[INFO] fetching crate wasmer-wasi-experimental-io-devices 3.0.3...
[INFO] checking wasmer-wasi-experimental-io-devices-3.0.3 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate wasmer-wasi-experimental-io-devices 3.0.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate wasmer-wasi-experimental-io-devices 3.0.3
[INFO] finished tweaking crates.io crate wasmer-wasi-experimental-io-devices 3.0.3
[INFO] tweaked toml for crates.io crate wasmer-wasi-experimental-io-devices 3.0.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasmer-wasi-experimental-io-devices 3.0.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 223 packages to highest compatible versions
[INFO] [stderr]       Adding minifb v0.23.0 (available: v0.28.0)
[INFO] [stderr]       Adding nix v0.25.1 (available: v0.31.3)
[INFO] [stderr]       Adding typetag v0.1.8 (available: v0.2.23)
[INFO] [stderr]       Adding wasmer v3.0.3 (available: v3.3.0)
[INFO] [stderr]       Adding wasmer-compiler v3.0.3 (available: v3.3.0)
[INFO] [stderr]       Adding wasmer-derive v3.0.3 (available: v3.3.0)
[INFO] [stderr]       Adding wasmer-types v3.0.3 (available: v3.3.0)
[INFO] [stderr]       Adding wasmer-vbus v3.0.3 (available: v3.1.1)
[INFO] [stderr]       Adding wasmer-vfs v3.0.3 (available: v3.1.1)
[INFO] [stderr]       Adding wasmer-vm v3.0.3 (available: v3.3.0)
[INFO] [stderr]       Adding wasmer-vnet v3.0.3 (available: v3.1.1)
[INFO] [stderr]       Adding wasmer-wasi v3.0.3 (available: v3.1.1)
[INFO] [stderr]       Adding wasmer-wasi-local-networking v3.0.3 (available: v3.1.1)
[INFO] [stderr]       Adding wasmer-wasi-types v3.0.3 (available: v3.1.1)
[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:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | 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: `wasmer-wasi-experimental-io-devices` (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] cb78a490f996f4b406a41fe7e51fb4874a40102b3b7c5481b51ea1a043f42190
[INFO] running `Command { std: "docker" "start" "cb78a490f996f4b406a41fe7e51fb4874a40102b3b7c5481b51ea1a043f42190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb78a490f996f4b406a41fe7e51fb4874a40102b3b7c5481b51ea1a043f42190", 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" "cb78a490f996f4b406a41fe7e51fb4874a40102b3b7c5481b51ea1a043f42190" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb78a490f996f4b406a41fe7e51fb4874a40102b3b7c5481b51ea1a043f42190", 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" "cb78a490f996f4b406a41fe7e51fb4874a40102b3b7c5481b51ea1a043f42190" "/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:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | 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: `wasmer-wasi-experimental-io-devices` (manifest) generated 1 warning
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling tinyvec v1.13.3
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling id-arena v2.3.0
[INFO] [stderr]    Compiling rkyv v0.7.46
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling wasmer-wit-bindgen-gen-rust-wasm v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]     Checking bytes v1.12.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking wat v1.259.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking generational-arena v0.2.9
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking ref_thread_local v0.1.1
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking wasmer-wit-parser v0.1.1
[INFO] [stderr]     Checking wasmer-wit-bindgen-gen-core v0.1.1
[INFO] [stderr]     Checking wasmer-wit-bindgen-gen-rust v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling async-trait v0.1.92
[INFO] [stderr]    Compiling ghost v0.1.23
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.25.1/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       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-0.25.1/src/unistd.rs:929:56
[INFO] [stdout]     |
[INFO] [stdout] 929 |                       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]    Compiling darling_core v0.21.3
[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" "cb78a490f996f4b406a41fe7e51fb4874a40102b3b7c5481b51ea1a043f42190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb78a490f996f4b406a41fe7e51fb4874a40102b3b7c5481b51ea1a043f42190", kill_on_drop: false }`
[INFO] [stdout] cb78a490f996f4b406a41fe7e51fb4874a40102b3b7c5481b51ea1a043f42190
