[INFO] cloning repository https://github.com/cesco345/interfaces
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cesco345/interfaces" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesco345%2Finterfaces", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesco345%2Finterfaces'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56dc6bddf3a40bfb65a36f2d72751da00be8dc3a
[INFO] checking cesco345/interfaces against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesco345%2Finterfaces" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cesco345/interfaces
[INFO] finished tweaking git repo https://github.com/cesco345/interfaces
[INFO] tweaked toml for git repo https://github.com/cesco345/interfaces written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cesco345/interfaces 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 git repo https://github.com/cesco345/interfaces 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: binary `forking_processes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc2/source/target/.../forking_processes
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `forking-processes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/forking_processes.rs
[INFO] [stderr] 1 + src/bin/forking-processes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `read_binary` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc2/source/target/.../read_binary
[INFO] [stderr]   |                                                  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `read-binary`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/read_binary.rs
[INFO] [stderr] 1 + src/bin/read-binary.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `sparse_file_copy` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc2/source/target/.../sparse_file_copy
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `sparse-file-copy`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/sparse_file_copy.rs
[INFO] [stderr] 1 + src/bin/sparse-file-copy.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `system_call` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc2/source/target/.../system_call
[INFO] [stderr]   |                                                  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `system-call`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/system_call.rs
[INFO] [stderr] 1 + src/bin/system-call.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `test_file_binary` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-7-tc2/source/target/.../test_file_binary
[INFO] [stderr]   |                                                  ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `test-file-binary`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/test_file_binary.rs
[INFO] [stderr] 1 + src/bin/test-file-binary.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `interfaces` (manifest) generated 5 warnings
[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] 319b95a4c38d6a94aa7cb311287a42a7751406c697500339e1dcf5692b596076
[INFO] running `Command { std: "docker" "start" "319b95a4c38d6a94aa7cb311287a42a7751406c697500339e1dcf5692b596076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "319b95a4c38d6a94aa7cb311287a42a7751406c697500339e1dcf5692b596076", 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" "319b95a4c38d6a94aa7cb311287a42a7751406c697500339e1dcf5692b596076" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "319b95a4c38d6a94aa7cb311287a42a7751406c697500339e1dcf5692b596076", 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" "319b95a4c38d6a94aa7cb311287a42a7751406c697500339e1dcf5692b596076" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `forking_processes` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../forking_processes
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `forking-processes`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/forking_processes.rs
[INFO] [stderr] 1 + src/bin/forking-processes.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `read_binary` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../read_binary
[INFO] [stderr]   |                          ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `read-binary`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/read_binary.rs
[INFO] [stderr] 1 + src/bin/read-binary.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `sparse_file_copy` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../sparse_file_copy
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `sparse-file-copy`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/sparse_file_copy.rs
[INFO] [stderr] 1 + src/bin/sparse-file-copy.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `system_call` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../system_call
[INFO] [stderr]   |                          ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `system-call`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/system_call.rs
[INFO] [stderr] 1 + src/bin/system-call.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `test_file_binary` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../test_file_binary
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `test-file-binary`, convert the file stem
[INFO] [stderr]   |
[INFO] [stderr] 1 - src/bin/test_file_binary.rs
[INFO] [stderr] 1 + src/bin/test-file-binary.rs
[INFO] [stderr]   |
[INFO] [stderr] warning: `interfaces` (manifest) generated 5 warnings
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.22.3/src/unistd.rs:853:56
[INFO] [stdout]     |
[INFO] [stdout] 853 |                       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-0.22.3/src/unistd.rs:853:56
[INFO] [stdout]     |
[INFO] [stdout] 853 |                       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] running `Command { std: "docker" "inspect" "319b95a4c38d6a94aa7cb311287a42a7751406c697500339e1dcf5692b596076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319b95a4c38d6a94aa7cb311287a42a7751406c697500339e1dcf5692b596076", kill_on_drop: false }`
[INFO] [stdout] 319b95a4c38d6a94aa7cb311287a42a7751406c697500339e1dcf5692b596076
