Sep 03 23:08:03.171 INFO checking verilated-0.1.1 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 03 23:08:03.171 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 03 23:08:03.171 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 23:08:03.362 INFO blam! 22f488e02ae5cbb53a1ab3a07e2011edca789e610f8ab0d22b7ffde6ab48077e
Sep 03 23:08:03.364 INFO running `"docker" "start" "-a" "22f488e02ae5cbb53a1ab3a07e2011edca789e610f8ab0d22b7ffde6ab48077e"`
Sep 03 23:08:03.973 INFO kablam!    Compiling verilator v0.1.1
Sep 03 23:08:04.652 INFO kablam!    Compiling verilated v0.1.1 (file:///source)
Sep 03 23:08:05.525 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (file:///source)`
Sep 03 23:08:05.525 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-5b7c5be99cc999df/build-script-build` (exit code: 101)
Sep 03 23:08:05.525 INFO kablam! --- stderr
Sep 03 23:08:05.525 INFO kablam! thread 'main' panicked at '
Sep 03 23:08:05.525 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Sep 03 23:08:05.525 INFO kablam! 
Sep 03 23:08:05.525 INFO kablam! build script failed, must exit now', build.rs:16:5
Sep 03 23:08:05.525 INFO kablam! stack backtrace:
Sep 03 23:08:05.525 INFO kablam!    0:     0x561b69cb193e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::ha53509682dbd7f85
Sep 03 23:08:05.525 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 03 23:08:05.526 INFO kablam!    1:     0x561b69ca1766 - std::sys_common::backtrace::print::h3aced1bbe2b8ca94
Sep 03 23:08:05.526 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 03 23:08:05.526 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 03 23:08:05.526 INFO kablam!    2:     0x561b69c9fb4d - std::panicking::default_hook::{{closure}}::h76b1883c3c87e0fa
Sep 03 23:08:05.526 INFO kablam!                                at libstd/panicking.rs:211
Sep 03 23:08:05.526 INFO kablam!    3:     0x561b69c9f8c0 - std::panicking::default_hook::h74b87988c51c021c
Sep 03 23:08:05.526 INFO kablam!                                at libstd/panicking.rs:227
Sep 03 23:08:05.526 INFO kablam!    4:     0x561b69ca01bc - std::panicking::rust_panic_with_hook::h3878be5cebe1ecc9
Sep 03 23:08:05.526 INFO kablam!                                at libstd/panicking.rs:477
Sep 03 23:08:05.526 INFO kablam!    5:     0x561b69c9fdb9 - std::panicking::continue_panic_fmt::h7964842efee54f94
Sep 03 23:08:05.526 INFO kablam!                                at libstd/panicking.rs:391
Sep 03 23:08:05.526 INFO kablam!    6:     0x561b69c9fd1d - std::panicking::begin_panic_fmt::h24162616eac839a2
Sep 03 23:08:05.526 INFO kablam!                                at libstd/panicking.rs:346
Sep 03 23:08:05.526 INFO kablam!    7:     0x561b69c28f61 - build_script_build::fail::h58dd5bc1a0e0bdfd
Sep 03 23:08:05.526 INFO kablam!                                at /source/build.rs:16
Sep 03 23:08:05.526 INFO kablam!    8:     0x561b69c28feb - build_script_build::main::h25f88f52e558bc1b
Sep 03 23:08:05.526 INFO kablam!                                at /source/build.rs:71
Sep 03 23:08:05.526 INFO kablam!    9:     0x561b69c2a01f - std::rt::lang_start::{{closure}}::ha7efe8692500b0c6
Sep 03 23:08:05.526 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 03 23:08:05.526 INFO kablam!   10:     0x561b69c9fc52 - std::panicking::try::do_call::h2434b76b61552c7b
Sep 03 23:08:05.526 INFO kablam!                                at libstd/rt.rs:59
Sep 03 23:08:05.526 INFO kablam!                                at libstd/panicking.rs:310
Sep 03 23:08:05.526 INFO kablam!   11:     0x561b69cc37e9 - __rust_maybe_catch_panic
Sep 03 23:08:05.526 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 03 23:08:05.527 INFO kablam!   12:     0x561b69cad085 - std::rt::lang_start_internal::h60780ef6735385b7
Sep 03 23:08:05.527 INFO kablam!                                at libstd/panicking.rs:289
Sep 03 23:08:05.527 INFO kablam!                                at libstd/panic.rs:392
Sep 03 23:08:05.527 INFO kablam!                                at libstd/rt.rs:58
Sep 03 23:08:05.527 INFO kablam!   13:     0x561b69c29ff7 - std::rt::lang_start::ha22d8d312b199f85
Sep 03 23:08:05.527 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 03 23:08:05.527 INFO kablam!   14:     0x561b69c299f9 - main
Sep 03 23:08:05.527 INFO kablam!   15:     0x7f6a94cec82f - __libc_start_main
Sep 03 23:08:05.527 INFO kablam!   16:     0x561b69c278d8 - _start
Sep 03 23:08:05.527 INFO kablam!   17:                0x0 - <unknown>
Sep 03 23:08:05.527 INFO kablam! 
Sep 03 23:08:05.527 INFO kablam! su: No module specific data is present
Sep 03 23:08:05.961 INFO running `"docker" "rm" "-f" "22f488e02ae5cbb53a1ab3a07e2011edca789e610f8ab0d22b7ffde6ab48077e"`
Sep 03 23:08:06.063 INFO blam! 22f488e02ae5cbb53a1ab3a07e2011edca789e610f8ab0d22b7ffde6ab48077e