[INFO] cloning repository https://github.com/jkelleyrtp/comparch_labs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkelleyrtp/comparch_labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkelleyrtp%2Fcomparch_labs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkelleyrtp%2Fcomparch_labs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 200a7e80af326d325a30dd97694370115a94964c [INFO] checking jkelleyrtp/comparch_labs against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkelleyrtp%2Fcomparch_labs" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jkelleyrtp/comparch_labs on toolchain fc81ad22c453776de16acf9938976930cf8c9401 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jkelleyrtp/comparch_labs [INFO] finished tweaking git repo https://github.com/jkelleyrtp/comparch_labs [INFO] tweaked toml for git repo https://github.com/jkelleyrtp/comparch_labs written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/jkelleyrtp/comparch_labs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84a8637346ea7c71804d179175131b52308e2ac81370cfd0a637a49e9adf2973 [INFO] running `Command { std: "docker" "start" "-a" "84a8637346ea7c71804d179175131b52308e2ac81370cfd0a637a49e9adf2973", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84a8637346ea7c71804d179175131b52308e2ac81370cfd0a637a49e9adf2973", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84a8637346ea7c71804d179175131b52308e2ac81370cfd0a637a49e9adf2973", kill_on_drop: false }` [INFO] [stdout] 84a8637346ea7c71804d179175131b52308e2ac81370cfd0a637a49e9adf2973 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8eaeba8d4fdd747caca7e1ae6b3db475bccfdd28729de9a890813bc7935a68f [INFO] running `Command { std: "docker" "start" "-a" "e8eaeba8d4fdd747caca7e1ae6b3db475bccfdd28729de9a890813bc7935a68f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.5 [INFO] [stderr] Compiling base-x v0.2.6 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking discard v1.0.4 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Compiling yew v0.10.1 (https://github.com/yewstack/yew/#72ca3bb7) [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Checking quote v0.5.2 [INFO] [stderr] Compiling yew-macro v0.10.1 (https://github.com/yewstack/yew/#72ca3bb7) [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling stdweb v0.4.20 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking verilator v0.1.3 (/opt/rustwide/workdir/rust/backend/verilator) [INFO] [stderr] Checking verilated-module v0.1.1 (/opt/rustwide/workdir/rust/backend/verilated-module) [INFO] [stdout] warning: field is never read: `target` [INFO] [stdout] --> rust/backend/verilator/src/module.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | target: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `target` [INFO] [stdout] --> rust/backend/verilator/src/module.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | target: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `target` [INFO] [stdout] --> rust/backend/verilator/src/module.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | target: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tungstenite v0.9.2 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling verilated v0.1.1 (/opt/rustwide/workdir/rust/backend/verilated) [INFO] [stderr] Compiling cpu_backend v0.1.0 (/opt/rustwide/workdir/rust/cpu_backend) [INFO] [stderr] Compiling example v0.0.0 (/opt/rustwide/workdir/rust/backend/example) [INFO] [stderr] error: failed to run custom build command for `cpu_backend v0.1.0 (/opt/rustwide/workdir/rust/cpu_backend)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/cpu_backend-b4b0dc1344e376d9/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] 12 items [INFO] [stderr] cargo:rerun-if-changed=src/main.rs [INFO] [stderr] running: "verilator_bin" "--getenv" "VERILATOR_ROOT" [INFO] [stderr] verilator root: "" [INFO] [stderr] running: "verilator_bin" "--cc" "-Mdir" "/opt/rustwide/target/debug/build/cpu_backend-1caaee05e3c0e451/out" "--top-module" "top" "--coverage" "--trace" "+1364-2001ext+v" "../backend/example/rtl/counter.v" "+1364-2001ext+v" "../backend/example/rtl/top.v" "/opt/rustwide/target/debug/build/cpu_backend-1caaee05e3c0e451/out/top.cpp" [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at ' [INFO] [stderr] failed to execute command: No such file or directory (os error 2) [INFO] [stderr] is `verilator` not installed? [INFO] [stderr] [INFO] [stderr] build script failed, must exit now', rust/backend/verilator/src/gen.rs:339:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f0e80f29a0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55f0e80f29a0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f0e80f29a0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55f0e80f29a0 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55f0e8112e5c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x55f0e80eef65 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55f0e80f4fcb - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55f0e80f4fcb - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55f0e80f4fcb - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55f0e80f4aa1 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55f0e80f5671 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55f0e80f5177 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55f0e80f2e7c - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55f0e80f50d9 - rust_begin_unwind [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55f0e7ef1c4b - std::panicking::begin_panic_fmt::hdc39c0cc0031e534 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:457:5 [INFO] [stderr] 15: 0x55f0e7f0eb43 - verilator::gen::fail::h426d9f486be10988 [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilator/src/gen.rs:339:5 [INFO] [stderr] 16: 0x55f0e7f0e636 - verilator::gen::run::h9f4e5cf60b5f1920 [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilator/src/gen.rs:316:13 [INFO] [stderr] 17: 0x55f0e7f0c6ba - verilator::gen::Verilator::build::hc790c373aa58ea5a [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilator/src/gen.rs:188:9 [INFO] [stderr] 18: 0x55f0e7ef3646 - build_script_build::main::h8d477945288ff050 [INFO] [stderr] at /opt/rustwide/workdir/rust/cpu_backend/build.rs:29:5 [INFO] [stderr] 19: 0x55f0e7ef2edb - core::ops::function::FnOnce::call_once::h15dc3fb5b403639b [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x55f0e7ef39ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b51f93fdd28ed [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x55f0e7ef3161 - std::rt::lang_start::{{closure}}::h34289345155d4a87 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/rt.rs:49:18 [INFO] [stderr] 22: 0x55f0e80f5b69 - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x55f0e80f5b69 - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:401:40 [INFO] [stderr] 24: 0x55f0e80f5b69 - std::panicking::try::h4beadc19a78fec52 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:365:19 [INFO] [stderr] 25: 0x55f0e80f5b69 - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panic.rs:433:14 [INFO] [stderr] 26: 0x55f0e80f5b69 - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/rt.rs:34:21 [INFO] [stderr] 27: 0x55f0e7ef3140 - std::rt::lang_start::h8be9b2e859472319 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/rt.rs:48:5 [INFO] [stderr] 28: 0x55f0e7ef36bc - main [INFO] [stderr] 29: 0x7fbb145810b3 - __libc_start_main [INFO] [stderr] 30: 0x55f0e7ef2b5e - _start [INFO] [stderr] 31: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e8eaeba8d4fdd747caca7e1ae6b3db475bccfdd28729de9a890813bc7935a68f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8eaeba8d4fdd747caca7e1ae6b3db475bccfdd28729de9a890813bc7935a68f", kill_on_drop: false }` [INFO] [stdout] e8eaeba8d4fdd747caca7e1ae6b3db475bccfdd28729de9a890813bc7935a68f