[INFO] cloning repository https://github.com/neal-o-r/rust-scrabble [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neal-o-r/rust-scrabble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneal-o-r%2Frust-scrabble", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneal-o-r%2Frust-scrabble'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4e20da62df8e873b1300cad0ccb9c5e121952900 [INFO] testing neal-o-r/rust-scrabble 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%2Fneal-o-r%2Frust-scrabble" "/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/neal-o-r/rust-scrabble [INFO] finished tweaking git repo https://github.com/neal-o-r/rust-scrabble [INFO] tweaked toml for git repo https://github.com/neal-o-r/rust-scrabble written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/neal-o-r/rust-scrabble 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/neal-o-r/rust-scrabble 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] 74f696a6c096eed653f102bd0790d06877cce8b909ff115c2a68e8e144957b1d [INFO] running `Command { std: "docker" "start" "-a" "74f696a6c096eed653f102bd0790d06877cce8b909ff115c2a68e8e144957b1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74f696a6c096eed653f102bd0790d06877cce8b909ff115c2a68e8e144957b1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74f696a6c096eed653f102bd0790d06877cce8b909ff115c2a68e8e144957b1d", kill_on_drop: false }` [INFO] [stdout] 74f696a6c096eed653f102bd0790d06877cce8b909ff115c2a68e8e144957b1d [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] 6bd3e229c8c3f3cd1475f7fce1b108bc6c158edbc5e40fe5ad413a3b9fb9b54f [INFO] running `Command { std: "docker" "start" "-a" "6bd3e229c8c3f3cd1475f7fce1b108bc6c158edbc5e40fe5ad413a3b9fb9b54f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling encode_unicode v0.3.6 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling prettytable-rs v0.8.0 [INFO] [stderr] Compiling scrabble v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp` [INFO] [stdout] --> src/racks.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::cmp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/score.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/plays.rs:58:16 [INFO] [stdout] | [INFO] [stdout] 58 | mut plays: &mut Vec) -> () { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/racks.rs:61:32 [INFO] [stdout] | [INFO] [stdout] 61 | rack: &str, mut results: &mut HashSet) { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/score.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | Err(e) => 0 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/score.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 32 | fn letters_played(b: &Board, p: &Play) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `word` is assigned to, but never used [INFO] [stdout] --> src/score.rs:73:13 [INFO] [stdout] | [INFO] [stdout] 73 | let mut word = 1; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_word` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `across` and `down` are never read [INFO] [stdout] --> src/board.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct Board { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 23 | pub board: Vec, [INFO] [stdout] 24 | across: isize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 25 | down: isize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Board` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/rustcVPlsrX/symbols.o" "<10 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{librand-c4998f568bfc32a6.rlib,librand_chacha-88046de1cedb9009.rlib,libppv_lite86-a9f3c9ee76597f1e.rlib,librand_core-e7379593d77a934c.rlib,libgetrandom-a138dc773a2f888e.rlib,libcfg_if-66d55f6b302e88c8.rlib,libitertools-e8b88e4ee28af446.rlib,libeither-e8a0ef7222037a64.rlib,libprettytable-812846d58c6a009b.rlib,libcsv-6b96d83ae8fb581c.rlib,libryu-653032556b772f2f.rlib,libitoa-7c9a83f6047c872a.rlib,libcsv_core-5f22d616292e89d8.rlib,libbstr-6f3144555b11df54.rlib,libregex_automata-2f772042de7a2dcd.rlib,libmemchr-e1aeb49aeb9e7822.rlib,libserde-9fc336e44f1f820c.rlib,libencode_unicode-c913be45848e73d5.rlib,libterm-aa07792847413943.rlib,libdirs-040ffd19531e257e.rlib,libbyteorder-c7092f68299ac016.rlib,libunicode_width-2222409b5ba3ddc6.rlib,libcolored-f064422a4ed9f7d9.rlib,liblazy_static-4b136fc9bfbd2c4b.rlib,libatty-a526d9cc28213be6.rlib,liblibc-7253a04f790802a5.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/rustcVPlsrX/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/scrabble-fe27b515406ec1d3" "-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-a138dc773a2f888e.rlib(getrandom-a138dc773a2f888e.getrandom.4eeba8ad6187f255-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.3/src/util_libc.rs:110:(.text._ZN9getrandom9util_libc13open_readonly17h8f9825d638e74aafE+0xb6): 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 `scrabble` (bin "scrabble") due to 1 previous error; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6bd3e229c8c3f3cd1475f7fce1b108bc6c158edbc5e40fe5ad413a3b9fb9b54f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bd3e229c8c3f3cd1475f7fce1b108bc6c158edbc5e40fe5ad413a3b9fb9b54f", kill_on_drop: false }` [INFO] [stdout] 6bd3e229c8c3f3cd1475f7fce1b108bc6c158edbc5e40fe5ad413a3b9fb9b54f