[INFO] cloning repository redcarpetoaxaca/silver-octo-winner [INFO] running `"git" "clone" "--bare" "git://github.com/redcarpetoaxaca/silver-octo-winner.git" "work/cache/sources/gh/redcarpetoaxaca/silver-octo-winner"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/redcarpetoaxaca/silver-octo-winner'... [INFO] running `"git" "clone" "work/cache/sources/gh/redcarpetoaxaca/silver-octo-winner" "work/ex/beta-1.37-6/sources/1.36.0/gh/redcarpetoaxaca/silver-octo-winner"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/redcarpetoaxaca/silver-octo-winner'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/redcarpetoaxaca/silver-octo-winner" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/redcarpetoaxaca/silver-octo-winner"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/redcarpetoaxaca/silver-octo-winner'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 55b67ea3585c9dd8db9c1a9878fcaa7d74a6c1e8 [INFO] sha for GitHub repo redcarpetoaxaca/silver-octo-winner: 55b67ea3585c9dd8db9c1a9878fcaa7d74a6c1e8 [INFO] validating manifest of redcarpetoaxaca/silver-octo-winner 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 redcarpetoaxaca/silver-octo-winner 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 redcarpetoaxaca/silver-octo-winner [INFO] finished frobbing redcarpetoaxaca/silver-octo-winner [INFO] frobbed toml for redcarpetoaxaca/silver-octo-winner written to work/ex/beta-1.37-6/sources/1.36.0/gh/redcarpetoaxaca/silver-octo-winner/Cargo.toml [INFO] started frobbing redcarpetoaxaca/silver-octo-winner [INFO] finished frobbing redcarpetoaxaca/silver-octo-winner [INFO] frobbed toml for redcarpetoaxaca/silver-octo-winner written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/redcarpetoaxaca/silver-octo-winner/Cargo.toml [INFO] crate redcarpetoaxaca/silver-octo-winner 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 redcarpetoaxaca/silver-octo-winner 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-3/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/redcarpetoaxaca/silver-octo-winner:/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] d615b1e328bf3e3d4aada75434e93bd9992ba95ea03e68b3a98b6ac4e7f64a88 [INFO] running `"docker" "start" "-a" "d615b1e328bf3e3d4aada75434e93bd9992ba95ea03e68b3a98b6ac4e7f64a88"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling unicode-normalization v0.1.8 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling rocket_codegen v0.4.2 [INFO] [stderr] Compiling rocket v0.4.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/pear_codegen-120635900c00e2f4/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: 1.31.0-nightly (2018-10-05). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55eb3dbd8eeb - 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: 0x55eb3dbd8eeb - 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: 0x55eb3dbd8eeb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55eb3dbd8eeb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55eb3dbd8eeb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55eb3dbd8bc7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55eb3dbd95b0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55eb3dbad5c4 - std::panicking::begin_panic::h6b4ec4b1fe33a8b6 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x55eb3dbab6cb - build_script_build::main::h8d6720b6eead1444 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31 [INFO] [stderr] 9: 0x55eb3dbac9d0 - std::rt::lang_start::{{closure}}::h37bd7e175e50e4b9 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x55eb3dbd9003 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x55eb3dbd9003 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x55eb3dbdf2ba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x55eb3dbd9abd - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x55eb3dbd9abd - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x55eb3dbd9abd - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x55eb3dbac9a9 - std::rt::lang_start::ha73513dd18192d59 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x55eb3dbac48a - main [INFO] [stderr] 18: 0x7f7b839782e1 - __libc_start_main [INFO] [stderr] 19: 0x55eb3dbab00a - _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" "d615b1e328bf3e3d4aada75434e93bd9992ba95ea03e68b3a98b6ac4e7f64a88"` [INFO] running `"docker" "rm" "-f" "d615b1e328bf3e3d4aada75434e93bd9992ba95ea03e68b3a98b6ac4e7f64a88"` [INFO] [stdout] d615b1e328bf3e3d4aada75434e93bd9992ba95ea03e68b3a98b6ac4e7f64a88