[INFO] updating cached repository https://github.com/rodrigovalle/segment_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3683d1589315d7d44bd65da7f4fcb0ca0217e12b
[INFO] testing rodrigovalle/segment_tree against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigovalle%2Fsegment_tree" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rodrigovalle/segment_tree on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rodrigovalle/segment_tree
[INFO] finished tweaking git repo https://github.com/rodrigovalle/segment_tree
[INFO] tweaked toml for git repo https://github.com/rodrigovalle/segment_tree written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rodrigovalle/segment_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4adac9cfadcbb2d8f8e835b5533bf670fb14ebac962928649b8137a92349dbc1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4adac9cfadcbb2d8f8e835b5533bf670fb14ebac962928649b8137a92349dbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4adac9cfadcbb2d8f8e835b5533bf670fb14ebac962928649b8137a92349dbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4adac9cfadcbb2d8f8e835b5533bf670fb14ebac962928649b8137a92349dbc1", kill_on_drop: false }`
[INFO] [stdout] 4adac9cfadcbb2d8f8e835b5533bf670fb14ebac962928649b8137a92349dbc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8638056e238541cd5a8e5b5775d91ac04b944e78393169731ac941879b156d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e8638056e238541cd5a8e5b5775d91ac04b944e78393169731ac941879b156d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling segment_tree_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(start: i32, end: i32) -> Interval {
[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: `contains`
[INFO] [stdout]   --> src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn contains(&self, rhs: &Interval) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `intersects`
[INFO] [stdout]   --> src/lib.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn intersects(&self, rhs: &Interval) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_point`
[INFO] [stdout]   --> src/lib.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn contains_point(&self, pt: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `UpdateParent`
[INFO] [stdout]   --> src/lib.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 | enum UpdateParent {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(segments: Vec<Interval>) -> SegmentTree {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `construct_tree`
[INFO] [stdout]    --> src/lib.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn construct_tree(sorted_points: Vec<i32>) -> Vec<Node> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_parents`
[INFO] [stdout]    --> src/lib.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn update_parents(tree: &mut Vec<Node>, child_i: usize, opt: UpdateParent) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/lib.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn insert(segment: Interval, tree: &mut Vec<Node>, root: usize) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query`
[INFO] [stdout]    --> src/lib.rs:258:12
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn query(&self, p: i32) -> Vec<Interval> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 | /                     write!(
[INFO] [stdout] 80 | |                         f,
[INFO] [stdout] 81 | |                         "({},{})",
[INFO] [stdout] 82 | |                         node.interval.start, node.interval.end
[INFO] [stdout] 83 | |                     );
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             write!(f, "\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "e8638056e238541cd5a8e5b5775d91ac04b944e78393169731ac941879b156d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8638056e238541cd5a8e5b5775d91ac04b944e78393169731ac941879b156d5", kill_on_drop: false }`
[INFO] [stdout] e8638056e238541cd5a8e5b5775d91ac04b944e78393169731ac941879b156d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b27e9539d9130ea6f9d7ccf2090e867d1a37911f733f7cb69f96fb52e536ce18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b27e9539d9130ea6f9d7ccf2090e867d1a37911f733f7cb69f96fb52e536ce18", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(start: i32, end: i32) -> Interval {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling segment_tree_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `contains`
[INFO] [stdout]   --> src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn contains(&self, rhs: &Interval) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `intersects`
[INFO] [stdout]   --> src/lib.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn intersects(&self, rhs: &Interval) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_point`
[INFO] [stdout]   --> src/lib.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn contains_point(&self, pt: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `UpdateParent`
[INFO] [stdout]   --> src/lib.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 | enum UpdateParent {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn new(segments: Vec<Interval>) -> SegmentTree {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `construct_tree`
