[INFO] fetching crate kb-layout-daemon 0.2.2...
[INFO] checking kb-layout-daemon-0.2.2 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate kb-layout-daemon 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate kb-layout-daemon 0.2.2
[INFO] finished tweaking crates.io crate kb-layout-daemon 0.2.2
[INFO] tweaked toml for crates.io crate kb-layout-daemon 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kb-layout-daemon 0.2.2 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 kb-layout-daemon 0.2.2 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:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 | homepage = "https://github.com/aydiler/kb-layout-daemon"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 | repository = "https://github.com/aydiler/kb-layout-daemon"
[INFO] [stderr]    |              ---------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `kb-layout-daemon` (manifest) generated 2 warnings
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 1a018626f2459df472f35d119e9342b21dc43c4b50ff9634680165d3ee71fa2d
[INFO] running `Command { std: "docker" "start" "1a018626f2459df472f35d119e9342b21dc43c4b50ff9634680165d3ee71fa2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a018626f2459df472f35d119e9342b21dc43c4b50ff9634680165d3ee71fa2d", 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" "1a018626f2459df472f35d119e9342b21dc43c4b50ff9634680165d3ee71fa2d" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a018626f2459df472f35d119e9342b21dc43c4b50ff9634680165d3ee71fa2d", 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" "1a018626f2459df472f35d119e9342b21dc43c4b50ff9634680165d3ee71fa2d" "/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:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 | homepage = "https://github.com/aydiler/kb-layout-daemon"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 | repository = "https://github.com/aydiler/kb-layout-daemon"
[INFO] [stderr]    |              ---------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `kb-layout-daemon` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking endi v1.1.1
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking async-broadcast v0.7.2
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking async-fs v2.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking xdg-home v1.3.0
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking udev v0.9.3
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[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" "1a018626f2459df472f35d119e9342b21dc43c4b50ff9634680165d3ee71fa2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a018626f2459df472f35d119e9342b21dc43c4b50ff9634680165d3ee71fa2d", kill_on_drop: false }`
[INFO] [stdout] 1a018626f2459df472f35d119e9342b21dc43c4b50ff9634680165d3ee71fa2d
