[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 try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"` [INFO] [stdout] dbc3151e56080da46b275384c56a131e348febd54a40b1beef938593d789bf73 [INFO] running `"docker" "start" "-a" "dbc3151e56080da46b275384c56a131e348febd54a40b1beef938593d789bf73"` [INFO] [stderr] Compiling serde v0.8.22 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling shared_library v0.1.5 [INFO] [stderr] Compiling x11-dl v2.12.0 [INFO] [stderr] Compiling backtrace-sys v0.1.5 [INFO] [stderr] Compiling glutin v0.7.2 [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 v0.2.3 [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 serde_json v0.8.4 [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 glium v0.16.0 [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/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.chip8_rust.c3f7npo6-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21" "/opt/crater/target/debug/deps/chip8_rust-434a5e6fb608ef21.1jmv3e0p3jg8ogcb.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libglium-22b5042ed0402c7d.rlib" "/opt/crater/target/debug/deps/libglutin-f415d8b717b2a44f.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-e2515533058c9a9c.rlib" "/opt/crater/target/debug/deps/libwinit-3b10e69dfeb94066.rlib" "/opt/crater/target/debug/deps/libwayland_window-5e736cb25338f12a.rlib" "/opt/crater/target/debug/deps/libtempfile-bd26397a9c87ec18.rlib" "/opt/crater/target/debug/deps/libbyteorder-8787a369bae0964c.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-4d92718455cd7ed4.rlib" "/opt/crater/target/debug/deps/libmemmap-a8b890cfc65a8ed5.rlib" "/opt/crater/target/debug/deps/libwayland_client-2cc7aac6a3960c91.rlib" "/opt/crater/target/debug/deps/libwayland_sys-25fc08c001e490d4.rlib" "/opt/crater/target/debug/deps/libdlib-4c324cb743577b04.rlib" "/opt/crater/target/debug/deps/liblibloading-c5d2f24f4ed23044.rlib" "/opt/crater/target/debug/deps/libbitflags-261879c853d19ff4.rlib" "/opt/crater/target/debug/deps/libx11_dl-77a5bd6bc5164edd.rlib" "/opt/crater/target/debug/deps/libshared_library-3fcc947ee0d8702e.rlib" "/opt/crater/target/debug/deps/libfnv-e72acb1dd702bd88.rlib" "/opt/crater/target/debug/deps/libsmallvec-03c5761e4c52be07.rlib" "/opt/crater/target/debug/deps/libbacktrace-8837a2a0b72035c3.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-94881f931d80e990.rlib" "/opt/crater/target/debug/deps/librustc_demangle-4c4fdb42d352ee49.rlib" "/opt/crater/target/debug/deps/libcfg_if-0a93ba4f6cd185dc.rlib" "/opt/crater/target/debug/deps/libdbghelp-9b750215343655ee.rlib" "/opt/crater/target/debug/deps/libwinapi-8b6aedb380efb349.rlib" "/opt/crater/target/debug/deps/libkernel32-03a5a47a8ea86e38.rlib" "/opt/crater/target/debug/deps/liblazy_static-2232fdc8a8bcb0ec.rlib" "/opt/crater/target/debug/deps/librand-cebb09b9c140c4dd.rlib" "/opt/crater/target/debug/deps/liblibc-d035453e9eb3fbbd.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-b9cdeeb7d71e069b.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-2c784314f5b61a49.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-3b6efc0e4ddb88fa.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f958c03192217b33.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6a937665f3cd6c5f.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e29e11dee090b90f.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-83c4e27232163c87.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-39348c626a7cd664.rlib" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-a98540404781e6a7.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/7fea0229842e79db1159ea58ad9a653b288efee9-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f0f63061644276a5.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-8837a2a0b72035c3.rlib(backtrace-8837a2a0b72035c3.backtrace.6njy0zd8-cgu.12.rcgu.o): In function `_RNCNsNtNaCs12UdWyi4CI_9backtrace9symbolize12libbacktrace10init_state0B7_': [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-8837a2a0b72035c3.rlib(backtrace-8837a2a0b72035c3.backtrace.6njy0zd8-cgu.12.rcgu.o): In function `_RNyNtNaCs12UdWyi4CI_9backtrace9symbolize12libbacktrace7resolve': [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" "dbc3151e56080da46b275384c56a131e348febd54a40b1beef938593d789bf73"` [INFO] running `"docker" "rm" "-f" "dbc3151e56080da46b275384c56a131e348febd54a40b1beef938593d789bf73"` [INFO] [stdout] dbc3151e56080da46b275384c56a131e348febd54a40b1beef938593d789bf73