[INFO] fetching crate r2dbc-mysql 0.0.1...
[INFO] checking r2dbc-mysql-0.0.1 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate r2dbc-mysql 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate r2dbc-mysql 0.0.1
[INFO] finished tweaking crates.io crate r2dbc-mysql 0.0.1
[INFO] tweaked toml for crates.io crate r2dbc-mysql 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r2dbc-mysql 0.0.1 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 206 packages to highest compatible versions
[INFO] [stderr]       Adding mysql v20.1.0 (available: v28.0.2)
[INFO] [stderr]       Adding mysql_common v0.26.0 (available: v0.38.2)
[INFO] [stderr]       Adding sqlparser v0.9.0 (available: v0.63.0)
[INFO] [stderr]       Adding twox-hash v1.6.3 (available: v2.1.4)
[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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 30cd2c6a478e0699c1b64ef586302f64cae6c61bffbcddc4e3fa5b0fd8ed07c8
[INFO] running `Command { std: "docker" "start" "30cd2c6a478e0699c1b64ef586302f64cae6c61bffbcddc4e3fa5b0fd8ed07c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30cd2c6a478e0699c1b64ef586302f64cae6c61bffbcddc4e3fa5b0fd8ed07c8", 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" "30cd2c6a478e0699c1b64ef586302f64cae6c61bffbcddc4e3fa5b0fd8ed07c8" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30cd2c6a478e0699c1b64ef586302f64cae6c61bffbcddc4e3fa5b0fd8ed07c8", 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" "30cd2c6a478e0699c1b64ef586302f64cae6c61bffbcddc4e3fa5b0fd8ed07c8" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking zerocopy v0.8.57
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling openssl-sys v0.9.117
[INFO] [stderr]    Compiling libz-sys v1.1.29
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.6
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]    Compiling const_fn v0.4.12
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling rust_decimal v1.43.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking arrayvec v0.7.8
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]    Compiling openssl v0.10.81
[INFO] [stderr]     Checking flate2 v1.1.10
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]    Compiling io-enum v0.2.6
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling mysql v20.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking sqlparser v0.9.0
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking r2dbc v0.0.1
[INFO] [stderr]     Checking zerotrie v0.2.5
[INFO] [stderr]     Checking zerovec v0.11.8
[INFO] [stderr]     Checking bigdecimal v0.2.2
[INFO] [stderr]     Checking lexical v5.2.2
[INFO] [stderr]     Checking tinystr v0.8.4
[INFO] [stderr]     Checking potential_utf v0.1.6
[INFO] [stderr]     Checking icu_locale_core v2.3.0
[INFO] [stderr]     Checking icu_collections v2.3.0
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]     Checking icu_provider v2.3.1
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]     Checking icu_properties v2.3.0
[INFO] [stderr]     Checking icu_normalizer v2.3.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.19.1/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-0.19.1/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "30cd2c6a478e0699c1b64ef586302f64cae6c61bffbcddc4e3fa5b0fd8ed07c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30cd2c6a478e0699c1b64ef586302f64cae6c61bffbcddc4e3fa5b0fd8ed07c8", kill_on_drop: false }`
[INFO] [stdout] 30cd2c6a478e0699c1b64ef586302f64cae6c61bffbcddc4e3fa5b0fd8ed07c8
