[INFO] fetching crate libnewsboat 2.38.0...
[INFO] checking libnewsboat-2.38.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate libnewsboat 2.38.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate libnewsboat 2.38.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libnewsboat 2.38.0
[INFO] tweaked toml for crates.io crate libnewsboat 2.38.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libnewsboat 2.38.0 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 libnewsboat 2.38.0 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:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | 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: `libnewsboat` (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] ab88b74b26d5db09ba01ace1ef9fcda2a4eb7c61b2c7b36eec1537ac3aa5b32b
[INFO] running `Command { std: "docker" "start" "ab88b74b26d5db09ba01ace1ef9fcda2a4eb7c61b2c7b36eec1537ac3aa5b32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab88b74b26d5db09ba01ace1ef9fcda2a4eb7c61b2c7b36eec1537ac3aa5b32b", 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" "ab88b74b26d5db09ba01ace1ef9fcda2a4eb7c61b2c7b36eec1537ac3aa5b32b" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab88b74b26d5db09ba01ace1ef9fcda2a4eb7c61b2c7b36eec1537ac3aa5b32b", 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" "ab88b74b26d5db09ba01ace1ef9fcda2a4eb7c61b2c7b36eec1537ac3aa5b32b" "/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:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | 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: `libnewsboat` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling temp-dir v0.1.14
[INFO] [stderr]    Compiling cc v1.2.5
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling libnewsboat v2.38.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking miniz_oxide v0.8.2
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking lexopt v0.3.0
[INFO] [stderr]     Checking xdg v2.5.2
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking section_testing v0.0.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling gettext-sys v0.22.5
[INFO] [stderr]    Compiling curl-sys v0.4.78+curl-8.11.0
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking strprintf v0.1.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `<T as traits::CReprHolder>::Output`.
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/strprintf-0.1.0/src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             arg_c_repr_holder.to_c_repr(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `<T as traits::CReprHolder>::Output` does not implement `VaArgSafe`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/strprintf-0.1.0/src/lib.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             arg_c_repr_holder.to_c_repr(),
[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 `strprintf` (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" "ab88b74b26d5db09ba01ace1ef9fcda2a4eb7c61b2c7b36eec1537ac3aa5b32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab88b74b26d5db09ba01ace1ef9fcda2a4eb7c61b2c7b36eec1537ac3aa5b32b", kill_on_drop: false }`
[INFO] [stdout] ab88b74b26d5db09ba01ace1ef9fcda2a4eb7c61b2c7b36eec1537ac3aa5b32b
