Aug 29 22:39:58.280 INFO checking verilated-0.1.1 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 29 22:39:58.280 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 29 22:39:58.280 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 22:39:58.445 INFO blam! c28ca1cdc55b2a5f1eb7236553c1c09d1a618b6de6053db8c8006cd36fd3e241
Aug 29 22:39:58.447 INFO running `"docker" "start" "-a" "c28ca1cdc55b2a5f1eb7236553c1c09d1a618b6de6053db8c8006cd36fd3e241"`
Aug 29 22:39:59.062 INFO kablam!    Compiling verilator v0.1.1
Aug 29 22:39:59.659 INFO kablam!    Compiling verilated v0.1.1 (file:///source)
Aug 29 22:40:00.535 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (file:///source)`
Aug 29 22:40:00.535 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-12e694a3ba2b3d93/build-script-build` (exit code: 101)
Aug 29 22:40:00.535 INFO kablam! --- stderr
Aug 29 22:40:00.535 INFO kablam! thread 'main' panicked at '
Aug 29 22:40:00.535 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Aug 29 22:40:00.535 INFO kablam! 
Aug 29 22:40:00.535 INFO kablam! build script failed, must exit now', build.rs:16:5
Aug 29 22:40:00.535 INFO kablam! stack backtrace:
Aug 29 22:40:00.535 INFO kablam!    0:     0x55e9c6de3d0e - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h1e2c8a158f82a771
Aug 29 22:40:00.535 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Aug 29 22:40:00.535 INFO kablam!    1:     0x55e9c6dd3bb6 - std::sys_common::backtrace::print::h20354399b6248400
Aug 29 22:40:00.535 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Aug 29 22:40:00.535 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Aug 29 22:40:00.535 INFO kablam!    2:     0x55e9c6dd1f6d - std::panicking::default_hook::{{closure}}::h27a2dbd1311dde15
Aug 29 22:40:00.535 INFO kablam!                                at libstd/panicking.rs:211
Aug 29 22:40:00.536 INFO kablam!    3:     0x55e9c6dd1ce0 - std::panicking::default_hook::hbb219006758dbd2e
Aug 29 22:40:00.536 INFO kablam!                                at libstd/panicking.rs:227
Aug 29 22:40:00.536 INFO kablam!    4:     0x55e9c6dd25dc - std::panicking::rust_panic_with_hook::h54ff8ddef2df49c5
Aug 29 22:40:00.536 INFO kablam!                                at libstd/panicking.rs:476
Aug 29 22:40:00.536 INFO kablam!    5:     0x55e9c6dd21d9 - std::panicking::continue_panic_fmt::hd3ab0516fdd5f4c7
Aug 29 22:40:00.536 INFO kablam!                                at libstd/panicking.rs:390
Aug 29 22:40:00.536 INFO kablam!    6:     0x55e9c6dd213d - std::panicking::begin_panic_fmt::h44f23a48e1e8d078
Aug 29 22:40:00.536 INFO kablam!                                at libstd/panicking.rs:345
Aug 29 22:40:00.536 INFO kablam!    7:     0x55e9c6d5af51 - build_script_build::fail::h017183ca7b56af53
Aug 29 22:40:00.536 INFO kablam!                                at /source/build.rs:16
Aug 29 22:40:00.536 INFO kablam!    8:     0x55e9c6d5afdd - build_script_build::main::hd8da0937127c79a3
Aug 29 22:40:00.536 INFO kablam!                                at /source/build.rs:71
Aug 29 22:40:00.536 INFO kablam!    9:     0x55e9c6d5c99f - std::rt::lang_start::{{closure}}::h2ce8b6983435107b
Aug 29 22:40:00.536 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 29 22:40:00.536 INFO kablam!   10:     0x55e9c6dd2072 - std::panicking::try::do_call::he8e7cb1df85bccd2
Aug 29 22:40:00.536 INFO kablam!                                at libstd/rt.rs:59
Aug 29 22:40:00.536 INFO kablam!                                at libstd/panicking.rs:310
Aug 29 22:40:00.536 INFO kablam!   11:     0x55e9c6df5689 - __rust_maybe_catch_panic
Aug 29 22:40:00.537 INFO kablam!                                at libpanic_unwind/lib.rs:102
Aug 29 22:40:00.537 INFO kablam!   12:     0x55e9c6ddf495 - std::rt::lang_start_internal::h3de9d74037683c14
Aug 29 22:40:00.537 INFO kablam!                                at libstd/panicking.rs:289
Aug 29 22:40:00.537 INFO kablam!                                at libstd/panic.rs:392
Aug 29 22:40:00.537 INFO kablam!                                at libstd/rt.rs:58
Aug 29 22:40:00.537 INFO kablam!   13:     0x55e9c6d5c977 - std::rt::lang_start::ha386c28151202963
Aug 29 22:40:00.537 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 29 22:40:00.537 INFO kablam!   14:     0x55e9c6d5ba29 - main
Aug 29 22:40:00.537 INFO kablam!   15:     0x7ff77620082f - __libc_start_main
Aug 29 22:40:00.537 INFO kablam!   16:     0x55e9c6d598c8 - _start
Aug 29 22:40:00.537 INFO kablam!   17:                0x0 - <unknown>
Aug 29 22:40:00.537 INFO kablam! 
Aug 29 22:40:00.537 INFO kablam! su: No module specific data is present
Aug 29 22:40:00.915 INFO running `"docker" "rm" "-f" "c28ca1cdc55b2a5f1eb7236553c1c09d1a618b6de6053db8c8006cd36fd3e241"`
Aug 29 22:40:01.013 INFO blam! c28ca1cdc55b2a5f1eb7236553c1c09d1a618b6de6053db8c8006cd36fd3e241