[INFO] updating cached repository https://github.com/wezm/c2rust-dwm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d96cdc5238c8db83a274a7fe0fdb18e0237377fd
[INFO] testing wezm/c2rust-dwm against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwezm%2Fc2rust-dwm" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wezm/c2rust-dwm on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wezm/c2rust-dwm
[INFO] finished tweaking git repo https://github.com/wezm/c2rust-dwm
[INFO] tweaked toml for git repo https://github.com/wezm/c2rust-dwm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/wezm/c2rust-dwm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c71abfae0016c09749bd62ed15fdcace99fbcf05298ce833e037012c297e315
[INFO] running `"docker" "start" "-a" "4c71abfae0016c09749bd62ed15fdcace99fbcf05298ce833e037012c297e315"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling c2rust v6.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> build.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         writeln!(write, "cargo:rustc-link-lib={}", lib);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> c2rust-main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![feature(c_variadic)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> c2rust-main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![feature(const_raw_ptr_to_usize_cast)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> c2rust-main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #![feature(extern_types)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `x11`
[INFO] [stderr]  --> dwm.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use x11;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> dwm.rs:2194:4
[INFO] [stderr]      |
[INFO] [stderr] 2194 | /    (max(0, min((x)+(w),(*m).wx+(*m).ww) - max((x),(*m).wx))
[INFO] [stderr] 2195 | |                                * max(0, min((y)+(h),(*m).wy+(*m).wh) - max((y),(*m).wy)))
[INFO] [stderr]      | |_________________________________________________________________________________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2194 |    max(0, min((x)+(w),(*m).wx+(*m).ww) - max((x),(*m).wx))
[INFO] [stderr] 2195 |                                * max(0, min((y)+(h),(*m).wy+(*m).wh) - max((y),(*m).wy))
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> dwm.rs:2194:47
[INFO] [stderr]      |
[INFO] [stderr] 2194 |    (max(0, min((x)+(w),(*m).wx+(*m).ww) - max((x),(*m).wx))
[INFO] [stderr]      |                                               ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> dwm.rs:2195:76
[INFO] [stderr]      |
[INFO] [stderr] 2195 | ...                   * max(0, min((y)+(h),(*m).wy+(*m).wh) - max((y),(*m).wy)))
[INFO] [stderr]      |                                                                   ^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> util.rs:73:27
[INFO] [stderr]    |
[INFO] [stderr] 73 |     vfprintf(stderr, fmt, ap);
[INFO] [stderr]    |                           ^^ expected struct `std::ffi::VaList`, found struct `std::ffi::VaListImpl`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `c2rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4c71abfae0016c09749bd62ed15fdcace99fbcf05298ce833e037012c297e315"`
[INFO] running `"docker" "rm" "-f" "4c71abfae0016c09749bd62ed15fdcace99fbcf05298ce833e037012c297e315"`
[INFO] [stdout] 4c71abfae0016c09749bd62ed15fdcace99fbcf05298ce833e037012c297e315