[INFO] cloning repository https://github.com/data-niklas/cash2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/data-niklas/cash2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdata-niklas%2Fcash2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdata-niklas%2Fcash2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28f47abc83108f111d8272b92771cd7d8e954fda
[INFO] checking data-niklas/cash2 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%2Fdata-niklas%2Fcash2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/data-niklas/cash2
[INFO] finished tweaking git repo https://github.com/data-niklas/cash2
[INFO] tweaked toml for git repo https://github.com/data-niklas/cash2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/data-niklas/cash2 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/data-niklas/cash2 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 `frontend_testing` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-0-tc2/source/target/.../frontend_testing
[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 `frontend-testing`, convert `package.name`
[INFO] [stderr]   --> testing_frontend/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "frontend_testing"
[INFO] [stderr]  2 + name = "frontend-testing"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `frontend-testing`, specify `bin.name`
[INFO] [stderr]   --> testing_frontend/Cargo.toml:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 ~ backend = {path = "../backend"}
[INFO] [stderr] 14 + [[bin]]
[INFO] [stderr] 15 + name = "frontend-testing"
[INFO] [stderr] 16 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `frontend_testing` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3011ea5edb5a48323a80042da4d6a2ac726cc44fc4be47dc80dd5a262e10070d
[INFO] running `Command { std: "docker" "start" "3011ea5edb5a48323a80042da4d6a2ac726cc44fc4be47dc80dd5a262e10070d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3011ea5edb5a48323a80042da4d6a2ac726cc44fc4be47dc80dd5a262e10070d", 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" "3011ea5edb5a48323a80042da4d6a2ac726cc44fc4be47dc80dd5a262e10070d" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3011ea5edb5a48323a80042da4d6a2ac726cc44fc4be47dc80dd5a262e10070d", 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" "3011ea5edb5a48323a80042da4d6a2ac726cc44fc4be47dc80dd5a262e10070d" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `frontend_testing` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../frontend_testing
[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 `frontend-testing`, convert `package.name`
[INFO] [stderr]   --> testing_frontend/Cargo.toml:2:8
[INFO] [stderr]    |
[INFO] [stderr]  2 - name = "frontend_testing"
[INFO] [stderr]  2 + name = "frontend-testing"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `frontend-testing`, specify `bin.name`
[INFO] [stderr]   --> testing_frontend/Cargo.toml:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 ~ backend = {path = "../backend"}
[INFO] [stderr] 14 + [[bin]]
[INFO] [stderr] 15 + name = "frontend-testing"
[INFO] [stderr] 16 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `frontend_testing` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking smol v1.2.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.18.0/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-0.18.0/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" "3011ea5edb5a48323a80042da4d6a2ac726cc44fc4be47dc80dd5a262e10070d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3011ea5edb5a48323a80042da4d6a2ac726cc44fc4be47dc80dd5a262e10070d", kill_on_drop: false }`
[INFO] [stdout] 3011ea5edb5a48323a80042da4d6a2ac726cc44fc4be47dc80dd5a262e10070d
