[INFO] fetching crate exmod 0.3.3...
[INFO] checking exmod-0.3.3 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate exmod 0.3.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate exmod 0.3.3
[INFO] finished tweaking crates.io crate exmod 0.3.3
[INFO] tweaked toml for crates.io crate exmod 0.3.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate exmod 0.3.3 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] crate crates.io crate exmod 0.3.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 77386891ce369429db5ca0f6d55f0a527727b2b7169392899bac08975e7f3b5d
[INFO] running `Command { std: "docker" "start" "77386891ce369429db5ca0f6d55f0a527727b2b7169392899bac08975e7f3b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77386891ce369429db5ca0f6d55f0a527727b2b7169392899bac08975e7f3b5d", 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" "77386891ce369429db5ca0f6d55f0a527727b2b7169392899bac08975e7f3b5d" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77386891ce369429db5ca0f6d55f0a527727b2b7169392899bac08975e7f3b5d", 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" "77386891ce369429db5ca0f6d55f0a527727b2b7169392899bac08975e7f3b5d" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling exmod v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/context.c: In function 'xm_create_context_from_libxmize':
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/context.c:108:85: warning: unused parameter 'rate' [-Wunused-parameter]
[INFO] [stderr] warning: exmod@0.3.3:   108 | void xm_create_context_from_libxmize(xm_context_t** ctxp, char* libxmized, uint32_t rate) {
[INFO] [stderr] warning: exmod@0.3.3:       |                                                                            ~~~~~~~~~^~~~
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/load.c: In function 'xm_check_sanity_postload':
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/load.c:64:44: warning: unused parameter 'ctx' [-Wunused-parameter]
[INFO] [stderr] warning: exmod@0.3.3:    64 | int xm_check_sanity_postload(xm_context_t* ctx) {
[INFO] [stderr] warning: exmod@0.3.3:       |                              ~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/play.c: In function 'xm_tremolo':
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/play.c:189:38: warning: unused parameter 'ctx' [-Wunused-parameter]
[INFO] [stderr] warning: exmod@0.3.3:   189 | static void xm_tremolo(xm_context_t* ctx, xm_channel_context_t* ch, uint8_t param, uint16_t pos) {
[INFO] [stderr] warning: exmod@0.3.3:       |                        ~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/play.c: In function 'xm_handle_note_and_instrument':
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/play.c:480:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning: exmod@0.3.3:   480 |                 if(s->volume_column > 0x50) break;
[INFO] [stderr] warning: exmod@0.3.3:       |                   ^
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/play.c:481:9: note: here
[INFO] [stderr] warning: exmod@0.3.3:   481 |         case 0x1:
[INFO] [stderr] warning: exmod@0.3.3:       |         ^~~~
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/play.c: In function 'xm_tick':
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/play.c:1055:43: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning: exmod@0.3.3:  1055 |                                         if(ctx->current_tick == 1) {
[INFO] [stderr] warning: exmod@0.3.3:       |                                           ^
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/play.c:1062:33: note: here
[INFO] [stderr] warning: exmod@0.3.3:  1062 |                                 case 1: /* 0 -> 0 -> y -> x -> … */
[INFO] [stderr] warning: exmod@0.3.3:       |                                 ^~~~
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/play.c:1063:43: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning: exmod@0.3.3:  1063 |                                         if(ctx->current_tick == 0) {
[INFO] [stderr] warning: exmod@0.3.3:       |                                           ^
[INFO] [stderr] warning: exmod@0.3.3: libxm/src/play.c:1070:33: note: here
[INFO] [stderr] warning: exmod@0.3.3:  1070 |                                 case 0: /* 0 -> y -> x -> … */
[INFO] [stderr] warning: exmod@0.3.3:       |                                 ^~~~
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.23.1/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-0.23.1/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" "77386891ce369429db5ca0f6d55f0a527727b2b7169392899bac08975e7f3b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77386891ce369429db5ca0f6d55f0a527727b2b7169392899bac08975e7f3b5d", kill_on_drop: false }`
[INFO] [stdout] 77386891ce369429db5ca0f6d55f0a527727b2b7169392899bac08975e7f3b5d
