[INFO] fetching crate narvie-processor 0.3.3...
[INFO] testing narvie-processor-0.3.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate narvie-processor 0.3.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate narvie-processor 0.3.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9e61dbe89aa705ec7cb6fc04ba868d298ad4b4f74500ee7930657a7def8b239
[INFO] running `Command { std: "docker" "start" "-a" "d9e61dbe89aa705ec7cb6fc04ba868d298ad4b4f74500ee7930657a7def8b239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9e61dbe89aa705ec7cb6fc04ba868d298ad4b4f74500ee7930657a7def8b239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e61dbe89aa705ec7cb6fc04ba868d298ad4b4f74500ee7930657a7def8b239", kill_on_drop: false }`
[INFO] [stdout] d9e61dbe89aa705ec7cb6fc04ba868d298ad4b4f74500ee7930657a7def8b239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d059ad54cd1be59cf662d7b4c5139489d646f325d379c65bb466e603a83335cb
[INFO] running `Command { std: "docker" "start" "-a" "d059ad54cd1be59cf662d7b4c5139489d646f325d379c65bb466e603a83335cb", 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-4c8ff31bff699e5b/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-a332debff25627e3/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-a332debff25627e3/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:     0x559021c47250 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x559021c47250 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x559021c47250 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x559021c47250 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he1640d5f0d93f618
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x559021c6445c - core::fmt::write::h88012e1f01caeebf
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x559021c450a5 - std::io::Write::write_fmt::h360fa85b30182555
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x559021c48e8b - std::sys_common::backtrace::_print::ha1f00492f406a015
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x559021c48e8b - std::sys_common::backtrace::print::hd54561b13feb6af3
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x559021c48e8b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x559021c48961 - std::panicking::default_hook::h5a8e74a76ce290a7
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x559021c49554 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x559021c49007 - std::panicking::begin_panic_handler::{{closure}}::h33f9c1b96af300d7
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:517:13
[INFO] [stderr]     12:     0x559021c4774c - std::sys_common::backtrace::__rust_end_short_backtrace::h51bae64be5921f0e
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x559021c48f99 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x559021c2e1d1 - core::panicking::panic_fmt::h12a3a3c256485fca
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x559021c2e11d - core::panicking::panic::h344f23ad26057b48
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x559021c33e9e - build_script_build::main::h1f50c92b2daa8eba
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:18:5
[INFO] [stderr]     17:     0x559021c31b4b - core::ops::function::FnOnce::call_once::h64238a478c67c78f
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x559021c309ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h1033277bc1aaefa8
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x559021c30a81 - std::rt::lang_start::{{closure}}::hf8855602140ce6d4
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:63:18
[INFO] [stderr]     20:     0x559021c49a5a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha9408abe89f69dc4
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x559021c49a5a - std::panicking::try::do_call::h5b0cc9e9102acb65
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     22:     0x559021c49a5a - std::panicking::try::hddc7f8229138b3ba
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     23:     0x559021c49a5a - std::panic::catch_unwind::hfa401ff8bab2986e
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14
[INFO] [stderr]     24:     0x559021c49a5a - std::rt::lang_start_internal::{{closure}}::h8163422320d11405
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:48
[INFO] [stderr]     25:     0x559021c49a5a - std::panicking::try::do_call::hc742cc7bb4f0fb20
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     26:     0x559021c49a5a - std::panicking::try::ha37d8d2dd1acf7d3
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     27:     0x559021c49a5a - std::panic::catch_unwind::h8a5381d5ecf437bc
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14
[INFO] [stderr]     28:     0x559021c49a5a - std::rt::lang_start_internal::h7e2cee8c90d4a4d3
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:20
[INFO] [stderr]     29:     0x559021c30a50 - std::rt::lang_start::hc88a350e55a67ed8
[INFO] [stderr]                                  at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:62:5
[INFO] [stderr]     30:     0x559021c33f4c - main
[INFO] [stderr]     31:     0x7f1df7bb20b3 - __libc_start_main
[INFO] [stderr]     32:     0x559021c2e92e - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "d059ad54cd1be59cf662d7b4c5139489d646f325d379c65bb466e603a83335cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d059ad54cd1be59cf662d7b4c5139489d646f325d379c65bb466e603a83335cb", kill_on_drop: false }`
[INFO] [stdout] d059ad54cd1be59cf662d7b4c5139489d646f325d379c65bb466e603a83335cb