[INFO] updating cached repository nocduro/rustref [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nocduro/rustref [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nocduro/rustref" "work/ex/beta-1.37-6/sources/1.36.0/gh/nocduro/rustref"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nocduro/rustref'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nocduro/rustref" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nocduro/rustref"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nocduro/rustref'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d52e30d6716d8b06fbf7e4c9f0551816b00f81d0 [INFO] sha for GitHub repo nocduro/rustref: d52e30d6716d8b06fbf7e4c9f0551816b00f81d0 [INFO] validating manifest of nocduro/rustref 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 nocduro/rustref 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 nocduro/rustref [INFO] finished frobbing nocduro/rustref [INFO] frobbed toml for nocduro/rustref written to work/ex/beta-1.37-6/sources/1.36.0/gh/nocduro/rustref/Cargo.toml [INFO] started frobbing nocduro/rustref [INFO] finished frobbing nocduro/rustref [INFO] frobbed toml for nocduro/rustref written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nocduro/rustref/Cargo.toml [INFO] crate nocduro/rustref 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 nocduro/rustref against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nocduro/rustref:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 6b1606564611a2a5407e0acf1698b8811b93114c266a06c17d7830bbecd61b73 [INFO] running `"docker" "start" "-a" "6b1606564611a2a5407e0acf1698b8811b93114c266a06c17d7830bbecd61b73"` [INFO] [stderr] Compiling unicode-normalization v0.1.6 [INFO] [stderr] Compiling serde v1.0.45 [INFO] [stderr] Compiling constant_time_eq v0.1.3 [INFO] [stderr] Compiling smallvec v0.6.1 [INFO] [stderr] Compiling encoding_rs v0.7.2 [INFO] [stderr] Compiling openssl-sys v0.9.30 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling syntex_fmt_macros v0.5.0 [INFO] [stderr] Compiling rocket v0.3.10 [INFO] [stderr] Compiling rocket_codegen v0.3.10 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling slug v0.1.3 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling bytes v0.4.7 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling pear_codegen v0.0.16 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.0.16` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/pear_codegen-066590fa1c03ee5d/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.37.0-beta.6 (2019-07-22). Minimum required: 1.27.0-nightly (2018-04-14). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.16/build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556c07b5bbdb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x556c07b5bbdb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x556c07b5bbdb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x556c07b5bbdb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x556c07b5bbdb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x556c07b5b8b7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x556c07b5c2a0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x556c07b31044 - std::panicking::begin_panic::hce474d621d6c4e1e [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x556c07b2f14b - build_script_build::main::h05b6d2ebbfe11bdf [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.16/build.rs:31 [INFO] [stderr] 9: 0x556c07b30450 - std::rt::lang_start::{{closure}}::h6dc8ef1e0ddf1c3a [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x556c07b5bcf3 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x556c07b5bcf3 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x556c07b61faa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x556c07b5c7ad - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x556c07b5c7ad - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x556c07b5c7ad - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x556c07b30429 - std::rt::lang_start::ha31098972764c8e6 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x556c07b2ff0a - main [INFO] [stderr] 18: 0x7fb25e7c72e1 - __libc_start_main [INFO] [stderr] 19: 0x556c07b2ea8a - _start [INFO] [stderr] 20: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "6b1606564611a2a5407e0acf1698b8811b93114c266a06c17d7830bbecd61b73"` [INFO] running `"docker" "rm" "-f" "6b1606564611a2a5407e0acf1698b8811b93114c266a06c17d7830bbecd61b73"` [INFO] [stdout] 6b1606564611a2a5407e0acf1698b8811b93114c266a06c17d7830bbecd61b73