[INFO] updating cached repository robjperez/ot-constant-generator [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/robjperez/ot-constant-generator [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/robjperez/ot-constant-generator" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/robjperez/ot-constant-generator"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/robjperez/ot-constant-generator'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/robjperez/ot-constant-generator" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/robjperez/ot-constant-generator"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/robjperez/ot-constant-generator'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b4d9ec2678431395aad4f150efc1903e3d7372f8 [INFO] sha for GitHub repo robjperez/ot-constant-generator: b4d9ec2678431395aad4f150efc1903e3d7372f8 [INFO] validating manifest of robjperez/ot-constant-generator on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of robjperez/ot-constant-generator on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing robjperez/ot-constant-generator [INFO] finished frobbing robjperez/ot-constant-generator [INFO] frobbed toml for robjperez/ot-constant-generator written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/robjperez/ot-constant-generator/Cargo.toml [INFO] started frobbing robjperez/ot-constant-generator [INFO] finished frobbing robjperez/ot-constant-generator [INFO] frobbed toml for robjperez/ot-constant-generator written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/robjperez/ot-constant-generator/Cargo.toml [INFO] crate robjperez/ot-constant-generator already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking robjperez/ot-constant-generator against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/robjperez/ot-constant-generator:/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 27d715dc9abe09e0ce3d9ab4d3d347f9619761416f98c201b16b443339d210fd [INFO] running `"docker" "start" "-a" "27d715dc9abe09e0ce3d9ab4d3d347f9619761416f98c201b16b443339d210fd"` [INFO] [stderr] Compiling openssl-sys v0.7.13 [INFO] [stderr] Compiling openssl-sys-extras v0.7.13 [INFO] [stderr] Compiling openssl v0.7.13 [INFO] [stderr] Checking mime v0.2.0 [INFO] [stderr] Checking num_cpus v0.2.12 [INFO] [stderr] Checking uuid v0.2.2 [INFO] [stderr] Checking url v1.1.1 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] error: failed to run custom build command for `openssl v0.7.13` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/openssl-705dbfdb11ea852f/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] OPT_LEVEL = Some("0") [INFO] [stderr] PROFILE = Some("debug") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] debug=true opt-level=0 [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CC_x86_64-unknown-linux-gnu = None [INFO] [stderr] CC_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CC = None [INFO] [stderr] CC = None [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CFLAGS = None [INFO] [stderr] CFLAGS = None [INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-m64" "-fPIC" "-o" "/opt/crater/target/debug/build/openssl-6c79515dd7056244/out/src/c_helpers.o" "-c" "src/c_helpers.c" [INFO] [stderr] ExitStatus(ExitStatus(256)) [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] command did not execute successfully, got: exit code: 1 [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] src/c_helpers.c: In function 'rust_SSL_clone': [INFO] [stderr] src/c_helpers.c:4:5: warning: implicit declaration of function 'CRYPTO_add' [-Wimplicit-function-declaration] [INFO] [stderr] CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL); [INFO] [stderr] ^~~~~~~~~~ [INFO] [stderr] src/c_helpers.c:4:20: error: dereferencing pointer to incomplete type 'SSL {aka struct ssl_st}' [INFO] [stderr] CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL); [INFO] [stderr] ^~ [INFO] [stderr] src/c_helpers.c:4:37: error: 'CRYPTO_LOCK_SSL' undeclared (first use in this function) [INFO] [stderr] CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL); [INFO] [stderr] ^~~~~~~~~~~~~~~ [INFO] [stderr] src/c_helpers.c:4:37: note: each undeclared identifier is reported only once for each function it appears in [INFO] [stderr] src/c_helpers.c: In function 'rust_SSL_CTX_clone': [INFO] [stderr] src/c_helpers.c:8:20: error: dereferencing pointer to incomplete type 'SSL_CTX {aka struct ssl_ctx_st}' [INFO] [stderr] CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); [INFO] [stderr] ^~ [INFO] [stderr] src/c_helpers.c:8:35: error: 'CRYPTO_LOCK_SSL_CTX' undeclared (first use in this function) [INFO] [stderr] CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); [INFO] [stderr] ^~~~~~~~~~~~~~~~~~~ [INFO] [stderr] src/c_helpers.c: In function 'rust_X509_clone': [INFO] [stderr] src/c_helpers.c:12:21: error: dereferencing pointer to incomplete type 'X509 {aka struct x509_st}' [INFO] [stderr] CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); [INFO] [stderr] ^~ [INFO] [stderr] src/c_helpers.c:12:36: error: 'CRYPTO_LOCK_X509' undeclared (first use in this function) [INFO] [stderr] CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); [INFO] [stderr] ^~~~~~~~~~~~~~~~ [INFO] [stderr] thread 'main' panicked at 'explicit panic', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:840:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5644723b024b - backtrace::backtrace::libunwind::trace::h5d27dcba3b250cfe [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5644723b024b - backtrace::backtrace::trace_unsynchronized::h239341a8b1cadbab [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5644723b024b - std::sys_common::backtrace::_print::hb0e5dd39180a1838 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5644723b024b - std::sys_common::backtrace::print::h9b385b2285f057b8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5644723b024b - std::panicking::default_hook::{{closure}}::he3310a15a78966b4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5644723aff26 - std::panicking::default_hook::h2986f418df62eff4 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5644723b090d - std::panicking::rust_panic_with_hook::h15065386631d2a9d [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5644723812f5 - std::panicking::begin_panic::ha0677fe04feb41f7 [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x564472375938 - gcc::fail::h7a7711d85180d4f6 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:840 [INFO] [stderr] 9: 0x5644723757be - gcc::run::h16b8afead94a87eb [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:834 [INFO] [stderr] 10: 0x56447236da68 - gcc::Config::compile_object::h147333abd40b594c [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:375 [INFO] [stderr] 11: 0x56447236ca98 - gcc::Config::compile::hbddd261b02fda05b [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:330 [INFO] [stderr] 12: 0x56447236bdbb - build_script_build::main::hfc67ebcdfa07f0a6 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-0.7.13/build.rs:15 [INFO] [stderr] 13: 0x56447236b370 - std::rt::lang_start::{{closure}}::h96e7718493ea2cee [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x5644723b0363 - std::rt::lang_start_internal::{{closure}}::hbf4603a1e6e1424d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x5644723b0363 - std::panicking::try::do_call::h7642e0de797eeae0 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x5644723b7d0a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x5644723b0e1d - std::panicking::try::h17f145530f8b5a3f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x5644723b0e1d - std::panic::catch_unwind::hcee1b9b07ea0f9dc [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x5644723b0e1d - std::rt::lang_start_internal::h82d44298f58b2cfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x56447236b349 - std::rt::lang_start::ha70e3f4581fb5ad6 [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x56447236bf8a - main [INFO] [stderr] 22: 0x7f97aa4352e1 - __libc_start_main [INFO] [stderr] 23: 0x56447236b14a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: failed to run custom build command for `openssl-sys-extras v0.7.13` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/openssl-sys-extras-8f689423ca10b4cc/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] OPT_LEVEL = Some("0") [INFO] [stderr] PROFILE = Some("debug") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] debug=true opt-level=0 [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CC_x86_64-unknown-linux-gnu = None [INFO] [stderr] CC_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CC = None [INFO] [stderr] CC = None [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CFLAGS = None [INFO] [stderr] CFLAGS = None [INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-m64" "-fPIC" "-o" "/opt/crater/target/debug/build/openssl-sys-extras-6a27e9e03207e73e/out/src/openssl_shim.o" "-c" "src/openssl_shim.c" [INFO] [stderr] ExitStatus(ExitStatus(256)) [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] command did not execute successfully, got: exit code: 1 [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] src/openssl_shim.c: In function 'DH_new_from_params': [INFO] [stderr] src/openssl_shim.c:128:7: error: dereferencing pointer to incomplete type 'DH {aka struct dh_st}' [INFO] [stderr] dh->p = p; [INFO] [stderr] ^~ [INFO] [stderr] src/openssl_shim.c: In function 'X509_get_extensions_shim': [INFO] [stderr] src/openssl_shim.c:139:13: error: dereferencing pointer to incomplete type 'X509 {aka struct x509_st}' [INFO] [stderr] return x->cert_info ? x->cert_info->extensions : NULL; [INFO] [stderr] ^~ [INFO] [stderr] thread 'main' panicked at 'explicit panic', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:840:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5630a7575b0b - backtrace::backtrace::libunwind::trace::h5d27dcba3b250cfe [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5630a7575b0b - backtrace::backtrace::trace_unsynchronized::h239341a8b1cadbab [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5630a7575b0b - std::sys_common::backtrace::_print::hb0e5dd39180a1838 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5630a7575b0b - std::sys_common::backtrace::print::h9b385b2285f057b8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5630a7575b0b - std::panicking::default_hook::{{closure}}::he3310a15a78966b4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5630a75757e6 - std::panicking::default_hook::h2986f418df62eff4 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5630a75761cd - std::panicking::rust_panic_with_hook::h15065386631d2a9d [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5630a75469e5 - std::panicking::begin_panic::ha0677fe04feb41f7 [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x5630a753b028 - gcc::fail::h7a7711d85180d4f6 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:840 [INFO] [stderr] 9: 0x5630a753aeae - gcc::run::h16b8afead94a87eb [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:834 [INFO] [stderr] 10: 0x5630a7533158 - gcc::Config::compile_object::h147333abd40b594c [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:375 [INFO] [stderr] 11: 0x5630a7532188 - gcc::Config::compile::hbddd261b02fda05b [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:330 [INFO] [stderr] 12: 0x5630a752de8b - build_script_build::main::h4cd802498a5de647 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-extras-0.7.13/build.rs:19 [INFO] [stderr] 13: 0x5630a7530420 - std::rt::lang_start::{{closure}}::h492139b871f83029 [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x5630a7575c23 - std::rt::lang_start_internal::{{closure}}::hbf4603a1e6e1424d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x5630a7575c23 - std::panicking::try::do_call::h7642e0de797eeae0 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x5630a757d64a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x5630a75766dd - std::panicking::try::h17f145530f8b5a3f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x5630a75766dd - std::panic::catch_unwind::hcee1b9b07ea0f9dc [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x5630a75766dd - std::rt::lang_start_internal::h82d44298f58b2cfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x5630a75303f9 - std::rt::lang_start::h0e5c833b6a3ceb88 [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x5630a752f12a - main [INFO] [stderr] 22: 0x7ff859dd82e1 - __libc_start_main [INFO] [stderr] 23: 0x5630a752da8a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.1.1/src/form_urlencoded.rs:246:40 [INFO] [stderr] | [INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 245 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 246 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "27d715dc9abe09e0ce3d9ab4d3d347f9619761416f98c201b16b443339d210fd"` [INFO] running `"docker" "rm" "-f" "27d715dc9abe09e0ce3d9ab4d3d347f9619761416f98c201b16b443339d210fd"` [INFO] [stdout] 27d715dc9abe09e0ce3d9ab4d3d347f9619761416f98c201b16b443339d210fd