Sep 19 18:13:33.046 INFO checking verilated-0.1.1 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 18:13:33.046 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 18:13:33.047 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 18:13:33.263 INFO blam! 2b3865659163d0237290d819aabd48b7be434f55f02b9834917457580a10084e
Sep 19 18:13:33.263 INFO running `"docker" "start" "-a" "2b3865659163d0237290d819aabd48b7be434f55f02b9834917457580a10084e"`
Sep 19 18:13:33.819 INFO kablam! usermod: no changes
Sep 19 18:13:33.850 INFO kablam!    Compiling verilator v0.1.2
Sep 19 18:13:34.336 INFO kablam!    Compiling verilated v0.1.1 (/source)
Sep 19 18:13:35.135 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (/source)`
Sep 19 18:13:35.136 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-d735b09fbb06c071/build-script-build` (exit code: 101)
Sep 19 18:13:35.136 INFO kablam! --- stderr
Sep 19 18:13:35.136 INFO kablam! thread 'main' panicked at '
Sep 19 18:13:35.136 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Sep 19 18:13:35.136 INFO kablam! 
Sep 19 18:13:35.136 INFO kablam! build script failed, must exit now', build.rs:16:5
Sep 19 18:13:35.136 INFO kablam! stack backtrace:
Sep 19 18:13:35.136 INFO kablam!    0:     0x55ff5ac9976e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hf109cffeb5c37bed
Sep 19 18:13:35.136 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 19 18:13:35.136 INFO kablam!    1:     0x55ff5ac898e6 - std::sys_common::backtrace::print::h4afa12dd16372edf
Sep 19 18:13:35.136 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 19 18:13:35.136 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 19 18:13:35.136 INFO kablam!    2:     0x55ff5ac87ccd - std::panicking::default_hook::{{closure}}::ha3565edfa2d8a8f7
Sep 19 18:13:35.136 INFO kablam!                                at libstd/panicking.rs:211
Sep 19 18:13:35.136 INFO kablam!    3:     0x55ff5ac87a40 - std::panicking::default_hook::h68592964d2f4a1f7
Sep 19 18:13:35.136 INFO kablam!                                at libstd/panicking.rs:227
Sep 19 18:13:35.136 INFO kablam!    4:     0x55ff5ac8833c - std::panicking::rust_panic_with_hook::h33d0ce8157f9a0b5
Sep 19 18:13:35.136 INFO kablam!                                at libstd/panicking.rs:477
Sep 19 18:13:35.136 INFO kablam!    5:     0x55ff5ac87f39 - std::panicking::continue_panic_fmt::hbe179dc3877c8fe2
Sep 19 18:13:35.136 INFO kablam!                                at libstd/panicking.rs:391
Sep 19 18:13:35.136 INFO kablam!    6:     0x55ff5ac87e9d - std::panicking::begin_panic_fmt::hcc5c596dd2a517d7
Sep 19 18:13:35.136 INFO kablam!                                at libstd/panicking.rs:346
Sep 19 18:13:35.136 INFO kablam!    7:     0x55ff5ac08ea1 - build_script_build::fail::h4554ab683696e13f
Sep 19 18:13:35.136 INFO kablam!                                at /source/build.rs:16
Sep 19 18:13:35.136 INFO kablam!    8:     0x55ff5ac08f2b - build_script_build::main::hada1244f478695be
Sep 19 18:13:35.136 INFO kablam!                                at /source/build.rs:71
Sep 19 18:13:35.136 INFO kablam!    9:     0x55ff5ac0a91f - std::rt::lang_start::{{closure}}::h9bcdcb29ae086e61
Sep 19 18:13:35.136 INFO kablam!                                at libstd/rt.rs:74
Sep 19 18:13:35.136 INFO kablam!   10:     0x55ff5ac87dd2 - std::panicking::try::do_call::h7aef401f0d6f2817
Sep 19 18:13:35.136 INFO kablam!                                at libstd/rt.rs:59
Sep 19 18:13:35.136 INFO kablam!                                at libstd/panicking.rs:310
Sep 19 18:13:35.136 INFO kablam!   11:     0x55ff5acabc89 - __rust_maybe_catch_panic
Sep 19 18:13:35.136 INFO kablam!                                at libpanic_unwind/lib.rs:102
Sep 19 18:13:35.136 INFO kablam!   12:     0x55ff5ac94f85 - std::rt::lang_start_internal::hd57f65710f093de9
Sep 19 18:13:35.136 INFO kablam!                                at libstd/panicking.rs:289
Sep 19 18:13:35.136 INFO kablam!                                at libstd/panic.rs:392
Sep 19 18:13:35.136 INFO kablam!                                at libstd/rt.rs:58
Sep 19 18:13:35.136 INFO kablam!   13:     0x55ff5ac0a8f7 - std::rt::lang_start::h6a2484bc647065d1
Sep 19 18:13:35.136 INFO kablam!                                at libstd/rt.rs:74
Sep 19 18:13:35.136 INFO kablam!   14:     0x55ff5ac09939 - main
Sep 19 18:13:35.136 INFO kablam!   15:     0x7fbd3736682f - __libc_start_main
Sep 19 18:13:35.136 INFO kablam!   16:     0x55ff5ac07818 - _start
Sep 19 18:13:35.136 INFO kablam!   17:                0x0 - <unknown>
Sep 19 18:13:35.136 INFO kablam! 
Sep 19 18:13:35.137 INFO kablam! su: No module specific data is present
Sep 19 18:13:35.552 INFO running `"docker" "rm" "-f" "2b3865659163d0237290d819aabd48b7be434f55f02b9834917457580a10084e"`
Sep 19 18:13:35.644 INFO blam! 2b3865659163d0237290d819aabd48b7be434f55f02b9834917457580a10084e