[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-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/robjperez/ot-constant-generator"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/robjperez/ot-constant-generator'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/robjperez/ot-constant-generator" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/robjperez/ot-constant-generator"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of robjperez/ot-constant-generator on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-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-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking robjperez/ot-constant-generator against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 7a0feb14c05fdaaaedd7968f83da75ffe0f61d156522535ff29864b3a13427fb [INFO] running `"docker" "start" "-a" "7a0feb14c05fdaaaedd7968f83da75ffe0f61d156522535ff29864b3a13427fb"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling gcc v0.3.28 [INFO] [stderr] Compiling openssl-sys v0.7.13 [INFO] [stderr] Checking mime v0.2.0 [INFO] [stderr] Checking num_cpus v0.2.12 [INFO] [stderr] Checking idna v0.1.0 [INFO] [stderr] Checking uuid v0.2.2 [INFO] [stderr] Compiling openssl-sys-extras v0.7.13 [INFO] [stderr] Compiling openssl v0.7.13 [INFO] [stderr] Checking url v1.1.1 [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-cfd4c45ea40ca0dc/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-6cb2217ae4241d00/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: 0x55ecd2ced76b - backtrace::backtrace::libunwind::trace::h65f453dfe0027df1 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ecd2ced76b - backtrace::backtrace::trace_unsynchronized::hcf757005c6accfed [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ecd2ced76b - std::sys_common::backtrace::_print::h3230a9d2592a2eba [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55ecd2ced76b - std::sys_common::backtrace::print::h19f579688627ee7e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55ecd2ced76b - std::panicking::default_hook::{{closure}}::h472b43365b331815 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55ecd2ced447 - std::panicking::default_hook::h0857821e5ff5a369 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55ecd2cede30 - std::panicking::rust_panic_with_hook::ha9d31dc2aa8d852d [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55ecd2cbbd48 - std::panicking::begin_panic::h75a08203799726a6 [INFO] [stderr] at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/panicking.rs:409 [INFO] [stderr] 8: 0x55ecd2cb2ed8 - gcc::fail::h2a9ebc1218578d37 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:840 [INFO] [stderr] 9: 0x55ecd2cb2d4f - gcc::run::h9cf43cce8646f4dc [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:834 [INFO] [stderr] 10: 0x55ecd2caad25 - gcc::Config::compile_object::hc3fb85ee3ce0cffc [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:375 [INFO] [stderr] 11: 0x55ecd2ca9ce4 - gcc::Config::compile::he70175b4c43dadd0 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:330 [INFO] [stderr] 12: 0x55ecd2ca5a77 - build_script_build::main::h361caf631be96336 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-extras-0.7.13/build.rs:19 [INFO] [stderr] 13: 0x55ecd2ca72e0 - std::rt::lang_start::{{closure}}::h786a066b6bbc5d4b [INFO] [stderr] at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55ecd2ced883 - std::rt::lang_start_internal::{{closure}}::h358a76ea39d8997f [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55ecd2ced883 - std::panicking::try::do_call::h1fdcc0a978075552 [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 16: 0x55ecd2cf533a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x55ecd2cee33d - std::panicking::try::hd48ddd0547e22f90 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 18: 0x55ecd2cee33d - std::panic::catch_unwind::heb66ca2bf3960f9b [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x55ecd2cee33d - std::rt::lang_start_internal::h7208f2146229fed7 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55ecd2ca72b9 - std::rt::lang_start::h5db0aa8104319529 [INFO] [stderr] at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55ecd2ca6d9a - main [INFO] [stderr] 22: 0x7fe0ce0422e1 - __libc_start_main [INFO] [stderr] 23: 0x55ecd2ca565a - _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 v0.7.13` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/openssl-09a5e28de63a4e00/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-95350f0a2fba8a79/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: 0x558d7dbe409b - backtrace::backtrace::libunwind::trace::h65f453dfe0027df1 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x558d7dbe409b - backtrace::backtrace::trace_unsynchronized::hcf757005c6accfed [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558d7dbe409b - std::sys_common::backtrace::_print::h3230a9d2592a2eba [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x558d7dbe409b - std::sys_common::backtrace::print::h19f579688627ee7e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x558d7dbe409b - std::panicking::default_hook::{{closure}}::h472b43365b331815 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x558d7dbe3d77 - std::panicking::default_hook::h0857821e5ff5a369 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x558d7dbe4760 - std::panicking::rust_panic_with_hook::ha9d31dc2aa8d852d [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x558d7dbb2848 - std::panicking::begin_panic::h75a08203799726a6 [INFO] [stderr] at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/panicking.rs:409 [INFO] [stderr] 8: 0x558d7dba99d8 - gcc::fail::h2a9ebc1218578d37 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:840 [INFO] [stderr] 9: 0x558d7dba984f - gcc::run::h9cf43cce8646f4dc [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:834 [INFO] [stderr] 10: 0x558d7dba1825 - gcc::Config::compile_object::hc3fb85ee3ce0cffc [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:375 [INFO] [stderr] 11: 0x558d7dba07e4 - gcc::Config::compile::he70175b4c43dadd0 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.28/src/lib.rs:330 [INFO] [stderr] 12: 0x558d7db9f9f6 - build_script_build::main::h84f8627c24e06283 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-0.7.13/build.rs:15 [INFO] [stderr] 13: 0x558d7db9f020 - std::rt::lang_start::{{closure}}::h7edf2e65dfc46fbb [INFO] [stderr] at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x558d7dbe41b3 - std::rt::lang_start_internal::{{closure}}::h358a76ea39d8997f [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x558d7dbe41b3 - std::panicking::try::do_call::h1fdcc0a978075552 [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 16: 0x558d7dbebbea - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x558d7dbe4c6d - std::panicking::try::hd48ddd0547e22f90 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 18: 0x558d7dbe4c6d - std::panic::catch_unwind::heb66ca2bf3960f9b [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x558d7dbe4c6d - std::rt::lang_start_internal::h7208f2146229fed7 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x558d7db9eff9 - std::rt::lang_start::hd1dc32e7885e224a [INFO] [stderr] at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x558d7db9fbca - main [INFO] [stderr] 22: 0x7fea730652e1 - __libc_start_main [INFO] [stderr] 23: 0x558d7db9ee1a - _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" "7a0feb14c05fdaaaedd7968f83da75ffe0f61d156522535ff29864b3a13427fb"` [INFO] running `"docker" "rm" "-f" "7a0feb14c05fdaaaedd7968f83da75ffe0f61d156522535ff29864b3a13427fb"` [INFO] [stdout] 7a0feb14c05fdaaaedd7968f83da75ffe0f61d156522535ff29864b3a13427fb