[INFO] cloning repository https://github.com/feldspath/midi_looper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/feldspath/midi_looper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeldspath%2Fmidi_looper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeldspath%2Fmidi_looper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52d90ffc3062ff72184f8a2eb4d3b7cbe098db7f
[INFO] checking feldspath/midi_looper 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%2Ffeldspath%2Fmidi_looper" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/feldspath/midi_looper
[INFO] finished tweaking git repo https://github.com/feldspath/midi_looper
[INFO] tweaked toml for git repo https://github.com/feldspath/midi_looper written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/feldspath/midi_looper 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/feldspath/midi_looper 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 `midi_looper` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-3-tc2/source/target/.../midi_looper
[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 `midi-looper`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 - name = "midi_looper"
[INFO] [stderr] 12 + name = "midi-looper"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `midi-looper`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 ~ version = "0.1.0"
[INFO] [stderr] 14 + [[bin]]
[INFO] [stderr] 15 + name = "midi-looper"
[INFO] [stderr] 16 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `midi_looper` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a8d2862bae49dbdba6c22e8effe453d78ec1c44dccaad43a64d27aab6a370a08
[INFO] running `Command { std: "docker" "start" "a8d2862bae49dbdba6c22e8effe453d78ec1c44dccaad43a64d27aab6a370a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8d2862bae49dbdba6c22e8effe453d78ec1c44dccaad43a64d27aab6a370a08", 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" "a8d2862bae49dbdba6c22e8effe453d78ec1c44dccaad43a64d27aab6a370a08" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8d2862bae49dbdba6c22e8effe453d78ec1c44dccaad43a64d27aab6a370a08", 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" "a8d2862bae49dbdba6c22e8effe453d78ec1c44dccaad43a64d27aab6a370a08" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `midi_looper` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../midi_looper
[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 `midi-looper`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 - name = "midi_looper"
[INFO] [stderr] 12 + name = "midi-looper"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `midi-looper`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 ~ version = "0.1.0"
[INFO] [stderr] 14 + [[bin]]
[INFO] [stderr] 15 + name = "midi-looper"
[INFO] [stderr] 16 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `midi_looper` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking indexmap v2.13.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking spin_sleep v1.3.3
[INFO] [stderr]     Checking jiff v0.2.23
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking mseq_core v0.1.2
[INFO] [stderr]     Checking fd-lock v3.0.13
[INFO] [stderr]     Checking alsa-sys v0.3.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking alsa v0.7.1
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking midly v0.5.3
[INFO] [stderr]     Checking midir v0.9.1
[INFO] [stderr]     Checking midir v0.10.3
[INFO] [stderr]     Checking mseq_tracks v0.2.1
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking env_filter v1.0.1
[INFO] [stderr]     Checking env_logger v0.11.10
[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] running `Command { std: "docker" "inspect" "a8d2862bae49dbdba6c22e8effe453d78ec1c44dccaad43a64d27aab6a370a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d2862bae49dbdba6c22e8effe453d78ec1c44dccaad43a64d27aab6a370a08", kill_on_drop: false }`
[INFO] [stdout] a8d2862bae49dbdba6c22e8effe453d78ec1c44dccaad43a64d27aab6a370a08
