[INFO] updating cached repository dontpanic92/rainfuck
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dontpanic92/rainfuck
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dontpanic92/rainfuck" "work/ex/beta-1.38-1/sources/1.37.0/gh/dontpanic92/rainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dontpanic92/rainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dontpanic92/rainfuck" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dontpanic92/rainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dontpanic92/rainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 47158fd87b30e9e51ac86d5ff1c081fddef1cedb
[INFO] sha for GitHub repo dontpanic92/rainfuck: 47158fd87b30e9e51ac86d5ff1c081fddef1cedb
[INFO] validating manifest of dontpanic92/rainfuck on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dontpanic92/rainfuck on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dontpanic92/rainfuck
[INFO] finished frobbing dontpanic92/rainfuck
[INFO] frobbed toml for dontpanic92/rainfuck written to work/ex/beta-1.38-1/sources/1.37.0/gh/dontpanic92/rainfuck/Cargo.toml
[INFO] started frobbing dontpanic92/rainfuck
[INFO] finished frobbing dontpanic92/rainfuck
[INFO] frobbed toml for dontpanic92/rainfuck written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dontpanic92/rainfuck/Cargo.toml
[INFO] crate dontpanic92/rainfuck already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dontpanic92/rainfuck/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing dontpanic92/rainfuck against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dontpanic92/rainfuck:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] fcb16d3d3771fc1b8b1305bfaa287f32707b9de5699f07fc2450486196559a87
[INFO] running `"docker" "start" "-a" "fcb16d3d3771fc1b8b1305bfaa287f32707b9de5699f07fc2450486196559a87"`
[INFO] [stderr]    Compiling rainfuck v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0591]: can't transmute zero-sized type
[INFO] [stderr]    --> src/jit_compiler_x64.rs:330:53
[INFO] [stderr]     |
[INFO] [stderr] 330 |         self.jit_code.emit_mov_ri(Reg::Rcx, unsafe {mem::transmute(putchar)});
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: source type: unsafe extern "C" fn(i32) -> i32 {jit_compiler_x64::putchar}
[INFO] [stderr]     = note: target type: u64
[INFO] [stderr]     = help: cast with `as` to a pointer instead
[INFO] [stderr] 
[INFO] [stderr] error[E0591]: can't transmute zero-sized type
[INFO] [stderr]    --> src/jit_compiler_x64.rs:332:53
[INFO] [stderr]     |
[INFO] [stderr] 332 |         self.jit_code.emit_mov_ri(Reg::Rcx, unsafe {mem::transmute(libc::fflush)});
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: source type: unsafe extern "C" fn(*mut jit_compiler_x64::libc::FILE) -> i32 {jit_compiler_x64::libc::fflush}
[INFO] [stderr]     = note: target type: u64
[INFO] [stderr]     = help: cast with `as` to a pointer instead
[INFO] [stderr] 
[INFO] [stderr] error[E0591]: can't transmute zero-sized type
[INFO] [stderr]    --> src/jit_compiler_x64.rs:341:53
[INFO] [stderr]     |
[INFO] [stderr] 341 |         self.jit_code.emit_mov_ri(Reg::Rcx, unsafe {mem::transmute(test)});
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: source type: extern "C" fn(i64) {jit_compiler_x64::test}
[INFO] [stderr]     = note: target type: u64
[INFO] [stderr]     = help: cast with `as` to a pointer instead
[INFO] [stderr] 
[INFO] [stderr] error[E0591]: can't transmute zero-sized type
[INFO] [stderr]    --> src/jit_compiler_x64.rs:349:53
[INFO] [stderr]     |
[INFO] [stderr] 349 |         self.jit_code.emit_mov_ri(Reg::Rcx, unsafe {mem::transmute(_getchar)});
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: source type: extern "C" fn() -> i32 {jit_compiler_x64::_getchar}
[INFO] [stderr]     = note: target type: u64
[INFO] [stderr]     = help: cast with `as` to a pointer instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0591`.
[INFO] [stderr] error: Could not compile `rainfuck`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fcb16d3d3771fc1b8b1305bfaa287f32707b9de5699f07fc2450486196559a87"`
[INFO] running `"docker" "rm" "-f" "fcb16d3d3771fc1b8b1305bfaa287f32707b9de5699f07fc2450486196559a87"`
[INFO] [stdout] fcb16d3d3771fc1b8b1305bfaa287f32707b9de5699f07fc2450486196559a87