[INFO] updating cached repository k-nasa/memo_command [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/k-nasa/memo_command [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/k-nasa/memo_command" "work/ex/beta-1.37-6/sources/1.36.0/gh/k-nasa/memo_command"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/k-nasa/memo_command'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/k-nasa/memo_command" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/k-nasa/memo_command"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/k-nasa/memo_command'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6125605ad3d41f3bc6e310d306cdffc5652c83f9 [INFO] sha for GitHub repo k-nasa/memo_command: 6125605ad3d41f3bc6e310d306cdffc5652c83f9 [INFO] validating manifest of k-nasa/memo_command 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 k-nasa/memo_command 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 k-nasa/memo_command [INFO] finished frobbing k-nasa/memo_command [INFO] frobbed toml for k-nasa/memo_command written to work/ex/beta-1.37-6/sources/1.36.0/gh/k-nasa/memo_command/Cargo.toml [INFO] started frobbing k-nasa/memo_command [INFO] finished frobbing k-nasa/memo_command [INFO] frobbed toml for k-nasa/memo_command written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/k-nasa/memo_command/Cargo.toml [INFO] crate k-nasa/memo_command 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 k-nasa/memo_command 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-0/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/k-nasa/memo_command:/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] 4abaead8bd2bbcb5825d41a87dfbf6995c0f2ee91b01f1ed669fb61a5fa0cdf3 [INFO] running `"docker" "start" "-a" "4abaead8bd2bbcb5825d41a87dfbf6995c0f2ee91b01f1ed669fb61a5fa0cdf3"` [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling mac v0.1.1 [INFO] [stderr] Compiling safemem v0.3.0 [INFO] [stderr] Compiling ucd-trie v0.1.1 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling winapi v0.3.6 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling sequence_trie v0.3.6 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Compiling is-match v0.1.0 [INFO] [stderr] Compiling strum v0.11.0 [INFO] [stderr] Compiling numtoa v0.1.0 [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 owning_ref v0.4.0 [INFO] [stderr] Compiling rocket_codegen v0.4.1 [INFO] [stderr] Compiling rocket v0.4.1 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling pest v2.1.0 [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: 0x55899e16deeb - 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: 0x55899e16deeb - 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: 0x55899e16deeb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55899e16deeb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55899e16deeb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55899e16dbc7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55899e16e5b0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55899e1425c4 - std::panicking::begin_panic::h6b4ec4b1fe33a8b6 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x55899e1406cb - 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: 0x55899e1419d0 - std::rt::lang_start::{{closure}}::h37bd7e175e50e4b9 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x55899e16e003 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x55899e16e003 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x55899e1742ba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x55899e16eabd - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x55899e16eabd - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x55899e16eabd - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x55899e1419a9 - std::rt::lang_start::ha73513dd18192d59 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x55899e14148a - main [INFO] [stderr] 18: 0x7f719b8892e1 - __libc_start_main [INFO] [stderr] 19: 0x55899e14000a - _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" "4abaead8bd2bbcb5825d41a87dfbf6995c0f2ee91b01f1ed669fb61a5fa0cdf3"` [INFO] running `"docker" "rm" "-f" "4abaead8bd2bbcb5825d41a87dfbf6995c0f2ee91b01f1ed669fb61a5fa0cdf3"` [INFO] [stdout] 4abaead8bd2bbcb5825d41a87dfbf6995c0f2ee91b01f1ed669fb61a5fa0cdf3