Aug 17 07:01:27.304 INFO checking verilated-0.1.1 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 07:01:27.304 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 07:01:27.304 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 07:01:27.304 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 07:01:27.546 INFO blam! f4fe1dde8b8c6f8db4865cd20444d1e801f14a5b11aaf9b85dba6481a5bad39a
Aug 17 07:01:27.549 INFO running `"docker" "start" "-a" "f4fe1dde8b8c6f8db4865cd20444d1e801f14a5b11aaf9b85dba6481a5bad39a"`
Aug 17 07:01:28.515 INFO kablam!    Compiling verilator v0.1.1
Aug 17 07:01:29.995 INFO kablam!    Compiling verilated v0.1.1 (file:///source)
Aug 17 07:01:31.668 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (file:///source)`
Aug 17 07:01:31.668 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-df7003cbadeb5cff/build-script-build` (exit code: 101)
Aug 17 07:01:31.668 INFO kablam! --- stderr
Aug 17 07:01:31.668 INFO kablam! thread 'main' panicked at '
Aug 17 07:01:31.668 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Aug 17 07:01:31.668 INFO kablam! 
Aug 17 07:01:31.668 INFO kablam! build script failed, must exit now', build.rs:16:5
Aug 17 07:01:31.668 INFO kablam! stack backtrace:
Aug 17 07:01:31.668 INFO kablam!    0:     0x55e9f88dd00e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hee70e4814fe040ce
Aug 17 07:01:31.668 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Aug 17 07:01:31.668 INFO kablam!    1:     0x55e9f88cce96 - std::sys_common::backtrace::print::hd5d4c7080d4c6668
Aug 17 07:01:31.668 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Aug 17 07:01:31.668 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Aug 17 07:01:31.668 INFO kablam!    2:     0x55e9f88cb24d - std::panicking::default_hook::{{closure}}::hf0861fbb75eeb626
Aug 17 07:01:31.668 INFO kablam!                                at libstd/panicking.rs:211
Aug 17 07:01:31.668 INFO kablam!    3:     0x55e9f88cafc0 - std::panicking::default_hook::h8fcd9d1d326500d7
Aug 17 07:01:31.668 INFO kablam!                                at libstd/panicking.rs:227
Aug 17 07:01:31.668 INFO kablam!    4:     0x55e9f88cb8bc - std::panicking::rust_panic_with_hook::h288cacdc0047ca11
Aug 17 07:01:31.668 INFO kablam!                                at libstd/panicking.rs:475
Aug 17 07:01:31.668 INFO kablam!    5:     0x55e9f88cb4b9 - std::panicking::continue_panic_fmt::h4fd79658508ba4d2
Aug 17 07:01:31.668 INFO kablam!                                at libstd/panicking.rs:390
Aug 17 07:01:31.669 INFO kablam!    6:     0x55e9f88cb41d - std::panicking::begin_panic_fmt::h1e26cb66ff2ac56e
Aug 17 07:01:31.669 INFO kablam!                                at libstd/panicking.rs:345
Aug 17 07:01:31.669 INFO kablam!    7:     0x55e9f8858fc1 - build_script_build::fail::h65c40cea53601725
Aug 17 07:01:31.669 INFO kablam!                                at /source/build.rs:16
Aug 17 07:01:31.669 INFO kablam!    8:     0x55e9f885904d - build_script_build::main::h07cb8f0fdf08ffbb
Aug 17 07:01:31.669 INFO kablam!                                at /source/build.rs:71
Aug 17 07:01:31.669 INFO kablam!    9:     0x55e9f885a9df - std::rt::lang_start::{{closure}}::hce48ce5ef8cc041b
Aug 17 07:01:31.669 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 17 07:01:31.669 INFO kablam!   10:     0x55e9f88cb352 - std::panicking::try::do_call::h7dd2181ad400e896
Aug 17 07:01:31.669 INFO kablam!                                at libstd/rt.rs:59
Aug 17 07:01:31.669 INFO kablam!                                at libstd/panicking.rs:310
Aug 17 07:01:31.669 INFO kablam!   11:     0x55e9f88ee939 - __rust_maybe_catch_panic
Aug 17 07:01:31.669 INFO kablam!                                at libpanic_unwind/lib.rs:105
Aug 17 07:01:31.669 INFO kablam!   12:     0x55e9f88d8795 - std::rt::lang_start_internal::haca017aa1a7a6e2d
Aug 17 07:01:31.669 INFO kablam!                                at libstd/panicking.rs:289
Aug 17 07:01:31.669 INFO kablam!                                at libstd/panic.rs:392
Aug 17 07:01:31.669 INFO kablam!                                at libstd/rt.rs:58
Aug 17 07:01:31.669 INFO kablam!   13:     0x55e9f885a9b7 - std::rt::lang_start::h2e3320b1d6e447f8
Aug 17 07:01:31.669 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 17 07:01:31.669 INFO kablam!   14:     0x55e9f8859a99 - main
Aug 17 07:01:31.669 INFO kablam!   15:     0x7f7a59b2c82f - __libc_start_main
Aug 17 07:01:31.669 INFO kablam!   16:     0x55e9f8857938 - _start
Aug 17 07:01:31.669 INFO kablam!   17:                0x0 - <unknown>
Aug 17 07:01:31.672 INFO kablam! 
Aug 17 07:01:31.674 INFO kablam! su: No module specific data is present
Aug 17 07:01:32.175 INFO running `"docker" "rm" "-f" "f4fe1dde8b8c6f8db4865cd20444d1e801f14a5b11aaf9b85dba6481a5bad39a"`
Aug 17 07:01:32.339 INFO blam! f4fe1dde8b8c6f8db4865cd20444d1e801f14a5b11aaf9b85dba6481a5bad39a