[INFO] fetching crate narvie-processor 0.3.3...
[INFO] checking narvie-processor-0.3.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate narvie-processor 0.3.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate narvie-processor 0.3.3 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate narvie-processor 0.3.3
[INFO] finished tweaking crates.io crate narvie-processor 0.3.3
[INFO] tweaked toml for crates.io crate narvie-processor 0.3.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b43acdcdce9fd7e56c0b242a29eae8b204ac0d2ce0e37c0381468fb2f903a9ae
[INFO] running `Command { std: "docker" "start" "-a" "b43acdcdce9fd7e56c0b242a29eae8b204ac0d2ce0e37c0381468fb2f903a9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b43acdcdce9fd7e56c0b242a29eae8b204ac0d2ce0e37c0381468fb2f903a9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43acdcdce9fd7e56c0b242a29eae8b204ac0d2ce0e37c0381468fb2f903a9ae", kill_on_drop: false }`
[INFO] [stdout] b43acdcdce9fd7e56c0b242a29eae8b204ac0d2ce0e37c0381468fb2f903a9ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2540643422fde10f3a3bac266db9c701689e0e7cb66f9eefa61f6772f7f9dfea
[INFO] running `Command { std: "docker" "start" "-a" "2540643422fde10f3a3bac266db9c701689e0e7cb66f9eefa61f6772f7f9dfea", kill_on_drop: false }`
[INFO] [stderr]    Compiling narvie-processor v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `narvie-processor v0.3.3 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/narvie-processor-3cc907fee2b7c91e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   verilator \
[INFO] [stderr]   	-Wall \
[INFO] [stderr]   	--cc /opt/rustwide/workdir/simulator-src/top_sim.v /opt/rustwide/workdir/sail/verilog/mux2to1.v		/opt/rustwide/workdir/sail/verilog/alu_control.v /opt/rustwide/workdir/sail/verilog/pipeline_registers.v	/opt/rustwide/workdir/sail/verilog/alu.v /opt/rustwide/workdir/sail/verilog/program_counter.v	/opt/rustwide/workdir/sail/verilog/branch_decide.v /opt/rustwide/workdir/sail/verilog/forwarding_unit.v	/opt/rustwide/workdir/sail/verilog/branch_predictor.v /opt/rustwide/workdir/sail/verilog/imm_gen.v		/opt/rustwide/workdir/sail/verilog/control_unit.v /opt/rustwide/workdir/sail/verilog/adder.v			/opt/rustwide/workdir/sail/verilog/CSR_iCE40UP5K.v /opt/rustwide/workdir/sail/verilog/dataMem_mask_gen.v			/opt/rustwide/workdir/peripherals/uart-tx/baudgen_tx.v			/opt/rustwide/workdir/peripherals/uart-tx/uart_tx.v /opt/rustwide/workdir/peripherals/uart-rx/baudgen_rx.v			/opt/rustwide/workdir/peripherals/uart-rx/uart_rx.v /opt/rustwide/workdir/narvie-verilog/cpu.v			/opt/rustwide/workdir/narvie-verilog/rx_instruction.v /opt/rustwide/workdir/narvie-verilog/main.v		/opt/rustwide/workdir/narvie-verilog/uart_regfile.v /opt/rustwide/workdir/narvie-verilog/data_memory_iCE40UP5K.v /opt/rustwide/workdir/sail/config.vlt \
[INFO] [stderr]   	-I/opt/rustwide/workdir/peripherals/uart-rx \
[INFO] [stderr]   	--prefix Vnarvie \
[INFO] [stderr]   	--cc /opt/rustwide/workdir/simulator-src/main.cpp /opt/rustwide/workdir/simulator-src/testbench.cpp /opt/rustwide/workdir/simulator-src/uartsim.cpp \
[INFO] [stderr]   	--exe \
[INFO] [stderr]   	-Mdir /opt/rustwide/target/debug/build/narvie-processor-96c606e70ecb7b04/out \
[INFO] [stderr]   	-CFLAGS "-std=c++11 -g -O3 -fPIC -Wall -Werror"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   /bin/sh: 1: verilator: not found
[INFO] [stderr]   make: *** [Makefile:48: /opt/rustwide/target/debug/build/narvie-processor-96c606e70ecb7b04/out/libvnarvie.a] Error 127
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: output.status.success()', build.rs:18:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55da2df98480 - std::backtrace_rs::backtrace::libunwind::trace::h4e80f45db05e9df0
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55da2df98480 - std::backtrace_rs::backtrace::trace_unsynchronized::h9db62a3d3587f6c3
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55da2df98480 - std::sys_common::backtrace::_print_fmt::h2fafbe52c9090591
