[INFO] fetching crate riffol 0.3.0...
[INFO] checking riffol-0.3.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate riffol 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate riffol 0.3.0
[INFO] finished tweaking crates.io crate riffol 0.3.0
[INFO] tweaked toml for crates.io crate riffol 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate riffol 0.3.0 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] 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 122 packages to highest compatible versions
[INFO] [stderr]       Adding atty v0.2.11 (available: v0.2.14)
[INFO] [stderr]       Adding crossbeam-channel v0.2.6 (available: v0.5.17)
[INFO] [stderr]       Adding mio v0.6.23 (available: v1.2.3)
[INFO] [stderr]       Adding nereon v0.4.4 (available: v0.6.0)
[INFO] [stderr]       Adding nereon_derive v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding nix v0.11.1 (available: v0.31.3)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.2)
[INFO] [stderr]       Adding signal-hook v0.1.17 (available: v0.4.4)
[INFO] [stderr]       Adding stderrlog v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding syslog v4.0.1 (available: v7.0.0)
[INFO] [stderr]       Adding thread_local v0.3.4 (available: v0.3.6)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[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: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `riffol` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1e21ddbeda46d062136d7ba2965440b1e3ad303b408fd0bb685b3fff697aca77
[INFO] running `Command { std: "docker" "start" "1e21ddbeda46d062136d7ba2965440b1e3ad303b408fd0bb685b3fff697aca77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e21ddbeda46d062136d7ba2965440b1e3ad303b408fd0bb685b3fff697aca77", 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" "1e21ddbeda46d062136d7ba2965440b1e3ad303b408fd0bb685b3fff697aca77" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e21ddbeda46d062136d7ba2965440b1e3ad303b408fd0bb685b3fff697aca77", 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" "1e21ddbeda46d062136d7ba2965440b1e3ad303b408fd0bb685b3fff697aca77" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `riffol` (manifest) generated 1 warning
[INFO] [stderr]     Checking rand_core v0.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling pest_generator v2.9.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking pest v2.9.1
[INFO] [stderr]    Compiling nereon_derive v0.4.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]    Compiling pest_derive v2.9.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.11.1/src/unistd.rs:678:56
[INFO] [stdout]     |
[INFO] [stdout] 678 |                       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-0.11.1/src/unistd.rs:678:56
[INFO] [stdout]     |
[INFO] [stdout] 678 |                       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" "1e21ddbeda46d062136d7ba2965440b1e3ad303b408fd0bb685b3fff697aca77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e21ddbeda46d062136d7ba2965440b1e3ad303b408fd0bb685b3fff697aca77", kill_on_drop: false }`
[INFO] [stdout] 1e21ddbeda46d062136d7ba2965440b1e3ad303b408fd0bb685b3fff697aca77
