Sep 17 15:16:58.059 INFO checking verilated-0.1.1 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 15:16:58.059 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 15:16:58.059 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-3/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 15:16:58.219 INFO blam! d1daee08149e77ad43f21d38e49a4961d2aa931fc4e1f6566906cdb0931e8b6e
Sep 17 15:16:58.220 INFO running `"docker" "start" "-a" "d1daee08149e77ad43f21d38e49a4961d2aa931fc4e1f6566906cdb0931e8b6e"`
Sep 17 15:16:59.045 INFO kablam! usermod: no changes
Sep 17 15:16:59.077 INFO kablam!    Compiling verilator v0.1.2
Sep 17 15:16:59.421 INFO kablam!    Compiling verilated v0.1.1 (/source)
Sep 17 15:17:00.174 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (/source)`
Sep 17 15:17:00.174 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-e9576ba4da0837d1/build-script-build` (exit code: 101)
Sep 17 15:17:00.174 INFO kablam! --- stderr
Sep 17 15:17:00.174 INFO kablam! thread 'main' panicked at '
Sep 17 15:17:00.174 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Sep 17 15:17:00.174 INFO kablam! 
Sep 17 15:17:00.175 INFO kablam! build script failed, must exit now', build.rs:16:5
Sep 17 15:17:00.175 INFO kablam! stack backtrace:
Sep 17 15:17:00.175 INFO kablam!    0:     0x55990fbf676e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h3090ca1ed78cca71
Sep 17 15:17:00.175 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 17 15:17:00.175 INFO kablam!    1:     0x55990fbe6986 - std::sys_common::backtrace::print::h99b72a5631242278
Sep 17 15:17:00.175 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 17 15:17:00.175 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 17 15:17:00.175 INFO kablam!    2:     0x55990fbe4d1d - std::panicking::default_hook::{{closure}}::h54d3733129c11945
Sep 17 15:17:00.175 INFO kablam!                                at libstd/panicking.rs:211
Sep 17 15:17:00.175 INFO kablam!    3:     0x55990fbe4a90 - std::panicking::default_hook::h4009303414ec57d2
Sep 17 15:17:00.175 INFO kablam!                                at libstd/panicking.rs:227
Sep 17 15:17:00.175 INFO kablam!    4:     0x55990fbe538c - std::panicking::rust_panic_with_hook::h8475f7373e2a6a09
Sep 17 15:17:00.175 INFO kablam!                                at libstd/panicking.rs:477
Sep 17 15:17:00.175 INFO kablam!    5:     0x55990fbe4f89 - std::panicking::continue_panic_fmt::h7c45cd8a330caec8
Sep 17 15:17:00.175 INFO kablam!                                at libstd/panicking.rs:391
Sep 17 15:17:00.175 INFO kablam!    6:     0x55990fbe4eed - std::panicking::begin_panic_fmt::h73c5de5bdde732ba
Sep 17 15:17:00.175 INFO kablam!                                at libstd/panicking.rs:346
Sep 17 15:17:00.175 INFO kablam!    7:     0x55990fb65ea1 - build_script_build::fail::h22ed5652252a68ed
Sep 17 15:17:00.175 INFO kablam!                                at /source/build.rs:16
Sep 17 15:17:00.175 INFO kablam!    8:     0x55990fb65f2b - build_script_build::main::h3116eb581a82b143
Sep 17 15:17:00.175 INFO kablam!                                at /source/build.rs:71
Sep 17 15:17:00.175 INFO kablam!    9:     0x55990fb6791f - std::rt::lang_start::{{closure}}::h42f19686d7d35e7a
Sep 17 15:17:00.175 INFO kablam!                                at libstd/rt.rs:74
Sep 17 15:17:00.176 INFO kablam!   10:     0x55990fbe4e22 - std::panicking::try::do_call::h4e106d51362d386b
Sep 17 15:17:00.176 INFO kablam!                                at libstd/rt.rs:59
Sep 17 15:17:00.176 INFO kablam!                                at libstd/panicking.rs:310
Sep 17 15:17:00.176 INFO kablam!   11:     0x55990fc08f09 - __rust_maybe_catch_panic
Sep 17 15:17:00.176 INFO kablam!                                at libpanic_unwind/lib.rs:102
Sep 17 15:17:00.176 INFO kablam!   12:     0x55990fbf1f85 - std::rt::lang_start_internal::h38152e29cae9da90
Sep 17 15:17:00.176 INFO kablam!                                at libstd/panicking.rs:289
Sep 17 15:17:00.176 INFO kablam!                                at libstd/panic.rs:392
Sep 17 15:17:00.176 INFO kablam!                                at libstd/rt.rs:58
Sep 17 15:17:00.176 INFO kablam!   13:     0x55990fb678f7 - std::rt::lang_start::h0c83a2e7546a97dd
Sep 17 15:17:00.176 INFO kablam!                                at libstd/rt.rs:74
Sep 17 15:17:00.176 INFO kablam!   14:     0x55990fb66939 - main
Sep 17 15:17:00.176 INFO kablam!   15:     0x7f3b0cebb82f - __libc_start_main
Sep 17 15:17:00.176 INFO kablam!   16:     0x55990fb64818 - _start
Sep 17 15:17:00.176 INFO kablam!   17:                0x0 - <unknown>
Sep 17 15:17:00.176 INFO kablam! 
Sep 17 15:17:00.176 INFO kablam! su: No module specific data is present
Sep 17 15:17:00.670 INFO running `"docker" "rm" "-f" "d1daee08149e77ad43f21d38e49a4961d2aa931fc4e1f6566906cdb0931e8b6e"`
Sep 17 15:17:00.756 INFO blam! d1daee08149e77ad43f21d38e49a4961d2aa931fc4e1f6566906cdb0931e8b6e