[INFO] cloning repository mmiecz/chip8-rust [INFO] running `"git" "clone" "--bare" "git://github.com/mmiecz/chip8-rust.git" "work/cache/sources/gh/mmiecz/chip8-rust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mmiecz/chip8-rust'... [INFO] running `"git" "clone" "work/cache/sources/gh/mmiecz/chip8-rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mmiecz/chip8-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mmiecz/chip8-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mmiecz/chip8-rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mmiecz/chip8-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mmiecz/chip8-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e1a108b4c2d523484451138cea2b06efdf2fb3ef [INFO] sha for GitHub repo mmiecz/chip8-rust: e1a108b4c2d523484451138cea2b06efdf2fb3ef [INFO] validating manifest of mmiecz/chip8-rust on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mmiecz/chip8-rust on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mmiecz/chip8-rust [INFO] finished frobbing mmiecz/chip8-rust [INFO] frobbed toml for mmiecz/chip8-rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mmiecz/chip8-rust/Cargo.toml [INFO] started frobbing mmiecz/chip8-rust [INFO] finished frobbing mmiecz/chip8-rust [INFO] frobbed toml for mmiecz/chip8-rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/mmiecz/chip8-rust/Cargo.toml [INFO] crate mmiecz/chip8-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded winit v0.5.7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mmiecz/chip8-rust against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/mmiecz/chip8-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] f0a102374eb2f91e4da8a89764bc2c1719ee92d7389124465c1751b95787679e [INFO] running `"docker" "start" "-a" "f0a102374eb2f91e4da8a89764bc2c1719ee92d7389124465c1751b95787679e"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling serde_json v0.8.4 [INFO] [stderr] Compiling shared_library v0.1.5 [INFO] [stderr] Compiling phf_generator v0.7.20 [INFO] [stderr] Compiling x11-dl v2.12.0 [INFO] [stderr] Compiling glium v0.16.0 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling tempfile v2.1.4 [INFO] [stderr] Compiling backtrace-sys v0.1.5 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Compiling phf_codegen v0.7.20 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling target_build_utils v0.1.2 [INFO] [stderr] Compiling libloading v0.3.1 [INFO] [stderr] Compiling dlib v0.3.1 [INFO] [stderr] Compiling wayland-sys v0.7.6 [INFO] [stderr] Compiling wayland-client v0.7.6 [INFO] [stderr] Compiling wayland-kbd v0.6.2 [INFO] [stderr] Compiling wayland-window v0.4.3 [INFO] [stderr] Compiling winit v0.5.7 [INFO] [stderr] Compiling glutin v0.7.2 [INFO] [stderr] Compiling chip8-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: the item `rand` is imported redundantly [INFO] [stderr] --> src/cpu.rs:423:13 [INFO] [stderr] | [INFO] [stderr] 423 | use rand; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] ::: src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | extern crate rand; [INFO] [stderr] | ------------------ the item `rand` is already imported here [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `glium::glutin::VirtualKeyCode` [INFO] [stderr] --> src/cpu.rs:446:13 [INFO] [stderr] | [INFO] [stderr] 446 | use glium::glutin::VirtualKeyCode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `glium::glutin::VirtualKeyCode` [INFO] [stderr] --> src/cpu.rs:455:13 [INFO] [stderr] | [INFO] [stderr] 455 | use glium::glutin::VirtualKeyCode; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `glium::DisplayBuild` [INFO] [stderr] --> src/input.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use glium::DisplayBuild; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/input.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time` [INFO] [stderr] --> src/input.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::time; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `glium::glutin` [INFO] [stderr] --> src/display.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use glium::glutin; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/display.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/display.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `CpuError`, `Cpu`, `DecoderError` [INFO] [stderr] --> src/main.rs:9:11 [INFO] [stderr] | [INFO] [stderr] 9 | use cpu::{Cpu, DecoderError, CpuError}; [INFO] [stderr] | ^^^ ^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Event`, `VirtualKeyCode` [INFO] [stderr] --> src/main.rs:10:21 [INFO] [stderr] | [INFO] [stderr] 10 | use glium::glutin::{VirtualKeyCode, Event}; [INFO] [stderr] | ^^^^^^^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/cpu.rs:264:9 [INFO] [stderr] | [INFO] [stderr] 264 | "cls".to_string() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/cpu.rs:480:9 [INFO] [stderr] | [INFO] [stderr] 480 | format!("wkp {:#x}", self.regs.v[reg]) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `what` [INFO] [stderr] --> src/cpu.