[INFO] updating cached repository davidalber/rust-conduct-conformulator [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/davidalber/rust-conduct-conformulator [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/davidalber/rust-conduct-conformulator" "work/ex/beta-1.38-1/sources/1.37.0/gh/davidalber/rust-conduct-conformulator"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/davidalber/rust-conduct-conformulator'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/davidalber/rust-conduct-conformulator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidalber/rust-conduct-conformulator"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidalber/rust-conduct-conformulator'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 474c9edf2c602e794f7c1329a7dd7a525c1a5bd6 [INFO] sha for GitHub repo davidalber/rust-conduct-conformulator: 474c9edf2c602e794f7c1329a7dd7a525c1a5bd6 [INFO] validating manifest of davidalber/rust-conduct-conformulator on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of davidalber/rust-conduct-conformulator on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing davidalber/rust-conduct-conformulator [INFO] finished frobbing davidalber/rust-conduct-conformulator [INFO] frobbed toml for davidalber/rust-conduct-conformulator written to work/ex/beta-1.38-1/sources/1.37.0/gh/davidalber/rust-conduct-conformulator/Cargo.toml [INFO] started frobbing davidalber/rust-conduct-conformulator [INFO] finished frobbing davidalber/rust-conduct-conformulator [INFO] frobbed toml for davidalber/rust-conduct-conformulator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidalber/rust-conduct-conformulator/Cargo.toml [INFO] crate davidalber/rust-conduct-conformulator already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing davidalber/rust-conduct-conformulator against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidalber/rust-conduct-conformulator:/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] 17b342775ac97ba77823244154dfa45e7dea039ce08bb045dc7aa379394bcc93 [INFO] running `"docker" "start" "-a" "17b342775ac97ba77823244154dfa45e7dea039ce08bb045dc7aa379394bcc93"` [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling lazycell v1.1.0 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling filetime v0.2.4 [INFO] [stderr] Compiling base64 v0.10.0 [INFO] [stderr] Compiling encoding_rs v0.8.6 [INFO] [stderr] Compiling tokio-executor v0.1.4 [INFO] [stderr] Compiling openssl-sys v0.9.35 [INFO] [stderr] Compiling ring v0.13.2 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling base64 v0.9.2 [INFO] [stderr] Compiling rocket_codegen v0.4.0 [INFO] [stderr] Compiling rocket v0.4.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling uuid v0.6.5 [INFO] [stderr] Compiling want v0.0.4 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling tokio-timer v0.2.6 [INFO] [stderr] Compiling tokio-current-thread v0.1.1 [INFO] [stderr] Compiling pest_meta v2.0.3 [INFO] [stderr] Compiling unic-ucd-segment v0.7.0 [INFO] [stderr] Compiling tokio-io v0.1.8 [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-38e643087200fb4f/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: 1.38.0-beta.1 (2019-08-13). 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: 0x55ef7ce1c72b - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ef7ce1c72b - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ef7ce1c72b - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55ef7ce1c72b - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55ef7ce1c72b - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55ef7ce1c406 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55ef7ce1cded - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55ef7cdf1c21 - std::panicking::begin_panic::habe6a3d37667f51a [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x55ef7cdefa5a - build_script_build::main::h0d2951c7f4e1f124 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31 [INFO] [stderr] 9: 0x55ef7cdf1160 - std::rt::lang_start::{{closure}}::h3b640c05506faa01 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x55ef7ce1c843 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x55ef7ce1c843 - std::panicking::try::do_call::h9d779bc5e27e3284 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x55ef7ce22d0a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 13: 0x55ef7ce1d2fd - std::panicking::try::h4af22d9cb0afa351 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x55ef7ce1d2fd - std::panic::catch_unwind::hbb68a9ada87bfb97 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x55ef7ce1d2fd - std::rt::lang_start_internal::hba9e09d74440ce4d [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x55ef7cdf1139 - std::rt::lang_start::hca2094181babefb3 [INFO] [stderr] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x55ef7cdf083a - main [INFO] [stderr] 18: 0x7f00e70eb2e1 - __libc_start_main [INFO] [stderr] 19: 0x55ef7cdef38a - _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" "17b342775ac97ba77823244154dfa45e7dea039ce08bb045dc7aa379394bcc93"` [INFO] running `"docker" "rm" "-f" "17b342775ac97ba77823244154dfa45e7dea039ce08bb045dc7aa379394bcc93"` [INFO] [stdout] 17b342775ac97ba77823244154dfa45e7dea039ce08bb045dc7aa379394bcc93