[INFO] fetching crate nest-cli 0.3.0...
[INFO] checking nest-cli-0.3.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate nest-cli 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nest-cli 0.3.0
[INFO] finished tweaking crates.io crate nest-cli 0.3.0
[INFO] tweaked toml for crates.io crate nest-cli 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nest-cli 0.3.0 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 122 packages to highest compatible versions
[INFO] [stderr]       Adding clap-verbosity-flag v0.2.0 (available: v3.0.4)
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[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] 15abeef54b86541ff6c40bde1e7b11384daac657e5b1cf2a747b5b19be72ce0c
[INFO] running `Command { std: "docker" "start" "15abeef54b86541ff6c40bde1e7b11384daac657e5b1cf2a747b5b19be72ce0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15abeef54b86541ff6c40bde1e7b11384daac657e5b1cf2a747b5b19be72ce0c", 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" "15abeef54b86541ff6c40bde1e7b11384daac657e5b1cf2a747b5b19be72ce0c" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15abeef54b86541ff6c40bde1e7b11384daac657e5b1cf2a747b5b19be72ce0c", 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" "15abeef54b86541ff6c40bde1e7b11384daac657e5b1cf2a747b5b19be72ce0c" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking mkdirp v0.1.0
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.14.1/src/unistd.rs:800:56
[INFO] [stdout]     |
[INFO] [stdout] 800 |                       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-0.14.1/src/unistd.rs:800:56
[INFO] [stdout]     |
[INFO] [stdout] 800 |                       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" "15abeef54b86541ff6c40bde1e7b11384daac657e5b1cf2a747b5b19be72ce0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15abeef54b86541ff6c40bde1e7b11384daac657e5b1cf2a747b5b19be72ce0c", kill_on_drop: false }`
[INFO] [stdout] 15abeef54b86541ff6c40bde1e7b11384daac657e5b1cf2a747b5b19be72ce0c
