Jul 11 18:15:22.444 INFO checking verilated-0.1.1 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 11 18:15:22.444 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 18:15:22.444 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 11 18:15:22.444 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-4/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 18:15:22.718 INFO blam! b58253c6ce45aa1350469c8a590e1322b55122fbd8a69499aef8345757f57adf
Jul 11 18:15:22.722 INFO running `"docker" "start" "-a" "b58253c6ce45aa1350469c8a590e1322b55122fbd8a69499aef8345757f57adf"`
Jul 11 18:15:23.722 INFO kablam!    Compiling verilator v0.1.1
Jul 11 18:15:25.172 INFO kablam!    Compiling verilated v0.1.1 (file:///source)
Jul 11 18:15:27.152 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (file:///source)`
Jul 11 18:15:27.152 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-8c860098e5237544/build-script-build` (exit code: 101)
Jul 11 18:15:27.152 INFO kablam! --- stderr
Jul 11 18:15:27.153 INFO kablam! thread 'main' panicked at '
Jul 11 18:15:27.153 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Jul 11 18:15:27.153 INFO kablam! 
Jul 11 18:15:27.153 INFO kablam! build script failed, must exit now', build.rs:16:5
Jul 11 18:15:27.153 INFO kablam! stack backtrace:
Jul 11 18:15:27.153 INFO kablam!    0:     0x5617bc35a53e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h384ae355f7caea4e
Jul 11 18:15:27.153 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Jul 11 18:15:27.153 INFO kablam!    1:     0x5617bc365bd6 - std::sys_common::backtrace::print::h4bb52e1bee024bba
Jul 11 18:15:27.153 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Jul 11 18:15:27.153 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Jul 11 18:15:27.153 INFO kablam!    2:     0x5617bc35f06d - std::panicking::default_hook::{{closure}}::hb7ba413df06fc0fe
Jul 11 18:15:27.153 INFO kablam!                                at libstd/panicking.rs:211
Jul 11 18:15:27.153 INFO kablam!    3:     0x5617bc35ede0 - std::panicking::default_hook::h0d2752b2f723ae1b
Jul 11 18:15:27.153 INFO kablam!                                at libstd/panicking.rs:227
Jul 11 18:15:27.153 INFO kablam!    4:     0x5617bc35f6dc - std::panicking::rust_panic_with_hook::h5ab246e6d52e753b
Jul 11 18:15:27.153 INFO kablam!                                at libstd/panicking.rs:475
Jul 11 18:15:27.153 INFO kablam!    5:     0x5617bc35f2d9 - std::panicking::continue_panic_fmt::hbc5be41dc11c760a
Jul 11 18:15:27.153 INFO kablam!                                at libstd/panicking.rs:390
Jul 11 18:15:27.153 INFO kablam!    6:     0x5617bc35f23d - std::panicking::begin_panic_fmt::ha1b16ae9609c44dd
Jul 11 18:15:27.153 INFO kablam!                                at libstd/panicking.rs:345
Jul 11 18:15:27.153 INFO kablam!    7:     0x5617bc2dd051 - build_script_build::fail::h88f108abb4be3a7c
Jul 11 18:15:27.153 INFO kablam!                                at /source/build.rs:16
Jul 11 18:15:27.153 INFO kablam!    8:     0x5617bc2dd0dd - build_script_build::main::h50b1133f5150c97c
Jul 11 18:15:27.154 INFO kablam!                                at /source/build.rs:71
Jul 11 18:15:27.154 INFO kablam!    9:     0x5617bc2dea6f - std::rt::lang_start::{{closure}}::hedae2fc1679fe942
Jul 11 18:15:27.154 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Jul 11 18:15:27.154 INFO kablam!   10:     0x5617bc35f172 - std::panicking::try::do_call::he078c96f91c45734
Jul 11 18:15:27.154 INFO kablam!                                at libstd/rt.rs:59
Jul 11 18:15:27.154 INFO kablam!                                at libstd/panicking.rs:310
Jul 11 18:15:27.154 INFO kablam!   11:     0x5617bc370f89 - __rust_maybe_catch_panic
Jul 11 18:15:27.154 INFO kablam!                                at libpanic_unwind/lib.rs:105
Jul 11 18:15:27.154 INFO kablam!   12:     0x5617bc354d45 - std::rt::lang_start_internal::he059594c0b5de843
Jul 11 18:15:27.154 INFO kablam!                                at libstd/panicking.rs:289
Jul 11 18:15:27.154 INFO kablam!                                at libstd/panic.rs:392
Jul 11 18:15:27.154 INFO kablam!                                at libstd/rt.rs:58
Jul 11 18:15:27.154 INFO kablam!   13:     0x5617bc2dea47 - std::rt::lang_start::h62e9a896589e7935
Jul 11 18:15:27.154 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Jul 11 18:15:27.154 INFO kablam!   14:     0x5617bc2ddb29 - main
Jul 11 18:15:27.154 INFO kablam!   15:     0x7fa6f85a982f - __libc_start_main
Jul 11 18:15:27.154 INFO kablam!   16:     0x5617bc2dba58 - _start
Jul 11 18:15:27.154 INFO kablam!   17:                0x0 - <unknown>
Jul 11 18:15:27.155 INFO kablam! 
Jul 11 18:15:27.157 INFO kablam! su: No module specific data is present
Jul 11 18:15:27.715 INFO running `"docker" "rm" "-f" "b58253c6ce45aa1350469c8a590e1322b55122fbd8a69499aef8345757f57adf"`
Jul 11 18:15:27.889 INFO blam! b58253c6ce45aa1350469c8a590e1322b55122fbd8a69499aef8345757f57adf