[INFO] updating cached repository tegansnyder/Rust-Crawler-Example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tegansnyder/Rust-Crawler-Example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tegansnyder/Rust-Crawler-Example" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tegansnyder/Rust-Crawler-Example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tegansnyder/Rust-Crawler-Example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tegansnyder/Rust-Crawler-Example" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tegansnyder/Rust-Crawler-Example"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tegansnyder/Rust-Crawler-Example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4cd6d2c59f1958a0cc9a29c63cdeefad295a965
[INFO] sha for GitHub repo tegansnyder/Rust-Crawler-Example: f4cd6d2c59f1958a0cc9a29c63cdeefad295a965
[INFO] validating manifest of tegansnyder/Rust-Crawler-Example on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tegansnyder/Rust-Crawler-Example on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tegansnyder/Rust-Crawler-Example
[INFO] finished frobbing tegansnyder/Rust-Crawler-Example
[INFO] frobbed toml for tegansnyder/Rust-Crawler-Example written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tegansnyder/Rust-Crawler-Example/Cargo.toml
[INFO] started frobbing tegansnyder/Rust-Crawler-Example
[INFO] finished frobbing tegansnyder/Rust-Crawler-Example
[INFO] frobbed toml for tegansnyder/Rust-Crawler-Example written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tegansnyder/Rust-Crawler-Example/Cargo.toml
[INFO] crate tegansnyder/Rust-Crawler-Example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tegansnyder/Rust-Crawler-Example/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tegansnyder/Rust-Crawler-Example against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tegansnyder/Rust-Crawler-Example:/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1d3456d81468a54dca4aa17cfa8b3d80c76a6d4abd84bb3bafa9d77cd41ca92b
[INFO] running `"docker" "start" "-a" "1d3456d81468a54dca4aa17cfa8b3d80c76a6d4abd84bb3bafa9d77cd41ca92b"`
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking rc v0.1.1
[INFO] [stderr]     Checking language-tags v0.0.7
[INFO] [stderr]     Checking xhtmlchardet v1.0.1
[INFO] [stderr]    Compiling openssl-sys v0.6.7
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tendril v0.1.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling html5ever v0.2.11
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking mime v0.1.3
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking url v2.1.0
[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-e14db2091f884712/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-195caae62d5b1725/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-195caae62d5b1725/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:     0x55a4c5b81a8b - backtrace::backtrace::libunwind::trace::h88d9499c2d7e1dbc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55a4c5b81a8b - backtrace::backtrace::trace_unsynchronized::h64df3798ffaf338f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a4c5b81a8b - std::sys_common::backtrace::_print::h549f3692f8d3f393
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55a4c5b81a8b - std::sys_common::backtrace::print::h037f1d7e6e0e94de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55a4c5b81a8b - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55a4c5b81766 - std::panicking::default_hook::hdb7c9c6632585072
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55a4c5b821ad - std::panicking::rust_panic_with_hook::h906f2b0ace338868
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55a4c5b81d32 - std::panicking::continue_panic_fmt::h3597c4d7a66a7e7b
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55a4c5b81c7f - std::panicking::begin_panic_fmt::hbfeb66fdd1fe6f8b
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x55a4c5af5db6 - gcc::fail::h8979a09e7ffffff4
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672
[INFO] [stderr]   10:     0x55a4c5ae5e81 - gcc::Build::compile::h48a821bbf5cdc036
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785
[INFO] [stderr]   11:     0x55a4c5adc2d3 - build_script_build::build_openssl_shim::h7626d81bb9d85b90
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.6.7/build.rs:135
[INFO] [stderr]   12:     0x55a4c5ad9ff5 - build_script_build::main::h7c64b92d06e60948
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.6.7/build.rs:23
[INFO] [stderr]   13:     0x55a4c5ae0a70 - std::rt::lang_start::{{closure}}::ha3d4c169e8fd69fd
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55a4c5b81c03 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55a4c5b81c03 - std::panicking::try::do_call::hfbd18154d6e81e0d
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x55a4c5b89fba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x55a4c5b826bd - std::panicking::try::h9cb4b237371abf81
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x55a4c5b826bd - std::panic::catch_unwind::hd403853a39b4e3c9
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x55a4c5b826bd - std::rt::lang_start_internal::h7e5e162b169a1510
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55a4c5ae0a49 - std::rt::lang_start::h70e968611275758e
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55a4c5adc7ca - main
[INFO] [stderr]   22:     0x7f34cb1442e1 - __libc_start_main
[INFO] [stderr]   23:     0x55a4c5ad9c1a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1d3456d81468a54dca4aa17cfa8b3d80c76a6d4abd84bb3bafa9d77cd41ca92b"`
[INFO] running `"docker" "rm" "-f" "1d3456d81468a54dca4aa17cfa8b3d80c76a6d4abd84bb3bafa9d77cd41ca92b"`
[INFO] [stdout] 1d3456d81468a54dca4aa17cfa8b3d80c76a6d4abd84bb3bafa9d77cd41ca92b