] [stdout] 0f6b0c164d8413e096f5ebc4f4a2b53f2a8b1e5694f1cc156883c3ff63b0ee70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5aca6e3767cf9fc6e07fb880e933a5cc82ed24e591846c7ea1e15c9d3e9e290a
[INFO] running `Command { std: "docker" "start" "-a" "5aca6e3767cf9fc6e07fb880e933a5cc82ed24e591846c7ea1e15c9d3e9e290a", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling rustix v0.38.38
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling vmm-sys-util v0.14.0
[INFO] [stderr]    Compiling vm-memory v0.16.2
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling virtio-queue v0.16.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling vhost v0.14.0
[INFO] [stderr]    Compiling vhost-user-backend v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vring.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_ref(&self) -> <Self as VringStateGuard<M>>::G;
[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] 41 |     fn get_ref(&self) -> <Self as VringStateGuard<'_, M>>::G;
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vring.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_mut(&self) -> <Self as VringStateMutGuard<M>>::G;
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_mut(&self) -> <Self as VringStateMutGuard<'_, M>>::G;
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.13.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vring.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn get_ref(&self) -> <Self as VringStateGuard<M>>::G;
[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] 41 |     fn get_ref(&self) -> <Self as VringStateGuard<'_, M>>::G;
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/vring.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_mut(&self) -> <Self as VringStateMutGuard<M>>::G;
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_mut(&self) -> <Self as VringStateMutGuard<'_, M>>::G;
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.65s
[INFO] running `Command { std: "docker" "inspect" "5aca6e3767cf9fc6e07fb880e933a5cc82ed24e591846c7ea1e15c9d3e9e290a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aca6e3767cf9fc6e07fb880e933a5cc82ed24e591846c7ea1e15c9d3e9e290a", kill_on_drop: false }`
[INFO] [stdout] 5aca6e3767cf9fc6e07fb880e933a5cc82ed24e591846c7ea1e15c9d3e9e290a
