[INFO] cloning repository https://github.com/junknet/rust-data-struct-notes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/junknet/rust-data-struct-notes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunknet%2Frust-data-struct-notes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunknet%2Frust-data-struct-notes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 776014818ad621a97a6d1c8648df8f9aa45d7275 [INFO] testing junknet/rust-data-struct-notes 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%2Fjunknet%2Frust-data-struct-notes" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/junknet/rust-data-struct-notes [INFO] finished tweaking git repo https://github.com/junknet/rust-data-struct-notes [INFO] tweaked toml for git repo https://github.com/junknet/rust-data-struct-notes written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/junknet/rust-data-struct-notes 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/junknet/rust-data-struct-notes 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 36cc3b8fea5b284071a420373c37692d5cf82bc649f8700c553ea765e147165c [INFO] running `Command { std: "docker" "start" "-a" "36cc3b8fea5b284071a420373c37692d5cf82bc649f8700c553ea765e147165c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36cc3b8fea5b284071a420373c37692d5cf82bc649f8700c553ea765e147165c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36cc3b8fea5b284071a420373c37692d5cf82bc649f8700c553ea765e147165c", kill_on_drop: false }` [INFO] [stdout] 36cc3b8fea5b284071a420373c37692d5cf82bc649f8700c553ea765e147165c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5673bed084f51748effa74d4463d099eaa49975e2febb9e7f96eabf1ccc5f685 [INFO] running `Command { std: "docker" "start" "-a" "5673bed084f51748effa74d4463d099eaa49975e2febb9e7f96eabf1ccc5f685", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling tree-struct v0.1.0 (/opt/rustwide/workdir/tree-struct) [INFO] [stderr] Compiling skip-list v0.1.0 (/opt/rustwide/workdir/skip-list) [INFO] [stdout] warning: unused imports: `cell::RefCell` and `vec` [INFO] [stdout] --> tree-struct/src/main.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, vec}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::seq::SliceRandom` [INFO] [stdout] --> tree-struct/src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::seq::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::thread_rng` [INFO] [stdout] --> tree-struct/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::thread_rng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Deref` [INFO] [stdout] --> tree-struct/src/binary_search_tree.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{mem, ops::Deref}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mem::replace` [INFO] [stdout] --> tree-struct/src/binary_search_tree.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use mem::replace; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `new_device_with_id` is never used [INFO] [stdout] --> tree-struct/src/main.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn new_device_with_id(id: u64) -> IoTDevice { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `new_device_with_id_path` is never used [INFO] [stdout] --> tree-struct/src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn new_device_with_id_path(id: u64, path: impl Into) -> IoTDevice { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Tree` is never used [INFO] [stdout] --> tree-struct/src/binary_search_tree.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | type Tree = Option>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> tree-struct/src/binary_search_tree.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> tree-struct/src/binary_search_tree.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 16 | fn new(dev: IoTDevice) -> Tree { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DeviceRegistry` is never constructed [INFO] [stdout] --> tree-struct/src/binary_search_tree.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct DeviceRegistry { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> tree-struct/src/binary_search_tree.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl DeviceRegistry { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 31 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | pub fn add(&mut self, device: IoTDevice) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn add_rec(&mut self, node: Tree, device: IoTDevice) -> Tree { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn find(&self, number_id: u64) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn find_r(&self, node: &Tree, number_id: u64) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn walk(&self, callback: impl Fn(&IoTDevice) -> ()) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | fn walk_in_order(&self, node: &Tree, callback: &impl Fn(&IoTDevice) -> ()) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `level_path` is never used [INFO] [stdout] --> skip-list/src/main.rs:101:8 [INFO] [stdout] | [INFO] [stdout] 28 | impl SkipList { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 101 | fn level_path(&self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [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/rustcHGcb50/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{librand-51a855c77a044b14.rlib,librand_chacha-7b0777745077d795.rlib,libppv_lite86-5a92c3ab26105205.rlib,librand_core-cb6137baeb864d80.rlib,libgetrandom-85763b2440526962.rlib,liblibc-a726eb467d6993e6.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/rustcHGcb50/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/skip_list-df6acde7878dca8c" "-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-85763b2440526962.rlib(getrandom-85763b2440526962.getrandom.9ecc9a0c8c54479c-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.2/src/util_libc.rs:110:(.text._ZN9getrandom9util_libc13open_readonly17h0c60a07ccb3d9cb5E+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 `skip-list` (bin "skip-list") due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5673bed084f51748effa74d4463d099eaa49975e2febb9e7f96eabf1ccc5f685", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5673bed084f51748effa74d4463d099eaa49975e2febb9e7f96eabf1ccc5f685", kill_on_drop: false }` [INFO] [stdout] 5673bed084f51748effa74d4463d099eaa49975e2febb9e7f96eabf1ccc5f685