[INFO] crate oniguruma 0.3.0 is already in cache
[INFO] extracting crate oniguruma 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/oniguruma/0.3.0
[INFO] extracting crate oniguruma 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/oniguruma/0.3.0
[INFO] validating manifest of oniguruma-0.3.0 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 oniguruma-0.3.0 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 oniguruma-0.3.0
[INFO] finished frobbing oniguruma-0.3.0
[INFO] frobbed toml for oniguruma-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/oniguruma/0.3.0/Cargo.toml
[INFO] started frobbing oniguruma-0.3.0
[INFO] finished frobbing oniguruma-0.3.0
[INFO] frobbed toml for oniguruma-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/oniguruma/0.3.0/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 oniguruma-0.3.0 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/reg/oniguruma/0.3.0:/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] 2e4e0dc3f9210f5e436c93ff42565e10ccc6fcb4294a9a6ce21b0e94e2a28930
[INFO] running `"docker" "start" "-a" "2e4e0dc3f9210f5e436c93ff42565e10ccc6fcb4294a9a6ce21b0e94e2a28930"`
[INFO] [stderr]    Compiling oniguruma v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/regex.rs:102:32
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/regex.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut err_buff = &mut [0 as u8; 90];
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]  --> src/encoding.rs:9:47
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub static ENCODING_UTF8: &'static Encoding = &OnigEncodingUTF8;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(safe_extern_statics)] on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]   = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:31:43
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub static SYNTAX_ASIS: &'static Syntax = &OnigSyntaxASIS;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:33:50
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub static SYNTAX_POSIX_BASIC: &'static Syntax = &OnigSyntaxPosixBasic;
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:35:53
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub static SYNTAX_POSIX_EXTENDED: &'static Syntax = &OnigSyntaxPosixExtended;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:37:44
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub static SYNTAX_EMACS: &'static Syntax = &OnigSyntaxEmacs;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:39:43
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub static SYNTAX_GREP: &'static Syntax = &OnigSyntaxGrep;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:41:48
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub static SYNTAX_GNU_REGEX: &'static Syntax = &OnigSyntaxGnuRegex;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:43:43
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub static SYNTAX_JAVA: &'static Syntax = &OnigSyntaxJava;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:45:43
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub static SYNTAX_PERL: &'static Syntax = &OnigSyntaxPerl;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:47:46
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub static SYNTAX_PERL_NG: &'static Syntax = &OnigSyntaxPerl_NG;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:49:43
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub static SYNTAX_RUBY: &'static Syntax = &OnigSyntaxRuby;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "2e4e0dc3f9210f5e436c93ff42565e10ccc6fcb4294a9a6ce21b0e94e2a28930"`
[INFO] running `"docker" "rm" "-f" "2e4e0dc3f9210f5e436c93ff42565e10ccc6fcb4294a9a6ce21b0e94e2a28930"`
[INFO] [stdout] 2e4e0dc3f9210f5e436c93ff42565e10ccc6fcb4294a9a6ce21b0e94e2a28930
[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/reg/oniguruma/0.3.0:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7f0f786c6d634a37d2b29222512a0a3603d9ef3bc718ec12260f407e58d46625
[INFO] running `"docker" "start" "-a" "7f0f786c6d634a37d2b29222512a0a3603d9ef3bc718ec12260f407e58d46625"`
[INFO] [stderr]    Compiling oniguruma v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/regex.rs:102:32
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/regex.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut err_buff = &mut [0 as u8; 90];
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]  --> src/encoding.rs:9:47
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub static ENCODING_UTF8: &'static Encoding = &OnigEncodingUTF8;
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(safe_extern_statics)] on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]   = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:31:43
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub static SYNTAX_ASIS: &'static Syntax = &OnigSyntaxASIS;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:33:50
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub static SYNTAX_POSIX_BASIC: &'static Syntax = &OnigSyntaxPosixBasic;
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:35:53
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub static SYNTAX_POSIX_EXTENDED: &'static Syntax = &OnigSyntaxPosixExtended;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:37:44
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub static SYNTAX_EMACS: &'static Syntax = &OnigSyntaxEmacs;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:39:43
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub static SYNTAX_GREP: &'static Syntax = &OnigSyntaxGrep;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:41:48
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub static SYNTAX_GNU_REGEX: &'static Syntax = &OnigSyntaxGnuRegex;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:43:43
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub static SYNTAX_JAVA: &'static Syntax = &OnigSyntaxJava;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:45:43
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub static SYNTAX_PERL: &'static Syntax = &OnigSyntaxPerl;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:47:46
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub static SYNTAX_PERL_NG: &'static Syntax = &OnigSyntaxPerl_NG;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: use of extern static is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/syntax.rs:49:43
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub static SYNTAX_RUBY: &'static Syntax = &OnigSyntaxRuby;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36247 <https://github.com/rust-lang/rust/issues/36247>
[INFO] [stderr]    = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.oniguruma.4hwg07ey-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b" "/opt/crater/target/debug/deps/oniguruma-49c2bab16e4e074b.q1rqgvvbd8gz5sa.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lonig" "-lonig" "-lonig" "-lonig" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-0127509d2e54a846.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-2651f8b4eed9e86e.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-c729851ce6e3efb2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-e8235f0d435d4737.rlib" "/opt/crater/target/debug/deps/libbitflags-c22c92d83e8dfa64.rlib" "/opt/crater/target/debug/deps/liblibc-d019039477cac03b.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lonig
[INFO] [stderr]           /usr/bin/ld: cannot find -lonig
[INFO] [stderr]           /usr/bin/ld: cannot find -lonig
[INFO] [stderr]           /usr/bin/ld: cannot find -lonig
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `oniguruma`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7f0f786c6d634a37d2b29222512a0a3603d9ef3bc718ec12260f407e58d46625"`
[INFO] running `"docker" "rm" "-f" "7f0f786c6d634a37d2b29222512a0a3603d9ef3bc718ec12260f407e58d46625"`
[INFO] [stdout] 7f0f786c6d634a37d2b29222512a0a3603d9ef3bc718ec12260f407e58d46625