[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#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [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 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 351bd503a738984942df861518801d86666fc1ad2b4052c30b96a710cbd51b41 [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" "351bd503a738984942df861518801d86666fc1ad2b4052c30b96a710cbd51b41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "351bd503a738984942df861518801d86666fc1ad2b4052c30b96a710cbd51b41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "351bd503a738984942df861518801d86666fc1ad2b4052c30b96a710cbd51b41", kill_on_drop: false }` [INFO] [stdout] 351bd503a738984942df861518801d86666fc1ad2b4052c30b96a710cbd51b41 [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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 08edc8af7a6cb2b19107154d0bff6543413bd1c47b3e01fca307ce622d01edb9 [INFO] running `Command { std: "docker" "start" "-a" "08edc8af7a6cb2b19107154d0bff6543413bd1c47b3e01fca307ce622d01edb9", 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] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.5 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling base-x v0.2.6 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Compiling yew v0.10.1 (https://github.com/yewstack/yew/#72ca3bb7) [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking discard v1.0.4 [INFO] [stderr] Checking cc v1.0.48 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling yew-macro v0.10.1 (https://github.com/yewstack/yew/#72ca3bb7) [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking libc v0.2.66 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling stdweb v0.4.20 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking backtrace-sys v0.1.32 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [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-0647f0965d8d44c9/build-script-build` (exit code: 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: 0x560e2ceb3fe0 - std::backtrace_rs::backtrace::libunwind::trace::h9d49145f95eb5894 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x560e2ceb3fe0 - std::backtrace_rs::backtrace::trace_unsynchronized::hab1d020365bb6864 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x560e2ceb3fe0 - std::sys_common::backtrace::_print_fmt::h7659588431e304bd [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x560e2ceb3fe0 - ::fmt::h09f4a9e3befae3c7 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x560e2ced0efc - core::fmt::write::hf3fdfde304b9a088 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/fmt/mod.rs:1092:17 [INFO] [stderr] 5: 0x560e2ceafb92 - std::io::Write::write_fmt::h1cb850689c7116f0 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x560e2ceb62f5 - std::sys_common::backtrace::_print::hdbccd5aa093ba544 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x560e2ceb62f5 - std::sys_common::backtrace::print::hc639c4f320222558 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x560e2ceb62f5 - std::panicking::default_hook::{{closure}}::hdb012dd7a485bb5d [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x560e2ceb5da3 - std::panicking::default_hook::h75facbce77b6ba91 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x560e2ceb6a91 - std::panicking::rust_panic_with_hook::hbcaa5de2cb5e22d5 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x560e2ceb65d7 - std::panicking::begin_panic_handler::{{closure}}::h4ee6cde415c8f62d [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x560e2ceb449c - std::sys_common::backtrace::__rust_end_short_backtrace::h895319f2d3f611c0 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x560e2ceb6539 - rust_begin_unwind [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x560e2ceb64eb - std::panicking::begin_panic_fmt::h0262e6b4d4041adf [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:435:5 [INFO] [stderr] 15: 0x560e2ce33434 - build_script_build::fail::h9342da0fd12665b8 [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilated/build.rs:16:5 [INFO] [stderr] 16: 0x560e2ce334a2 - build_script_build::main::hc9d8a808bf35fd1b [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilated/build.rs:71:9 [INFO] [stderr] 17: 0x560e2ce346fb - core::ops::function::FnOnce::call_once::h14fbf652db4cbcc7 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 18: 0x560e2ce3644e - std::sys_common::backtrace::__rust_begin_short_backtrace::ha34161d9095cc654 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 19: 0x560e2ce35021 - std::rt::lang_start::{{closure}}::hdf39bcd776b2aa4c [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:66:18 [INFO] [stderr] 20: 0x560e2ceb6eaa - core::ops::function::impls:: for &F>::call_once::h31ee16c075ae2d62 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 21: 0x560e2ceb6eaa - std::panicking::try::do_call::h3993344bf97066b6 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:379:40 [INFO] [stderr] 22: 0x560e2ceb6eaa - std::panicking::try::h09e523df7c9c2d28 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:343:19 [INFO] [stderr] 23: 0x560e2ceb6eaa - std::panic::catch_unwind::h9d4ddb10ebb815ff [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panic.rs:431:14 [INFO] [stderr] 24: 0x560e2ceb6eaa - std::rt::lang_start_internal::hc92e27a69d75de2a [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:51:25 [INFO] [stderr] 25: 0x560e2ce34ff7 - std::rt::lang_start::ha1343b2e506f9751 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:65:5 [INFO] [stderr] 26: 0x560e2ce33caa - main [INFO] [stderr] 27: 0x7f853f9780b3 - __libc_start_main [INFO] [stderr] 28: 0x560e2ce330be - _start [INFO] [stderr] 29: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "08edc8af7a6cb2b19107154d0bff6543413bd1c47b3e01fca307ce622d01edb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08edc8af7a6cb2b19107154d0bff6543413bd1c47b3e01fca307ce622d01edb9", kill_on_drop: false }` [INFO] [stdout] 08edc8af7a6cb2b19107154d0bff6543413bd1c47b3e01fca307ce622d01edb9