Aug 31 16:26:40.802 INFO checking rocket-accept-language-0.1.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 16:26:40.802 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 16:26:40.803 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 16:26:40.990 INFO blam! c2b64aa8985e466d0c23892b535521fbe28e060581188620ecef730b0f4f87bc
Aug 31 16:26:40.993 INFO running `"docker" "start" "-a" "c2b64aa8985e466d0c23892b535521fbe28e060581188620ecef730b0f4f87bc"`
Aug 31 16:26:41.646 INFO kablam!     Checking fluent-locale v0.4.1
Aug 31 16:26:41.646 INFO kablam!     Checking accept-language v1.2.0
Aug 31 16:26:41.650 INFO kablam!    Compiling pear_codegen v0.0.20
Aug 31 16:26:41.740 INFO kablam! error: failed to run custom build command for `pear_codegen v0.0.20`
Aug 31 16:26:41.740 INFO kablam! process didn't exit successfully: `/target/debug/build/pear_codegen-bc894a01f7915b18/build-script-build` (exit code: 101)
Aug 31 16:26:41.740 INFO kablam! --- stderr
Aug 31 16:26:41.740 INFO kablam! Error: Pear requires a more recent version of rustc.
Aug 31 16:26:41.740 INFO kablam! Use `rustup update` or your preferred method to update Rust.
Aug 31 16:26:41.740 INFO kablam! Installed version is: 1.30.0-nightly (2018-08-21). Minimum required: 1.30.0-nightly (2018-08-23).
Aug 31 16:26:41.740 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 16:26:41.740 INFO kablam! stack backtrace:
Aug 31 16:26:41.740 INFO kablam!    0:     0x555ab8c70b7e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h8c3d0a2d42413513
Aug 31 16:26:41.740 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Aug 31 16:26:41.740 INFO kablam!    1:     0x555ab8c61fe6 - std::sys_common::backtrace::print::h2501b31339c3d559
Aug 31 16:26:41.740 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Aug 31 16:26:41.740 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Aug 31 16:26:41.740 INFO kablam!    2:     0x555ab8c6095d - std::panicking::default_hook::{{closure}}::h9550b067844d79de
Aug 31 16:26:41.741 INFO kablam!                                at libstd/panicking.rs:211
Aug 31 16:26:41.741 INFO kablam!    3:     0x555ab8c606d0 - std::panicking::default_hook::h26bd688683b20acb
Aug 31 16:26:41.741 INFO kablam!                                at libstd/panicking.rs:227
Aug 31 16:26:41.741 INFO kablam!    4:     0x555ab8c60f1c - std::panicking::rust_panic_with_hook::h0967a90ee06b4501
Aug 31 16:26:41.741 INFO kablam!                                at libstd/panicking.rs:475
Aug 31 16:26:41.741 INFO kablam!    5:     0x555ab8c45a5f - std::panicking::begin_panic::h5a23639bb5741060
Aug 31 16:26:41.741 INFO kablam!                                at /checkout/src/libstd/panicking.rs:409
Aug 31 16:26:41.741 INFO kablam!    6:     0x555ab8c4403a - build_script_build::main::h68ae402ad1bcecec
Aug 31 16:26:41.741 INFO kablam!                                at /cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.0.20/build.rs:43
Aug 31 16:26:41.741 INFO kablam!    7:     0x555ab8c4634f - std::rt::lang_start::{{closure}}::hb510ae7475186f08
Aug 31 16:26:41.741 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 31 16:26:41.741 INFO kablam!    8:     0x555ab8c60a02 - std::panicking::try::do_call::hc4206115bb2011fe
Aug 31 16:26:41.741 INFO kablam!                                at libstd/rt.rs:59
Aug 31 16:26:41.741 INFO kablam!                                at libstd/panicking.rs:310
Aug 31 16:26:41.741 INFO kablam!    9:     0x555ab8c82a09 - __rust_maybe_catch_panic
Aug 31 16:26:41.741 INFO kablam!                                at libpanic_unwind/lib.rs:102
Aug 31 16:26:41.741 INFO kablam!   10:     0x555ab8c6bb55 - std::rt::lang_start_internal::h0f4e93d8d2604488
Aug 31 16:26:41.741 INFO kablam!                                at libstd/panicking.rs:289
Aug 31 16:26:41.741 INFO kablam!                                at libstd/panic.rs:392
Aug 31 16:26:41.741 INFO kablam!                                at libstd/rt.rs:58
Aug 31 16:26:41.741 INFO kablam!   11:     0x555ab8c46327 - std::rt::lang_start::h459d281b7df56cc6
Aug 31 16:26:41.741 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 31 16:26:41.741 INFO kablam!   12:     0x555ab8c44a49 - main
Aug 31 16:26:41.741 INFO kablam!   13:     0x7f2ece74582f - __libc_start_main
Aug 31 16:26:41.741 INFO kablam!   14:     0x555ab8c43458 - _start
Aug 31 16:26:41.742 INFO kablam!   15:                0x0 - <unknown>
Aug 31 16:26:41.742 INFO kablam! 
Aug 31 16:26:41.742 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 16:26:42.707 INFO kablam! error: build failed
Aug 31 16:26:42.709 INFO kablam! su: No module specific data is present
Aug 31 16:26:43.073 INFO running `"docker" "rm" "-f" "c2b64aa8985e466d0c23892b535521fbe28e060581188620ecef730b0f4f87bc"`
Aug 31 16:26:43.178 INFO blam! c2b64aa8985e466d0c23892b535521fbe28e060581188620ecef730b0f4f87bc