[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#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkelleyrtp%2Fcomparch_labs" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jkelleyrtp/comparch_labs on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11a37c8f381f348dc9cb3ac1958cabae86e81e0549e9e65abebe5f82f3f756a2 [INFO] running `Command { std: "docker" "start" "-a" "11a37c8f381f348dc9cb3ac1958cabae86e81e0549e9e65abebe5f82f3f756a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11a37c8f381f348dc9cb3ac1958cabae86e81e0549e9e65abebe5f82f3f756a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11a37c8f381f348dc9cb3ac1958cabae86e81e0549e9e65abebe5f82f3f756a2", kill_on_drop: false }` [INFO] [stdout] 11a37c8f381f348dc9cb3ac1958cabae86e81e0549e9e65abebe5f82f3f756a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 893319e0348c540be320e84f858e70150102f915852671826b19b62fd78cf969 [INFO] running `Command { std: "docker" "start" "-a" "893319e0348c540be320e84f858e70150102f915852671826b19b62fd78cf969", 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 libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.5 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling base-x v0.2.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking discard v1.0.4 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling yew v0.10.1 (https://github.com/yewstack/yew/#72ca3bb7) [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking slab v0.4.2 [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 unicode-bidi v0.3.4 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking quote v0.5.2 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling yew-macro v0.10.1 (https://github.com/yewstack/yew/#72ca3bb7) [INFO] [stderr] Checking syn v0.13.11 [INFO] [stderr] Compiling stdweb v0.4.20 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling verilator v0.1.3 (/opt/rustwide/workdir/rust/backend/verilator) [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] Compiling synstructure v0.12.3 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tungstenite v0.9.2 [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: 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [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] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] error: failed to run custom build command for `example v0.0.0 (/opt/rustwide/workdir/rust/backend/example)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/example-5f09bcba44dab381/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] 6 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/example-dffadc64d4d96143/out" "--top-module" "top" "--coverage" "--trace" "+1364-2001ext+v" "rtl/counter.v" "+1364-2001ext+v" "rtl/top.v" "/opt/rustwide/target/debug/build/example-dffadc64d4d96143/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: 0x5643e2534320 - std::backtrace_rs::backtrace::libunwind::trace::h0f5cd2ee8b0d7274 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5643e2534320 - std::backtrace_rs::backtrace::trace_unsynchronized::h06905b5aeda069a1 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5643e2534320 - std::sys_common::backtrace::_print_fmt::h4fe4c7c875072f30 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5643e2534320 - ::fmt::hcc0746f004a9b7ef [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5643e25547fc - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x5643e25308e5 - std::io::Write::write_fmt::h23dab4cc9ce72ee2 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x5643e253695b - std::sys_common::backtrace::_print::h173dc702502d65d2 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5643e253695b - std::sys_common::backtrace::print::h61bd27c4742ba817 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5643e253695b - std::panicking::default_hook::{{closure}}::hcaae87f0495ae613 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5643e2536431 - std::panicking::default_hook::h0538e728ee080db0 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5643e2537024 - std::panicking::rust_panic_with_hook::h3039e236b6ca482c [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x5643e2536b07 - std::panicking::begin_panic_handler::{{closure}}::h884fbab544ffd91c [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x5643e253481c - std::sys_common::backtrace::__rust_end_short_backtrace::hdaf2e18ba3d91210 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5643e2536a69 - rust_begin_unwind [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x5643e2334c3b - std::panicking::begin_panic_fmt::h34884936c58ac1e4 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:457:5 [INFO] [stderr] 15: 0x5643e234e053 - verilator::gen::fail::h93578fb111036537 [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilator/src/gen.rs:339:5 [INFO] [stderr] 16: 0x5643e234db46 - verilator::gen::run::h82ea464ee19bbf32 [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilator/src/gen.rs:316:13 [INFO] [stderr] 17: 0x5643e234bbdb - verilator::gen::Verilator::build::h928cd9687cc00558 [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilator/src/gen.rs:188:9 [INFO] [stderr] 18: 0x5643e2336696 - build_script_build::main::h78f0529734cc0773 [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/example/build.rs:29:5 [INFO] [stderr] 19: 0x5643e233678b - core::ops::function::FnOnce::call_once::hb4eba4e09b9c5017 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x5643e2335c1e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf7d042b4a8b4272c [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x5643e2335f71 - std::rt::lang_start::{{closure}}::hf38f21251c9e6354 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:63:18 [INFO] [stderr] 22: 0x5643e253752a - core::ops::function::impls:: for &F>::call_once::h61bcc1dec5918b7e [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x5643e253752a - std::panicking::try::do_call::h672d24f85ce22db4 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:401:40 [INFO] [stderr] 24: 0x5643e253752a - std::panicking::try::he383e7ef11604e58 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:365:19 [INFO] [stderr] 25: 0x5643e253752a - std::panic::catch_unwind::h502ac6058961e393 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panic.rs:434:14 [INFO] [stderr] 26: 0x5643e253752a - std::rt::lang_start_internal::{{closure}}::h851ee37bb5d99fdf [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:45:48 [INFO] [stderr] 27: 0x5643e253752a - std::panicking::try::do_call::h84f41bb3453bbd14 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:401:40 [INFO] [stderr] 28: 0x5643e253752a - std::panicking::try::h969c45dbbf2e4c94 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:365:19 [INFO] [stderr] 29: 0x5643e253752a - std::panic::catch_unwind::he40b1a4614f73e03 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panic.rs:434:14 [INFO] [stderr] 30: 0x5643e253752a - std::rt::lang_start_internal::h0fbab25cccdb30d8 [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:45:20 [INFO] [stderr] 31: 0x5643e2335f40 - std::rt::lang_start::h2b48b903d7e3404e [INFO] [stderr] at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:62:5 [INFO] [stderr] 32: 0x5643e233670c - main [INFO] [stderr] 33: 0x7f7eb58dc0b3 - __libc_start_main [INFO] [stderr] 34: 0x5643e2335b4e - _start [INFO] [stderr] 35: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "893319e0348c540be320e84f858e70150102f915852671826b19b62fd78cf969", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "893319e0348c540be320e84f858e70150102f915852671826b19b62fd78cf969", kill_on_drop: false }` [INFO] [stdout] 893319e0348c540be320e84f858e70150102f915852671826b19b62fd78cf969