Aug 31 16:26:15.572 INFO checking rocket-lenient-json-0.3.1 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 16:26:15.572 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 16:26:15.573 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 16:26:15.773 INFO blam! ce6d076a6a8cf6113912838452f4975edc95c32348c4fadd70798f690f9e2903
Aug 31 16:26:15.775 INFO running `"docker" "start" "-a" "ce6d076a6a8cf6113912838452f4975edc95c32348c4fadd70798f690f9e2903"`
Aug 31 16:26:16.580 INFO kablam!    Compiling pear_codegen v0.0.20
Aug 31 16:26:16.652 INFO kablam! error: failed to run custom build command for `pear_codegen v0.0.20`
Aug 31 16:26:16.652 INFO kablam! process didn't exit successfully: `/target/debug/build/pear_codegen-fddbfa37c158379c/build-script-build` (exit code: 101)
Aug 31 16:26:16.652 INFO kablam! --- stderr
Aug 31 16:26:16.652 INFO kablam! Error: Pear requires a more recent version of rustc.
Aug 31 16:26:16.652 INFO kablam! Use `rustup update` or your preferred method to update Rust.
Aug 31 16:26:16.652 INFO kablam! Installed version is: 1.30.0-nightly (2018-08-21). Minimum required: 1.30.0-nightly (2018-08-23).
Aug 31 16:26:16.652 INFO kablam! thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/build.rs:43:13
Aug 31 16:26:16.652 INFO kablam! stack backtrace:
Aug 31 16:26:16.652 INFO kablam!    0:     0x560017edfb7e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h5b93042d6f15f800
Aug 31 16:26:16.652 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Aug 31 16:26:16.652 INFO kablam!    1:     0x560017ed0fe6 - std::sys_common::backtrace::print::h20e4b3ea37b660b2
Aug 31 16:26:16.652 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Aug 31 16:26:16.652 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Aug 31 16:26:16.652 INFO kablam!    2:     0x560017ecf95d - std::panicking::default_hook::{{closure}}::h795a478e1aaada94
Aug 31 16:26:16.653 INFO kablam!                                at libstd/panicking.rs:211
Aug 31 16:26:16.653 INFO kablam!    3:     0x560017ecf6d0 - std::panicking::default_hook::h62c69762e441cd31
Aug 31 16:26:16.653 INFO kablam!                                at libstd/panicking.rs:227
Aug 31 16:26:16.653 INFO kablam!    4:     0x560017ecff1c - std::panicking::rust_panic_with_hook::hb56a094fe82bce4d
Aug 31 16:26:16.653 INFO kablam!                                at libstd/panicking.rs:475
Aug 31 16:26:16.653 INFO kablam!    5:     0x560017eb4a5f - std::panicking::begin_panic::hf752b4fa61ba3dd7
Aug 31 16:26:16.653 INFO kablam!                                at /checkout/src/libstd/panicking.rs:409
Aug 31 16:26:16.653 INFO kablam!    6:     0x560017eb303a - build_script_build::main::h8ff9b9674551c7ad
Aug 31 16:26:16.653 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/build.rs:43
Aug 31 16:26:16.653 INFO kablam!    7:     0x560017eb534f - std::rt::lang_start::{{closure}}::hfd591e9645ba916f
Aug 31 16:26:16.653 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 31 16:26:16.653 INFO kablam!    8:     0x560017ecfa02 - std::panicking::try::do_call::h344c73344a3fd6f6
Aug 31 16:26:16.653 INFO kablam!                                at libstd/rt.rs:59
Aug 31 16:26:16.653 INFO kablam!                                at libstd/panicking.rs:310
Aug 31 16:26:16.653 INFO kablam!    9:     0x560017ef1f89 - __rust_maybe_catch_panic
Aug 31 16:26:16.653 INFO kablam!                                at libpanic_unwind/lib.rs:102
Aug 31 16:26:16.653 INFO kablam!   10:     0x560017edab55 - std::rt::lang_start_internal::h4ab4abaf01dcd012
Aug 31 16:26:16.653 INFO kablam!                                at libstd/panicking.rs:289
Aug 31 16:26:16.653 INFO kablam!                                at libstd/panic.rs:392
Aug 31 16:26:16.653 INFO kablam!                                at libstd/rt.rs:58
Aug 31 16:26:16.653 INFO kablam!   11:     0x560017eb5327 - std::rt::lang_start::h2fba0936339ba24f
Aug 31 16:26:16.653 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 31 16:26:16.654 INFO kablam!   12:     0x560017eb3a49 - main
Aug 31 16:26:16.654 INFO kablam!   13:     0x7f03b259f82f - __libc_start_main
Aug 31 16:26:16.654 INFO kablam!   14:     0x560017eb2458 - _start
Aug 31 16:26:16.654 INFO kablam!   15:                0x0 - <unknown>
Aug 31 16:26:16.654 INFO kablam! 
Aug 31 16:26:16.654 INFO kablam! su: No module specific data is present
Aug 31 16:26:17.172 INFO running `"docker" "rm" "-f" "ce6d076a6a8cf6113912838452f4975edc95c32348c4fadd70798f690f9e2903"`
Aug 31 16:26:17.269 INFO blam! ce6d076a6a8cf6113912838452f4975edc95c32348c4fadd70798f690f9e2903