[INFO] updating cached repository https://github.com/davidavzP/Move-Character [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d969d93ad4ae530009c52edfa0af98de22a03bcd [INFO] testing davidavzP/Move-Character against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavidavzP%2FMove-Character" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidavzP/Move-Character on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/davidavzP/Move-Character [INFO] finished tweaking git repo https://github.com/davidavzP/Move-Character [INFO] tweaked toml for git repo https://github.com/davidavzP/Move-Character written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/davidavzP/Move-Character already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7a3d5ad811d98f578d2dfc1dfb676592c9aca96b278d948d491f892cfb4c598b [INFO] running `"docker" "start" "-a" "7a3d5ad811d98f578d2dfc1dfb676592c9aca96b278d948d491f892cfb4c598b"` [INFO] [stderr] Compiling libc v0.2.49 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling cc v1.0.30 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling ux v0.1.3 [INFO] [stderr] Compiling usize_conversions v0.2.0 [INFO] [stderr] Compiling bit_field v0.9.0 [INFO] [stderr] Compiling os_bootinfo v0.2.1 [INFO] [stderr] Compiling zero v0.1.2 [INFO] [stderr] Compiling font8x8 v0.2.4 [INFO] [stderr] Compiling volatile v0.2.6 [INFO] [stderr] Compiling spin v0.4.10 [INFO] [stderr] Compiling getopts v0.2.18 [INFO] [stderr] Compiling xmas-elf v0.6.2 [INFO] [stderr] Compiling pulldown-cmark v0.0.3 [INFO] [stderr] Compiling raw-cpuid v6.1.0 [INFO] [stderr] Compiling rand v0.4.6 [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/rustwide/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: if this is intentional, prefix it 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: 8 warnings emitted [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/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libbare_metal_1-32508587d8e850c2.rlib" "/opt/rustwide/target/debug/deps/libpc_keyboard-e731642fd69974f6.rlib" "/opt/rustwide/target/debug/deps/libpic8259_simple-b0c36641067d4f15.rlib" "/opt/rustwide/target/debug/deps/libcpuio-d679d045f3f5d1c4.rlib" "/opt/rustwide/target/debug/deps/libx86_64-1bb11b4ad39d9efe.rlib" "/opt/rustwide/target/debug/deps/libraw_cpuid-4b94449f7b9a91fe.rlib" "/opt/rustwide/target/debug/deps/libarray_init-7df778ae37ed06cd.rlib" "/opt/rustwide/target/debug/deps/libnodrop-062f6d565c610ff5.rlib" "/opt/rustwide/target/debug/deps/libusize_conversions-32847f88f6c29855.rlib" "/opt/rustwide/target/debug/deps/libbit_field-8ac51ce003a1adbd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e926485744da2fe8.rlib" "/opt/rustwide/target/debug/deps/libux-213d89cef9cfc06b.rlib" "/opt/rustwide/target/debug/deps/libspin-79181cbb5b4b7227.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-16393d47360b8108.rlib" "/opt/rustwide/target/debug/deps/libspin-78a4e0894516ec97.rlib" "/opt/rustwide/target/debug/deps/libvolatile-286044c6d619dcf3.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f827473dd3b319fa.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-53f9c299c549c6a9.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-44132fbb3fcc18d3.rlib" "-Wl,-Bdynamic" [INFO] [stderr] = note: /opt/rustwide/target/debug/deps/bare_metal_1-a7204c1c74010cb7.bare_metal_1.27rd0090-cgu.1.rcgu.o: In function `_start': [INFO] [stderr] /opt/rustwide/workdir/src/main.rs:14: multiple definition of `_start' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x12): undefined reference to `__libc_csu_fini' [INFO] [stderr] (.text+0x19): undefined reference to `__libc_csu_init' [INFO] [stderr] (.text+0x20): undefined reference to `main' [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; 1 warning emitted [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" "7a3d5ad811d98f578d2dfc1dfb676592c9aca96b278d948d491f892cfb4c598b"` [INFO] running `"docker" "rm" "-f" "7a3d5ad811d98f578d2dfc1dfb676592c9aca96b278d948d491f892cfb4c598b"` [INFO] [stdout] 7a3d5ad811d98f578d2dfc1dfb676592c9aca96b278d948d491f892cfb4c598b