Aug 10 22:46:11.172 INFO checking verilated-0.1.1 against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 10 22:46:11.172 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 22:46:11.172 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 22:46:11.172 INFO running `"docker" "create" "-v" "/tmp/crater.wjaV3drB2CNH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 22:46:11.423 INFO blam! bc582da907e92a353f33930a3746099672c72dd31176533fb15f280dfdf0072f
Aug 10 22:46:11.425 INFO running `"docker" "start" "-a" "bc582da907e92a353f33930a3746099672c72dd31176533fb15f280dfdf0072f"`
Aug 10 22:46:12.317 INFO kablam!    Compiling verilator v0.1.1
Aug 10 22:46:13.567 INFO kablam!    Compiling verilated v0.1.1 (file:///source)
Aug 10 22:46:15.242 INFO kablam! error: failed to run custom build command for `verilated v0.1.1 (file:///source)`
Aug 10 22:46:15.242 INFO kablam! process didn't exit successfully: `/target/debug/build/verilated-f9fc36d57db248e7/build-script-build` (exit code: 101)
Aug 10 22:46:15.242 INFO kablam! --- stderr
Aug 10 22:46:15.242 INFO kablam! thread 'main' panicked at '
Aug 10 22:46:15.242 INFO kablam! Failed to find `${VERILATOR_ROOT}`.  Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`.
Aug 10 22:46:15.242 INFO kablam! 
Aug 10 22:46:15.242 INFO kablam! build script failed, must exit now', build.rs:16:5
Aug 10 22:46:15.242 INFO kablam! stack backtrace:
Aug 10 22:46:15.242 INFO kablam!    0:     0x564fb7ed3bde - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h56b478bd6261cdea
Aug 10 22:46:15.242 INFO kablam!                                at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
Aug 10 22:46:15.242 INFO kablam!    1:     0x564fb7ec88a6 - std::sys_common::backtrace::print::h8838f036695641c1
Aug 10 22:46:15.242 INFO kablam!                                at libstd/sys_common/backtrace.rs:71
Aug 10 22:46:15.242 INFO kablam!                                at libstd/sys_common/backtrace.rs:59
Aug 10 22:46:15.242 INFO kablam!    2:     0x564fb7ec486d - std::panicking::default_hook::{{closure}}::h07e37170271eb3a7
Aug 10 22:46:15.242 INFO kablam!                                at libstd/panicking.rs:211
Aug 10 22:46:15.242 INFO kablam!    3:     0x564fb7ec45e0 - std::panicking::default_hook::h1ad13ac34d74cb6f
Aug 10 22:46:15.242 INFO kablam!                                at libstd/panicking.rs:227
Aug 10 22:46:15.242 INFO kablam!    4:     0x564fb7ec4edc - std::panicking::rust_panic_with_hook::h07b48b4bcd79aad0
Aug 10 22:46:15.242 INFO kablam!                                at libstd/panicking.rs:475
Aug 10 22:46:15.242 INFO kablam!    5:     0x564fb7ec4ad9 - std::panicking::continue_panic_fmt::hc4081a7dfb4b8a83
Aug 10 22:46:15.242 INFO kablam!                                at libstd/panicking.rs:390
Aug 10 22:46:15.243 INFO kablam!    6:     0x564fb7ec4a3d - std::panicking::begin_panic_fmt::hfb0d818a6c651056
Aug 10 22:46:15.243 INFO kablam!                                at libstd/panicking.rs:345
Aug 10 22:46:15.243 INFO kablam!    7:     0x564fb7e51ff1 - build_script_build::fail::h4629601bc15e2adf
Aug 10 22:46:15.243 INFO kablam!                                at /source/build.rs:16
Aug 10 22:46:15.243 INFO kablam!    8:     0x564fb7e5207d - build_script_build::main::he2f3909fcf654d8e
Aug 10 22:46:15.243 INFO kablam!                                at /source/build.rs:71
Aug 10 22:46:15.243 INFO kablam!    9:     0x564fb7e53a0f - std::rt::lang_start::{{closure}}::h59a76132b7c3f9ce
Aug 10 22:46:15.243 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 10 22:46:15.243 INFO kablam!   10:     0x564fb7ec4972 - std::panicking::try::do_call::haa9e0167fafd552a
Aug 10 22:46:15.243 INFO kablam!                                at libstd/rt.rs:59
Aug 10 22:46:15.243 INFO kablam!                                at libstd/panicking.rs:310
Aug 10 22:46:15.243 INFO kablam!   11:     0x564fb7ee66f9 - __rust_maybe_catch_panic
Aug 10 22:46:15.243 INFO kablam!                                at libpanic_unwind/lib.rs:105
Aug 10 22:46:15.243 INFO kablam!   12:     0x564fb7ecea05 - std::rt::lang_start_internal::hfce2f8e9f7e3c6bc
Aug 10 22:46:15.243 INFO kablam!                                at libstd/panicking.rs:289
Aug 10 22:46:15.243 INFO kablam!                                at libstd/panic.rs:392
Aug 10 22:46:15.243 INFO kablam!                                at libstd/rt.rs:58
Aug 10 22:46:15.243 INFO kablam!   13:     0x564fb7e539e7 - std::rt::lang_start::h9a08b86dca7c921d
Aug 10 22:46:15.243 INFO kablam!                                at /checkout/src/libstd/rt.rs:74
Aug 10 22:46:15.243 INFO kablam!   14:     0x564fb7e52ac9 - main
Aug 10 22:46:15.243 INFO kablam!   15:     0x7f9a706fd82f - __libc_start_main
Aug 10 22:46:15.243 INFO kablam!   16:     0x564fb7e50968 - _start
Aug 10 22:46:15.243 INFO kablam!   17:                0x0 - <unknown>
Aug 10 22:46:15.243 INFO kablam! 
Aug 10 22:46:15.246 INFO kablam! su: No module specific data is present
Aug 10 22:46:15.791 INFO running `"docker" "rm" "-f" "bc582da907e92a353f33930a3746099672c72dd31176533fb15f280dfdf0072f"`
Aug 10 22:46:15.941 INFO blam! bc582da907e92a353f33930a3746099672c72dd31176533fb15f280dfdf0072f