[INFO] updating cached repository https://github.com/jmquigs/rotor-webserver
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] ec49a6af7a8c4487cfbea354c31700680d4499c0
[INFO] testing jmquigs/rotor-webserver against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmquigs%2Frotor-webserver" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmquigs/rotor-webserver on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jmquigs/rotor-webserver
[INFO] finished tweaking git repo https://github.com/jmquigs/rotor-webserver
[INFO] tweaked toml for git repo https://github.com/jmquigs/rotor-webserver written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jmquigs/rotor-webserver already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/mio`
[INFO] [stderr]     Updating git repository `https://github.com/jmquigs/rotor`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/bytes`
[INFO] [stderr]     Updating git repository `https://github.com/alexcrichton/miow`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/nix-rust`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"`
[INFO] [stdout] fbbe17156d7af1a440b4f992ffae78be74d5658f7136d8cbc3798974a3f43f60
[INFO] running `"docker" "start" "-a" "fbbe17156d7af1a440b4f992ffae78be74d5658f7136d8cbc3798974a3f43f60"`
[INFO] [stderr]    Compiling bytes v0.2.10 (https://github.com/carllerche/bytes?rev=7edb577d0a#7edb577d)
[INFO] [stderr]    Compiling netbuf v0.2.3
[INFO] [stderr]    Compiling nix v0.4.1 (https://github.com/carllerche/nix-rust?rev=ad87c3bdc9#ad87c3bd)
[INFO] [stderr]    Compiling miow v0.1.1 (https://github.com/alexcrichton/miow?rev=b00451dfb1#b00451df)
[INFO] [stderr] error[E0591]: can't transmute zero-sized type
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/nix-rust-d606302ceff0dca5/ad87c3b/src/sched.rs:168:20
[INFO] [stderr]     |
[INFO] [stderr] 168 |         ffi::clone(mem::transmute(callback), ptr as *mut c_void, flags, &mut cb)
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: source type: for<'r> extern "C" fn(*mut std::boxed::Box<(dyn std::ops::FnMut() -> isize + 'r)>) -> i32 {sched::clone::callback}
[INFO] [stderr]     = note: target type: *const for<'r> extern "C" fn(*const std::boxed::Box<(dyn std::ops::FnMut() -> isize + 'r)>) -> i32
[INFO] [stderr]     = help: cast with `as` to a pointer instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0591`.
[INFO] [stderr] error: could not compile `nix`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fbbe17156d7af1a440b4f992ffae78be74d5658f7136d8cbc3798974a3f43f60"`
[INFO] running `"docker" "rm" "-f" "fbbe17156d7af1a440b4f992ffae78be74d5658f7136d8cbc3798974a3f43f60"`
[INFO] [stdout] fbbe17156d7af1a440b4f992ffae78be74d5658f7136d8cbc3798974a3f43f60