[INFO] cloning repository https://github.com/cis1905-fall2025/project2-links [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cis1905-fall2025/project2-links" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcis1905-fall2025%2Fproject2-links", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcis1905-fall2025%2Fproject2-links'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b138eebf4530ac86d851f8bb206f196279a20d5 [INFO] checking cis1905-fall2025/project2-links against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcis1905-fall2025%2Fproject2-links" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cis1905-fall2025/project2-links [INFO] finished tweaking git repo https://github.com/cis1905-fall2025/project2-links [INFO] tweaked toml for git repo https://github.com/cis1905-fall2025/project2-links written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cis1905-fall2025/project2-links on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cis1905-fall2025/project2-links 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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quickcheck v1.0.3 [INFO] [stderr] Downloaded regex v1.10.6 [INFO] [stderr] Downloaded regex-syntax v0.8.4 [INFO] [stderr] Downloaded regex-automata v0.4.7 [INFO] [stderr] Downloaded libc v0.2.159 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6532be929a2547199a0551f8d72e68d895471e429b8b517068d5f992bd85f6c8 [INFO] running `Command { std: "docker" "start" "-a" "6532be929a2547199a0551f8d72e68d895471e429b8b517068d5f992bd85f6c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6532be929a2547199a0551f8d72e68d895471e429b8b517068d5f992bd85f6c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6532be929a2547199a0551f8d72e68d895471e429b8b517068d5f992bd85f6c8", kill_on_drop: false }` [INFO] [stdout] 6532be929a2547199a0551f8d72e68d895471e429b8b517068d5f992bd85f6c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40929d36e1b84bd45e4d275de481954fccd926797b645384297ee47bd07439f2 [INFO] running `Command { std: "docker" "start" "-a" "40929d36e1b84bd45e4d275de481954fccd926797b645384297ee47bd07439f2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking links v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `balance_factor` and `rebalance` are never used [INFO] [stdout] --> src/tree.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 68 | impl TreeNode { [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 88 | fn balance_factor(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn rebalance(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `balance_factor` and `rebalance` are never used [INFO] [stdout] --> src/tree.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 68 | impl TreeNode { [INFO] [stdout] | ------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 88 | fn balance_factor(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn rebalance(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/test_list.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | struct Num(i32); [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PartialEqNum` is never constructed [INFO] [stdout] --> tests/test_list.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct PartialEqNum(i32); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `EqNum` is never constructed [INFO] [stdout] --> tests/test_list.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct EqNum(i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DisplayNum` is never constructed [INFO] [stdout] --> tests/test_list.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | struct DisplayNum(i32); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Num` is never constructed [INFO] [stdout] --> tests/test_tree.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | struct Num(i32); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s [INFO] running `Command { std: "docker" "inspect" "40929d36e1b84bd45e4d275de481954fccd926797b645384297ee47bd07439f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40929d36e1b84bd45e4d275de481954fccd926797b645384297ee47bd07439f2", kill_on_drop: false }` [INFO] [stdout] 40929d36e1b84bd45e4d275de481954fccd926797b645384297ee47bd07439f2