[INFO] fetching crate candid_server 0.3.1...
[INFO] checking candid_server-0.3.1 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate candid_server 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate candid_server 0.3.1
[INFO] finished tweaking crates.io crate candid_server 0.3.1
[INFO] tweaked toml for crates.io crate candid_server 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate candid_server 0.3.1 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 candid_server 0.3.1 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:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | 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: binary `candid_server` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../candid_server
[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 `candid-server`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 - name = "candid_server"
[INFO] [stderr] 2 + name = "candid-server"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `vcan_rand` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-3-tc2/source/target/.../vcan_rand
[INFO] [stderr]   |                                                  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `vcan-rand`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 - name = "vcan_rand"
[INFO] [stderr] 6 + name = "vcan-rand"
[INFO] [stderr]   |
[INFO] [stderr] warning: `candid_server` (manifest) generated 3 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 051794a10f63de2ecf3ccd6d17d500cda788581bea5e5d318f7df69cc63f4164
[INFO] running `Command { std: "docker" "start" "051794a10f63de2ecf3ccd6d17d500cda788581bea5e5d318f7df69cc63f4164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "051794a10f63de2ecf3ccd6d17d500cda788581bea5e5d318f7df69cc63f4164", 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" "051794a10f63de2ecf3ccd6d17d500cda788581bea5e5d318f7df69cc63f4164" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "051794a10f63de2ecf3ccd6d17d500cda788581bea5e5d318f7df69cc63f4164", 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" "051794a10f63de2ecf3ccd6d17d500cda788581bea5e5d318f7df69cc63f4164" "/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:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | 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: binary `candid_server` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../candid_server
[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 `candid-server`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 - name = "candid_server"
[INFO] [stderr] 2 + name = "candid-server"
[INFO] [stderr]   |
[INFO] [stderr] warning: binary `vcan_rand` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../vcan_rand
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `vcan-rand`, convert `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 - name = "vcan_rand"
[INFO] [stderr] 6 + name = "vcan-rand"
[INFO] [stderr]   |
[INFO] [stderr] warning: `candid_server` (manifest) generated 3 warnings
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling socketcan v3.6.2
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking embedded-can v0.4.1
[INFO] [stderr]     Checking chacha20 v0.10.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking rand v0.10.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `NonZero<usize>`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.29.0/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[INFO] [stdout]     |                                                                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `NonZero<usize>` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.29.0/src/sys/prctl.rs:225:97
[INFO] [stdout]     |
[INFO] [stdout] 225 |     let res = unsafe { libc::prctl(libc::PR_SET_VMA, libc::PR_SET_VMA_ANON_NAME, addr.as_ptr(), length, nameref) };
[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] [stdout] error: CRATER ERROR: C-variadic argument with type `AtFlags`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.29.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             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-0.29.0/src/unistd.rs:956:13
[INFO] [stdout]     |
[INFO] [stdout] 956 |             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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "051794a10f63de2ecf3ccd6d17d500cda788581bea5e5d318f7df69cc63f4164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051794a10f63de2ecf3ccd6d17d500cda788581bea5e5d318f7df69cc63f4164", kill_on_drop: false }`
[INFO] [stdout] 051794a10f63de2ecf3ccd6d17d500cda788581bea5e5d318f7df69cc63f4164
