[INFO] fetching crate zng-ext-single-instance 0.15.4...
[INFO] checking zng-ext-single-instance-0.15.4 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate zng-ext-single-instance 0.15.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate zng-ext-single-instance 0.15.4
[INFO] finished tweaking crates.io crate zng-ext-single-instance 0.15.4
[INFO] tweaked toml for crates.io crate zng-ext-single-instance 0.15.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zng-ext-single-instance 0.15.4 on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zng-ext-single-instance 0.15.4 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `zng-ext-single-instance` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b4d4e8a79f8d6d81091eb769b1365db05ece4e1b9ce537d06e7835c676d35274
[INFO] running `Command { std: "docker" "start" "b4d4e8a79f8d6d81091eb769b1365db05ece4e1b9ce537d06e7835c676d35274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d4e8a79f8d6d81091eb769b1365db05ece4e1b9ce537d06e7835c676d35274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4d4e8a79f8d6d81091eb769b1365db05ece4e1b9ce537d06e7835c676d35274" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d4e8a79f8d6d81091eb769b1365db05ece4e1b9ce537d06e7835c676d35274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b4d4e8a79f8d6d81091eb769b1365db05ece4e1b9ce537d06e7835c676d35274" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `zng-ext-single-instance` (manifest) generated 1 warning
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking smallvec v1.16.0
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling linkme-impl v0.3.37
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling winnow v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]    Compiling cpufeatures v0.3.1
[INFO] [stderr]     Checking fastrand v2.5.0
[INFO] [stderr]    Compiling toml_parser v1.1.3+spec-1.1.0
[INFO] [stderr]    Compiling linkme v0.3.37
[INFO] [stderr]    Compiling pastey v0.2.3
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking event-listener v5.4.2
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling base16ct v1.0.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking directories v6.0.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling hybrid-array v0.4.14
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling smallbox v0.8.8
[INFO] [stderr]     Checking rustc-hash v2.1.3
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking piper v0.2.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking zng-handle v0.4.1
[INFO] [stderr]     Checking zng-clone-move v0.4.0
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling zng-task v0.15.4
[INFO] [stderr]    Compiling crypto-common v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.12.1
[INFO] [stderr]     Checking blocking v1.7.0
[INFO] [stderr]     Checking spin v0.9.9
[INFO] [stderr]     Checking pretty-type-name v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.34
[INFO] [stderr]     Checking flume v0.12.0
[INFO] [stderr]     Checking semver v1.0.28
[INFO] [stderr]     Checking async-fs v2.2.0
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]    Compiling zng-view-api v0.22.4
[INFO] [stderr]    Compiling inotify-sys v0.1.8
[INFO] [stderr]    Compiling prettyplease v0.3.0
[INFO] [stderr]    Compiling toml v1.1.5+spec-1.1.0
[INFO] [stderr]     Checking self_cell v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]     Checking futures-timer v3.0.4
[INFO] [stderr]    Compiling digest v0.11.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling sha2 v0.11.0
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.10
[INFO] [stderr]    Compiling minifier v0.4.0
[INFO] [stderr]     Checking mio v1.2.3
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking path-dedot v4.0.1
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking path-absolutize v4.0.1
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]     Checking glob v0.3.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling bytemuck_derive v1.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]    Compiling zng-var-proc-macros v0.5.1
[INFO] [stderr]     Checking tinystr v0.8.4
[INFO] [stderr]    Compiling zng-task-proc-macros v0.4.1
[INFO] [stderr]     Checking bytemuck v1.25.2
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling unic-langid-impl v0.9.6
[INFO] [stderr]     Checking tracing-shared v0.2.0
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling zng-color-proc-macros v0.4.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking bitflags v2.13.1
[INFO] [stderr]     Checking atomic v0.6.1
[INFO] [stderr]    Compiling unic-langid v0.9.6
[INFO] [stderr]     Checking inotify v0.11.5
[INFO] [stderr]     Checking notify-types v2.1.0
[INFO] [stderr]     Checking cobs v0.3.0
[INFO] [stderr]    Compiling fluent-syntax v0.12.0
[INFO] [stderr]     Checking notify v8.2.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.23.2/src/unistd.rs:855:56
[INFO] [stdout]     |
[INFO] [stdout] 855 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtFlags` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.23.2/src/unistd.rs:855:56
[INFO] [stdout]     |
[INFO] [stdout] 855 |                       args_p.as_ptr(), env_p.as_ptr(), flags);
[INFO] [stdout]     |                                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: values passed as C-variadic arguments must implement `core::ffi::VaArgSafe`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #162483 <https://github.com/rust-lang/rust/issues/162483>
[INFO] [stdout]     = note: requested on the command line with `--force-warn invalid-c-variadic-arguments`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b4d4e8a79f8d6d81091eb769b1365db05ece4e1b9ce537d06e7835c676d35274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d4e8a79f8d6d81091eb769b1365db05ece4e1b9ce537d06e7835c676d35274", kill_on_drop: false }`
[INFO] [stdout] b4d4e8a79f8d6d81091eb769b1365db05ece4e1b9ce537d06e7835c676d35274
