[INFO] updating cached repository https://github.com/RoastVeg/wlrusts
[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] 8f86cc8662256916aaa529d36da5ce55e3db93c5
[INFO] testing RoastVeg/wlrusts against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoastVeg%2Fwlrusts" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RoastVeg/wlrusts on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/RoastVeg/wlrusts
[INFO] removed workspace from git repo https://github.com/RoastVeg/wlrusts
[INFO] finished tweaking git repo https://github.com/RoastVeg/wlrusts
[INFO] tweaked toml for git repo https://github.com/RoastVeg/wlrusts written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/RoastVeg/wlrusts already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-06-03" "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] ebe044dcb4ab47208d2a7724a9d65a666d794eb5d1545aec1a307094eb8623c7
[INFO] running `"docker" "start" "-a" "ebe044dcb4ab47208d2a7724a9d65a666d794eb5d1545aec1a307094eb8623c7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling wlrusts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling c2rust-bitfields-derive v0.2.0
[INFO] [stderr]    Compiling c2rust-bitfields v0.3.0
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> lib.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 beta release channel
[INFO] [stderr]  --> lib.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 beta release channel
[INFO] [stderr]   --> lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #![feature(const_transmute)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![feature(extern_types)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![feature(main)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]   --> lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![feature(ptr_wrapping_offset_from)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/util/region.rs:493:19
[INFO] [stderr]     |
[INFO] [stderr] 493 |                   (if dx > 0i32 as libc::c_double { 1i32 } else { -1i32 })
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/util/region.rs:500:19
[INFO] [stderr]     |
[INFO] [stderr] 500 |                   (if dy > 0i32 as libc::c_double { 1i32 } else { -1i32 })
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `wlrusts`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ebe044dcb4ab47208d2a7724a9d65a666d794eb5d1545aec1a307094eb8623c7"`
[INFO] running `"docker" "rm" "-f" "ebe044dcb4ab47208d2a7724a9d65a666d794eb5d1545aec1a307094eb8623c7"`
[INFO] [stdout] ebe044dcb4ab47208d2a7724a9d65a666d794eb5d1545aec1a307094eb8623c7