[INFO] fetching crate signalfut 0.1.0...
[INFO] testing signalfut-0.1.0 against beta-2025-04-13 for beta-1.87-1
[INFO] extracting crate signalfut 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate signalfut 0.1.0 on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signalfut 0.1.0
[INFO] finished tweaking crates.io crate signalfut 0.1.0
[INFO] tweaked toml for crates.io crate signalfut 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 185 packages to latest compatible versions
[INFO] [stderr]       Adding compio v0.10.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 761f80cc7864aa6a5426b3f76e60473aec8a4a975cb999a3c7a5eb6e24ea73fc
[INFO] running `Command { std: "docker" "start" "-a" "761f80cc7864aa6a5426b3f76e60473aec8a4a975cb999a3c7a5eb6e24ea73fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "761f80cc7864aa6a5426b3f76e60473aec8a4a975cb999a3c7a5eb6e24ea73fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761f80cc7864aa6a5426b3f76e60473aec8a4a975cb999a3c7a5eb6e24ea73fc", kill_on_drop: false }`
[INFO] [stdout] 761f80cc7864aa6a5426b3f76e60473aec8a4a975cb999a3c7a5eb6e24ea73fc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 654cf64cec5dc04e14935d4eb8b3ad9d1fc20d76ad84403f0e18324c59f6d9fe
[INFO] running `Command { std: "docker" "start" "-a" "654cf64cec5dc04e14935d4eb8b3ad9d1fc20d76ad84403f0e18324c59f6d9fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling signalfut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]    --> src/lib.rs:134:23
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let tx = unsafe { TO_HELPER_THREAD.as_ref().unwrap_unchecked() };
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.47s
[INFO] running `Command { std: "docker" "inspect" "654cf64cec5dc04e14935d4eb8b3ad9d1fc20d76ad84403f0e18324c59f6d9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654cf64cec5dc04e14935d4eb8b3ad9d1fc20d76ad84403f0e18324c59f6d9fe", kill_on_drop: false }`
[INFO] [stdout] 654cf64cec5dc04e14935d4eb8b3ad9d1fc20d76ad84403f0e18324c59f6d9fe
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2524e0da6007a7985b36d55acbf4048ec17271acbc2dd5bec4e79c3164a83360
[INFO] running `Command { std: "docker" "start" "-a" "2524e0da6007a7985b36d55acbf4048ec17271acbc2dd5bec4e79c3164a83360", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling compio-buf v0.3.0
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling os_pipe v1.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-fs v2.1.2
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling intrusive-collections v0.9.7
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling rlimit v0.6.2
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling sketches-ddsketch v0.1.3
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling bitmaps v3.2.1
[INFO] [stderr]    Compiling enclose v1.2.1
[INFO] [stderr]    Compiling buddy-alloc v0.4.2
[INFO] [stderr]    Compiling glommio v0.9.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]    Compiling auto-const-array v0.2.1
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr] error: could not compile `nix` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-04-13-x86_64-unknown-linux-gnu/bin/rustc --crate-name nix --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.27.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="event"' --cfg 'feature="fs"' --cfg 'feature="ioctl"' --cfg 'feature="memoffset"' --cfg 'feature="mman"' --cfg 'feature="net"' --cfg 'feature="poll"' --cfg 'feature="process"' --cfg 'feature="sched"' --cfg 'feature="socket"' --cfg 'feature="time"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("acct", "aio", "default", "dir", "env", "event", "feature", "fs", "hostname", "inotify", "ioctl", "kmod", "memoffset", "mman", "mount", "mqueue", "net", "personality", "pin-utils", "poll", "process", "pthread", "ptrace", "quota", "reboot", "resource", "sched", "signal", "socket", "term", "time", "ucontext", "uio", "user", "zerocopy"))' -C metadata=79f63b14f60ffc55 -C extra-filename=-59ab8b869ffc6f91 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-1ec459e74ae68f4e.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-3e7fc4e38d4a72b5.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b2ca8e21622df1f2.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-8308488f703088c7.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2524e0da6007a7985b36d55acbf4048ec17271acbc2dd5bec4e79c3164a83360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2524e0da6007a7985b36d55acbf4048ec17271acbc2dd5bec4e79c3164a83360", kill_on_drop: false }`
[INFO] [stdout] 2524e0da6007a7985b36d55acbf4048ec17271acbc2dd5bec4e79c3164a83360