[INFO] crate onig 4.3.2 is already in cache
[INFO] extracting crate onig 4.3.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/onig/4.3.2
[INFO] extracting crate onig 4.3.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/onig/4.3.2
[INFO] validating manifest of onig-4.3.2 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 onig-4.3.2 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 onig-4.3.2
[INFO] finished frobbing onig-4.3.2
[INFO] frobbed toml for onig-4.3.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/onig/4.3.2/Cargo.toml
[INFO] started frobbing onig-4.3.2
[INFO] finished frobbing onig-4.3.2
[INFO] frobbed toml for onig-4.3.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/onig/4.3.2/Cargo.toml
[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] testing onig-4.3.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/onig/4.3.2:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2109195a91c22ec59aa2adb12442e576ce52b0f367fd3f75b6aa94d95dae2ee2
[INFO] running `"docker" "start" "-a" "2109195a91c22ec59aa2adb12442e576ce52b0f367fd3f75b6aa94d95dae2ee2"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bindgen v0.50.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling onig_sys v69.2.0
[INFO] [stderr]    Compiling onig v4.3.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0412]: cannot find type `OnigRegexMut` in crate `onig_sys`
[INFO] [stderr]    --> src/lib.rs:142:20
[INFO] [stderr]     |
[INFO] [stderr] 142 |     raw: onig_sys::OnigRegexMut,
[INFO] [stderr]     |                    ^^^^^^^^^^^^ help: a type alias with a similar name exists: `OnigRegex`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `OnigRegexMut` in crate `onig_sys`
[INFO] [stderr]    --> src/lib.rs:320:32
[INFO] [stderr]     |
[INFO] [stderr] 320 |         let mut reg: onig_sys::OnigRegexMut = null_mut();
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: a type alias with a similar name exists: `OnigRegex`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `OnigRegexMut` in crate `onig_sys`
[INFO] [stderr]    --> src/lib.rs:321:50
[INFO] [stderr]     |
[INFO] [stderr] 321 |         let reg_ptr = &mut reg as *mut onig_sys::OnigRegexMut;
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ help: a type alias with a similar name exists: `OnigRegex`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `c_int` is imported redundantly
[INFO] [stderr]    --> src/region.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 5   | use std::os::raw::c_int;
[INFO] [stderr]     |     ------------------- the item `c_int` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 168 |         use std::os::raw::{c_int, c_void};
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:326:18
[INFO] [stderr]     |
[INFO] [stderr] 326 |             enc: null(),
[INFO] [stderr]     |                  ^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut onig_sys::OnigEncodingTypeST`
[INFO] [stderr]                found type `*const _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:327:18
[INFO] [stderr]     |
[INFO] [stderr] 327 |             par: null(),
[INFO] [stderr]     |                  ^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut u8`
[INFO] [stderr]                found type `*const _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:328:22
[INFO] [stderr]     |
[INFO] [stderr] 328 |             par_end: null(),
[INFO] [stderr]     |                      ^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut u8`
[INFO] [stderr]                found type `*const _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:341:17
[INFO] [stderr]     |
[INFO] [stderr] 341 |                 syntax as *const Syntax as *const onig_sys::OnigSyntaxType,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut onig_sys::OnigSyntaxType`
[INFO] [stderr]                found type `*const onig_sys::OnigSyntaxType`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:346:19
[INFO] [stderr]     |
[INFO] [stderr] 346 |         if err == onig_sys::ONIG_NORMAL {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^ expected i32, found u32
[INFO] [stderr] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit
[INFO] [stderr]     |
[INFO] [stderr] 346 |         if err == onig_sys::ONIG_NORMAL.try_into().unwrap() {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:515:17
[INFO] [stderr]     |
[INFO] [stderr] 515 |                 match_param.as_raw()
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut onig_sys::OnigMatchParamStruct`
[INFO] [stderr]                found type `*const onig_sys::OnigMatchParamStruct`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:704:17
[INFO] [stderr]     |
[INFO] [stderr] 704 |                 match_param.as_raw()
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut onig_sys::OnigMatchParamStruct`
[INFO] [stderr]                found type `*const onig_sys::OnigMatchParamStruct`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/find.rs:182:17
[INFO] [stderr]     |
[INFO] [stderr] 182 |                 scan_cb::<F>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^ expected enum `std::option::Option`, found fn item
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::option::Option<unsafe extern "C" fn(i32, i32, *mut onig_sys::re_registers, *mut std::ffi::c_void) -> i32>`
[INFO] [stderr]                found type `extern "C" fn(i32, i32, *const onig_sys::re_registers, *mut std::ffi::c_void) -> i32 {find::<impl Regex>::scan_with_region::scan_cb::<F>}`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/region.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 |                 beg: null(),
[INFO] [stderr]    |                      ^^^^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `*mut i32`
[INFO] [stderr]               found type `*const _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/region.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 end: null(),
[INFO] [stderr]    |                      ^^^^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `*mut i32`
[INFO] [stderr]               found type `*const _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/region.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 history_root: null(),
[INFO] [stderr]    |                               ^^^^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `*mut onig_sys::OnigCaptureTreeNodeStruct`
[INFO] [stderr]               found type `*const _`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/region.rs:53:57
[INFO] [stderr]    |
[INFO] [stderr] 53 |             onig_sys::onig_region_copy(&mut region.raw, ptr);
[INFO] [stderr]    |                                                         ^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `*mut onig_sys::re_registers`
