[INFO] updating cached repository JellyWX/md-html
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JellyWX/md-html
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JellyWX/md-html" "work/ex/beta-1.37-6/sources/1.36.0/gh/JellyWX/md-html"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/JellyWX/md-html'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JellyWX/md-html" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JellyWX/md-html"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JellyWX/md-html'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3218ad34307a364968c477d0d2cafe0cdcd82efd
[INFO] sha for GitHub repo JellyWX/md-html: 3218ad34307a364968c477d0d2cafe0cdcd82efd
[INFO] validating manifest of JellyWX/md-html on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JellyWX/md-html on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JellyWX/md-html
[INFO] finished frobbing JellyWX/md-html
[INFO] frobbed toml for JellyWX/md-html written to work/ex/beta-1.37-6/sources/1.36.0/gh/JellyWX/md-html/Cargo.toml
[INFO] started frobbing JellyWX/md-html
[INFO] finished frobbing JellyWX/md-html
[INFO] frobbed toml for JellyWX/md-html written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JellyWX/md-html/Cargo.toml
[INFO] crate JellyWX/md-html already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing JellyWX/md-html against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/JellyWX/md-html:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c0dfb4479887ffba3909465c1f1681b51ee30b29f71e1b8e0d849ff5b2441b73
[INFO] running `"docker" "start" "-a" "c0dfb4479887ffba3909465c1f1681b51ee30b29f71e1b8e0d849ff5b2441b73"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling mashup-impl v0.1.9
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling mashup v0.1.9
[INFO] [stderr]    Compiling pyo3 v0.6.0-alpha.4
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.6.0-alpha.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/pyo3-261d512139cb4df2/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: pyo3 requires a nightly or dev version of Rust.
[INFO] [stderr] Installed version is: 1.36.0 (2019-07-03). Minimum required: 1.34.0-nightly (2019-02-06).
[INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.6.0-alpha.4/build.rs:527:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5589487bc373 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5589487b7e7b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5589487bb116 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5589487baea9 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5589487bb7bf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x558948721167 - std::panicking::begin_panic::h4dcb677ed2bd2698
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408
[INFO] [stderr]    6:     0x5589485a75f2 - build_script_build::check_rustc_version::h479d08fa4f780d39
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.6.0-alpha.4/build.rs:527
[INFO] [stderr]    7:     0x5589485a7d83 - build_script_build::main::hcefe9d56dd3365a5
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.6.0-alpha.4/build.rs:551
[INFO] [stderr]    8:     0x5589485af20f - std::rt::lang_start::{{closure}}::h891aba2eb736f5e0
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]    9:     0x5589487bb1c2 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   10:     0x5589487c1ff9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   11:     0x5589487bbccc - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   12:     0x5589485af1e8 - std::rt::lang_start::h4b22db378ac4ed29
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x5589485a90c9 - main
[INFO] [stderr]   14:     0x7fca657172e0 - __libc_start_main
[INFO] [stderr]   15:     0x55894859f459 - _start
[INFO] [stderr]   16:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c0dfb4479887ffba3909465c1f1681b51ee30b29f71e1b8e0d849ff5b2441b73"`
[INFO] running `"docker" "rm" "-f" "c0dfb4479887ffba3909465c1f1681b51ee30b29f71e1b8e0d849ff5b2441b73"`
[INFO] [stdout] c0dfb4479887ffba3909465c1f1681b51ee30b29f71e1b8e0d849ff5b2441b73