[INFO] fetching crate vhost-user-backend 0.17.0...
[INFO] checking vhost-user-backend-0.17.0 against try#411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51 for pr-138844
[INFO] extracting crate vhost-user-backend 0.17.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate vhost-user-backend 0.17.0 on toolchain 411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vhost-user-backend 0.17.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate vhost-user-backend 0.17.0
[INFO] tweaked toml for crates.io crate vhost-user-backend 0.17.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e55e8a456afede0a96563477f0bf08c98400e24e6a8e245d2e9b9765e4c702e2
[INFO] running `Command { std: "docker" "start" "-a" "e55e8a456afede0a96563477f0bf08c98400e24e6a8e245d2e9b9765e4c702e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e55e8a456afede0a96563477f0bf08c98400e24e6a8e245d2e9b9765e4c702e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55e8a456afede0a96563477f0bf08c98400e24e6a8e245d2e9b9765e4c702e2", kill_on_drop: false }`
[INFO] [stdout] e55e8a456afede0a96563477f0bf08c98400e24e6a8e245d2e9b9765e4c702e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+411f3ca0d8086d5a27e2aaa79b9ff41f53ab2f51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73b56797d8c0fb65574465820fd98e08a8231f33aab427244f89bf2ef9627d82
[INFO] running `Command { std: "docker" "start" "-a" "73b56797d8c0fb65574465820fd98e08a8231f33aab427244f89bf2ef9627d82", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling prettyplease v0.2.31
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bindgen v0.71.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling rustix v1.0.3
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking linux-raw-sys v0.9.3
[INFO] [stderr]     Checking vmm-sys-util v0.12.1
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling uuid-macro-internal v1.16.0
[INFO] [stderr]     Checking uuid v1.16.0
[INFO] [stderr]     Checking vm-memory v0.16.1
[INFO] [stderr]     Checking vhost v0.13.0
[INFO] [stderr]    Compiling virtio-bindings v0.2.5
[INFO] [stderr]     Checking virtio-queue v0.14.0
[INFO] [stderr]     Checking vhost-user-backend v0.17.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.44s
[INFO] running `Command { std: "docker" "inspect" "73b56797d8c0fb65574465820fd98e08a8231f33aab427244f89bf2ef9627d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b56797d8c0fb65574465820fd98e08a8231f33aab427244f89bf2ef9627d82", kill_on_drop: false }`
[INFO] [stdout] 73b56797d8c0fb65574465820fd98e08a8231f33aab427244f89bf2ef9627d82