[INFO] fetching crate acai 0.2.0...
[INFO] checking acai-0.2.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate acai 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate acai 0.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate acai 0.2.0
[INFO] tweaked toml for crates.io crate acai 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate acai 0.2.0 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 acai 0.2.0 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | 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: `acai` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 49dd2fcba0d8e568b8813f57cfdfc32113d487768594decf4c463788a72c4955
[INFO] running `Command { std: "docker" "start" "49dd2fcba0d8e568b8813f57cfdfc32113d487768594decf4c463788a72c4955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49dd2fcba0d8e568b8813f57cfdfc32113d487768594decf4c463788a72c4955", 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" "49dd2fcba0d8e568b8813f57cfdfc32113d487768594decf4c463788a72c4955" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49dd2fcba0d8e568b8813f57cfdfc32113d487768594decf4c463788a72c4955", 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" "49dd2fcba0d8e568b8813f57cfdfc32113d487768594decf4c463788a72c4955" "/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:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | 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: `acai` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling buffertk v0.12.0
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking zerror v0.7.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking sig_fig_histogram v0.5.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking biometrics v0.11.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking shvar v0.5.0
[INFO] [stderr]     Checking utf8path v0.6.0
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling openssl-sys v0.9.107
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling derive_util v0.4.0
[INFO] [stderr]    Compiling prototk_derive v0.12.0
[INFO] [stderr]    Compiling arrrg_derive v0.6.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking minimal_signals v0.4.0
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking arrrg v0.6.0
[INFO] [stderr]     Checking prototk v0.12.0
[INFO] [stderr]     Checking one_two_eight v0.9.0
[INFO] [stderr]     Checking tatl v0.12.0
[INFO] [stderr]     Checking indicio v0.11.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.28.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             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-0.28.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             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] [stdout] error: CRATER ERROR: C-variadic argument with type `NonZero<usize>`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.29.0/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[INFO] [stdout]     |                                                                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NonZero<usize>` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.29.0/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[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] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.29.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             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-0.29.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "49dd2fcba0d8e568b8813f57cfdfc32113d487768594decf4c463788a72c4955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49dd2fcba0d8e568b8813f57cfdfc32113d487768594decf4c463788a72c4955", kill_on_drop: false }`
[INFO] [stdout] 49dd2fcba0d8e568b8813f57cfdfc32113d487768594decf4c463788a72c4955
