[INFO] cloning repository https://github.com/ALeitert/RMQ.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ALeitert/RMQ.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FALeitert%2FRMQ.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FALeitert%2FRMQ.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae1c1add4269d88d691cc9341e5f3c47e6f2258e
[INFO] checking ALeitert/RMQ.rs against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FALeitert%2FRMQ.rs" "/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/ALeitert/RMQ.rs
[INFO] finished tweaking git repo https://github.com/ALeitert/RMQ.rs
[INFO] tweaked toml for git repo https://github.com/ALeitert/RMQ.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ALeitert/RMQ.rs on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ALeitert/RMQ.rs 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a435797c86fe7c92fc12cae944c68383ecd73b58126a2106657262e5a538b8b5
[INFO] running `Command { std: "docker" "start" "-a" "a435797c86fe7c92fc12cae944c68383ecd73b58126a2106657262e5a538b8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a435797c86fe7c92fc12cae944c68383ecd73b58126a2106657262e5a538b8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a435797c86fe7c92fc12cae944c68383ecd73b58126a2106657262e5a538b8b5", kill_on_drop: false }`
[INFO] [stdout] a435797c86fe7c92fc12cae944c68383ecd73b58126a2106657262e5a538b8b5
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f98341a47a14a2cf378e801ad18fb54924f012d55f2f1eb6cb037269a63c84f
[INFO] running `Command { std: "docker" "start" "-a" "2f98341a47a14a2cf378e801ad18fb54924f012d55f2f1eb6cb037269a63c84f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rmq_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tree_size`
[INFO] [stdout]    --> src/rmq_test.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn get_ancestor_runtime<T>(tree_size: usize, queries: usize, seed: u64) -> TimePair
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tree_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queries`
[INFO] [stdout]    --> src/rmq_test.rs:114:50
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn get_ancestor_runtime<T>(tree_size: usize, queries: usize, seed: u64) -> TimePair
[INFO] [stdout]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_queries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seed`
[INFO] [stdout]    --> src/rmq_test.rs:114:66
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn get_ancestor_runtime<T>(tree_size: usize, queries: usize, seed: u64) -> TimePair
[INFO] [stdout]     |                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree_size`
[INFO] [stdout]    --> src/rmq_test.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn get_ancestor_runtime<T>(tree_size: usize, queries: usize, seed: u64) -> TimePair
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tree_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queries`
[INFO] [stdout]    --> src/rmq_test.rs:114:50
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn get_ancestor_runtime<T>(tree_size: usize, queries: usize, seed: u64) -> TimePair
[INFO] [stdout]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_queries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seed`
[INFO] [stdout]    --> src/rmq_test.rs:114:66
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn get_ancestor_runtime<T>(tree_size: usize, queries: usize, seed: u64) -> TimePair
[INFO] [stdout]     |                                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_c` is never used
[INFO] [stdout]   --> src/log.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const fn log_c(n: usize) -> usize {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_c` is never used
[INFO] [stdout]   --> src/log.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const fn log_c(n: usize) -> usize {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_ancestor_runtime` is never used
[INFO] [stdout]    --> src/rmq_test.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn get_ancestor_runtime<T>(tree_size: usize, queries: usize, seed: u64) -> TimePair
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_ancestor_runtime` is never used
[INFO] [stdout]    --> src/rmq_test.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub fn get_ancestor_runtime<T>(tree_size: usize, queries: usize, seed: u64) -> TimePair
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_tree` is never used
[INFO] [stdout]    --> src/rmq_test.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn generate_tree<R: Rng>(size: usize, rng: &mut R) -> Tree {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_tree` is never used
[INFO] [stdout]    --> src/rmq_test.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn generate_tree<R: Rng>(size: usize, rng: &mut R) -> Tree {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `NodeId` is never used
[INFO] [stdout]  --> src/tree.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type NodeId = usize;
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `NodeId` is never used
[INFO] [stdout]  --> src/tree.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type NodeId = usize;
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NULL_NODE` is never used
[INFO] [stdout]  --> src/tree.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const NULL_NODE: NodeId = NodeId::MAX;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NULL_NODE` is never used
[INFO] [stdout]  --> src/tree.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const NULL_NODE: NodeId = NodeId::MAX;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EulerTour` is never constructed
[INFO] [stdout]   --> src/tree.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct EulerTour {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EulerTour` is never constructed
[INFO] [stdout]   --> src/tree.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct EulerTour {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]   --> src/tree.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Tree {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]   --> src/tree.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Tree {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_parents`, `from_parents_slice`, `parent`, `children`, and `euler_tour` are never used
[INFO] [stdout]   --> src/tree.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Tree {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 36 |     /// Creates an empty tree.
[INFO] [stdout] 37 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn from_parents(parents: Vec<NodeId>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn from_parents_slice(parents: &[NodeId]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn parent(&self, u_id: NodeId) -> NodeId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn children(&self, u_id: NodeId) -> &[NodeId] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn euler_tour(&self) -> EulerTour {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_parents`, `from_parents_slice`, `parent`, `children`, and `euler_tour` are never used
[INFO] [stdout]   --> src/tree.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Tree {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 36 |     /// Creates an empty tree.
[INFO] [stdout] 37 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn from_parents(parents: Vec<NodeId>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn from_parents_slice(parents: &[NodeId]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn parent(&self, u_id: NodeId) -> NodeId {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn children(&self, u_id: NodeId) -> &[NodeId] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn euler_tour(&self) -> EulerTour {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lca` is never constructed
[INFO] [stdout]    --> src/tree.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct Lca<'a, T: Rmq<NodeId>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lca` is never constructed
[INFO] [stdout]    --> src/tree.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct Lca<'a, T: Rmq<NodeId>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `process_data`, and `query` are never used
[INFO] [stdout]    --> src/tree.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl<'a, T: Rmq<NodeId>> Lca<'a, T> {
[INFO] [stdout]     | ----------------------------------- associated items in this implementation
[INFO] [stdout] 134 |     pub fn new(tree: &'a Tree) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn process_data(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn query(&self, u_id: usize, v_id: usize) -> NodeId {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `process_data`, and `query` are never used
[INFO] [stdout]    --> src/tree.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl<'a, T: Rmq<NodeId>> Lca<'a, T> {
[INFO] [stdout]     | ----------------------------------- associated items in this implementation
[INFO] [stdout] 134 |     pub fn new(tree: &'a Tree) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn process_data(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn query(&self, u_id: usize, v_id: usize) -> NodeId {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "2f98341a47a14a2cf378e801ad18fb54924f012d55f2f1eb6cb037269a63c84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f98341a47a14a2cf378e801ad18fb54924f012d55f2f1eb6cb037269a63c84f", kill_on_drop: false }`
[INFO] [stdout] 2f98341a47a14a2cf378e801ad18fb54924f012d55f2f1eb6cb037269a63c84f
