[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#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkelleyrtp%2Fcomparch_labs" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jkelleyrtp/comparch_labs on toolchain 3e826bb11228508fbe749e594038d6727208aa94 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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-6/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" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87bf92388cf6c339818411fd5215a2e30d16c0418808414aa25ecaa77a1873a8 [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" "87bf92388cf6c339818411fd5215a2e30d16c0418808414aa25ecaa77a1873a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87bf92388cf6c339818411fd5215a2e30d16c0418808414aa25ecaa77a1873a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87bf92388cf6c339818411fd5215a2e30d16c0418808414aa25ecaa77a1873a8", kill_on_drop: false }` [INFO] [stdout] 87bf92388cf6c339818411fd5215a2e30d16c0418808414aa25ecaa77a1873a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa38eb46531043ef117393e2adc376cc4516b72ae2bb3404d8ca0608bf47acd9 [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" "aa38eb46531043ef117393e2adc376cc4516b72ae2bb3404d8ca0608bf47acd9", kill_on_drop: false }` [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] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.5 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling base-x v0.2.6 [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking discard v1.0.4 [INFO] [stderr] Compiling yew v0.10.1 (https://github.com/yewstack/yew/#72ca3bb7) [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling yew-macro v0.10.1 (https://github.com/yewstack/yew/#72ca3bb7) [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking libc v0.2.66 [INFO] [stderr] Compiling stdweb v0.4.20 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking syn v0.13.11 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking verilated-module v0.1.1 (/opt/rustwide/workdir/rust/backend/verilated-module) [INFO] [stderr] Checking 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] [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] [stderr] Checking tungstenite v0.9.2 [INFO] [stderr] Compiling synstructure v0.12.3 [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] [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] Compiling failure_derive v0.1.6 [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: 0x5567645e3db0 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5567645e3db0 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5567645e3db0 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5567645e3db0 - ::fmt::hd8c307a38b9bab04 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x556764600ccc - core::fmt::write::h3868db8542c90941 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/core/src/fmt/mod.rs:1092:17 [INFO] [stderr] 5: 0x5567645df962 - std::io::Write::write_fmt::hab90295d5a0f197d [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x5567645e60c5 - std::sys_common::backtrace::_print::h19224910b8700cf1 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5567645e60c5 - std::sys_common::backtrace::print::h25dedfa68c5fb84a [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5567645e60c5 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5567645e5b73 - std::panicking::default_hook::he65cee71c4209f0c [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5567645e6861 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5567645e63a7 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x5567645e424c - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5567645e6309 - rust_begin_unwind [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x5567645e62bb - std::panicking::begin_panic_fmt::h12277576db89392f [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:435:5 [INFO] [stderr] 15: 0x556764563434 - build_script_build::fail::h9342da0fd12665b8 [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilated/build.rs:16:5 [INFO] [stderr] 16: 0x5567645634a2 - build_script_build::main::hc9d8a808bf35fd1b [INFO] [stderr] at /opt/rustwide/workdir/rust/backend/verilated/build.rs:71:9 [INFO] [stderr] 17: 0x5567645646bb - core::ops::function::FnOnce::call_once::h0e32fb59cb833b45 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 18: 0x55676456644e - std::sys_common::backtrace::__rust_begin_short_backtrace::h713798f4f3cc67c9 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 19: 0x556764565021 - std::rt::lang_start::{{closure}}::h578b27b73b3c9ac9 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/rt.rs:66:18 [INFO] [stderr] 20: 0x5567645e6c7a - core::ops::function::impls:: for &F>::call_once::h2c4fd7d4128112a8 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 21: 0x5567645e6c7a - std::panicking::try::do_call::h41fb7dbbbe7bece6 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:379:40 [INFO] [stderr] 22: 0x5567645e6c7a - std::panicking::try::hd38008ccba72bce1 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panicking.rs:343:19 [INFO] [stderr] 23: 0x5567645e6c7a - std::panic::catch_unwind::h057e765cd60f2d13 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/panic.rs:431:14 [INFO] [stderr] 24: 0x5567645e6c7a - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/rt.rs:51:25 [INFO] [stderr] 25: 0x556764564ff7 - std::rt::lang_start::he7f0bf9548b49d80 [INFO] [stderr] at /rustc/3e826bb11228508fbe749e594038d6727208aa94/library/std/src/rt.rs:65:5 [INFO] [stderr] 26: 0x556764563caa - main [INFO] [stderr] 27: 0x7f4f3cec80b3 - __libc_start_main [INFO] [stderr] 28: 0x5567645630be - _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" "aa38eb46531043ef117393e2adc376cc4516b72ae2bb3404d8ca0608bf47acd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa38eb46531043ef117393e2adc376cc4516b72ae2bb3404d8ca0608bf47acd9", kill_on_drop: false }` [INFO] [stdout] aa38eb46531043ef117393e2adc376cc4516b72ae2bb3404d8ca0608bf47acd9