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55da2df98480 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7d41ae04358c516d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55da2dfb596c - core::fmt::write::h968e6400cbc51d6a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x55da2df96295 - std::io::Write::write_fmt::h2eaa97c6f8c9e829
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/io/mod.rs:1642:15
[INFO] [stderr]      6:     0x55da2df9a0ab - std::sys_common::backtrace::_print::h601a6bc581f240d5
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55da2df9a0ab - std::sys_common::backtrace::print::h8b96e15ba64b8e64
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55da2df9a0ab - std::panicking::default_hook::{{closure}}::h94fa9d2f08c20620
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55da2df99b81 - std::panicking::default_hook::h6d463f5a2e9d9986
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55da2df9a774 - std::panicking::rust_panic_with_hook::h1e953652a338573e
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55da2df9a227 - std::panicking::begin_panic_handler::{{closure}}::h78bf2fec525c238a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:517:13
[INFO] [stderr]     12:     0x55da2df9897c - std::sys_common::backtrace::__rust_end_short_backtrace::h651eb6282e4ea6b2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55da2df9a1b9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55da2df7f1f1 - core::panicking::panic_fmt::hdfd0360cedf2d908
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55da2df7f13d - core::panicking::panic::h607cffdabb38afd3
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55da2df84efe - build_script_build::main::h73051b728a263821
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:18:5
[INFO] [stderr]     17:     0x55da2df82b7b - core::ops::function::FnOnce::call_once::h6309d16d819b87d9
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x55da2df81a0e - std::sys_common::backtrace::__rust_begin_short_backtrace::hc5322d1b7aba92ac
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x55da2df81aa1 - std::rt::lang_start::{{closure}}::h1ac8df300e7bf0d7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:63:18
[INFO] [stderr]     20:     0x55da2df9ac7a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hccffb0872f46e99d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x55da2df9ac7a - std::panicking::try::do_call::h814e0410256bb9f2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     22:     0x55da2df9ac7a - std::panicking::try::h97cbec2057cc2c0d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     23:     0x55da2df9ac7a - std::panic::catch_unwind::h964f35f6fa41d1d7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     24:     0x55da2df9ac7a - std::rt::lang_start_internal::{{closure}}::hb97931cf27086d8b
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:48
[INFO] [stderr]     25:     0x55da2df9ac7a - std::panicking::try::do_call::hf0d61be342e8297a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     26:     0x55da2df9ac7a - std::panicking::try::h6b40eeb22db57b23
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     27:     0x55da2df9ac7a - std::panic::catch_unwind::h425af95fffdb0cf5
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     28:     0x55da2df9ac7a - std::rt::lang_start_internal::h21e355575f2fedc7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:20
[INFO] [stderr]     29:     0x55da2df81a70 - std::rt::lang_start::h8f847d17149c2ebf
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:62:5
[INFO] [stderr]     30:     0x55da2df84fac - main
[INFO] [stderr]     31:     0x7fa60b4960b3 - __libc_start_main
[INFO] [stderr]     32:     0x55da2df7f94e - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2540643422fde10f3a3bac266db9c701689e0e7cb66f9eefa61f6772f7f9dfea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2540643422fde10f3a3bac266db9c701689e0e7cb66f9eefa61f6772f7f9dfea", kill_on_drop: false }`
[INFO] [stdout] 2540643422fde10f3a3bac266db9c701689e0e7cb66f9eefa61f6772f7f9dfea