[INFO] cloning repository https://github.com/NickChubb/ReversiMCTS [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NickChubb/ReversiMCTS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b5b97f02148b27f86abe29ef2208ba68e003234e [INFO] testing NickChubb/ReversiMCTS against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickChubb%2FReversiMCTS" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/NickChubb/ReversiMCTS [INFO] finished tweaking git repo https://github.com/NickChubb/ReversiMCTS [INFO] tweaked toml for git repo https://github.com/NickChubb/ReversiMCTS written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/NickChubb/ReversiMCTS on toolchain c066bf6804adc55193b71afdff6a56922f4a8689 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/NickChubb/ReversiMCTS already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e18f5aa55294d675c3b30027a2fa4ecbd09f51c7097803f2680e98eb064312b [INFO] running `Command { std: "docker" "start" "-a" "4e18f5aa55294d675c3b30027a2fa4ecbd09f51c7097803f2680e98eb064312b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e18f5aa55294d675c3b30027a2fa4ecbd09f51c7097803f2680e98eb064312b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e18f5aa55294d675c3b30027a2fa4ecbd09f51c7097803f2680e98eb064312b", kill_on_drop: false }` [INFO] [stdout] 4e18f5aa55294d675c3b30027a2fa4ecbd09f51c7097803f2680e98eb064312b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] dea77d2848dc259e5bdb1c76ffc61c631eb9a9219bffd003c2ec967d8a6252a8 [INFO] running `Command { std: "docker" "start" "-a" "dea77d2848dc259e5bdb1c76ffc61c631eb9a9219bffd003c2ec967d8a6252a8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling hashbrown v0.8.1 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling libmath v0.2.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling reversi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `debug` [INFO] [stdout] --> src/main.rs:128:21 [INFO] [stdout] | [INFO] [stdout] 128 | fn print(&self, debug: bool) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_debug` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `u` is never read [INFO] [stdout] --> src/main.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | let mut u: u8 = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `u` is never read [INFO] [stdout] --> src/main.rs:320:17 [INFO] [stdout] | [INFO] [stdout] 320 | let mut u: u8 = 1; // used as the iter for get_new_pos() [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prev_player_score` [INFO] [stdout] --> src/main.rs:841:10 [INFO] [stdout] | [INFO] [stdout] 841 | let (prev_player_score, prev_cpu_score): (u8, u8) = b.get_score(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_player_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `player_score` [INFO] [stdout] --> src/main.rs:857:14 [INFO] [stdout] | [INFO] [stdout] 857 | let (player_score, cpu_score): (u8, u8) = new_board.get_score(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `difficulty` [INFO] [stdout] --> src/main.rs:886:13 [INFO] [stdout] | [INFO] [stdout] 886 | let difficulty: String = match cpu_diff.trim().to_string().as_str() { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_difficulty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:715:34 [INFO] [stdout] | [INFO] [stdout] 715 | if !debug { print!("."); stdout().flush(); } [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 715 | if !debug { print!("."); let _ = stdout().flush(); } [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crti.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtbeginS.o" "/tmp/rustcgE1IcI/symbols.o" "<7 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{libansi_term-bdfff57b5fb49171.rlib,libindexmap-d1570c017a02e152.rlib,libhashbrown-c7508ee852595303.rlib,libregex-430e00fca47259de.rlib,libthread_local-c6b88a4b7954c5cd.rlib,liblazy_static-4b136fc9bfbd2c4b.rlib,libregex_syntax-cb353ff079726287.rlib,libaho_corasick-61bf4caab8600cce.rlib,libmemchr-66f21ea766679294.rlib,librand-72edf82987f8e7f3.rlib,librand_chacha-35ab84ec611db123.rlib,libppv_lite86-ef53971f935c91f9.rlib,librand_core-e9785f9a03ae91ea.rlib,libgetrandom-4b6b66609ee2537c.rlib,liblibc-64a0cdcf2d3b1a85.rlib,libcfg_if-2d17986ae484e939.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*}.rlib" "-lunwind" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libcfg_if-*,liblibc-*}.rlib" "-lc" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustcgE1IcI/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/reversi-8e1fd6b892fa4178" "-Wl,--gc-sections" "-static-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtendS.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtn.o" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/libgetrandom-4b6b66609ee2537c.rlib(getrandom-4b6b66609ee2537c.getrandom.7687bf9de5e0d4a3-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.1.14/src/util_libc.rs:112:(.text._ZN9getrandom9util_libc13open_readonly17ha8fcb3cb9b496bf9E+0x79): undefined reference to `open64' [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified [INFO] [stdout] = note: use the `-l` flag to specify native libraries to link [INFO] [stdout] = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `reversi` (bin "reversi") due to 1 previous error; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dea77d2848dc259e5bdb1c76ffc61c631eb9a9219bffd003c2ec967d8a6252a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dea77d2848dc259e5bdb1c76ffc61c631eb9a9219bffd003c2ec967d8a6252a8", kill_on_drop: false }` [INFO] [stdout] dea77d2848dc259e5bdb1c76ffc61c631eb9a9219bffd003c2ec967d8a6252a8