Sep 21 01:02:54.249 INFO checking verilated-0.1.1 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 01:02:54.249 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 01:02:54.249 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-5/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 01:02:54.444 INFO blam! 51e2d6d42eaf30decd0814be6905f6ea81e41d86a55b0a6f2fdc5a5bb40fbbd1
Sep 21 01:02:54.446 INFO running `"docker" "start" "-a" "51e2d6d42eaf30decd0814be6905f6ea81e41d86a55b0a6f2fdc5a5bb40fbbd1"`
Sep 21 01:02:55.114 INFO kablam! usermod: no changes
Sep 21 01:02:55.141 INFO kablam!    Compiling verilator v0.1.2
Sep 21 01:02:55.589 INFO kablam!    Compiling verilated v0.1.1 (/source)
Sep 21 01:02:56.331 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (/source)`
Sep 21 01:02:56.331 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-555e51c68a5756be/build-script-build` (exit code: 101)
Sep 21 01:02:56.331 INFO kablam! --- stderr
Sep 21 01:02:56.331 INFO kablam! thread 'main' panicked at '
Sep 21 01:02:56.331 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Sep 21 01:02:56.331 INFO kablam! 
Sep 21 01:02:56.331 INFO kablam! build script failed, must exit now', build.rs:16:5
Sep 21 01:02:56.332 INFO kablam! stack backtrace:
Sep 21 01:02:56.332 INFO kablam!    0:     0x557a839cecfe - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6f03e345e7220f71
Sep 21 01:02:56.332 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Sep 21 01:02:56.332 INFO kablam!    1:     0x557a839c0df6 - std::sys_common::backtrace::print::h41236bee57dc6f2f
Sep 21 01:02:56.332 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Sep 21 01:02:56.332 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Sep 21 01:02:56.332 INFO kablam!    2:     0x557a839bf18d - std::panicking::default_hook::{{closure}}::hdccdd5cf822554bd
Sep 21 01:02:56.332 INFO kablam!                                at libstd/panicking.rs:211
Sep 21 01:02:56.332 INFO kablam!    3:     0x557a839bef00 - std::panicking::default_hook::h51e0996e64af4435
Sep 21 01:02:56.332 INFO kablam!                                at libstd/panicking.rs:227
Sep 21 01:02:56.332 INFO kablam!    4:     0x557a839bf7fc - std::panicking::rust_panic_with_hook::hbba83c9bc00efd25
Sep 21 01:02:56.332 INFO kablam!                                at libstd/panicking.rs:477
Sep 21 01:02:56.332 INFO kablam!    5:     0x557a839bf3f9 - std::panicking::continue_panic_fmt::ha190502cef7433c2
Sep 21 01:02:56.332 INFO kablam!                                at libstd/panicking.rs:391
Sep 21 01:02:56.332 INFO kablam!    6:     0x557a839bf35d - std::panicking::begin_panic_fmt::hb55432431a8c3fd8
Sep 21 01:02:56.332 INFO kablam!                                at libstd/panicking.rs:346
Sep 21 01:02:56.332 INFO kablam!    7:     0x557a8393df01 - build_script_build::fail::h9cd748e64bb00b4d
Sep 21 01:02:56.332 INFO kablam!                                at /source/build.rs:16
Sep 21 01:02:56.332 INFO kablam!    8:     0x557a8393df8b - build_script_build::main::hfe4f134140eb0697
Sep 21 01:02:56.332 INFO kablam!                                at /source/build.rs:71
Sep 21 01:02:56.332 INFO kablam!    9:     0x557a8393f97f - std::rt::lang_start::{{closure}}::ha3e47a731eb1db87
Sep 21 01:02:56.332 INFO kablam!                                at libstd/rt.rs:74
Sep 21 01:02:56.332 INFO kablam!   10:     0x557a839bf292 - std::panicking::try::do_call::h5d32e7529efe730f
Sep 21 01:02:56.332 INFO kablam!                                at libstd/rt.rs:59
Sep 21 01:02:56.332 INFO kablam!                                at libstd/panicking.rs:310
Sep 21 01:02:56.332 INFO kablam!   11:     0x557a839e1489 - __rust_maybe_catch_panic
Sep 21 01:02:56.332 INFO kablam!                                at libpanic_unwind/lib.rs:102
Sep 21 01:02:56.332 INFO kablam!   12:     0x557a839cb525 - std::rt::lang_start_internal::hc5e2e4826ae19193
Sep 21 01:02:56.332 INFO kablam!                                at libstd/panicking.rs:289
Sep 21 01:02:56.332 INFO kablam!                                at libstd/panic.rs:392
Sep 21 01:02:56.332 INFO kablam!                                at libstd/rt.rs:58
Sep 21 01:02:56.332 INFO kablam!   13:     0x557a8393f957 - std::rt::lang_start::h63e33cdd5e75200c
Sep 21 01:02:56.332 INFO kablam!                                at libstd/rt.rs:74
Sep 21 01:02:56.332 INFO kablam!   14:     0x557a8393e999 - main
Sep 21 01:02:56.332 INFO kablam!   15:     0x7f5ae3a7d82f - __libc_start_main
Sep 21 01:02:56.332 INFO kablam!   16:     0x557a8393c878 - _start
Sep 21 01:02:56.332 INFO kablam!   17:                0x0 - <unknown>
Sep 21 01:02:56.332 INFO kablam! 
Sep 21 01:02:56.333 INFO kablam! su: No module specific data is present
Sep 21 01:02:56.859 INFO running `"docker" "rm" "-f" "51e2d6d42eaf30decd0814be6905f6ea81e41d86a55b0a6f2fdc5a5bb40fbbd1"`
Sep 21 01:02:56.937 INFO blam! 51e2d6d42eaf30decd0814be6905f6ea81e41d86a55b0a6f2fdc5a5bb40fbbd1