[INFO] [stdout]    --> src/lib.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn construct_tree(sorted_points: Vec<i32>) -> Vec<Node> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_parents`
[INFO] [stdout]    --> src/lib.rs:195:8
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn update_parents(tree: &mut Vec<Node>, child_i: usize, opt: UpdateParent) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]    --> src/lib.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn insert(segment: Interval, tree: &mut Vec<Node>, root: usize) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query`
[INFO] [stdout]    --> src/lib.rs:258:12
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn query(&self, p: i32) -> Vec<Interval> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 | /                     write!(
[INFO] [stdout] 80 | |                         f,
[INFO] [stdout] 81 | |                         "({},{})",
[INFO] [stdout] 82 | |                         node.interval.start, node.interval.end
[INFO] [stdout] 83 | |                     );
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             write!(f, "\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 | /                     write!(
[INFO] [stdout] 80 | |                         f,
[INFO] [stdout] 81 | |                         "({},{})",
[INFO] [stdout] 82 | |                         node.interval.start, node.interval.end
[INFO] [stdout] 83 | |                     );
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             write!(f, "\n");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "b27e9539d9130ea6f9d7ccf2090e867d1a37911f733f7cb69f96fb52e536ce18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27e9539d9130ea6f9d7ccf2090e867d1a37911f733f7cb69f96fb52e536ce18", kill_on_drop: false }`
[INFO] [stdout] b27e9539d9130ea6f9d7ccf2090e867d1a37911f733f7cb69f96fb52e536ce18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 281fe94ee446dccf3f4f61bf2b102df926fb0a10df5aa7780e7a486fac3dbda2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "281fe94ee446dccf3f4f61bf2b102df926fb0a10df5aa7780e7a486fac3dbda2", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn new(start: i32, end: i32) -> Interval {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `contains`
[INFO] [stderr]   --> src/lib.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn contains(&self, rhs: &Interval) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `intersects`
[INFO] [stderr]   --> src/lib.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn intersects(&self, rhs: &Interval) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `contains_point`
[INFO] [stderr]   --> src/lib.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn contains_point(&self, pt: i32) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `UpdateParent`
[INFO] [stderr]   --> src/lib.rs:43:6
[INFO] [stderr]    |
[INFO] [stderr] 43 | enum UpdateParent {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn new(segments: Vec<Interval>) -> SegmentTree {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `construct_tree`
[INFO] [stderr]    --> src/lib.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn construct_tree(sorted_points: Vec<i32>) -> Vec<Node> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update_parents`
[INFO] [stderr]    --> src/lib.rs:195:8
[INFO] [stderr]     |
[INFO] [stderr] 195 |     fn update_parents(tree: &mut Vec<Node>, child_i: usize, opt: UpdateParent) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert`
[INFO] [stderr]    --> src/lib.rs:237:8
[INFO] [stderr]     |
[INFO] [stderr] 237 |     fn insert(segment: Interval, tree: &mut Vec<Node>, root: usize) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `query`
[INFO] [stderr]    --> src/lib.rs:258:12
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub fn query(&self, p: i32) -> Vec<Interval> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 | /                     write!(
[INFO] [stderr] 80 | |                         f,
[INFO] [stderr] 81 | |                         "({},{})",
[INFO] [stderr] 82 | |                         node.interval.start, node.interval.end
[INFO] [stderr] 83 | |                     );
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             write!(f, "\n");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 | /                     write!(
[INFO] [stderr] 80 | |                         f,
[INFO] [stderr] 81 | |                         "({},{})",
[INFO] [stderr] 82 | |                         node.interval.start, node.interval.end
[INFO] [stderr] 83 | |                     );
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             write!(f, "\n");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/segment_tree_rs-3a20053426eb0771
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests segment_tree_rs
[INFO] [stdout] test tests::test_one_segment ... ok
[INFO] [stdout] test tests::test_four_segments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "281fe94ee446dccf3f4f61bf2b102df926fb0a10df5aa7780e7a486fac3dbda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281fe94ee446dccf3f4f61bf2b102df926fb0a10df5aa7780e7a486fac3dbda2", kill_on_drop: false }`
[INFO] [stdout] 281fe94ee446dccf3f4f61bf2b102df926fb0a10df5aa7780e7a486fac3dbda2