[INFO] cloning repository https://github.com/CCBTony/rust_datastruct [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CCBTony/rust_datastruct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCCBTony%2Frust_datastruct", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCCBTony%2Frust_datastruct'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25b0fc476ee391f5c4a90961f1ea540285622ffe [INFO] testing CCBTony/rust_datastruct against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCCBTony%2Frust_datastruct" "/workspace/builds/worker-114/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CCBTony/rust_datastruct on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CCBTony/rust_datastruct [INFO] finished tweaking git repo https://github.com/CCBTony/rust_datastruct [INFO] tweaked toml for git repo https://github.com/CCBTony/rust_datastruct written to /workspace/builds/worker-114/source/Cargo.toml [INFO] crate git repo https://github.com/CCBTony/rust_datastruct already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getset v0.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 337f2d181d8b734321fc684603904b041b420f4b8da75f82ee23d6f2110d5cb2 [INFO] running `Command { std: "docker" "start" "-a" "337f2d181d8b734321fc684603904b041b420f4b8da75f82ee23d6f2110d5cb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "337f2d181d8b734321fc684603904b041b420f4b8da75f82ee23d6f2110d5cb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "337f2d181d8b734321fc684603904b041b420f4b8da75f82ee23d6f2110d5cb2", kill_on_drop: false }` [INFO] [stdout] 337f2d181d8b734321fc684603904b041b420f4b8da75f82ee23d6f2110d5cb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81a25ee5367b48f0d9a41d6a3637b772cee749f0b5f0a116849ea0bbad3b4620 [INFO] running `Command { std: "docker" "start" "-a" "81a25ee5367b48f0d9a41d6a3637b772cee749f0b5f0a116849ea0bbad3b4620", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling getset v0.0.7 [INFO] [stderr] Compiling rust_study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tree::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tree::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cur_p` [INFO] [stdout] --> src/tree.rs:434:21 [INFO] [stdout] | [INFO] [stdout] 434 | let cur_p = cur.as_ptr(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_p` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:555:25 [INFO] [stdout] | [INFO] [stdout] 555 | let mut k1 = Rc::clone(&root); [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/tree.rs:556:25 [INFO] [stdout] | [INFO] [stdout] 556 | let mut k2 = link_right(Rc::clone(&k1), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:557:25 [INFO] [stdout] | [INFO] [stdout] 557 | let mut y = link_left(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:567:25 [INFO] [stdout] | [INFO] [stdout] 567 | let mut k1 = Rc::clone(&root); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:568:25 [INFO] [stdout] | [INFO] [stdout] 568 | let mut k3 = link_left(Rc::clone(&k1), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:569:25 [INFO] [stdout] | [INFO] [stdout] 569 | let mut k2 = link_right(Rc::clone(&k3), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:570:25 [INFO] [stdout] | [INFO] [stdout] 570 | let mut b = link_left(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:571:25 [INFO] [stdout] | [INFO] [stdout] 571 | let mut c = link_right(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:583:25 [INFO] [stdout] | [INFO] [stdout] 583 | let mut k2 = Rc::clone(&root); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:584:25 [INFO] [stdout] | [INFO] [stdout] 584 | let mut k1 = link_left(Rc::clone(&k2), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:585:25 [INFO] [stdout] | [INFO] [stdout] 585 | let mut y = link_left(Rc::clone(&k1), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:595:25 [INFO] [stdout] | [INFO] [stdout] 595 | let mut k3 = Rc::clone(&root); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:596:25 [INFO] [stdout] | [INFO] [stdout] 596 | let mut k1 = link_left(Rc::clone(&k3), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:597:25 [INFO] [stdout] | [INFO] [stdout] 597 | let mut k2 = link_right(Rc::clone(&k1), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:598:25 [INFO] [stdout] | [INFO] [stdout] 598 | let mut b = link_left(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:599:25 [INFO] [stdout] | [INFO] [stdout] 599 | let mut c = link_right(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/tree.rs:46:16 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(key: String, value: V) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `depth` [INFO] [stdout] --> src/tree.rs:56:16 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn depth(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dumps` [INFO] [stdout] --> src/tree.rs:316:12 [INFO] [stdout] | [INFO] [stdout] 316 | pub fn dumps(node: Rc>>, level: i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/tree.rs:473:16 [INFO] [stdout] | [INFO] [stdout] 473 | pub fn new() -> Self { Self { root: None } } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `min_val` [INFO] [stdout] --> src/tree.rs:475:16 [INFO] [stdout] | [INFO] [stdout] 475 | pub fn min_val(&self) -> Option>> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `min_val_clone` [INFO] [stdout] --> src/tree.rs:493:16 [INFO] [stdout] | [INFO] [stdout] 493 | pub fn min_val_clone(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_val` [INFO] [stdout] --> src/tree.rs:500:16 [INFO] [stdout] | [INFO] [stdout] 500 | pub fn max_val(&self) -> Option>> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_val_clone` [INFO] [stdout] --> src/tree.rs:518:16 [INFO] [stdout] | [INFO] [stdout] 518 | pub fn max_val_clone(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `height` [INFO] [stdout] --> src/tree.rs:525:16 [INFO] [stdout] | [INFO] [stdout] 525 | pub fn height(&self) -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.40s [INFO] running `Command { std: "docker" "inspect" "81a25ee5367b48f0d9a41d6a3637b772cee749f0b5f0a116849ea0bbad3b4620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81a25ee5367b48f0d9a41d6a3637b772cee749f0b5f0a116849ea0bbad3b4620", kill_on_drop: false }` [INFO] [stdout] 81a25ee5367b48f0d9a41d6a3637b772cee749f0b5f0a116849ea0bbad3b4620 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9af147022c57cb361a0b3633b0cf2ee1de9e148b2da4b44591096d14b4b9a29b [INFO] running `Command { std: "docker" "start" "-a" "9af147022c57cb361a0b3633b0cf2ee1de9e148b2da4b44591096d14b4b9a29b", kill_on_drop: false }` [INFO] [stderr] Compiling rust_study v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tree::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tree::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cur_p` [INFO] [stdout] --> src/tree.rs:434:21 [INFO] [stdout] | [INFO] [stdout] 434 | let cur_p = cur.as_ptr(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_p` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:555:25 [INFO] [stdout] | [INFO] [stdout] 555 | let mut k1 = Rc::clone(&root); [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/tree.rs:556:25 [INFO] [stdout] | [INFO] [stdout] 556 | let mut k2 = link_right(Rc::clone(&k1), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:557:25 [INFO] [stdout] | [INFO] [stdout] 557 | let mut y = link_left(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:567:25 [INFO] [stdout] | [INFO] [stdout] 567 | let mut k1 = Rc::clone(&root); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:568:25 [INFO] [stdout] | [INFO] [stdout] 568 | let mut k3 = link_left(Rc::clone(&k1), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:569:25 [INFO] [stdout] | [INFO] [stdout] 569 | let mut k2 = link_right(Rc::clone(&k3), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:570:25 [INFO] [stdout] | [INFO] [stdout] 570 | let mut b = link_left(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:571:25 [INFO] [stdout] | [INFO] [stdout] 571 | let mut c = link_right(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:583:25 [INFO] [stdout] | [INFO] [stdout] 583 | let mut k2 = Rc::clone(&root); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:584:25 [INFO] [stdout] | [INFO] [stdout] 584 | let mut k1 = link_left(Rc::clone(&k2), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:585:25 [INFO] [stdout] | [INFO] [stdout] 585 | let mut y = link_left(Rc::clone(&k1), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:595:25 [INFO] [stdout] | [INFO] [stdout] 595 | let mut k3 = Rc::clone(&root); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:596:25 [INFO] [stdout] | [INFO] [stdout] 596 | let mut k1 = link_left(Rc::clone(&k3), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:597:25 [INFO] [stdout] | [INFO] [stdout] 597 | let mut k2 = link_right(Rc::clone(&k1), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:598:25 [INFO] [stdout] | [INFO] [stdout] 598 | let mut b = link_left(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:599:25 [INFO] [stdout] | [INFO] [stdout] 599 | let mut c = link_right(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/tree.rs:46:16 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn new(key: String, value: V) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `depth` [INFO] [stdout] --> src/tree.rs:56:16 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn depth(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `dumps` [INFO] [stdout] --> src/tree.rs:316:12 [INFO] [stdout] | [INFO] [stdout] 316 | pub fn dumps(node: Rc>>, level: i32) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/tree.rs:473:16 [INFO] [stdout] | [INFO] [stdout] 473 | pub fn new() -> Self { Self { root: None } } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `min_val` [INFO] [stdout] --> src/tree.rs:475:16 [INFO] [stdout] | [INFO] [stdout] 475 | pub fn min_val(&self) -> Option>> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `min_val_clone` [INFO] [stdout] --> src/tree.rs:493:16 [INFO] [stdout] | [INFO] [stdout] 493 | pub fn min_val_clone(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_val` [INFO] [stdout] --> src/tree.rs:500:16 [INFO] [stdout] | [INFO] [stdout] 500 | pub fn max_val(&self) -> Option>> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `max_val_clone` [INFO] [stdout] --> src/tree.rs:518:16 [INFO] [stdout] | [INFO] [stdout] 518 | pub fn max_val_clone(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `height` [INFO] [stdout] --> src/tree.rs:525:16 [INFO] [stdout] | [INFO] [stdout] 525 | pub fn height(&self) -> i32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::search::*` [INFO] [stdout] --> src/tree.rs:655:13 [INFO] [stdout] | [INFO] [stdout] 655 | use super::search::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tree::*` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tree::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::search` [INFO] [stdout] --> src/tree.rs:623:13 [INFO] [stdout] | [INFO] [stdout] 623 | use super::search::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cur_p` [INFO] [stdout] --> src/tree.rs:434:21 [INFO] [stdout] | [INFO] [stdout] 434 | let cur_p = cur.as_ptr(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_p` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:555:25 [INFO] [stdout] | [INFO] [stdout] 555 | let mut k1 = Rc::clone(&root); [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/tree.rs:556:25 [INFO] [stdout] | [INFO] [stdout] 556 | let mut k2 = link_right(Rc::clone(&k1), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:557:25 [INFO] [stdout] | [INFO] [stdout] 557 | let mut y = link_left(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:567:25 [INFO] [stdout] | [INFO] [stdout] 567 | let mut k1 = Rc::clone(&root); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:568:25 [INFO] [stdout] | [INFO] [stdout] 568 | let mut k3 = link_left(Rc::clone(&k1), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:569:25 [INFO] [stdout] | [INFO] [stdout] 569 | let mut k2 = link_right(Rc::clone(&k3), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:570:25 [INFO] [stdout] | [INFO] [stdout] 570 | let mut b = link_left(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:571:25 [INFO] [stdout] | [INFO] [stdout] 571 | let mut c = link_right(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:583:25 [INFO] [stdout] | [INFO] [stdout] 583 | let mut k2 = Rc::clone(&root); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:584:25 [INFO] [stdout] | [INFO] [stdout] 584 | let mut k1 = link_left(Rc::clone(&k2), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:585:25 [INFO] [stdout] | [INFO] [stdout] 585 | let mut y = link_left(Rc::clone(&k1), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:595:25 [INFO] [stdout] | [INFO] [stdout] 595 | let mut k3 = Rc::clone(&root); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:596:25 [INFO] [stdout] | [INFO] [stdout] 596 | let mut k1 = link_left(Rc::clone(&k3), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:597:25 [INFO] [stdout] | [INFO] [stdout] 597 | let mut k2 = link_right(Rc::clone(&k1), None).unwrap(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:598:25 [INFO] [stdout] | [INFO] [stdout] 598 | let mut b = link_left(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tree.rs:599:25 [INFO] [stdout] | [INFO] [stdout] 599 | let mut c = link_right(Rc::clone(&k2), None); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "9af147022c57cb361a0b3633b0cf2ee1de9e148b2da4b44591096d14b4b9a29b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9af147022c57cb361a0b3633b0cf2ee1de9e148b2da4b44591096d14b4b9a29b", kill_on_drop: false }` [INFO] [stdout] 9af147022c57cb361a0b3633b0cf2ee1de9e148b2da4b44591096d14b4b9a29b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2b7751d6a2a79eabbbae83468a1d91ae4176b78048de87bcea3d54895207e31e [INFO] running `Command { std: "docker" "start" "-a" "2b7751d6a2a79eabbbae83468a1d91ae4176b78048de87bcea3d54895207e31e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `super::search::*` [INFO] [stderr] --> src/tree.rs:655:13 [INFO] [stderr] | [INFO] [stderr] 655 | use super::search::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tree::*` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use tree::*; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::search` [INFO] [stderr] --> src/tree.rs:623:13 [INFO] [stderr] | [INFO] [stderr] 623 | use super::search::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cur_p` [INFO] [stderr] --> src/tree.rs:434:21 [INFO] [stderr] | [INFO] [stderr] 434 | let cur_p = cur.as_ptr(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_p` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:555:25 [INFO] [stderr] | [INFO] [stderr] 555 | let mut k1 = Rc::clone(&root); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:556:25 [INFO] [stderr] | [INFO] [stderr] 556 | let mut k2 = link_right(Rc::clone(&k1), None).unwrap(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:557:25 [INFO] [stderr] | [INFO] [stderr] 557 | let mut y = link_left(Rc::clone(&k2), None); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:567:25 [INFO] [stderr] | [INFO] [stderr] 567 | let mut k1 = Rc::clone(&root); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:568:25 [INFO] [stderr] | [INFO] [stderr] 568 | let mut k3 = link_left(Rc::clone(&k1), None).unwrap(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:569:25 [INFO] [stderr] | [INFO] [stderr] 569 | let mut k2 = link_right(Rc::clone(&k3), None).unwrap(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:570:25 [INFO] [stderr] | [INFO] [stderr] 570 | let mut b = link_left(Rc::clone(&k2), None); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:571:25 [INFO] [stderr] | [INFO] [stderr] 571 | let mut c = link_right(Rc::clone(&k2), None); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:583:25 [INFO] [stderr] | [INFO] [stderr] 583 | let mut k2 = Rc::clone(&root); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:584:25 [INFO] [stderr] | [INFO] [stderr] 584 | let mut k1 = link_left(Rc::clone(&k2), None).unwrap(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:585:25 [INFO] [stderr] | [INFO] [stderr] 585 | let mut y = link_left(Rc::clone(&k1), None); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:595:25 [INFO] [stderr] | [INFO] [stderr] 595 | let mut k3 = Rc::clone(&root); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:596:25 [INFO] [stderr] | [INFO] [stderr] 596 | let mut k1 = link_left(Rc::clone(&k3), None).unwrap(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:597:25 [INFO] [stderr] | [INFO] [stderr] 597 | let mut k2 = link_right(Rc::clone(&k1), None).unwrap(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:598:25 [INFO] [stderr] | [INFO] [stderr] 598 | let mut b = link_left(Rc::clone(&k2), None); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree.rs:599:25 [INFO] [stderr] | [INFO] [stderr] 599 | let mut c = link_right(Rc::clone(&k2), None); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused import: `tree::*` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use tree::*; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/tree.rs:46:16 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn new(key: String, value: V) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `depth` [INFO] [stderr] --> src/tree.rs:56:16 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn depth(&self) -> i32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dumps` [INFO] [stderr] --> src/tree.rs:316:12 [INFO] [stderr] | [INFO] [stderr] 316 | pub fn dumps(node: Rc>>, level: i32) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/tree.rs:473:16 [INFO] [stderr] | [INFO] [stderr] 473 | pub fn new() -> Self { Self { root: None } } [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `min_val` [INFO] [stderr] --> src/tree.rs:475:16 [INFO] [stderr] | [INFO] [stderr] 475 | pub fn min_val(&self) -> Option>> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `min_val_clone` [INFO] [stderr] --> src/tree.rs:493:16 [INFO] [stderr] | [INFO] [stderr] 493 | pub fn min_val_clone(&self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `max_val` [INFO] [stderr] --> src/tree.rs:500:16 [INFO] [stderr] | [INFO] [stderr] 500 | pub fn max_val(&self) -> Option>> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `max_val_clone` [INFO] [stderr] --> src/tree.rs:518:16 [INFO] [stderr] | [INFO] [stderr] 518 | pub fn max_val_clone(&self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `height` [INFO] [stderr] --> src/tree.rs:525:16 [INFO] [stderr] | [INFO] [stderr] 525 | pub fn height(&self) -> i32 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust_study` (bin "rust_study" test) generated 20 warnings [INFO] [stderr] warning: `rust_study` (bin "rust_study") generated 27 warnings (17 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_study-543f57bbc2d3dd6a) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tree::tests::binary_node ... ok [INFO] [stdout] test tree::tests::link_test ... ok [INFO] [stdout] test tree::tests::create_avl_tree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/t.rs (/opt/rustwide/target/debug/deps/t-ebe8fce20206c6de) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2b7751d6a2a79eabbbae83468a1d91ae4176b78048de87bcea3d54895207e31e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b7751d6a2a79eabbbae83468a1d91ae4176b78048de87bcea3d54895207e31e", kill_on_drop: false }` [INFO] [stdout] 2b7751d6a2a79eabbbae83468a1d91ae4176b78048de87bcea3d54895207e31e