[INFO] cloning repository https://github.com/leocassarani/verilator-rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leocassarani/verilator-rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleocassarani%2Fverilator-rust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleocassarani%2Fverilator-rust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e707d2ab421f797bcf9581a86690cc24b480b84
[INFO] testing leocassarani/verilator-rust-example against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleocassarani%2Fverilator-rust-example" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/leocassarani/verilator-rust-example
[INFO] finished tweaking git repo https://github.com/leocassarani/verilator-rust-example
[INFO] tweaked toml for git repo https://github.com/leocassarani/verilator-rust-example written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leocassarani/verilator-rust-example on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/leocassarani/verilator-rust-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 264132e5a7b22aca13e57afee60c4c940a01ae73e6d7494b106a673b422ce130
[INFO] running `Command { std: "docker" "start" "264132e5a7b22aca13e57afee60c4c940a01ae73e6d7494b106a673b422ce130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "264132e5a7b22aca13e57afee60c4c940a01ae73e6d7494b106a673b422ce130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "264132e5a7b22aca13e57afee60c4c940a01ae73e6d7494b106a673b422ce130" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "264132e5a7b22aca13e57afee60c4c940a01ae73e6d7494b106a673b422ce130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "264132e5a7b22aca13e57afee60c4c940a01ae73e6d7494b106a673b422ce130" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling tracing_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `tracing_example v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/release/build/tracing_example-b8a8868f0cee577e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/top.v
[INFO] [stderr]   cargo:rerun-if-changed=src/sub.v
[INFO] [stderr]   cargo:rerun-if-changed=src/vtop_bridge.cpp
[INFO] [stderr]   cargo:rerun-if-changed=src/verilated_bridge.cpp
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (207) panicked at build.rs:20:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ae508ec1ff1 - <<std[104cf6e2632825ea]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[7c831bd917ebf35f]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5ae508ed6dca - core[7c831bd917ebf35f]::fmt::write
[INFO] [stderr]      2:     0x5ae508ec82ec - <std[104cf6e2632825ea]::sys::stdio::unix::Stderr as core[7c831bd917ebf35f]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5ae508e9f466 - std[104cf6e2632825ea]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5ae508ebbd01 - std[104cf6e2632825ea]::panicking::default_hook
[INFO] [stderr]      5:     0x5ae508ebbebb - std[104cf6e2632825ea]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5ae508e9f512 - std[104cf6e2632825ea]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5ae508e97c59 - std[104cf6e2632825ea]::sys::backtrace::__rust_end_short_backtrace::<std[104cf6e2632825ea]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5ae508e9fe1d - __rustc[b0d56fa5b193ad05]::rust_begin_unwind
[INFO] [stderr]      9:     0x5ae508ed753c - core[7c831bd917ebf35f]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5ae508ed7312 - core[7c831bd917ebf35f]::result::unwrap_failed
[INFO] [stderr]     11:     0x5ae508e3c8a6 - build_script_build[9368717cba55af01]::main
[INFO] [stderr]     12:     0x5ae508e3e01b - <fn() as core[7c831bd917ebf35f]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     13:     0x5ae508e3bdbe - std[104cf6e2632825ea]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     14:     0x5ae508e3c059 - std[104cf6e2632825ea]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     15:     0x5ae508ebb0c9 - std[104cf6e2632825ea]::rt::lang_start_internal
[INFO] [stderr]     16:     0x5ae508e3bd21 - std[104cf6e2632825ea]::rt::lang_start::<()>
[INFO] [stderr]     17:     0x5ae508e3e0b5 - main
[INFO] [stderr]     18:     0x7ec112ae4601 - <unknown>
[INFO] [stderr]     19:     0x7ec112ae4718 - __libc_start_main
[INFO] [stderr]     20:     0x5ae508e3b2b5 - _start
[INFO] [stderr]     21:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "264132e5a7b22aca13e57afee60c4c940a01ae73e6d7494b106a673b422ce130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "264132e5a7b22aca13e57afee60c4c940a01ae73e6d7494b106a673b422ce130", kill_on_drop: false }`
[INFO] [stdout] 264132e5a7b22aca13e57afee60c4c940a01ae73e6d7494b106a673b422ce130
