[INFO] cloning repository https://github.com/ioncodes/trexgenerator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ioncodes/trexgenerator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Ftrexgenerator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Ftrexgenerator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2d288b1f6a2a3525b19ac3d539baf145a3eb9961 [INFO] checking ioncodes/trexgenerator against master#0f442e265c165c0a78633bef98de18517815150c for pr-129073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Ftrexgenerator" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ioncodes/trexgenerator on toolchain 0f442e265c165c0a78633bef98de18517815150c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ioncodes/trexgenerator [INFO] finished tweaking git repo https://github.com/ioncodes/trexgenerator [INFO] tweaked toml for git repo https://github.com/ioncodes/trexgenerator written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ioncodes/trexgenerator 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" "+0f442e265c165c0a78633bef98de18517815150c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jpeg-decoder v0.1.11 [INFO] [stderr] Downloaded image v0.10.4 [INFO] [stderr] Downloaded raster v0.0.7 [INFO] [stderr] Downloaded num-bigint v0.1.36 [INFO] [stderr] Downloaded rayon v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 47b206fdefbae5c1cf4a28a7996a8c4e0afe4946a028758a6a6f7e534099b636 [INFO] running `Command { std: "docker" "start" "-a" "47b206fdefbae5c1cf4a28a7996a8c4e0afe4946a028758a6a6f7e534099b636", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47b206fdefbae5c1cf4a28a7996a8c4e0afe4946a028758a6a6f7e534099b636", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47b206fdefbae5c1cf4a28a7996a8c4e0afe4946a028758a6a6f7e534099b636", kill_on_drop: false }` [INFO] [stdout] 47b206fdefbae5c1cf4a28a7996a8c4e0afe4946a028758a6a6f7e534099b636 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f442e265c165c0a78633bef98de18517815150c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1161434b01fdfb3703bfbc740bb98b93e65ee08f0815261870437227911c6cd [INFO] running `Command { std: "docker" "start" "-a" "c1161434b01fdfb3703bfbc740bb98b93e65ee08f0815261870437227911c6cd", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Compiling gcc v0.3.43 [INFO] [stderr] Checking rustc-serialize v0.3.22 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking inflate v0.1.1 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking gif v0.9.1 [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.22/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, D::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the parameter type `T` must be valid for the static lifetime... [INFO] [stdout] | ...so that the type `T` will meet its required lifetime bounds... [INFO] [stdout] | [INFO] [stdout] note: ...that is required by this bound [INFO] [stdout] --> /rustc/0f442e265c165c0a78633bef98de18517815150c/library/alloc/src/borrow.rs:179:30 [INFO] [stdout] help: consider adding an explicit lifetime bound [INFO] [stdout] | [INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num_cpus v1.2.1 [INFO] [stderr] Compiling miniz-sys v0.1.9 [INFO] [stderr] Checking num-integer v0.1.33 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/num_iter-3de988b3e8efbeac.d [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to write `/opt/rustwide/target/debug/.fingerprint/num-iter-3de988b3e8efbeac/dep-lib-num_iter` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaStIkBn" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rand` (lib) due to 1 previous error [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaZBjqmB" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `inflate` (lib) due to 1 previous error [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: miniz-sys@0.1.9: miniz.c:4947:1: fatal error: error writing to /tmp/ccjwuQEt.s: No space left on device [INFO] [stderr] warning: miniz-sys@0.1.9: 4947 | } [INFO] [stderr] warning: miniz-sys@0.1.9: | ^ [INFO] [stderr] warning: miniz-sys@0.1.9: compilation terminated. [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `miniz-sys v0.1.9` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_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/debug/build/miniz-sys-45954d036671bd33/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] OPT_LEVEL = Some("0") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CC_x86_64-unknown-linux-gnu = None [INFO] [stderr] CC_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CC = None [INFO] [stderr] CC = None [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] HOST_CFLAGS = None [INFO] [stderr] CFLAGS = None [INFO] [stderr] PROFILE = Some("debug") [INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-o" "/opt/rustwide/target/debug/build/miniz-sys-6a18cef34a6e514e/out/miniz.o" "-c" "miniz.c" [INFO] [stderr] cargo:warning=miniz.c:4947:1: fatal error: error writing to /tmp/ccjwuQEt.s: No space left on device [INFO] [stderr] cargo:warning= 4947 | } [INFO] [stderr] cargo:warning= | ^ [INFO] [stderr] cargo:warning=compilation terminated. [INFO] [stderr] ExitStatus(unix_wait_status(256)) [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] command did not execute successfully, got: exit status: 1 [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/gcc-0.3.43/src/lib.rs:1127:5: [INFO] [stderr] explicit panic [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5635fb4c4ebd - std::backtrace_rs::backtrace::libunwind::trace::h98c9a654267da697 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stderr] 1: 0x5635fb4c4ebd - std::backtrace_rs::backtrace::trace_unsynchronized::h190a30907a7f9d83 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5635fb4c4ebd - std::sys::backtrace::_print_fmt::hcc14119a649c05d5 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5635fb4c4ebd - ::fmt::h307c820e611adcc1 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5635fb4e809b - core::fmt::rt::Argument::fmt::hf6414887658cef86 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5635fb4e809b - core::fmt::write::h50e5cf1a1bbbfb61 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/core/src/fmt/mod.rs:1178:21 [INFO] [stderr] 6: 0x5635fb4c1703 - std::io::Write::write_fmt::hfc88489c25d2d1c3 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/io/mod.rs:1823:15 [INFO] [stderr] 7: 0x5635fb4c6292 - std::sys::backtrace::BacktraceLock::print::hba3cc5deb45a767f [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 8: 0x5635fb4c6292 - std::panicking::default_hook::{{closure}}::hb90019c1baf4675d [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/panicking.rs:266:22 [INFO] [stderr] 9: 0x5635fb4c5efe - std::panicking::default_hook::hd6283d6abadafbbc [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/panicking.rs:293:9 [INFO] [stderr] 10: 0x5635fb4c6b8f - std::panicking::rust_panic_with_hook::hf91a9486dfeb7bd8 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/panicking.rs:797:13 [INFO] [stderr] 11: 0x5635fb48ee5a - std::panicking::begin_panic::{{closure}}::h93bea885bad85e7c [INFO] [stderr] 12: 0x5635fb48e4ea - std::sys::backtrace::__rust_end_short_backtrace::ha24997147494ad95 [INFO] [stderr] 13: 0x5635fb48ee0b - std::panicking::begin_panic::h5ce0d195449c13f2 [INFO] [stderr] 14: 0x5635fb4870f7 - gcc::fail::h306751e011de0cc2 [INFO] [stderr] 15: 0x5635fb4869d1 - gcc::run::hd72570817d4633e3 [INFO] [stderr] 16: 0x5635fb47dfee - gcc::Config::compile_object::h6a9ba1e68bb158db [INFO] [stderr] 17: 0x5635fb47d876 - gcc::Config::compile_objects::h40aa4fff9af978ce [INFO] [stderr] 18: 0x5635fb47c4f0 - gcc::Config::compile::h845c04c254fd0182 [INFO] [stderr] 19: 0x5635fb47bc02 - gcc::compile_library::h39ce0ad4ec117a51 [INFO] [stderr] 20: 0x5635fb47b765 - build_script_build::main::h93a583bfe332ed7f [INFO] [stderr] 21: 0x5635fb47b463 - core::ops::function::FnOnce::call_once::h6eb43d81e9e9efbc [INFO] [stderr] 22: 0x5635fb47b436 - std::sys::backtrace::__rust_begin_short_backtrace::hb6bf4aba5bbeb823 [INFO] [stderr] 23: 0x5635fb47b419 - std::rt::lang_start::{{closure}}::h12580bb999f2e13e [INFO] [stderr] 24: 0x5635fb4bd760 - core::ops::function::impls:: for &F>::call_once::hfdfcf88e5311494d [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 25: 0x5635fb4bd760 - std::panicking::try::do_call::h1b87ed9a97597d34 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/panicking.rs:554:40 [INFO] [stderr] 26: 0x5635fb4bd760 - std::panicking::try::h5679b1e83dd3b8c0 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/panicking.rs:518:19 [INFO] [stderr] 27: 0x5635fb4bd760 - std::panic::catch_unwind::ha28eb59c4e51012a [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/panic.rs:345:14 [INFO] [stderr] 28: 0x5635fb4bd760 - std::rt::lang_start_internal::{{closure}}::h026e5211c31f5a68 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/rt.rs:143:48 [INFO] [stderr] 29: 0x5635fb4bd760 - std::panicking::try::do_call::hf825b7cacd4e86b6 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/panicking.rs:554:40 [INFO] [stderr] 30: 0x5635fb4bd760 - std::panicking::try::h9b198ac6f10a0269 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/panicking.rs:518:19 [INFO] [stderr] 31: 0x5635fb4bd760 - std::panic::catch_unwind::hd5c4e923ec1adddc [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/panic.rs:345:14 [INFO] [stderr] 32: 0x5635fb4bd760 - std::rt::lang_start_internal::h71b15335846f2bc7 [INFO] [stderr] at /rustc/0f442e265c165c0a78633bef98de18517815150c/library/std/src/rt.rs:143:20 [INFO] [stderr] 33: 0x5635fb47b3f7 - std::rt::lang_start::hae7094bdeb85e236 [INFO] [stderr] 34: 0x5635fb47b925 - main [INFO] [stderr] 35: 0x7fd15126cd90 - [INFO] [stderr] 36: 0x7fd15126ce40 - __libc_start_main [INFO] [stderr] 37: 0x5635fb47b305 - _start [INFO] [stderr] 38: 0x0 - [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "c1161434b01fdfb3703bfbc740bb98b93e65ee08f0815261870437227911c6cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1161434b01fdfb3703bfbc740bb98b93e65ee08f0815261870437227911c6cd", kill_on_drop: false }` [INFO] [stdout] c1161434b01fdfb3703bfbc740bb98b93e65ee08f0815261870437227911c6cd [INFO] checking ioncodes/trexgenerator against try#774bd5ba31b89dab12d58c29690ad9f7e5c9f063 for pr-129073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Ftrexgenerator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-1-tc2/source': No space left on device [INFO] checking ioncodes/trexgenerator against try#774bd5ba31b89dab12d58c29690ad9f7e5c9f063 for pr-129073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Ftrexgenerator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-1-tc2/source': No space left on device [INFO] checking ioncodes/trexgenerator against try#774bd5ba31b89dab12d58c29690ad9f7e5c9f063 for pr-129073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Ftrexgenerator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-1-tc2/source': No space left on device [INFO] checking ioncodes/trexgenerator against try#774bd5ba31b89dab12d58c29690ad9f7e5c9f063 for pr-129073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Ftrexgenerator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-1-tc2/source': No space left on device [INFO] checking ioncodes/trexgenerator against try#774bd5ba31b89dab12d58c29690ad9f7e5c9f063 for pr-129073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Ftrexgenerator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] fatal: could not create leading directories of '/workspace/builds/worker-1-tc2/source': No space left on device [ERROR] this task or one of its parent failed! [ERROR] failed to checkout https://github.com/ioncodes/trexgenerator [ERROR] caused by: command failed: exit status: 128 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.