[INFO] fetching crate signalfut 0.1.1...
[INFO] checking signalfut-0.1.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate signalfut 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate signalfut 0.1.1
[INFO] finished tweaking crates.io crate signalfut 0.1.1
[INFO] tweaked toml for crates.io crate signalfut 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate signalfut 0.1.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate signalfut 0.1.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded auto-const-array v0.2.1
[INFO] [stderr]   Downloaded io-uring v0.6.4
[INFO] [stderr]   Downloaded compio-macros v0.1.2
[INFO] [stderr]   Downloaded rlimit v0.6.2
[INFO] [stderr]   Downloaded compio-fs v0.3.0
[INFO] [stderr]   Downloaded compio-driver v0.3.0
[INFO] [stderr]   Downloaded monoio v0.2.4
[INFO] [stderr]   Downloaded monoio-macros v0.1.0
[INFO] [stderr]   Downloaded compio-io v0.2.0
[INFO] [stderr]   Downloaded compio-net v0.3.0
[INFO] [stderr]   Downloaded toml_edit v0.22.21
[INFO] [stderr]   Downloaded glommio v0.9.0
[INFO] [stderr]   Downloaded aligned-array v1.0.1
[INFO] [stderr]   Downloaded compio-buf v0.3.0
[INFO] [stderr]   Downloaded compio-log v0.1.0
[INFO] [stderr]   Downloaded buddy-alloc v0.4.2
[INFO] [stderr]   Downloaded enclose v1.2.0
[INFO] [stderr]   Downloaded compio-runtime v0.3.0
[INFO] [stderr]   Downloaded compio v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5108f7873c574e53ec695f5e1cf2e8392a70306a998dcd34bb0fb0971fd7044c
[INFO] running `Command { std: "docker" "start" "-a" "5108f7873c574e53ec695f5e1cf2e8392a70306a998dcd34bb0fb0971fd7044c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5108f7873c574e53ec695f5e1cf2e8392a70306a998dcd34bb0fb0971fd7044c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5108f7873c574e53ec695f5e1cf2e8392a70306a998dcd34bb0fb0971fd7044c", kill_on_drop: false }`
[INFO] [stdout] 5108f7873c574e53ec695f5e1cf2e8392a70306a998dcd34bb0fb0971fd7044c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7662b84d1ab9576554d1bab5d084251f31f7378952c1ef7dc3607f5648e63c78
[INFO] running `Command { std: "docker" "start" "-a" "7662b84d1ab9576554d1bab5d084251f31f7378952c1ef7dc3607f5648e63c78", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling io-uring v0.6.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking value-bag v1.9.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[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 memoffset v0.7.1
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking async-executor v1.13.1
[INFO] [stderr]     Checking gimli v0.31.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking compio-buf v0.3.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking os_pipe v1.2.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking rlimit v0.6.2
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking async-fs v2.1.2
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking intrusive-collections v0.9.7
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking bitmaps v3.2.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking enclose v1.2.0
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]     Checking buddy-alloc v0.4.2
[INFO] [stderr]     Checking sketches-ddsketch v0.1.3
[INFO] [stderr]    Compiling glommio v0.9.0
[INFO] [stderr]    Compiling toml_edit v0.22.21
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]     Checking addr2line v0.24.1
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling compio-macros v0.1.2
[INFO] [stderr]    Compiling monoio-macros v0.1.0
[INFO] [stderr]    Compiling auto-const-array v0.2.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking monoio v0.2.4
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking signalfut v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |     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]     Checking tracing v0.1.40
[INFO] [stderr]     Checking polling v3.7.3
[INFO] [stderr]     Checking compio-log v0.1.0
[INFO] [stderr]     Checking compio-driver v0.3.0
[INFO] [stderr]     Checking async-io v2.3.4
[INFO] [stderr]     Checking async-signal v0.2.10
[INFO] [stderr]     Checking async-net v2.0.0
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v2.3.0
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]     Checking smol v2.0.2
[INFO] [stderr]     Checking compio-runtime v0.3.0
[INFO] [stderr]     Checking compio-io v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking compio-net v0.3.0
[INFO] [stderr]     Checking compio-fs v0.3.0
[INFO] [stderr]     Checking compio v0.10.0
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 |     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 37.39s
[INFO] running `Command { std: "docker" "inspect" "7662b84d1ab9576554d1bab5d084251f31f7378952c1ef7dc3607f5648e63c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7662b84d1ab9576554d1bab5d084251f31f7378952c1ef7dc3607f5648e63c78", kill_on_drop: false }`
[INFO] [stdout] 7662b84d1ab9576554d1bab5d084251f31f7378952c1ef7dc3607f5648e63c78