[INFO] cloning repository https://github.com/mi-wada/rust99 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mi-wada/rust99" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust99", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust99'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e11f95fb65ca2d3a0cb138200dee57b525930970 [INFO] testing mi-wada/rust99 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%2Fmi-wada%2Frust99" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mi-wada/rust99 [INFO] finished tweaking git repo https://github.com/mi-wada/rust99 [INFO] tweaked toml for git repo https://github.com/mi-wada/rust99 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mi-wada/rust99 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/mi-wada/rust99 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 877114dae6374297aa6fa5cf5222263813dd88f97636a5d4ea8f020245424474 [INFO] running `Command { std: "docker" "start" "-a" "877114dae6374297aa6fa5cf5222263813dd88f97636a5d4ea8f020245424474", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "877114dae6374297aa6fa5cf5222263813dd88f97636a5d4ea8f020245424474", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "877114dae6374297aa6fa5cf5222263813dd88f97636a5d4ea8f020245424474", kill_on_drop: false }` [INFO] [stdout] 877114dae6374297aa6fa5cf5222263813dd88f97636a5d4ea8f020245424474 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] abbd61d8859679cbdd9f50f7acde8cc3561f5fc3795b9fad959c37ebc44e048b [INFO] running `Command { std: "docker" "start" "-a" "abbd61d8859679cbdd9f50f7acde8cc3561f5fc3795b9fad959c37ebc44e048b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling getrandom v0.2.3 [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 rust99 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `node_count`, `leaf_count`, and `is_mirror_of` are never used [INFO] [stdout] --> src/main.rs:1043:8 [INFO] [stdout] | [INFO] [stdout] 1042 | impl Tree { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 1043 | fn node_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1053 | fn leaf_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1066 | fn is_mirror_of(&self, other: &Tree) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `node`, `leaf`, and `end` are never used [INFO] [stdout] --> src/main.rs:1089:8 [INFO] [stdout] | [INFO] [stdout] 1088 | impl Tree { [INFO] [stdout] | ----------------------------- associated functions in this implementation [INFO] [stdout] 1089 | fn node(value: T, left: Tree, right: Tree) -> Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 1097 | fn leaf(value: T) -> Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 1105 | fn end() -> Tree { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.68s [INFO] running `Command { std: "docker" "inspect" "abbd61d8859679cbdd9f50f7acde8cc3561f5fc3795b9fad959c37ebc44e048b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abbd61d8859679cbdd9f50f7acde8cc3561f5fc3795b9fad959c37ebc44e048b", kill_on_drop: false }` [INFO] [stdout] abbd61d8859679cbdd9f50f7acde8cc3561f5fc3795b9fad959c37ebc44e048b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] d4d0451b03e059910c8e62613b39d43146c3cca122429fc61ae68b45f5b97f35 [INFO] running `Command { std: "docker" "start" "-a" "d4d0451b03e059910c8e62613b39d43146c3cca122429fc61ae68b45f5b97f35", kill_on_drop: false }` [INFO] [stderr] Compiling rust99 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `li` [INFO] [stdout] --> src/main.rs:463:13 [INFO] [stdout] | [INFO] [stdout] 463 | let li = vec!['a', 'b', 'c', 'd', 'e']; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_li` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `groups` [INFO] [stdout] --> src/main.rs:533:13 [INFO] [stdout] | [INFO] [stdout] 533 | let groups = group3(&li); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `balanced_symbetric_trees` [INFO] [stdout] --> src/main.rs:912:13 [INFO] [stdout] | [INFO] [stdout] 912 | let balanced_symbetric_trees: Vec> = balanced_trees(5, 'x') [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_balanced_symbetric_trees` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> src/main.rs:978:27 [INFO] [stdout] | [INFO] [stdout] 978 | fn min_hbal_nodes(height: usize) -> usize { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `p12` is never used [INFO] [stdout] --> src/main.rs:230:8 [INFO] [stdout] | [INFO] [stdout] 230 | fn p12() { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `combinations` is never used [INFO] [stdout] --> src/main.rs:464:12 [INFO] [stdout] | [INFO] [stdout] 464 | fn combinations(k: usize, li: &[T]) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `p29` is never used [INFO] [stdout] --> src/main.rs:568:8 [INFO] [stdout] | [INFO] [stdout] 568 | fn p29() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `is_prime` are never used [INFO] [stdout] --> src/main.rs:575:16 [INFO] [stdout] | [INFO] [stdout] 574 | impl PrimeJudgement { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 575 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 581 | fn is_prime(&mut self, n: usize) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cbal_trees` is never used [INFO] [stdout] --> src/main.rs:778:12 [INFO] [stdout] | [INFO] [stdout] 778 | fn cbal_trees(n: usize, symbol: char) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `from_list` is never used [INFO] [stdout] --> src/main.rs:854:12 [INFO] [stdout] | [INFO] [stdout] 854 | fn from_list(v: &Vec) -> Tree { [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/rustctOoPFB/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{librand-e9974d6281fb9451.rlib,librand_chacha-cf243b48065bf2bc.rlib,libppv_lite86-5a92c3ab26105205.rlib,librand_core-f6b7655b59d45439.rlib,libgetrandom-1eec74ff5d7cfa38.rlib,liblibc-778d5cfc1fe43396.rlib,libcfg_if-66d55f6b302e88c8.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/rustctOoPFB/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/rust99-776c7a1609d69c99" "-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-1eec74ff5d7cfa38.rlib(getrandom-1eec74ff5d7cfa38.getrandom.a916d5d06e725628-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_readonly17h5b0fb94fc0168998E+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 `rust99` (bin "rust99" test) due to 1 previous error; 10 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d4d0451b03e059910c8e62613b39d43146c3cca122429fc61ae68b45f5b97f35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4d0451b03e059910c8e62613b39d43146c3cca122429fc61ae68b45f5b97f35", kill_on_drop: false }` [INFO] [stdout] d4d0451b03e059910c8e62613b39d43146c3cca122429fc61ae68b45f5b97f35