[INFO] updating cached repository mmiecz/chip8-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mmiecz/chip8-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mmiecz/chip8-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mmiecz/chip8-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mmiecz/chip8-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mmiecz/chip8-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mmiecz/chip8-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mmiecz/chip8-rust on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mmiecz/chip8-rust/Cargo.toml [INFO] crate mmiecz/chip8-rust has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mmiecz/chip8-rust against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"` [INFO] [stdout] eb8785f7233ff740fff34098fc664270c8099b5cafbb469fbf05afaddf9b88a8 [INFO] running `"docker" "start" "-a" "eb8785f7233ff740fff34098fc664270c8099b5cafbb469fbf05afaddf9b88a8"` [INFO] [stderr] Compiling gcc v0.3.41 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling serde_json v0.8.4 [INFO] [stderr] Compiling shared_library v0.1.5 [INFO] [stderr] Compiling x11-dl v2.12.0 [INFO] [stderr] Compiling glutin v0.7.2 [INFO] [stderr] Compiling glium v0.16.0 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling backtrace-sys v0.1.5 [INFO] [stderr] Compiling phf_generator v0.7.20 [INFO] [stderr] Compiling tempfile v2.1.4 [INFO] [stderr] Compiling phf_codegen v0.7.20 [INFO] [stderr] Compiling target_build_utils v0.1.2 [INFO] [stderr] Compiling backtrace v0.2.3 [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-window v0.4.3 [INFO] [stderr] Compiling wayland-kbd v0.6.2 [INFO] [stderr] Compiling winit v0.5.7 [INFO] [stderr] Compiling chip8-rust v0.1.0 (/opt/crater/workdir) [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] = note: #[warn(unused_imports)] on by default [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 error 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/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.chip8_rust.eoxkk7d9-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2" "/opt/crater/target/debug/deps/chip8_rust-26d9aedfb939a3e2.19wxqewgm72y9nk5.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libglium-5978da7ec3651937.rlib" "/opt/crater/target/debug/deps/libglutin-62d5a589e4017d73.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-d0e642cda2a64788.rlib" "/opt/crater/target/debug/deps/libwinit-50aded21c2fc60e0.rlib" "/opt/crater/target/debug/deps/libwayland_window-225785ca60359180.rlib" "/opt/crater/target/debug/deps/libtempfile-9f89e77d69be6f14.rlib" "/opt/crater/target/debug/deps/libbyteorder-f73e38a3da06a0ba.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-8fcabcfa0fc0dda0.rlib" "/opt/crater/target/debug/deps/libmemmap-0b2b813387a7c1ac.rlib" "/opt/crater/target/debug/deps/libwayland_client-03038fbc00523b1d.rlib" "/opt/crater/target/debug/deps/libwayland_sys-d6d387f223327618.rlib" "/opt/crater/target/debug/deps/libdlib-769a42ad6a59c568.rlib" "/opt/crater/target/debug/deps/liblibloading-19fc16098b6b89a4.rlib" "/opt/crater/target/debug/deps/libbitflags-a08c32e0d1827ba5.rlib" "/opt/crater/target/debug/deps/libx11_dl-b58826efca4207fc.rlib" "/opt/crater/target/debug/deps/libshared_library-21e4dfab0807c974.rlib" "/opt/crater/target/debug/deps/libfnv-bbe424c3a9a88706.rlib" "/opt/crater/target/debug/deps/libsmallvec-6223ca88d0870ac5.rlib" "/opt/crater/target/debug/deps/libbacktrace-d59f62a6b85498e2.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-047b59e70eb821ef.rlib" "/opt/crater/target/debug/deps/librustc_demangle-bedd9530c131cc28.rlib" "/opt/crater/target/debug/deps/libcfg_if-093b3a73669c0adf.rlib" "/opt/crater/target/debug/deps/libdbghelp-b3513b10232833cd.rlib" "/opt/crater/target/debug/deps/libwinapi-7dff080b6462bfe0.rlib" "/opt/crater/target/debug/deps/libkernel32-9b717afd956943fe.rlib" "/opt/crater/target/debug/deps/liblazy_static-126057301ec7e4c8.rlib" "/opt/crater/target/debug/deps/librand-4bfd7dd9b30e81bc.rlib" "/opt/crater/target/debug/deps/liblibc-da82ea9d1ba3d64f.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8469d768695d9748.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-786c0f406992159b.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-eda54ffd3e6402cc.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3b59adbc83c396a4.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d2bb09f4dcbd4be.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e96acda46b77a2fd.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-596074f575b1f832.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57f280c1596673cd.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-16132b5b2ecf9ec1.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-37286a0a9c4289ff.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-d59f62a6b85498e2.rlib(backtrace-d59f62a6b85498e2.backtrace.d6qf70me-cgu.12.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-d59f62a6b85498e2.rlib(backtrace-d59f62a6b85498e2.backtrace.d6qf70me-cgu.12.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" "eb8785f7233ff740fff34098fc664270c8099b5cafbb469fbf05afaddf9b88a8"` [INFO] running `"docker" "rm" "-f" "eb8785f7233ff740fff34098fc664270c8099b5cafbb469fbf05afaddf9b88a8"` [INFO] [stdout] eb8785f7233ff740fff34098fc664270c8099b5cafbb469fbf05afaddf9b88a8