Sep 01 19:49:14.384 INFO checking verilated-0.1.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 01 19:49:14.384 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 01 19:49:14.384 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 19:49:14.571 INFO blam! 994bd82ca931c16de57e832c714d7efb11588ab246e52670e6da3bac4e4bc1e2
Sep 01 19:49:14.571 INFO running `"docker" "start" "-a" "994bd82ca931c16de57e832c714d7efb11588ab246e52670e6da3bac4e4bc1e2"`
Sep 01 19:49:15.093 INFO kablam!    Compiling verilator v0.1.1
Sep 01 19:49:15.667 INFO kablam!    Compiling verilated v0.1.1 (file:///source)
Sep 01 19:49:16.436 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (file:///source)`
Sep 01 19:49:16.436 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-ca58099fb237a099/build-script-build` (exit code: 101)
Sep 01 19:49:16.436 INFO kablam! --- stderr
Sep 01 19:49:16.436 INFO kablam! thread 'main' panicked at '
Sep 01 19:49:16.436 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Sep 01 19:49:16.436 INFO kablam! 
Sep 01 19:49:16.437 INFO kablam! build script failed, must exit now', build.rs:16:5
Sep 01 19:49:16.437 INFO kablam! stack backtrace:
Sep 01 19:49:16.437 INFO kablam!    0:     0x557a22fc5e1e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h8608d381b52a1cc7
Sep 01 19:49:16.437 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 01 19:49:16.437 INFO kablam!    1:     0x557a22fb5cc6 - std::sys_common::backtrace::print::hf96fbb6301ca8111
Sep 01 19:49:16.437 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 01 19:49:16.437 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 01 19:49:16.437 INFO kablam!    2:     0x557a22fb407d - std::panicking::default_hook::{{closure}}::h2e8fa0d6ce9ebecc
Sep 01 19:49:16.437 INFO kablam!                                at libstd/panicking.rs:211
Sep 01 19:49:16.437 INFO kablam!    3:     0x557a22fb3df0 - std::panicking::default_hook::h3e385661c8d6b6f8
Sep 01 19:49:16.437 INFO kablam!                                at libstd/panicking.rs:227
Sep 01 19:49:16.437 INFO kablam!    4:     0x557a22fb46ec - std::panicking::rust_panic_with_hook::h82448672ce6401e7
Sep 01 19:49:16.437 INFO kablam!                                at libstd/panicking.rs:477
Sep 01 19:49:16.437 INFO kablam!    5:     0x557a22fb42e9 - std::panicking::continue_panic_fmt::h7abacf9371d614d8
Sep 01 19:49:16.437 INFO kablam!                                at libstd/panicking.rs:391
Sep 01 19:49:16.437 INFO kablam!    6:     0x557a22fb424d - std::panicking::begin_panic_fmt::h7b5ce7842a1f14ab
Sep 01 19:49:16.437 INFO kablam!                                at libstd/panicking.rs:346
Sep 01 19:49:16.437 INFO kablam!    7:     0x557a22f3cf51 - build_script_build::fail::h871ee6934c968d28
Sep 01 19:49:16.437 INFO kablam!                                at /source/build.rs:16
Sep 01 19:49:16.437 INFO kablam!    8:     0x557a22f3cfdd - build_script_build::main::h3389ccce96a6a580
Sep 01 19:49:16.437 INFO kablam!                                at /source/build.rs:71
Sep 01 19:49:16.437 INFO kablam!    9:     0x557a22f3e99f - std::rt::lang_start::{{closure}}::h04d8c910a410e28e
Sep 01 19:49:16.438 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 01 19:49:16.438 INFO kablam!   10:     0x557a22fb4182 - std::panicking::try::do_call::he8eb7284c711bc58
Sep 01 19:49:16.438 INFO kablam!                                at libstd/rt.rs:59
Sep 01 19:49:16.438 INFO kablam!                                at libstd/panicking.rs:310
Sep 01 19:49:16.438 INFO kablam!   11:     0x557a22fd7a19 - __rust_maybe_catch_panic
Sep 01 19:49:16.438 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 01 19:49:16.438 INFO kablam!   12:     0x557a22fc1595 - std::rt::lang_start_internal::h25421c11e0cff495
Sep 01 19:49:16.438 INFO kablam!                                at libstd/panicking.rs:289
Sep 01 19:49:16.438 INFO kablam!                                at libstd/panic.rs:392
Sep 01 19:49:16.438 INFO kablam!                                at libstd/rt.rs:58
Sep 01 19:49:16.438 INFO kablam!   13:     0x557a22f3e977 - std::rt::lang_start::hd4630f420eff8d86
Sep 01 19:49:16.438 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 01 19:49:16.438 INFO kablam!   14:     0x557a22f3da29 - main
Sep 01 19:49:16.438 INFO kablam!   15:     0x7fb06882082f - __libc_start_main
Sep 01 19:49:16.438 INFO kablam!   16:     0x557a22f3b8c8 - _start
Sep 01 19:49:16.438 INFO kablam!   17:                0x0 - <unknown>
Sep 01 19:49:16.438 INFO kablam! 
Sep 01 19:49:16.438 INFO kablam! su: No module specific data is present
Sep 01 19:49:16.910 INFO running `"docker" "rm" "-f" "994bd82ca931c16de57e832c714d7efb11588ab246e52670e6da3bac4e4bc1e2"`
Sep 01 19:49:17.012 INFO blam! 994bd82ca931c16de57e832c714d7efb11588ab246e52670e6da3bac4e4bc1e2