[INFO] cloning repository davidavzP/Move-Character [INFO] running `"git" "clone" "--bare" "git://github.com/davidavzP/Move-Character.git" "work/cache/sources/gh/davidavzP/Move-Character"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/davidavzP/Move-Character'... [INFO] running `"git" "clone" "work/cache/sources/gh/davidavzP/Move-Character" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/davidavzP/Move-Character"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/davidavzP/Move-Character'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/davidavzP/Move-Character" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/davidavzP/Move-Character"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/davidavzP/Move-Character'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d969d93ad4ae530009c52edfa0af98de22a03bcd [INFO] sha for GitHub repo davidavzP/Move-Character: d969d93ad4ae530009c52edfa0af98de22a03bcd [INFO] validating manifest of davidavzP/Move-Character 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 davidavzP/Move-Character 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 davidavzP/Move-Character [INFO] finished frobbing davidavzP/Move-Character [INFO] frobbed toml for davidavzP/Move-Character written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/davidavzP/Move-Character/Cargo.toml [INFO] started frobbing davidavzP/Move-Character [INFO] finished frobbing davidavzP/Move-Character [INFO] frobbed toml for davidavzP/Move-Character written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/davidavzP/Move-Character/Cargo.toml [INFO] crate davidavzP/Move-Character 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing davidavzP/Move-Character against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/davidavzP/Move-Character:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] e34fb2e016033cc5522e315a396693fff14e9d7ec960a59feff146778b867350 [INFO] running `"docker" "start" "-a" "e34fb2e016033cc5522e315a396693fff14e9d7ec960a59feff146778b867350"` [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling usize_conversions v0.2.0 [INFO] [stderr] Compiling zero v0.1.2 [INFO] [stderr] Compiling bit_field v0.9.0 [INFO] [stderr] Compiling ux v0.1.3 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling os_bootinfo v0.2.1 [INFO] [stderr] Compiling font8x8 v0.2.4 [INFO] [stderr] Compiling cpuio v0.2.0 [INFO] [stderr] Compiling spin v0.5.0 [INFO] [stderr] Compiling spin v0.4.10 [INFO] [stderr] Compiling volatile v0.2.6 [INFO] [stderr] Compiling pc-keyboard v0.3.1 [INFO] [stderr] Compiling array-init v0.0.4 [INFO] [stderr] Compiling pic8259_simple v0.1.1 [INFO] [stderr] Compiling xmas-elf v0.6.2 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling pulldown-cmark v0.0.3 [INFO] [stderr] Compiling raw-cpuid v6.1.0 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling skeptic v0.5.0 [INFO] [stderr] Compiling fixedvec v0.2.3 [INFO] [stderr] Compiling x86_64 v0.3.6 [INFO] [stderr] Compiling x86_64 v0.4.2 [INFO] [stderr] Compiling bootloader v0.3.14 [INFO] [stderr] Compiling bare_metal_1 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `core::fmt` [INFO] [stderr] --> src/maze.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use core::fmt; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `lazy_static::lazy_static` [INFO] [stderr] --> src/maze.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use lazy_static::lazy_static; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `spin::Mutex` [INFO] [stderr] --> src/maze.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use spin::Mutex; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `volatile::Volatile` [INFO] [stderr] --> src/maze.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use volatile::Volatile; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/move_char.rs:164:13 [INFO] [stderr] | [INFO] [stderr] 164 | let x = self.buffer.chars[row][column].read().color_code; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/maze.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | fn new(foreground: Color, background: Color) -> ColorCode { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `MAZE_HEIGHT` [INFO] [stderr] --> src/maze.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | const MAZE_HEIGHT: usize = 25; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `MAZE_WIDTH` [INFO] [stderr] --> src/maze.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | const MAZE_WIDTH: usize = 80; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `HELLO` [INFO] [stderr] --> src/main.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | static HELLO: &[u8] = b"Hello World!"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [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/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libbare_metal_1-65cdd2da92005e73.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-7971b32a12abc98a.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-3e245d6607a249ba.rlib" "/opt/crater/target/debug/deps/libcpuio-44b400c0586cbdd5.rlib" "/opt/crater/target/debug/deps/libx86_64-46a935b55581e0e0.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-0515a6dc1914655e.rlib" "/opt/crater/target/debug/deps/libarray_init-6ba58839649927b4.rlib" "/opt/crater/target/debug/deps/libnodrop-3e4eacebea822204.rlib" "/opt/crater/target/debug/deps/libusize_conversions-885df14c24659b2d.rlib" "/opt/crater/target/debug/deps/libbit_field-cd3bb28dc7f4af9e.rlib" "/opt/crater/target/debug/deps/libbitflags-20966be936af198b.rlib" "/opt/crater/target/debug/deps/libux-efadc792039eb950.rlib" "/opt/crater/target/debug/deps/libspin-121c099f003ea3e5.rlib" "/opt/crater/target/debug/deps/liblazy_static-de701c98ee84ab34.rlib" "/opt/crater/target/debug/deps/libspin-efe68d38fb3a8c35.rlib" "/opt/crater/target/debug/deps/libvolatile-a6274c63e85eedc4.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic" [INFO] [stderr] = note: /opt/crater/target/debug/deps/bare_metal_1-6b5fc97db138793f.bare_metal_1.47iwd10h-cgu.9.rcgu.o: In function `_start': [INFO] [stderr] /opt/crater/workdir/src/main.rs:14: multiple definition of `_start' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x12): undefined reference to `__libc_csu_fini' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x19): undefined reference to `__libc_csu_init' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x20): undefined reference to `main' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x26): undefined reference to `__libc_start_main' [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 `bare_metal_1`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "e34fb2e016033cc5522e315a396693fff14e9d7ec960a59feff146778b867350"` [INFO] running `"docker" "rm" "-f" "e34fb2e016033cc5522e315a396693fff14e9d7ec960a59feff146778b867350"` [INFO] [stdout] e34fb2e016033cc5522e315a396693fff14e9d7ec960a59feff146778b867350