[INFO] cloning repository https://github.com/weavedwires/dumbpipe-over-chatmail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weavedwires/dumbpipe-over-chatmail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweavedwires%2Fdumbpipe-over-chatmail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweavedwires%2Fdumbpipe-over-chatmail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba5ae57cbf30f9c42927d9c91e2c57907b09b695
[INFO] checking weavedwires/dumbpipe-over-chatmail 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%2Fweavedwires%2Fdumbpipe-over-chatmail" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/weavedwires/dumbpipe-over-chatmail
[INFO] finished tweaking git repo https://github.com/weavedwires/dumbpipe-over-chatmail
[INFO] tweaked toml for git repo https://github.com/weavedwires/dumbpipe-over-chatmail written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/weavedwires/dumbpipe-over-chatmail 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/weavedwires/dumbpipe-over-chatmail 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:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | 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: `dumbpipe` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cbd476b0aaf5949c21415fe00bd0cb1e236e19bd627db90f17044ce6e1ed9c2e
[INFO] running `Command { std: "docker" "start" "cbd476b0aaf5949c21415fe00bd0cb1e236e19bd627db90f17044ce6e1ed9c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbd476b0aaf5949c21415fe00bd0cb1e236e19bd627db90f17044ce6e1ed9c2e", 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" "cbd476b0aaf5949c21415fe00bd0cb1e236e19bd627db90f17044ce6e1ed9c2e" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbd476b0aaf5949c21415fe00bd0cb1e236e19bd627db90f17044ce6e1ed9c2e", 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" "cbd476b0aaf5949c21415fe00bd0cb1e236e19bd627db90f17044ce6e1ed9c2e" "/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:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | 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: `dumbpipe` (manifest) generated 1 warning
[INFO] [stderr]    Compiling portable-atomic v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling regex-lite v0.1.9
[INFO] [stderr]    Compiling rustls v0.23.43
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling der_derive v0.7.3
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling pest v2.9.0
[INFO] [stderr]    Compiling iroh-quinn-udp v0.5.7
[INFO] [stderr]     Checking spin v0.10.1
[INFO] [stderr]     Checking cordyceps v0.3.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ring v0.17.14
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking diatomic-waker v0.2.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]     Checking rand v0.9.5
[INFO] [stderr]     Checking webpki-roots v1.0.9
[INFO] [stderr]     Checking futures-buffered v0.2.13
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling n0-future v0.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.20
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling ucd-parse v0.1.13
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking netlink-packet-core v0.7.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking rand v0.8.7
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling asn1-rs-derive v0.5.1
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]    Compiling asn1-rs-impl v0.2.0
[INFO] [stderr]     Checking sha1 v0.10.7
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking uuid v1.24.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.16
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]     Checking rustls-webpki v0.103.14
[INFO] [stderr]    Compiling pest_meta v2.9.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.6
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]    Compiling iroh-metrics-derive v0.2.0
[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]    Compiling postcard-derive v0.2.2
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling iroh-quinn v0.13.0
[INFO] [stderr]    Compiling pkarr v3.10.0
[INFO] [stderr]    Compiling netwatch v0.5.0
[INFO] [stderr]     Checking crc-catalog v2.5.0
[INFO] [stderr]     Checking rustc-hash v2.1.3
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]     Checking base32 v0.5.1
[INFO] [stderr]     Checking xml-rs v0.8.29
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]    Compiling oid-registry v0.7.1
[INFO] [stderr]     Checking crc v3.4.0
[INFO] [stderr]     Checking moka v0.12.16
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking enumflags2 v0.7.12
[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]     Checking hmac-sha1 v0.2.2
[INFO] [stderr]     Checking pnet_macros_support v0.34.0
[INFO] [stderr]    Compiling pest_generator v2.9.0
[INFO] [stderr]     Checking num_enum v0.7.6
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]     Checking netlink-packet-route v0.23.0
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling nested_enum_utils v0.2.3
[INFO] [stderr]     Checking netdev v0.31.0
[INFO] [stderr]     Checking snafu v0.8.9
[INFO] [stderr]     Checking simple-dns v0.9.3
[INFO] [stderr]    Compiling pin-project-internal v1.1.13
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]    Compiling iroh-relay v0.35.0
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking resolv-conf v0.7.6
[INFO] [stderr]     Checking hmac-sha256 v1.1.14
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]     Checking bounded-integer v0.5.8
[INFO] [stderr]     Checking self_cell v1.3.0
[INFO] [stderr]     Checking hostname-validator v1.1.1
[INFO] [stderr]     Checking lru v0.13.0
[INFO] [stderr]     Checking crypto_secretbox v0.1.1
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]     Checking pem v3.0.6
[INFO] [stderr]    Compiling iroh v0.35.0
[INFO] [stderr]     Checking z32 v1.3.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking os_pipe v1.2.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking shared_thread v0.2.0
[INFO] [stderr]    Compiling pest_derive v2.9.0
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking sigchld v0.2.4
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking shared_child v1.1.1
[INFO] [stderr]     Checking duct v1.1.1
[INFO] [stderr]     Checking quoted-string-parser v0.1.0
[INFO] [stderr]     Checking pin-project v1.1.13
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking rcgen v0.13.2
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling precis-tools v0.1.9
[INFO] [stderr]    Compiling pnet_macros v0.34.0
[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-0.31.3/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-0.31.3/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-0.31.3/src/unistd.rs:1240:13
[INFO] [stdout]      |
[INFO] [stdout] 1240 |             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-0.31.3/src/unistd.rs:1240:13
[INFO] [stdout]      |
[INFO] [stdout] 1240 |             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" "cbd476b0aaf5949c21415fe00bd0cb1e236e19bd627db90f17044ce6e1ed9c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd476b0aaf5949c21415fe00bd0cb1e236e19bd627db90f17044ce6e1ed9c2e", kill_on_drop: false }`
[INFO] [stdout] cbd476b0aaf5949c21415fe00bd0cb1e236e19bd627db90f17044ce6e1ed9c2e
