[INFO] cloning repository https://github.com/NickCao/grasp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NickCao/grasp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickCao%2Fgrasp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickCao%2Fgrasp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2401f6f24fd11a75ade31521db75007ac5424ced
[INFO] checking NickCao/grasp 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%2FNickCao%2Fgrasp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NickCao/grasp
[INFO] finished tweaking git repo https://github.com/NickCao/grasp
[INFO] tweaked toml for git repo https://github.com/NickCao/grasp written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NickCao/grasp 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/NickCao/grasp 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] fda4172106023bafadb9dd9373abc5252c692a674eb64251991610cd26a1314f
[INFO] running `Command { std: "docker" "start" "fda4172106023bafadb9dd9373abc5252c692a674eb64251991610cd26a1314f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fda4172106023bafadb9dd9373abc5252c692a674eb64251991610cd26a1314f", 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" "fda4172106023bafadb9dd9373abc5252c692a674eb64251991610cd26a1314f" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fda4172106023bafadb9dd9373abc5252c692a674eb64251991610cd26a1314f", 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" "fda4172106023bafadb9dd9373abc5252c692a674eb64251991610cd26a1314f" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling sha1-asm v0.5.1
[INFO] [stderr]    Compiling md5-asm v0.5.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking byte_string v1.0.0
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking arc-swap v1.5.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking lru_time_cache v0.11.11
[INFO] [stderr]     Checking iprange v0.6.7
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking nix v0.24.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking signature v1.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ed25519 v1.4.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking sec1 v0.2.1
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking polyval v0.5.3
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking chacha20 v0.8.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking ghash v0.4.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.1
[INFO] [stderr]     Checking md-5 v0.10.1
[INFO] [stderr]     Checking chacha20poly1305 v0.9.0
[INFO] [stderr]     Checking hkdf v0.12.3
[INFO] [stderr]     Checking aes-gcm v0.9.4
[INFO] [stderr]     Checking elliptic-curve v0.11.12
[INFO] [stderr]     Checking ecdsa v0.13.4
[INFO] [stderr]     Checking p384 v0.9.0
[INFO] [stderr]     Checking p256 v0.10.1
[INFO] [stderr]     Checking ring-compat v0.4.1
[INFO] [stderr]     Checking shadowsocks-crypto v0.3.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.24.1/src/unistd.rs:893:56
[INFO] [stdout]     |
[INFO] [stdout] 893 |                       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-0.24.1/src/unistd.rs:893:56
[INFO] [stdout]     |
[INFO] [stdout] 893 |                       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] [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" "fda4172106023bafadb9dd9373abc5252c692a674eb64251991610cd26a1314f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda4172106023bafadb9dd9373abc5252c692a674eb64251991610cd26a1314f", kill_on_drop: false }`
[INFO] [stdout] fda4172106023bafadb9dd9373abc5252c692a674eb64251991610cd26a1314f
