[INFO] fetching crate monade-mprocs 0.4.1...
[INFO] checking monade-mprocs-0.4.1 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate monade-mprocs 0.4.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate monade-mprocs 0.4.1
[INFO] finished tweaking crates.io crate monade-mprocs 0.4.1
[INFO] tweaked toml for crates.io crate monade-mprocs 0.4.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate monade-mprocs 0.4.1 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] crate crates.io crate monade-mprocs 0.4.1 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: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:115:1
[INFO] [stderr]     |
[INFO] [stderr] 115 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `monade-mprocs` (manifest) generated 1 warning
[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] c30184b11511a45cf46fd7a8956360aa9f05866e6dc8741978dd5f508aca533b
[INFO] running `Command { std: "docker" "start" "c30184b11511a45cf46fd7a8956360aa9f05866e6dc8741978dd5f508aca533b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30184b11511a45cf46fd7a8956360aa9f05866e6dc8741978dd5f508aca533b", 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" "c30184b11511a45cf46fd7a8956360aa9f05866e6dc8741978dd5f508aca533b" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30184b11511a45cf46fd7a8956360aa9f05866e6dc8741978dd5f508aca533b", 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" "c30184b11511a45cf46fd7a8956360aa9f05866e6dc8741978dd5f508aca533b" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]    --> Cargo.toml:115:1
[INFO] [stderr]     |
[INFO] [stderr] 115 | readme = "README.md"
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `monade-mprocs` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking smallvec v1.8.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking clipboard-win v4.4.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking triggered v0.1.2
[INFO] [stderr]     Checking dunce v1.0.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking mprocs-vt100 v0.1.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking tui v0.18.0
[INFO] [stderr]     Checking tui-input v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.24.2/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-0.24.2/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] running `Command { std: "docker" "inspect" "c30184b11511a45cf46fd7a8956360aa9f05866e6dc8741978dd5f508aca533b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30184b11511a45cf46fd7a8956360aa9f05866e6dc8741978dd5f508aca533b", kill_on_drop: false }`
[INFO] [stdout] c30184b11511a45cf46fd7a8956360aa9f05866e6dc8741978dd5f508aca533b