[INFO] [stderr]               found type `*const onig_sys::re_registers`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/region.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |         if r != onig_sys::ONIG_NORMAL {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^ expected i32, found u32
[INFO] [stderr] help: you can convert an `u32` to `i32` and panic if the converted value wouldn't fit
[INFO] [stderr]    |
[INFO] [stderr] 84 |         if r != onig_sys::ONIG_NORMAL.try_into().unwrap() {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/region.rs:131:61
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let tree = unsafe { onig_sys::onig_get_capture_tree(&self.raw) };
[INFO] [stderr]     |                                                             ^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut onig_sys::re_registers`
[INFO] [stderr]                found type `&onig_sys::re_registers`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/region.rs:191:17
[INFO] [stderr]     |
[INFO] [stderr] 191 |                 &self.raw,
[INFO] [stderr]     |                 ^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut onig_sys::re_registers`
[INFO] [stderr]                found type `&onig_sys::re_registers`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/region.rs:193:17
[INFO] [stderr]     |
[INFO] [stderr] 193 |                 traverse_cb::<F>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 expected enum `std::option::Option`, found fn item
[INFO] [stderr]     |                 help: try using a variant of the expected type: `Some(traverse_cb::<F>)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::option::Option<unsafe extern "C" fn(i32, i32, i32, i32, i32, *mut std::ffi::c_void) -> i32>`
[INFO] [stderr]                found type `extern "C" fn(i32, i32, i32, i32, i32, *mut std::ffi::c_void) -> i32 {region::Region::tree_traverse_at::traverse_cb::<F>}`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/match_param.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 limit as c_uint
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 expected u64, found u32
[INFO] [stderr]    |                 help: you can convert an `u32` to `u64`: `(limit as c_uint).into()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/names.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 foreach_cb::<F>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found fn item
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<unsafe extern "C" fn(*const u8, *const u8, i32, *mut i32, *mut onig_sys::re_pattern_buffer, *mut std::ffi::c_void) -> i32>`
[INFO] [stderr]               found type `extern "C" fn(*const u8, *const u8, i32, *const i32, *mut onig_sys::re_pattern_buffer, *mut std::ffi::c_void) -> i32 {names::<impl Regex>::foreach_name::foreach_cb::<F>}`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/syntax.rs:99:51
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let op = onig_sys::onig_get_syntax_op(&self.raw);
[INFO] [stderr]    |                                                   ^^^^^^^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `*mut onig_sys::OnigSyntaxType`
[INFO] [stderr]               found type `&onig_sys::OnigSyntaxType`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/syntax.rs:100:53
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let op2 = onig_sys::onig_get_syntax_op2(&self.raw);
[INFO] [stderr]     |                                                     ^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut onig_sys::OnigSyntaxType`
[INFO] [stderr]                found type `&onig_sys::OnigSyntaxType`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/syntax.rs:135:88
[INFO] [stderr]     |
[INFO] [stderr] 135 |         SyntaxBehavior::from_bits_truncate(unsafe { onig_sys::onig_get_syntax_behavior(&self.raw) })
[INFO] [stderr]     |                                                                                        ^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut onig_sys::OnigSyntaxType`
[INFO] [stderr]                found type `&onig_sys::OnigSyntaxType`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/syntax.rs:160:85
[INFO] [stderr]     |
[INFO] [stderr] 160 |         RegexOptions::from_bits_truncate(unsafe { onig_sys::onig_get_syntax_options(&self.raw) })
[INFO] [stderr]     |                                                                                     ^^^^^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut onig_sys::OnigSyntaxType`
[INFO] [stderr]                found type `&onig_sys::OnigSyntaxType`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/utils.rs:37:77
[INFO] [stderr]    |
[INFO] [stderr] 37 |         unsafe { onig_sys::onig_unicode_define_user_property(name.as_ptr(), raw_ranges.as_ptr()) };
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `*mut u32`
[INFO] [stderr]               found type `*const u32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/buffers.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn encoding(&self) -> onig_sys::OnigEncoding {
[INFO] [stderr]    |                           ---------------------- expected `*mut onig_sys::OnigEncodingTypeST` because of return type
[INFO] [stderr] 28 |         unsafe { &onig_sys::OnigEncodingUTF8 }
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `*mut onig_sys::OnigEncodingTypeST`
[INFO] [stderr]               found type `&onig_sys::OnigEncodingTypeST`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/buffers.rs:97:27
[INFO] [stderr]    |
[INFO] [stderr] 97 |             enc: unsafe { &onig_sys::OnigEncodingASCII },
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `*mut onig_sys::OnigEncodingTypeST`
[INFO] [stderr]               found type `&onig_sys::OnigEncodingTypeST`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/flags.rs:263:13
[INFO] [stderr]     |
[INFO] [stderr] 263 |             onig_sys::ONIG_TRAVERSE_CALLBACK_AT_FIRST;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected i32, found u32
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/flags.rs:266:13
[INFO] [stderr]     |
[INFO] [stderr] 266 |             onig_sys::ONIG_TRAVERSE_CALLBACK_AT_LAST;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected i32, found u32
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/flags.rs:269:13
[INFO] [stderr]     |
[INFO] [stderr] 269 |             onig_sys::ONIG_TRAVERSE_CALLBACK_AT_BOTH;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected i32, found u32
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 31 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0412.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `onig`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2109195a91c22ec59aa2adb12442e576ce52b0f367fd3f75b6aa94d95dae2ee2"`
[INFO] running `"docker" "rm" "-f" "2109195a91c22ec59aa2adb12442e576ce52b0f367fd3f75b6aa94d95dae2ee2"`
[INFO] [stdout] 2109195a91c22ec59aa2adb12442e576ce52b0f367fd3f75b6aa94d95dae2ee2