Sep 01 19:49:14.476 INFO checking verilated-0.1.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 19:49:14.476 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 19:49:14.476 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 19:49:14.637 INFO blam! 99a54a02a77f766c93acb002b418e74ae559d46dacdc3e483831187bd215900c
Sep 01 19:49:14.640 INFO running `"docker" "start" "-a" "99a54a02a77f766c93acb002b418e74ae559d46dacdc3e483831187bd215900c"`
Sep 01 19:49:15.181 INFO kablam!    Compiling verilator v0.1.1
Sep 01 19:49:15.692 INFO kablam!    Compiling verilated v0.1.1 (file:///source)
Sep 01 19:49:16.430 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (file:///source)`
Sep 01 19:49:16.430 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-8e7b32f2dda367fa/build-script-build` (exit code: 101)
Sep 01 19:49:16.430 INFO kablam! --- stderr
Sep 01 19:49:16.430 INFO kablam! thread 'main' panicked at '
Sep 01 19:49:16.430 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Sep 01 19:49:16.430 INFO kablam! 
Sep 01 19:49:16.430 INFO kablam! build script failed, must exit now', build.rs:16:5
Sep 01 19:49:16.430 INFO kablam! stack backtrace:
Sep 01 19:49:16.430 INFO kablam!    0:     0x55fa5bb73e1e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::ha200f2cd684ebd49
Sep 01 19:49:16.430 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 01 19:49:16.430 INFO kablam!    1:     0x55fa5bb63cc6 - std::sys_common::backtrace::print::hfe3d4e47b4c8e48c
Sep 01 19:49:16.430 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 01 19:49:16.430 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 01 19:49:16.430 INFO kablam!    2:     0x55fa5bb6207d - std::panicking::default_hook::{{closure}}::hf56af31102a42941
Sep 01 19:49:16.430 INFO kablam!                                at libstd/panicking.rs:211
Sep 01 19:49:16.430 INFO kablam!    3:     0x55fa5bb61df0 - std::panicking::default_hook::ha51b5d4eb7ec526d
Sep 01 19:49:16.431 INFO kablam!                                at libstd/panicking.rs:227
Sep 01 19:49:16.431 INFO kablam!    4:     0x55fa5bb626ec - std::panicking::rust_panic_with_hook::hd585483f9daec810
Sep 01 19:49:16.431 INFO kablam!                                at libstd/panicking.rs:477
Sep 01 19:49:16.431 INFO kablam!    5:     0x55fa5bb622e9 - std::panicking::continue_panic_fmt::h918075cde557b461
Sep 01 19:49:16.431 INFO kablam!                                at libstd/panicking.rs:391
Sep 01 19:49:16.431 INFO kablam!    6:     0x55fa5bb6224d - std::panicking::begin_panic_fmt::h5e5c6b72bacdc05a
Sep 01 19:49:16.431 INFO kablam!                                at libstd/panicking.rs:346
Sep 01 19:49:16.431 INFO kablam!    7:     0x55fa5baeaf51 - build_script_build::fail::h8459e01a640ffc2b
Sep 01 19:49:16.431 INFO kablam!                                at /source/build.rs:16
Sep 01 19:49:16.431 INFO kablam!    8:     0x55fa5baeafdd - build_script_build::main::h1efd1166cfdbad22
Sep 01 19:49:16.431 INFO kablam!                                at /source/build.rs:71
Sep 01 19:49:16.431 INFO kablam!    9:     0x55fa5baec04f - std::rt::lang_start::{{closure}}::h56ef1cb6fb9bd465
Sep 01 19:49:16.431 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 01 19:49:16.431 INFO kablam!   10:     0x55fa5bb62182 - std::panicking::try::do_call::hea63f5620482e896
Sep 01 19:49:16.431 INFO kablam!                                at libstd/rt.rs:59
Sep 01 19:49:16.431 INFO kablam!                                at libstd/panicking.rs:310
Sep 01 19:49:16.431 INFO kablam!   11:     0x55fa5bb85a09 - __rust_maybe_catch_panic
Sep 01 19:49:16.431 INFO kablam!                                at libpanic_unwind/lib.rs:103
Sep 01 19:49:16.431 INFO kablam!   12:     0x55fa5bb6f595 - std::rt::lang_start_internal::hfd6e69240f0360f8
Sep 01 19:49:16.432 INFO kablam!                                at libstd/panicking.rs:289
Sep 01 19:49:16.432 INFO kablam!                                at libstd/panic.rs:392
Sep 01 19:49:16.432 INFO kablam!                                at libstd/rt.rs:58
Sep 01 19:49:16.432 INFO kablam!   13:     0x55fa5baec027 - std::rt::lang_start::h2c35540c2fd4e19d
Sep 01 19:49:16.432 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Sep 01 19:49:16.432 INFO kablam!   14:     0x55fa5baeba29 - main
Sep 01 19:49:16.432 INFO kablam!   15:     0x7ffa0420182f - __libc_start_main
Sep 01 19:49:16.432 INFO kablam!   16:     0x55fa5bae98c8 - _start
Sep 01 19:49:16.432 INFO kablam!   17:                0x0 - <unknown>
Sep 01 19:49:16.432 INFO kablam! 
Sep 01 19:49:16.432 INFO kablam! su: No module specific data is present
Sep 01 19:49:16.845 INFO running `"docker" "rm" "-f" "99a54a02a77f766c93acb002b418e74ae559d46dacdc3e483831187bd215900c"`
Sep 01 19:49:16.930 INFO blam! 99a54a02a77f766c93acb002b418e74ae559d46dacdc3e483831187bd215900c