Dec 02 22:57:17.266 INFO testing pear-0.1.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 22:57:17.267 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 22:57:17.629 INFO [stdout] 5536071aaa3e6f254f91b5314d312e80683938aeb885b9c4119c4d994deb3f03
Dec 02 22:57:17.631 INFO running `"docker" "start" "-a" "5536071aaa3e6f254f91b5314d312e80683938aeb885b9c4119c4d994deb3f03"`
Dec 02 22:57:18.304 INFO [stderr] usermod: no changes
Dec 02 22:57:18.363 INFO [stderr]    Compiling pear_codegen v0.1.2
Dec 02 22:57:18.508 INFO [stderr] error: failed to run custom build command for `pear_codegen v0.1.2`
Dec 02 22:57:18.508 INFO [stderr] process didn't exit successfully: `/target/debug/build/pear_codegen-2e75d5d811e26316/build-script-build` (exit code: 101)
Dec 02 22:57:18.508 INFO [stderr] --- stderr
Dec 02 22:57:18.508 INFO [stderr] Error: Pear requires a nightly or dev version of Rust.
Dec 02 22:57:18.508 INFO [stderr] Installed version is: 1.31.0-beta.20 (2018-11-30). Minimum required: 1.31.0-nightly (2018-10-05).
Dec 02 22:57:18.508 INFO [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31:13
Dec 02 22:57:18.508 INFO [stderr] stack backtrace:
Dec 02 22:57:18.508 INFO [stderr]    0:     0x55e115c1c27f - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h3a8b83e1922cbdde
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Dec 02 22:57:18.508 INFO [stderr]    1:     0x55e115c27c57 - std::sys_common::backtrace::print::h00d3155a29b4020f
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/sys_common/backtrace.rs:71
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/sys_common/backtrace.rs:59
Dec 02 22:57:18.508 INFO [stderr]    2:     0x55e115c20b1f - std::panicking::default_hook::{{closure}}::hd7465c742e79e1bb
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/panicking.rs:211
Dec 02 22:57:18.508 INFO [stderr]    3:     0x55e115c20884 - std::panicking::default_hook::h9e3966f2aa2a6e12
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/panicking.rs:227
Dec 02 22:57:18.508 INFO [stderr]    4:     0x55e115c2114e - std::panicking::rust_panic_with_hook::h587f091ae747d080
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/panicking.rs:476
Dec 02 22:57:18.508 INFO [stderr]    5:     0x55e115bf2cb3 - std::panicking::begin_panic::h11cdb12d4a2cbf75
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/panicking.rs:410
Dec 02 22:57:18.508 INFO [stderr]    6:     0x55e115bf0d78 - build_script_build::main::he900faea4d6611be
Dec 02 22:57:18.508 INFO [stderr]                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31
Dec 02 22:57:18.508 INFO [stderr]    7:     0x55e115bf359f - std::rt::lang_start::{{closure}}::h1698bb9fd794c876
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/rt.rs:74
Dec 02 22:57:18.508 INFO [stderr]    8:     0x55e115c20bc2 - std::panicking::try::do_call::h52e7f80ff0fdcc45
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/rt.rs:59
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/panicking.rs:310
Dec 02 22:57:18.508 INFO [stderr]    9:     0x55e115c32c09 - __rust_maybe_catch_panic
Dec 02 22:57:18.508 INFO [stderr]                                at libpanic_unwind/lib.rs:102
Dec 02 22:57:18.508 INFO [stderr]   10:     0x55e115c108da - std::rt::lang_start_internal::h38cae898de7f805c
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/panicking.rs:289
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/panic.rs:392
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/rt.rs:58
Dec 02 22:57:18.508 INFO [stderr]   11:     0x55e115bf3578 - std::rt::lang_start::h6c3dd336e717f792
Dec 02 22:57:18.508 INFO [stderr]                                at libstd/rt.rs:74
Dec 02 22:57:18.508 INFO [stderr]   12:     0x55e115bf1c49 - main
Dec 02 22:57:18.508 INFO [stderr]   13:     0x7f7dd26a082f - __libc_start_main
Dec 02 22:57:18.508 INFO [stderr]   14:     0x55e115bf0658 - _start
Dec 02 22:57:18.508 INFO [stderr]   15:                0x0 - <unknown>
Dec 02 22:57:18.508 INFO [stderr] 
Dec 02 22:57:18.508 INFO [stderr] su: No module specific data is present
Dec 02 22:57:19.019 INFO running `"docker" "inspect" "5536071aaa3e6f254f91b5314d312e80683938aeb885b9c4119c4d994deb3f03"`
Dec 02 22:57:19.147 INFO running `"docker" "rm" "-f" "5536071aaa3e6f254f91b5314d312e80683938aeb885b9c4119c4d994deb3f03"`
Dec 02 22:57:19.264 INFO [stdout] 5536071aaa3e6f254f91b5314d312e80683938aeb885b9c4119c4d994deb3f03