[INFO] fetching crate vhost 0.14.0...
[INFO] testing vhost-0.14.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate vhost 0.14.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate vhost 0.14.0
[INFO] finished tweaking crates.io crate vhost 0.14.0
[INFO] tweaked toml for crates.io crate vhost 0.14.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vhost 0.14.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vhost 0.14.0 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 757f3833c4e3bcd6577435542eb463a621cf51939e78b4b5141a175f7385ab4f
[INFO] running `Command { std: "docker" "start" "-a" "757f3833c4e3bcd6577435542eb463a621cf51939e78b4b5141a175f7385ab4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757f3833c4e3bcd6577435542eb463a621cf51939e78b4b5141a175f7385ab4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757f3833c4e3bcd6577435542eb463a621cf51939e78b4b5141a175f7385ab4f", kill_on_drop: false }`
[INFO] [stdout] 757f3833c4e3bcd6577435542eb463a621cf51939e78b4b5141a175f7385ab4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58700d4f4b9d039706389c10dba791cbf5f1545209d449e36be089f21cff3dc6
[INFO] running `Command { std: "docker" "start" "-a" "58700d4f4b9d039706389c10dba791cbf5f1545209d449e36be089f21cff3dc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[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 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 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.47s
[INFO] running `Command { std: "docker" "inspect" "58700d4f4b9d039706389c10dba791cbf5f1545209d449e36be089f21cff3dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58700d4f4b9d039706389c10dba791cbf5f1545209d449e36be089f21cff3dc6", kill_on_drop: false }`
[INFO] [stdout] 58700d4f4b9d039706389c10dba791cbf5f1545209d449e36be089f21cff3dc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 653264197c11020800dde06de779a29794dc51b8cc927c53c9b0e1c2fd5c05d2
[INFO] running `Command { std: "docker" "start" "-a" "653264197c11020800dde06de779a29794dc51b8cc927c53c9b0e1c2fd5c05d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling rustix v0.38.38
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling sdd v3.0.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling scc v2.2.4
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tempfile v3.13.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling serial_test_derive v3.1.1
[INFO] [stderr]    Compiling serial_test v3.1.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]    Compiling vm-memory v0.16.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[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 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.09s
[INFO] running `Command { std: "docker" "inspect" "653264197c11020800dde06de779a29794dc51b8cc927c53c9b0e1c2fd5c05d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653264197c11020800dde06de779a29794dc51b8cc927c53c9b0e1c2fd5c05d2", kill_on_drop: false }`
[INFO] [stdout] 653264197c11020800dde06de779a29794dc51b8cc927c53c9b0e1c2fd5c05d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bdfe7f48183bbe1e2d4584d8fe0dc6654a5a00686a891f9ae848a9aead0cd2e2
[INFO] running `Command { std: "docker" "start" "-a" "bdfe7f48183bbe1e2d4584d8fe0dc6654a5a00686a891f9ae848a9aead0cd2e2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vhost-e661519d66800fe6)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test backend::tests::test_vring_backend_mut ... ok
[INFO] [stdout] test tests::test_error ... ok
[INFO] [stdout] test backend::tests::test_vring_config_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vhost
[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" "bdfe7f48183bbe1e2d4584d8fe0dc6654a5a00686a891f9ae848a9aead0cd2e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfe7f48183bbe1e2d4584d8fe0dc6654a5a00686a891f9ae848a9aead0cd2e2", kill_on_drop: false }`
[INFO] [stdout] bdfe7f48183bbe1e2d4584d8fe0dc6654a5a00686a891f9ae848a9aead0cd2e2