[INFO] updating cached repository luis-vmjr/freedu [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/luis-vmjr/freedu [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/luis-vmjr/freedu" "work/ex/beta-1.38-1/sources/1.37.0/gh/luis-vmjr/freedu"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/luis-vmjr/freedu'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/luis-vmjr/freedu" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luis-vmjr/freedu"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luis-vmjr/freedu'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c6b70beb7ee4bc936ccd7f9c753cfe422ed2dab5 [INFO] sha for GitHub repo luis-vmjr/freedu: c6b70beb7ee4bc936ccd7f9c753cfe422ed2dab5 [INFO] validating manifest of luis-vmjr/freedu 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 luis-vmjr/freedu 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 luis-vmjr/freedu [INFO] finished frobbing luis-vmjr/freedu [INFO] frobbed toml for luis-vmjr/freedu written to work/ex/beta-1.38-1/sources/1.37.0/gh/luis-vmjr/freedu/Cargo.toml [INFO] started frobbing luis-vmjr/freedu [INFO] finished frobbing luis-vmjr/freedu [INFO] frobbed toml for luis-vmjr/freedu written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luis-vmjr/freedu/Cargo.toml [INFO] crate luis-vmjr/freedu 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 luis-vmjr/freedu against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/luis-vmjr/freedu:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 6cf70ea44b7ca72720e481f3d4889eb333b05129d1135cb422004897ad98bcc9 [INFO] running `"docker" "start" "-a" "6cf70ea44b7ca72720e481f3d4889eb333b05129d1135cb422004897ad98bcc9"` [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling httparse v1.3.2 [INFO] [stderr] Compiling unicode-normalization v0.1.7 [INFO] [stderr] Compiling safemem v0.2.0 [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling pq-sys v0.4.6 [INFO] [stderr] Compiling serde v1.0.79 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling constant_time_eq v0.1.3 [INFO] [stderr] Compiling groupable v0.2.0 [INFO] [stderr] Compiling chunked_transfer v0.3.1 [INFO] [stderr] Compiling arrayref v0.3.5 [INFO] [stderr] Compiling modifier v0.1.0 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Compiling ascii v0.8.7 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling slice-deque v0.1.13 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling rocket_codegen v0.4.1 [INFO] [stderr] Compiling rocket v0.4.1 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling inotify v0.6.1 [INFO] [stderr] Compiling mio v0.6.18 [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-af106aa917ee8e60/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 (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: 0x558dfa868bdb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x558dfa868bdb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558dfa868bdb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x558dfa868bdb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x558dfa868bdb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x558dfa8688b7 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x558dfa8692a0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x558dfa83e044 - std::panicking::begin_panic::heee66aff26e30897 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x558dfa83c14b - build_script_build::main::h4ddf6a3163d7daa8 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31 [INFO] [stderr] 9: 0x558dfa83d450 - std::rt::lang_start::{{closure}}::hb61173abe7c4bc5d [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x558dfa868cf3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x558dfa868cf3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x558dfa86efaa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x558dfa8697ad - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x558dfa8697ad - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x558dfa8697ad - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x558dfa83d429 - std::rt::lang_start::h668498e3c5cc5f2e [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x558dfa83cf0a - main [INFO] [stderr] 18: 0x7f20875dd2e1 - __libc_start_main [INFO] [stderr] 19: 0x558dfa83ba8a - _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" "6cf70ea44b7ca72720e481f3d4889eb333b05129d1135cb422004897ad98bcc9"` [INFO] running `"docker" "rm" "-f" "6cf70ea44b7ca72720e481f3d4889eb333b05129d1135cb422004897ad98bcc9"` [INFO] [stdout] 6cf70ea44b7ca72720e481f3d4889eb333b05129d1135cb422004897ad98bcc9