[INFO] updating cached repository barrettclark/language-comparison-client-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/barrettclark/language-comparison-client-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/barrettclark/language-comparison-client-rust" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/barrettclark/language-comparison-client-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/barrettclark/language-comparison-client-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/barrettclark/language-comparison-client-rust" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/barrettclark/language-comparison-client-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/barrettclark/language-comparison-client-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3ddf6dde86b3da8de00a5ef8542106881127a4f
[INFO] sha for GitHub repo barrettclark/language-comparison-client-rust: f3ddf6dde86b3da8de00a5ef8542106881127a4f
[INFO] validating manifest of barrettclark/language-comparison-client-rust on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of barrettclark/language-comparison-client-rust on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing barrettclark/language-comparison-client-rust
[INFO] finished frobbing barrettclark/language-comparison-client-rust
[INFO] frobbed toml for barrettclark/language-comparison-client-rust written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/barrettclark/language-comparison-client-rust/Cargo.toml
[INFO] started frobbing barrettclark/language-comparison-client-rust
[INFO] finished frobbing barrettclark/language-comparison-client-rust
[INFO] frobbed toml for barrettclark/language-comparison-client-rust written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/barrettclark/language-comparison-client-rust/Cargo.toml
[INFO] crate barrettclark/language-comparison-client-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/barrettclark/language-comparison-client-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking barrettclark/language-comparison-client-rust against master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-6/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/barrettclark/language-comparison-client-rust:/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 32e11fa2d7b31340ebd9821f933e13a4926a49af74cfcbd912b0e4e27e34a3ab
[INFO] running `"docker" "start" "-a" "32e11fa2d7b31340ebd9821f933e13a4926a49af74cfcbd912b0e4e27e34a3ab"`
[INFO] [stderr]    Compiling openssl-sys v0.6.7
[INFO] [stderr] error: failed to run custom build command for `openssl-sys v0.6.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/openssl-sys-f213d16ae420c97b/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rustc-link-search=native=/usr/lib/x86_64-linux-gnu
[INFO] [stderr] cargo:rustc-link-lib=ssl
[INFO] [stderr] cargo:rustc-link-lib=crypto
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[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] DEBUG = Some("true")
[INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/openssl-sys-7fb5ee375c58b806/out/src/openssl_shim.o" "-c" "src/openssl_shim.c"
[INFO] [stderr] cargo:warning=src/openssl_shim.c: In function 'SSL_CTX_set_ecdh_auto_shim':
[INFO] [stderr] cargo:warning=src/openssl_shim.c:115:41: warning: unused parameter 'ctx' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= int SSL_CTX_set_ecdh_auto_shim(SSL_CTX *ctx, int onoff) {
[INFO] [stderr] cargo:warning=                                         ^~~
[INFO] [stderr] cargo:warning=src/openssl_shim.c: In function 'DH_new_from_params':
[INFO] [stderr] cargo:warning=src/openssl_shim.c:126:7: 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:137:13: 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] cargo:warning=src/openssl_shim.c:138:1: warning: control reaches end of non-void function [-Wreturn-type]
[INFO] [stderr] cargo:warning= }
[INFO] [stderr] cargo:warning= ^
[INFO] [stderr] exit code: 1
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr] Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/openssl-sys-7fb5ee375c58b806/out/src/openssl_shim.o" "-c" "src/openssl_shim.c" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55adb04cbabb - backtrace::backtrace::libunwind::trace::h71e4540e71944056
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55adb04cbabb - backtrace::backtrace::trace_unsynchronized::hffa2876a8790e01b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55adb04cbabb - std::sys_common::backtrace::_print::h371b924ab74cc773
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55adb04cbabb - std::sys_common::backtrace::print::hf78899287e85cf2b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55adb04cbabb - std::panicking::default_hook::{{closure}}::h05c8d3553d86c2ee
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55adb04cb7bc - std::panicking::default_hook::h7c20415196a07833
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55adb04cc1e0 - std::panicking::rust_panic_with_hook::h6ba877a55cae0bf5
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55adb04cbd62 - std::panicking::continue_panic_fmt::h56f73b67c1dd17cd
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55adb04cbcaf - std::panicking::begin_panic_fmt::h6d4de460aad84205
[INFO] [stderr]                                at src/libstd/panicking.rs:337
[INFO] [stderr]    9:     0x55adb04412e6 - gcc::fail::h06ecc49b085be376
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672
[INFO] [stderr]   10:     0x55adb0430b8f - gcc::Build::compile::h9becafde2fc87a5c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785
[INFO] [stderr]   11:     0x55adb0426cdf - build_script_build::build_openssl_shim::h2da5295a9c6f656b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.6.7/build.rs:135
[INFO] [stderr]   12:     0x55adb0424887 - build_script_build::main::h7036efe1929087b8
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.6.7/build.rs:23
[INFO] [stderr]   13:     0x55adb0428bf0 - std::rt::lang_start::{{closure}}::he9b75191503d41a1
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55adb04cbc33 - std::rt::lang_start_internal::{{closure}}::h09082dcbd0a154ff
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55adb04cbc33 - std::panicking::try::do_call::h1a2983cc32cc1de1
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   16:     0x55adb04d451a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x55adb04cc6ed - std::panicking::try::hb2142adcc3ab321d
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   18:     0x55adb04cc6ed - std::panic::catch_unwind::h01a1f6df3a4217f6
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x55adb04cc6ed - std::rt::lang_start_internal::ha9e35ae2968d2203
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55adb0428bc9 - std::rt::lang_start::h62987d19f0ec903f
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55adb042722a - main
[INFO] [stderr]   22:     0x7f3824ddb2e1 - __libc_start_main
[INFO] [stderr]   23:     0x55adb04244ba - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "32e11fa2d7b31340ebd9821f933e13a4926a49af74cfcbd912b0e4e27e34a3ab"`
[INFO] running `"docker" "rm" "-f" "32e11fa2d7b31340ebd9821f933e13a4926a49af74cfcbd912b0e4e27e34a3ab"`
[INFO] [stdout] 32e11fa2d7b31340ebd9821f933e13a4926a49af74cfcbd912b0e4e27e34a3ab