[INFO] updating cached repository loothood/joke [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/loothood/joke [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/loothood/joke" "work/ex/beta-1.38-1/sources/1.37.0/gh/loothood/joke"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/loothood/joke'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/loothood/joke" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/loothood/joke"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/loothood/joke'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3f4217318839f794ba4df1196e78549bcca11b63 [INFO] sha for GitHub repo loothood/joke: 3f4217318839f794ba4df1196e78549bcca11b63 [INFO] validating manifest of loothood/joke 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 loothood/joke 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 loothood/joke [INFO] finished frobbing loothood/joke [INFO] frobbed toml for loothood/joke written to work/ex/beta-1.38-1/sources/1.37.0/gh/loothood/joke/Cargo.toml [INFO] started frobbing loothood/joke [INFO] finished frobbing loothood/joke [INFO] frobbed toml for loothood/joke written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/loothood/joke/Cargo.toml [INFO] crate loothood/joke 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 loothood/joke 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/loothood/joke:/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] 5e85779761c5b57025a3376139febc00ea7387f7fc805a16bde3bac74f24f24f [INFO] running `"docker" "start" "-a" "5e85779761c5b57025a3376139febc00ea7387f7fc805a16bde3bac74f24f24f"` [INFO] [stderr] Compiling proc-macro2 v0.4.12 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Compiling matches v0.1.7 [INFO] [stderr] Compiling httparse v1.3.2 [INFO] [stderr] Compiling ryu v0.2.3 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling byteorder v1.2.4 [INFO] [stderr] Compiling pq-sys v0.4.6 [INFO] [stderr] Compiling regex v1.0.3 [INFO] [stderr] Compiling pest v0.3.3 [INFO] [stderr] Compiling pear v0.0.20 [INFO] [stderr] Compiling ordermap v0.2.13 [INFO] [stderr] Compiling bitflags v1.0.3 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling log v0.4.3 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling isatty v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling scheduled-thread-pool v0.2.0 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling base64 v0.9.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling pear_codegen v0.0.20 [INFO] [stderr] Compiling rocket v0.3.17 [INFO] [stderr] Compiling rocket_codegen v0.3.17 [INFO] [stderr] Compiling smallvec v0.6.4 [INFO] [stderr] Compiling aho-corasick v0.6.6 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling r2d2 v0.8.3 [INFO] [stderr] Compiling toml v0.4.8 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.0.20` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/pear_codegen-5f81f36470578f9a/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: 1.30.0-nightly (2018-08-23). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557e11842bdb - 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: 0x557e11842bdb - 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: 0x557e11842bdb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x557e11842bdb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x557e11842bdb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x557e118428b7 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x557e118432a0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x557e11818044 - std::panicking::begin_panic::h5c2656579efbd9d5 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x557e1181614b - build_script_build::main::hb0077bd1ab0b4832 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/build.rs:31 [INFO] [stderr] 9: 0x557e11817450 - std::rt::lang_start::{{closure}}::h2a17f68bdde64011 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x557e11842cf3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x557e11842cf3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x557e11848faa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x557e118437ad - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x557e118437ad - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x557e118437ad - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x557e11817429 - std::rt::lang_start::h91a33894805ff3c9 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x557e11816f0a - main [INFO] [stderr] 18: 0x7f25641c42e1 - __libc_start_main [INFO] [stderr] 19: 0x557e11815a8a - _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" "5e85779761c5b57025a3376139febc00ea7387f7fc805a16bde3bac74f24f24f"` [INFO] running `"docker" "rm" "-f" "5e85779761c5b57025a3376139febc00ea7387f7fc805a16bde3bac74f24f24f"` [INFO] [stdout] 5e85779761c5b57025a3376139febc00ea7387f7fc805a16bde3bac74f24f24f