[INFO] updating cached repository Ropeney/lightweight-web-monitor [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Ropeney/lightweight-web-monitor [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Ropeney/lightweight-web-monitor" "work/ex/beta-1.38-1/sources/1.37.0/gh/Ropeney/lightweight-web-monitor"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Ropeney/lightweight-web-monitor'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Ropeney/lightweight-web-monitor" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ropeney/lightweight-web-monitor"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ropeney/lightweight-web-monitor'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d28fae332472f3d3789f82b62e618d8a101d4e45 [INFO] sha for GitHub repo Ropeney/lightweight-web-monitor: d28fae332472f3d3789f82b62e618d8a101d4e45 [INFO] validating manifest of Ropeney/lightweight-web-monitor 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 Ropeney/lightweight-web-monitor 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 Ropeney/lightweight-web-monitor [INFO] finished frobbing Ropeney/lightweight-web-monitor [INFO] frobbed toml for Ropeney/lightweight-web-monitor written to work/ex/beta-1.38-1/sources/1.37.0/gh/Ropeney/lightweight-web-monitor/Cargo.toml [INFO] started frobbing Ropeney/lightweight-web-monitor [INFO] finished frobbing Ropeney/lightweight-web-monitor [INFO] frobbed toml for Ropeney/lightweight-web-monitor written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Ropeney/lightweight-web-monitor/Cargo.toml [INFO] crate Ropeney/lightweight-web-monitor already has a lockfile, it will not be regenerated [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 Ropeney/lightweight-web-monitor 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Ropeney/lightweight-web-monitor:/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] baaa3e6c1d3944447712ce4896d1aeb0615f26163c4090f8c4f0a0e4aac4452f [INFO] running `"docker" "start" "-a" "baaa3e6c1d3944447712ce4896d1aeb0615f26163c4090f8c4f0a0e4aac4452f"` [INFO] [stderr] Compiling rustc-serialize v0.3.19 [INFO] [stderr] Compiling num_cpus v0.2.13 [INFO] [stderr] Compiling openssl-sys-extras v0.7.14 [INFO] [stderr] Compiling openssl-sys v0.7.17 [INFO] [stderr] Compiling openssl v0.7.14 [INFO] [stderr] Compiling url v1.2.1 [INFO] [stderr] Compiling time v0.1.35 [INFO] [stderr] error: failed to run custom build command for `openssl-sys-extras v0.7.14` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/openssl-sys-extras-07d9f435d9540c45/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-bb23bb9036d09e7b/out/src/openssl_shim.o" "-c" "src/openssl_shim.c" [INFO] [stderr] cargo:warning=src/openssl_shim.c: In function 'DH_new_from_params': [INFO] [stderr] cargo:warning=src/openssl_shim.c:132:7: error: dereferencing pointer to incomplete type 'DH {aka struct dh_st}' [INFO] [stderr] cargo:warning= dh->p = p; [INFO] [stderr] cargo:warning= ^~ [INFO] [stderr] cargo:warning=src/openssl_shim.c: In function 'X509_get_extensions_shim': [INFO] [stderr] cargo:warning=src/openssl_shim.c:143:13: error: dereferencing pointer to incomplete type 'X509 {aka struct x509_st}' [INFO] [stderr] cargo:warning= return x->cert_info ? x->cert_info->extensions : NULL; [INFO] [stderr] cargo:warning= ^~ [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] thread 'main' panicked at 'explicit panic', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:897:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5606d7a7e6ab - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5606d7a7e6ab - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5606d7a7e6ab - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5606d7a7e6ab - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5606d7a7e6ab - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5606d7a7e387 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5606d7a7ed70 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5606d7a62168 - std::panicking::begin_panic::he0b3494e3bd469be [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x5606d7a3d0c8 - gcc::fail::h930948602b32bc75 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:897 [INFO] [stderr] 9: 0x5606d7a3cd33 - gcc::run::h6f1dbc920ed38f24 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:891 [INFO] [stderr] 10: 0x5606d7a3470d - gcc::Config::compile_object::hd7b33bae67315222 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:409 [INFO] [stderr] 11: 0x5606d7a33fca - gcc::Config::compile_objects::h8418333573619308 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:379 [INFO] [stderr] 12: 0x5606d7a335a4 - gcc::Config::compile::hfcac91dedae6e25d [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:344 [INFO] [stderr] 13: 0x5606d7a2f187 - build_script_build::main::ha5557365c94d92c3 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-extras-0.7.14/build.rs:19 [INFO] [stderr] 14: 0x5606d7a30ab0 - std::rt::lang_start::{{closure}}::he2965404023f0bb6 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x5606d7a7e7c3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 16: 0x5606d7a7e7c3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 17: 0x5606d7a8612a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 18: 0x5606d7a7f27d - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 19: 0x5606d7a7f27d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x5606d7a7f27d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 21: 0x5606d7a30a89 - std::rt::lang_start::hf1c168d5a193a496 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 22: 0x5606d7a304aa - main [INFO] [stderr] 23: 0x7ff5da3ed2e1 - __libc_start_main [INFO] [stderr] 24: 0x5606d7a2ed6a - _start [INFO] [stderr] 25: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0642]: patterns aren't allowed in methods without bodies [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45 [INFO] [stderr] | [INFO] [stderr] 147 | &f_name: &str, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `openssl v0.7.14` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/openssl-5a5e6613840d9806/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-f5dba0d3c972a3db/out/src/c_helpers.o" "-c" "src/c_helpers.c" [INFO] [stderr] cargo:warning=src/c_helpers.c: In function 'rust_SSL_clone': [INFO] [stderr] cargo:warning=src/c_helpers.c:4:5: warning: implicit declaration of function 'CRYPTO_add' [-Wimplicit-function-declaration] [INFO] [stderr] cargo:warning= CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL); [INFO] [stderr] cargo:warning= ^~~~~~~~~~ [INFO] [stderr] cargo:warning=src/c_helpers.c:4:20: error: dereferencing pointer to incomplete type 'SSL {aka struct ssl_st}' [INFO] [stderr] cargo:warning= CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL); [INFO] [stderr] cargo:warning= ^~ [INFO] [stderr] cargo:warning=src/c_helpers.c:4:37: error: 'CRYPTO_LOCK_SSL' undeclared (first use in this function) [INFO] [stderr] cargo:warning= CRYPTO_add(&ssl->references, 1, CRYPTO_LOCK_SSL); [INFO] [stderr] cargo:warning= ^~~~~~~~~~~~~~~ [INFO] [stderr] cargo:warning=src/c_helpers.c:4:37: note: each undeclared identifier is reported only once for each function it appears in [INFO] [stderr] cargo:warning=src/c_helpers.c: In function 'rust_SSL_CTX_clone': [INFO] [stderr] cargo:warning=src/c_helpers.c:8:20: error: dereferencing pointer to incomplete type 'SSL_CTX {aka struct ssl_ctx_st}' [INFO] [stderr] cargo:warning= CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); [INFO] [stderr] cargo:warning= ^~ [INFO] [stderr] cargo:warning=src/c_helpers.c:8:35: error: 'CRYPTO_LOCK_SSL_CTX' undeclared (first use in this function) [INFO] [stderr] cargo:warning= CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX); [INFO] [stderr] cargo:warning= ^~~~~~~~~~~~~~~~~~~ [INFO] [stderr] cargo:warning=src/c_helpers.c: In function 'rust_X509_clone': [INFO] [stderr] cargo:warning=src/c_helpers.c:12:21: error: dereferencing pointer to incomplete type 'X509 {aka struct x509_st}' [INFO] [stderr] cargo:warning= CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); [INFO] [stderr] cargo:warning= ^~ [INFO] [stderr] cargo:warning=src/c_helpers.c:12:36: error: 'CRYPTO_LOCK_X509' undeclared (first use in this function) [INFO] [stderr] cargo:warning= CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); [INFO] [stderr] cargo:warning= ^~~~~~~~~~~~~~~~ [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] thread 'main' panicked at 'explicit panic', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:897:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a5506c73bb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55a5506c73bb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a5506c73bb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55a5506c73bb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55a5506c73bb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55a5506c7097 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55a5506c7a80 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55a5506aaf38 - std::panicking::begin_panic::he0b3494e3bd469be [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x55a550685e98 - gcc::fail::h930948602b32bc75 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:897 [INFO] [stderr] 9: 0x55a550685b03 - gcc::run::h6f1dbc920ed38f24 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:891 [INFO] [stderr] 10: 0x55a55067d4dd - gcc::Config::compile_object::hd7b33bae67315222 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:409 [INFO] [stderr] 11: 0x55a55067cd9a - gcc::Config::compile_objects::h8418333573619308 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:379 [INFO] [stderr] 12: 0x55a55067c374 - gcc::Config::compile::hfcac91dedae6e25d [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.35/src/lib.rs:344 [INFO] [stderr] 13: 0x55a55067b116 - build_script_build::main::h6cd97717eadf151b [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-0.7.14/build.rs:15 [INFO] [stderr] 14: 0x55a55067b510 - std::rt::lang_start::{{closure}}::h38a5ac59b89a52c9 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x55a5506c74d3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 16: 0x55a5506c74d3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 17: 0x55a5506cedba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 18: 0x55a5506c7f8d - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 19: 0x55a5506c7f8d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55a5506c7f8d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 21: 0x55a55067b4e9 - std::rt::lang_start::hc95521e74f3858d3 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 22: 0x55a55067b2ea - main [INFO] [stderr] 23: 0x7fc581eb82e1 - __libc_start_main [INFO] [stderr] 24: 0x55a55067a69a - _start [INFO] [stderr] 25: 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-1.2.1/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: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0642`. [INFO] [stderr] error: Could not compile `rustc-serialize`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "baaa3e6c1d3944447712ce4896d1aeb0615f26163c4090f8c4f0a0e4aac4452f"` [INFO] running `"docker" "rm" "-f" "baaa3e6c1d3944447712ce4896d1aeb0615f26163c4090f8c4f0a0e4aac4452f"` [INFO] [stdout] baaa3e6c1d3944447712ce4896d1aeb0615f26163c4090f8c4f0a0e4aac4452f