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | Err(what) => Err(CpuError::DecoderError) [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_what` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `placeholder_display` [INFO] [stderr] --> src/cpu.rs:262:23 [INFO] [stderr] | [INFO] [stderr] 262 | fn cls(&mut self, placeholder_display : u8 ) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_placeholder_display` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reg` [INFO] [stderr] --> src/cpu.rs:478:37 [INFO] [stderr] | [INFO] [stderr] 478 | fn wait_for_keypress(&mut self, reg: usize) -> String { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_reg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `title` [INFO] [stderr] --> src/display.rs:30:39 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn new(dimension: (u32, u32), title: &str) -> Result { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_title` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/display.rs:99:13 [INFO] [stderr] | [INFO] [stderr] 99 | let mut collision = false; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `is_closing` [INFO] [stderr] --> src/input.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | is_closing : bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `InvalidDimensionError` [INFO] [stderr] --> src/display.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | InvalidDimensionError, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.chip8_rust.nuqvfa88-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba" "/opt/crater/target/debug/deps/chip8_rust-fd0fca86dbbbd0ba.4a8emyaku8aj2kwu.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libglium-e4ffd523205cd700.rlib" "/opt/crater/target/debug/deps/libglutin-b4f3f39bb5d0e136.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-d85bf18cd9c9147f.rlib" "/opt/crater/target/debug/deps/libwinit-f3dad1325bf3e0ba.rlib" "/opt/crater/target/debug/deps/libwayland_window-a970ea20638c3eba.rlib" "/opt/crater/target/debug/deps/libtempfile-988ac266c1b17141.rlib" "/opt/crater/target/debug/deps/libbyteorder-4e66af015c9891dc.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-44850866f6719e9a.rlib" "/opt/crater/target/debug/deps/libmemmap-f3a9e8c91f461816.rlib" "/opt/crater/target/debug/deps/libwayland_client-0a87123fdc8d681d.rlib" "/opt/crater/target/debug/deps/libwayland_sys-35d106280344c5d7.rlib" "/opt/crater/target/debug/deps/libdlib-570fdb37bc2ff956.rlib" "/opt/crater/target/debug/deps/liblibloading-3be53f1b59f56163.rlib" "/opt/crater/target/debug/deps/libbitflags-1a419d862fd59e6e.rlib" "/opt/crater/target/debug/deps/libx11_dl-f80e9bb2841326d6.rlib" "/opt/crater/target/debug/deps/libshared_library-01914132485b1082.rlib" "/opt/crater/target/debug/deps/libfnv-b9ae8ddb18a266b8.rlib" "/opt/crater/target/debug/deps/libsmallvec-c39a34a96a10e3fa.rlib" "/opt/crater/target/debug/deps/libbacktrace-ca471c86511f6f0f.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-0381756b58f13544.rlib" "/opt/crater/target/debug/deps/librustc_demangle-6917eb5c6fb1ba4f.rlib" "/opt/crater/target/debug/deps/libcfg_if-dd8e36b0bfa0c1f1.rlib" "/opt/crater/target/debug/deps/libdbghelp-a6acc9f0a368465f.rlib" "/opt/crater/target/debug/deps/libwinapi-6fcedc2d2f28cc0f.rlib" "/opt/crater/target/debug/deps/libkernel32-772fbdd4a4514fe6.rlib" "/opt/crater/target/debug/deps/liblazy_static-d1ab4248af637a21.rlib" "/opt/crater/target/debug/deps/librand-2c450e3edafb9c38.rlib" "/opt/crater/target/debug/deps/liblibc-77f2e740a9bd2945.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5eb7072357e3f704.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-be57a0a20ef83edc.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-53ea5c4d1e8787c5.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-90a03fea645d1ca0.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d0be8ec5eb12a622.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-c9bd1ed65ad5f9b5.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-232a620458cbc142.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-378c2daa95643520.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b1ad0e3b0cafff9a.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bd92551ef79ec0f7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-6f92150ede6dcf89.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5d5836de4a922af7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0bd990bd23dec0da.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5a50a9afbc6d167.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /opt/crater/target/debug/deps/libbacktrace-ca471c86511f6f0f.rlib(backtrace-ca471c86511f6f0f.backtrace.6unxlva5-cgu.15.rcgu.o): In function `backtrace::symbolize::libbacktrace::init_state::{{closure}}': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:150: undefined reference to `backtrace_create_state' [INFO] [stderr] /opt/crater/target/debug/deps/libbacktrace-ca471c86511f6f0f.rlib(backtrace-ca471c86511f6f0f.backtrace.6unxlva5-cgu.15.rcgu.o): In function `backtrace::symbolize::libbacktrace::resolve': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:167: undefined reference to `backtrace_pcinfo' [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:171: undefined reference to `backtrace_syminfo' [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `chip8-rust`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f0a102374eb2f91e4da8a89764bc2c1719ee92d7389124465c1751b95787679e"` [INFO] running `"docker" "rm" "-f" "f0a102374eb2f91e4da8a89764bc2c1719ee92d7389124465c1751b95787679e"` [INFO] [stdout] f0a102374eb2f91e4da8a89764bc2c1719ee92d7389124465c1751b95787679e