[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 try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkelleyrtp%2Fcomparch_labs" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jkelleyrtp/comparch_labs on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-1/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/yewstack/yew/` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.56 [INFO] [stderr] Downloaded unicode-segmentation v1.6.0 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.56 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.56 [INFO] [stderr] Downloaded anyhow v1.0.25 [INFO] [stderr] Downloaded security-framework-sys v0.3.3 [INFO] [stderr] Downloaded toml v0.5.5 [INFO] [stderr] Downloaded js-sys v0.3.33 [INFO] [stderr] Downloaded wasm-bindgen v0.2.56 [INFO] [stderr] Downloaded input_buffer v0.2.0 [INFO] [stderr] Downloaded web-sys v0.3.33 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.6 [INFO] [stderr] Downloaded url v2.1.0 [INFO] [stderr] Downloaded utf-8 v0.7.5 [INFO] [stderr] Downloaded security-framework v0.3.4 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.56 [INFO] [stderr] Downloaded wasm-bindgen-webidl v0.2.56 [INFO] [stderr] Downloaded idna v0.2.0 [INFO] [stderr] Downloaded tungstenite v0.9.2 [INFO] [stderr] Downloaded bincode v1.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af6788cf3e4e28e65d3c57969fb6f27f9a8b02877dc8319daf186d3ad2e4ab9a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "af6788cf3e4e28e65d3c57969fb6f27f9a8b02877dc8319daf186d3ad2e4ab9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af6788cf3e4e28e65d3c57969fb6f27f9a8b02877dc8319daf186d3ad2e4ab9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af6788cf3e4e28e65d3c57969fb6f27f9a8b02877dc8319daf186d3ad2e4ab9a", kill_on_drop: false }` [INFO] [stdout] af6788cf3e4e28e65d3c57969fb6f27f9a8b02877dc8319daf186d3ad2e4ab9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6db1abd5b0c3f79b5c0cd1b70d057353e71fcf75ca7a0168ed9037f18089bfcb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6db1abd5b0c3f79b5c0cd1b70d057353e71fcf75ca7a0168ed9037f18089bfcb", 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] Compiling proc-macro2 v1.0.6 [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 fnv v1.0.6 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Compiling yew v0.10.1 (https://github.com/yewstack/yew/#72ca3bb7) [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking cc v1.0.48 [INFO] [stderr] Compiling yew-macro v0.10.1 (https://github.com/yewstack/yew/#72ca3bb7) [INFO] [stderr] Checking proc-macro2 v0.3.8 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking backtrace-sys v0.1.32 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking quote v0.5.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking syn v0.13.11 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling stdweb v0.4.20 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Checking tungstenite v0.9.2 [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] Compiling synstructure v0.12.3 [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] error: failed to run custom build command for `verilated v0.1.1 (/opt/rustwide/workdir/rust/backend/verilated)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/verilated-e753aa37bc155cb9/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at ' [INFO] [stderr] Failed to find `${VERILATOR_ROOT}`. Please set `VERILATOR_ROOT` environment variable or ensure `verilator` is in `PATH`. [INFO] [stderr] [INFO] [stderr] build script failed, must exit now', rust/backend/verilated/build.rs:16:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x563a6a36fd80 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x563a6a36fd80 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x563a6a36fd80 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x563a6a36fd80 - ::fmt::h2a772198c4032452 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x563a6a38f49c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x563a6a36c605 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/io/mod.rs:1663:15 [INFO] [stderr] 6: 0x563a6a371f7b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x563a6a371f7b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x563a6a371f7b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x563a6a371a51 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x563a6a372644 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x563a6a372127 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x563a6a37027c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x563a6a372089 - rust_begin_unwind [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x563a6a2fcc2b - std::panicking::begin_panic_fmt::h124dfb9fde553188 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:457:5 [INFO] [stderr] 15: 0x563a6a2ffb03 - build_script_build::fail::h9b48afca86440767 [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilated/build.rs:16:5 [INFO] [stderr] 16: 0x563a6a2ffbbd - build_script_build::main::h02b02903209084d5 [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilated/build.rs:71:9 [INFO] [stderr] 17: 0x563a6a2fef2b - core::ops::function::FnOnce::call_once::hfec4f56e4079bed9 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 18: 0x563a6a2ff0fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h6b49e063f8cd5e9e [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 19: 0x563a6a2feca1 - std::rt::lang_start::{{closure}}::h8b03cc0f5b95b059 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:63:18 [INFO] [stderr] 20: 0x563a6a372b4a - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 21: 0x563a6a372b4a - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:401:40 [INFO] [stderr] 22: 0x563a6a372b4a - std::panicking::try::hb8b07cef009cb4fc [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:365:19 [INFO] [stderr] 23: 0x563a6a372b4a - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panic.rs:434:14 [INFO] [stderr] 24: 0x563a6a372b4a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:45:48 [INFO] [stderr] 25: 0x563a6a372b4a - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:401:40 [INFO] [stderr] 26: 0x563a6a372b4a - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:365:19 [INFO] [stderr] 27: 0x563a6a372b4a - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panic.rs:434:14 [INFO] [stderr] 28: 0x563a6a372b4a - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:45:20 [INFO] [stderr] 29: 0x563a6a2fec70 - std::rt::lang_start::h6abdebad3334e5fb [INFO] [stderr] at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:62:5 [INFO] [stderr] 30: 0x563a6a3003dc - main [INFO] [stderr] 31: 0x7f99902810b3 - __libc_start_main [INFO] [stderr] 32: 0x563a6a2fdb3e - _start [INFO] [stderr] 33: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6db1abd5b0c3f79b5c0cd1b70d057353e71fcf75ca7a0168ed9037f18089bfcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6db1abd5b0c3f79b5c0cd1b70d057353e71fcf75ca7a0168ed9037f18089bfcb", kill_on_drop: false }` [INFO] [stdout] 6db1abd5b0c3f79b5c0cd1b70d057353e71fcf75ca7a0168ed9037f18089bfcb