[INFO] cloning repository https://github.com/fkaa/curve_fit_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkaa/curve_fit_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fcurve_fit_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fcurve_fit_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50a07aa3291b48aebbf69d7c18dfe9e7fa8f60b0
[INFO] checking fkaa/curve_fit_test 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%2Ffkaa%2Fcurve_fit_test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fkaa/curve_fit_test
[INFO] finished tweaking git repo https://github.com/fkaa/curve_fit_test
[INFO] tweaked toml for git repo https://github.com/fkaa/curve_fit_test written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fkaa/curve_fit_test 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/fkaa/curve_fit_test 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: binary `curve_fit_test` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-5-tc2/source/target/.../curve_fit_test
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `curve-fit-test`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 - name = "curve_fit_test"
[INFO] [stderr] 17 + name = "curve-fit-test"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `curve-fit-test`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 ~ version = "0.1.0"
[INFO] [stderr] 19 + [[bin]]
[INFO] [stderr] 20 + name = "curve-fit-test"
[INFO] [stderr] 21 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `curve_fit_test` (manifest) generated 1 warning
[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] 5183ab5267bb6026eec42b47f2b331d6028051d5cc8833fc69e437b1e5aea27c
[INFO] running `Command { std: "docker" "start" "5183ab5267bb6026eec42b47f2b331d6028051d5cc8833fc69e437b1e5aea27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5183ab5267bb6026eec42b47f2b331d6028051d5cc8833fc69e437b1e5aea27c", 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" "5183ab5267bb6026eec42b47f2b331d6028051d5cc8833fc69e437b1e5aea27c" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5183ab5267bb6026eec42b47f2b331d6028051d5cc8833fc69e437b1e5aea27c", 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" "5183ab5267bb6026eec42b47f2b331d6028051d5cc8833fc69e437b1e5aea27c" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `curve_fit_test` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../curve_fit_test
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `curve-fit-test`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 - name = "curve_fit_test"
[INFO] [stderr] 17 + name = "curve-fit-test"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `curve-fit-test`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 ~ version = "0.1.0"
[INFO] [stderr] 19 + [[bin]]
[INFO] [stderr] 20 + name = "curve-fit-test"
[INFO] [stderr] 21 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `curve_fit_test` (manifest) generated 1 warning
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking stb_truetype v0.2.5
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rect_packer v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.10
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.10
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking euclid v0.19.4
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]    Compiling wayland-client v0.21.10
[INFO] [stderr]    Compiling wayland-protocols v0.21.10
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking andrew v0.1.4
[INFO] [stderr]     Checking lyon_geom v0.12.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking lyon_path v0.12.0
[INFO] [stderr]     Checking font-kit v0.1.0 (https://github.com/fkaa/font-kit/?branch=freetype-fix#c0ec9813)
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.12.0/src/unistd.rs:771:56
[INFO] [stdout]     |
[INFO] [stdout] 771 |                       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-0.12.0/src/unistd.rs:771:56
[INFO] [stdout]     |
[INFO] [stdout] 771 |                       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" "5183ab5267bb6026eec42b47f2b331d6028051d5cc8833fc69e437b1e5aea27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5183ab5267bb6026eec42b47f2b331d6028051d5cc8833fc69e437b1e5aea27c", kill_on_drop: false }`
[INFO] [stdout] 5183ab5267bb6026eec42b47f2b331d6028051d5cc8833fc69e437b1e5aea27c
