Sep 19 16:10:04.512 INFO checking verilated-0.1.1 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 16:10:04.512 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 16:10:04.512 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-2/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 16:10:04.672 INFO blam! 11f70bbb5f971656db936db05455af02d8489451686cd8d81ba5d5d4ed084486
Sep 19 16:10:04.674 INFO running `"docker" "start" "-a" "11f70bbb5f971656db936db05455af02d8489451686cd8d81ba5d5d4ed084486"`
Sep 19 16:10:05.264 INFO kablam! usermod: no changes
Sep 19 16:10:05.311 INFO kablam!    Compiling verilator v0.1.2
Sep 19 16:10:05.968 INFO kablam!    Compiling verilated v0.1.1 (/source)
Sep 19 16:10:06.847 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (/source)`
Sep 19 16:10:06.847 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-917ef106e2a87d9e/build-script-build` (exit code: 101)
Sep 19 16:10:06.847 INFO kablam! --- stderr
Sep 19 16:10:06.847 INFO kablam! thread 'main' panicked at '
Sep 19 16:10:06.847 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Sep 19 16:10:06.847 INFO kablam! 
Sep 19 16:10:06.847 INFO kablam! build script failed, must exit now', build.rs:16:5
Sep 19 16:10:06.847 INFO kablam! stack backtrace:
Sep 19 16:10:06.847 INFO kablam!    0:     0x55fddbbb375e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h30b7df3ff3ebc526
Sep 19 16:10:06.847 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 19 16:10:06.847 INFO kablam!    1:     0x55fddbba38d6 - std::sys_common::backtrace::print::hc6a3affd651da617
Sep 19 16:10:06.847 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 19 16:10:06.847 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 19 16:10:06.847 INFO kablam!    2:     0x55fddbba1cbd - std::panicking::default_hook::{{closure}}::h24bcdc46ff1bdd94
Sep 19 16:10:06.847 INFO kablam!                                at libstd/panicking.rs:211
Sep 19 16:10:06.847 INFO kablam!    3:     0x55fddbba1a30 - std::panicking::default_hook::h5357f8ba3cb65742
Sep 19 16:10:06.847 INFO kablam!                                at libstd/panicking.rs:227
Sep 19 16:10:06.847 INFO kablam!    4:     0x55fddbba232c - std::panicking::rust_panic_with_hook::h65b641598223039e
Sep 19 16:10:06.847 INFO kablam!                                at libstd/panicking.rs:477
Sep 19 16:10:06.847 INFO kablam!    5:     0x55fddbba1f29 - std::panicking::continue_panic_fmt::h192f6492adc3fcba
Sep 19 16:10:06.847 INFO kablam!                                at libstd/panicking.rs:391
Sep 19 16:10:06.847 INFO kablam!    6:     0x55fddbba1e8d - std::panicking::begin_panic_fmt::he46641892af93567
Sep 19 16:10:06.847 INFO kablam!                                at libstd/panicking.rs:346
Sep 19 16:10:06.847 INFO kablam!    7:     0x55fddbb22ea1 - build_script_build::fail::h5cc46dec616a1a2f
Sep 19 16:10:06.847 INFO kablam!                                at /source/build.rs:16
Sep 19 16:10:06.847 INFO kablam!    8:     0x55fddbb22f2b - build_script_build::main::h7d74fa855f630d13
Sep 19 16:10:06.847 INFO kablam!                                at /source/build.rs:71
Sep 19 16:10:06.847 INFO kablam!    9:     0x55fddbb2491f - std::rt::lang_start::{{closure}}::he386f532a469725c
Sep 19 16:10:06.847 INFO kablam!                                at libstd/rt.rs:74
Sep 19 16:10:06.847 INFO kablam!   10:     0x55fddbba1dc2 - std::panicking::try::do_call::h817ce9e4aa46557f
Sep 19 16:10:06.847 INFO kablam!                                at libstd/rt.rs:59
Sep 19 16:10:06.847 INFO kablam!                                at libstd/panicking.rs:310
Sep 19 16:10:06.847 INFO kablam!   11:     0x55fddbbc6239 - __rust_maybe_catch_panic
Sep 19 16:10:06.847 INFO kablam!                                at libpanic_unwind/lib.rs:102
Sep 19 16:10:06.847 INFO kablam!   12:     0x55fddbbaef75 - std::rt::lang_start_internal::h74522e2641913464
Sep 19 16:10:06.847 INFO kablam!                                at libstd/panicking.rs:289
Sep 19 16:10:06.847 INFO kablam!                                at libstd/panic.rs:392
Sep 19 16:10:06.847 INFO kablam!                                at libstd/rt.rs:58
Sep 19 16:10:06.847 INFO kablam!   13:     0x55fddbb248f7 - std::rt::lang_start::hf6a28d3121d4739d
Sep 19 16:10:06.847 INFO kablam!                                at libstd/rt.rs:74
Sep 19 16:10:06.847 INFO kablam!   14:     0x55fddbb23939 - main
Sep 19 16:10:06.847 INFO kablam!   15:     0x7f1190e8682f - __libc_start_main
Sep 19 16:10:06.847 INFO kablam!   16:     0x55fddbb21818 - _start
Sep 19 16:10:06.847 INFO kablam!   17:                0x0 - <unknown>
Sep 19 16:10:06.848 INFO kablam! 
Sep 19 16:10:06.849 INFO kablam! su: No module specific data is present
Sep 19 16:10:07.703 INFO running `"docker" "rm" "-f" "11f70bbb5f971656db936db05455af02d8489451686cd8d81ba5d5d4ed084486"`
Sep 19 16:10:08.054 INFO blam! 11f70bbb5f971656db936db05455af02d8489451686cd8d81ba5d5d4ed084486