[INFO] crate objc 0.2.6 is already in cache [INFO] extracting crate objc 0.2.6 into work/ex/beta-1.37-6/sources/1.36.0/reg/objc/0.2.6 [INFO] extracting crate objc 0.2.6 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/objc/0.2.6 [INFO] validating manifest of objc-0.2.6 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of objc-0.2.6 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing objc-0.2.6 [INFO] finished frobbing objc-0.2.6 [INFO] frobbed toml for objc-0.2.6 written to work/ex/beta-1.37-6/sources/1.36.0/reg/objc/0.2.6/Cargo.toml [INFO] started frobbing objc-0.2.6 [INFO] finished frobbing objc-0.2.6 [INFO] frobbed toml for objc-0.2.6 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/objc/0.2.6/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing objc-0.2.6 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/objc/0.2.6:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 13885f022e3f0974be4a5cd29e67af97070920035b048d848602336a19a45f5f [INFO] running `"docker" "start" "-a" "13885f022e3f0974be4a5cd29e67af97070920035b048d848602336a19a45f5f"` [INFO] [stderr] Compiling objc v0.2.6 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/encode.rs:75:31 [INFO] [stderr] | [INFO] [stderr] 75 | let s = self.as_str().trim_left_matches(QUALIFIERS); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/encode.rs:76:32 [INFO] [stderr] | [INFO] [stderr] 76 | let o = other.as_str().trim_left_matches(QUALIFIERS); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `"docker" "inspect" "13885f022e3f0974be4a5cd29e67af97070920035b048d848602336a19a45f5f"` [INFO] running `"docker" "rm" "-f" "13885f022e3f0974be4a5cd29e67af97070920035b048d848602336a19a45f5f"` [INFO] [stdout] 13885f022e3f0974be4a5cd29e67af97070920035b048d848602336a19a45f5f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/objc/0.2.6:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 94b00091538b23bde4f6445b06950265d32702ce899f389c873f4bd4ba8a51f5 [INFO] running `"docker" "start" "-a" "94b00091538b23bde4f6445b06950265d32702ce899f389c873f4bd4ba8a51f5"` [INFO] [stderr] Compiling objc v0.2.6 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/encode.rs:75:31 [INFO] [stderr] | [INFO] [stderr] 75 | let s = self.as_str().trim_left_matches(QUALIFIERS); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> src/encode.rs:76:32 [INFO] [stderr] | [INFO] [stderr] 76 | let o = other.as_str().trim_left_matches(QUALIFIERS); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.0.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.1.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.10.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.11.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.12.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.13.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.14.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.15.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.2.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.3.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.4.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.5.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.6.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.7.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.8.rcgu.o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.example.4w0h0o34-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e" "/opt/crater/target/debug/examples/example-7d6b44c2b1d71f1e.289ygztjf84slpmb.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libobjc-834dec804e79766a.rlib" "/opt/crater/target/debug/deps/libmalloc_buf-cb715c160058df0c.rlib" "/opt/crater/target/debug/deps/liblibc-e3ba75b536aabfa5.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-lobjc" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /opt/crater/target/debug/deps/libobjc-834dec804e79766a.rlib(objc-834dec804e79766a.objc.91mw0aby-cgu.1.rcgu.o): In function `objc::runtime::Object::class': [INFO] [stderr] /opt/crater/workdir/src/runtime.rs:464: undefined reference to `object_getClass' [INFO] [stderr] /opt/crater/target/debug/deps/libobjc-834dec804e79766a.rlib(objc-834dec804e79766a.objc.91mw0aby-cgu.11.rcgu.o): In function `::drop': [INFO] [stderr] /opt/crater/workdir/src/rc/strong.rs:48: undefined reference to `objc_release' [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 `objc`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9" "/opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.nv2v6t2l0bx78c8.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lobjc" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-e8fbf0b14816ca0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-c9d91925876437f2.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-50d6bab7df588609.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-913b30c2987aa8da.rlib" "/opt/crater/target/debug/deps/libmalloc_buf-cb715c160058df0c.rlib" "/opt/crater/target/debug/deps/liblibc-e3ba75b536aabfa5.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::new': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:259: undefined reference to `objc_allocateProtocol' [INFO] [stderr] /opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::add_method_description_common': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:281: undefined reference to `protocol_addMethodDescription' [INFO] [stderr] /opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::add_method_description_common': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:281: undefined reference to `protocol_addMethodDescription' [INFO] [stderr] /opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::add_method_description_common': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:281: undefined reference to `protocol_addMethodDescription' [INFO] [stderr] /opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::add_method_description_common': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:281: undefined reference to `protocol_addMethodDescription' [INFO] [stderr] /opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::add_protocol': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:303: undefined reference to `protocol_addProtocol' [INFO] [stderr] /opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.0.rcgu.o: In function `objc::declare::ProtocolDecl::register': [INFO] [stderr] /opt/crater/workdir/src/declare.rs:311: undefined reference to `objc_registerProtocol' [INFO] [stderr] /opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.3.rcgu.o: In function `objc::runtime::Class::classes': [INFO] [stderr] /opt/crater/workdir/src/runtime.rs:290: undefined reference to `objc_copyClassList' [INFO] [stderr] /opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.3.rcgu.o: In function `objc::runtime::Class::metaclass': [INFO] [stderr] /opt/crater/workdir/src/runtime.rs:322: undefined reference to `object_getClass' [INFO] [stderr] /opt/crater/target/debug/deps/objc-f9c11be9b5c159a9.objc.94bvy9ng-cgu.3.rcgu.o: In function `objc::runtime::Object::class': [INFO] [stderr] /opt/crater/workdir/src/runtime.rs:464: undefined reference to `object_getClass' [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 `objc`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "94b00091538b23bde4f6445b06950265d32702ce899f389c873f4bd4ba8a51f5"` [INFO] running `"docker" "rm" "-f" "94b00091538b23bde4f6445b06950265d32702ce899f389c873f4bd4ba8a51f5"` [INFO] [stdout] 94b00091538b23bde4f6445b06950265d32702ce899f389c873f4bd4ba8a51f5