[INFO] fetching crate doc-drift 0.2.0...
[INFO] checking doc-drift-0.2.0 against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] extracting crate doc-drift 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate doc-drift 0.2.0
[INFO] finished tweaking crates.io crate doc-drift 0.2.0
[INFO] tweaked toml for crates.io crate doc-drift 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate doc-drift 0.2.0 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 doc-drift 0.2.0 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:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | homepage = "https://github.com/clanker-lover/doc-drift"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 | repository = "https://github.com/clanker-lover/doc-drift"
[INFO] [stderr]    |              --------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `doc-drift` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 10c569bf0596e5a2d5c0c3eeaa2ed7e703063a8139d99f53f46d1908dcd45604
[INFO] running `Command { std: "docker" "start" "10c569bf0596e5a2d5c0c3eeaa2ed7e703063a8139d99f53f46d1908dcd45604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10c569bf0596e5a2d5c0c3eeaa2ed7e703063a8139d99f53f46d1908dcd45604", 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" "10c569bf0596e5a2d5c0c3eeaa2ed7e703063a8139d99f53f46d1908dcd45604" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10c569bf0596e5a2d5c0c3eeaa2ed7e703063a8139d99f53f46d1908dcd45604", 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" "10c569bf0596e5a2d5c0c3eeaa2ed7e703063a8139d99f53f46d1908dcd45604" "/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:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | 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: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | homepage = "https://github.com/clanker-lover/doc-drift"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 | repository = "https://github.com/clanker-lover/doc-drift"
[INFO] [stderr]    |              --------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `doc-drift` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]     Checking winnow v0.7.15
[INFO] [stderr]     Checking jod-thread v1.0.0
[INFO] [stderr]     Checking unicode-properties v0.1.4
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking thin-vec v0.2.14
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking ra_ap_edition v0.0.325
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking rustc-literal-escaper v0.0.4
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]     Checking triomphe v0.1.15
[INFO] [stderr]     Checking ra-ap-rustc_lexer v0.143.0
[INFO] [stderr]    Compiling salsa-macros v0.25.2
[INFO] [stderr]     Checking intrusive-collections v0.9.7
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]     Checking boxcar v0.2.14
[INFO] [stderr]     Checking smol_str v0.3.6
[INFO] [stderr]     Checking salsa-macro-rules v0.25.2
[INFO] [stderr]     Checking inventory v0.3.22
[INFO] [stderr]     Checking la-arena v0.3.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling ra-ap-rustc_index_macros v0.143.0
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling ra_ap_query-group-macro v0.0.325
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking cov-mark v2.2.0
[INFO] [stderr]    Compiling rustc_apfloat v0.2.3+llvm-462a31f5a5ab
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]     Checking rustc-stable-hash v0.1.2
[INFO] [stderr]     Checking rowan v0.15.17
[INFO] [stderr]     Checking ra_ap_paths v0.0.325
[INFO] [stderr]     Checking num-conv v0.2.1
[INFO] [stderr]     Checking ra-ap-rustc_hashes v0.143.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking ena v0.14.4
[INFO] [stderr]    Compiling ra-ap-rustc_type_ir_macros v0.143.0
[INFO] [stderr]     Checking ra-ap-rustc_index v0.143.0
[INFO] [stderr]    Compiling derive-where v1.6.1
[INFO] [stderr]     Checking ra-ap-rustc_ast_ir v0.143.0
[INFO] [stderr]     Checking rustc-literal-escaper v0.0.5
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]    Compiling ra_ap_macros v0.0.325
[INFO] [stderr]     Checking ra-ap-rustc_parse_format v0.143.0
[INFO] [stderr]     Checking ra-ap-rustc_abi v0.143.0
[INFO] [stderr]     Checking dissimilar v1.0.11
[INFO] [stderr]     Checking line-index v0.1.2
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]     Checking winnow v1.0.0
[INFO] [stderr]     Checking ra-ap-rustc_pattern_analysis v0.143.0
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]     Checking heapless v0.7.17
[INFO] [stderr]     Checking ra_ap_toolchain v0.0.325
[INFO] [stderr]     Checking cobs v0.3.0
[INFO] [stderr]     Checking cargo-platform v0.3.2
[INFO] [stderr]     Checking serde_spanned v1.1.0
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking ra_ap_stdx v0.0.325
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking toml_parser v1.1.0+spec-1.1.0
[INFO] [stderr]     Checking inotify v0.11.1
[INFO] [stdout] error: CRATER ERROR: C-variadic argument with type `A`.
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/perf-event-open-sys-1.0.1/src/lib.rs:258:43
[INFO] [stdout]     |
[INFO] [stdout] 258 |         libc::ioctl(fd, ioctl as c_ulong, arg)
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `A` does not implement `VaArgSafe`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/perf-event-open-sys-1.0.1/src/lib.rs:258:43
[INFO] [stdout]     |
[INFO] [stdout] 258 |         libc::ioctl(fd, ioctl as c_ulong, arg)
[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]     Checking notify-types v2.1.0
[INFO] [stderr] error: could not compile `perf-event-open-sys` (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" "10c569bf0596e5a2d5c0c3eeaa2ed7e703063a8139d99f53f46d1908dcd45604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c569bf0596e5a2d5c0c3eeaa2ed7e703063a8139d99f53f46d1908dcd45604", kill_on_drop: false }`
[INFO] [stdout] 10c569bf0596e5a2d5c0c3eeaa2ed7e703063a8139d99f53f46d1908dcd45604
