[INFO] cloning repository https://github.com/yuliyu123/rust_algo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuliyu123/rust_algo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuliyu123%2Frust_algo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuliyu123%2Frust_algo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a641f99a8fa52ead89a6c1e98066ced6d1e2b188
[INFO] testing yuliyu123/rust_algo against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuliyu123%2Frust_algo" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuliyu123/rust_algo on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuliyu123/rust_algo
[INFO] finished tweaking git repo https://github.com/yuliyu123/rust_algo
[INFO] tweaked toml for git repo https://github.com/yuliyu123/rust_algo written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yuliyu123/rust_algo 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "f38e803b8e05b2a16dda0aea67b828e92b1ef5deb34d37969dc9c391eb9b2a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38e803b8e05b2a16dda0aea67b828e92b1ef5deb34d37969dc9c391eb9b2a85", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a59716d4260dbbc4798e7f62fb636740d1d27f1feb2ced713ae46eba20e437ba
[INFO] running `Command { std: "docker" "start" "-a" "a59716d4260dbbc4798e7f62fb636740d1d27f1feb2ced713ae46eba20e437ba", kill_on_drop: false }`
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[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling keccak v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
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[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling rust_algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MerkleTree` is never constructed
[INFO] [stdout]   --> src/merkle/merkle.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MerkleTree<T, M> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `merkle_proof`, `merkle_root`, and `nodes` are never used
[INFO] [stdout]   --> src/merkle/merkle.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | / impl<T, M> MerkleTree<T, M>
[INFO] [stdout] 21 | | where
[INFO] [stdout] 22 | |     T: Ord + Default + Clone,
[INFO] [stdout] 23 | |     M: Merge<Item = T>,
[INFO] [stdout]    | |_______________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |       pub fn merkle_proof(&self, leaf_indices: &[u32]) -> Option<MerkleProof<T, M>> {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |       pub fn merkle_root(&self) -> T {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |       pub fn nodes(&self) -> &[T] {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MerkleProof` is never constructed
[INFO] [stdout]   --> src/merkle/merkle.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct MerkleProof<T, M> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `root`, `verify`, `indices`, and `lemmas` are never used
[INFO] [stdout]    --> src/merkle/merkle.rs:96:12
[INFO] [stdout]     |
[INFO] [stdout] 91  | / impl<T, M> MerkleProof<T, M>
[INFO] [stdout] 92  | | where
[INFO] [stdout] 93  | |     T: Ord + Default + Clone,
[INFO] [stdout] 94  | |     M: Merge<Item = T>,
[INFO] [stdout]     | |_______________________- associated items in this implementation
[INFO] [stdout] 95  |   {
[INFO] [stdout] 96  |       pub fn new(indices: Vec<u32>, lemmas: Vec<T>) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |       pub fn root(&self, leaves: &[T]) -> Option<T> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |       pub fn verify(&self, root: &T, leaves: &[T]) -> bool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |       pub fn indices(&self) -> &[u32] {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |       pub fn lemmas(&self) -> &[T] {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `merkle_root`, `build_merkle_tree`, and `build_merkle_proof` are never used
[INFO] [stdout]    --> src/merkle/merkle.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | / impl<T, M> CBMT<T, M>
[INFO] [stdout] 173 | | where
[INFO] [stdout] 174 | |     T: Ord + Default + Clone,
[INFO] [stdout] 175 | |     M: Merge<Item = T>,
[INFO] [stdout]     | |_______________________- associated functions in this implementation
[INFO] [stdout] 176 |   {
[INFO] [stdout] 177 |       pub fn merkle_root(leaves: &[T]) -> T {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |       pub fn build_merkle_tree(leaves: &[T]) -> MerkleTree<T, M> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |       pub fn build_merkle_proof(leaves: &[T], leaf_indices: &[u32]) -> Option<MerkleProof<T, M>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a59716d4260dbbc4798e7f62fb636740d1d27f1feb2ced713ae46eba20e437ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59716d4260dbbc4798e7f62fb636740d1d27f1feb2ced713ae46eba20e437ba", kill_on_drop: false }`
[INFO] [stdout] a59716d4260dbbc4798e7f62fb636740d1d27f1feb2ced713ae46eba20e437ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1f35df477bcd92fa206f64b37f2c6d4d86e1df2f1354978db32f2c4718d4c15
[INFO] running `Command { std: "docker" "start" "-a" "f1f35df477bcd92fa206f64b37f2c6d4d86e1df2f1354978db32f2c4718d4c15", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stdout] warning: struct `MerkleTree` is never constructed
[INFO] [stdout]   --> src/merkle/merkle.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MerkleTree<T, M> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `merkle_proof`, `merkle_root`, and `nodes` are never used
[INFO] [stdout]   --> src/merkle/merkle.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | / impl<T, M> MerkleTree<T, M>
[INFO] [stdout] 21 | | where
[INFO] [stdout] 22 | |     T: Ord + Default + Clone,
[INFO] [stdout] 23 | |     M: Merge<Item = T>,
[INFO] [stdout]    | |_______________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |       pub fn merkle_proof(&self, leaf_indices: &[u32]) -> Option<MerkleProof<T, M>> {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |       pub fn merkle_root(&self) -> T {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |       pub fn nodes(&self) -> &[T] {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MerkleProof` is never constructed
[INFO] [stdout]   --> src/merkle/merkle.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct MerkleProof<T, M> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `root`, `verify`, `indices`, and `lemmas` are never used
[INFO] [stdout]    --> src/merkle/merkle.rs:96:12
[INFO] [stdout]     |
[INFO] [stdout] 91  | / impl<T, M> MerkleProof<T, M>
[INFO] [stdout] 92  | | where
[INFO] [stdout] 93  | |     T: Ord + Default + Clone,
[INFO] [stdout] 94  | |     M: Merge<Item = T>,
[INFO] [stdout]     | |_______________________- associated items in this implementation
[INFO] [stdout] 95  |   {
[INFO] [stdout] 96  |       pub fn new(indices: Vec<u32>, lemmas: Vec<T>) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |       pub fn root(&self, leaves: &[T]) -> Option<T> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |       pub fn verify(&self, root: &T, leaves: &[T]) -> bool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |       pub fn indices(&self) -> &[u32] {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |       pub fn lemmas(&self) -> &[T] {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `merkle_root`, `build_merkle_tree`, and `build_merkle_proof` are never used
[INFO] [stdout]    --> src/merkle/merkle.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | / impl<T, M> CBMT<T, M>
[INFO] [stdout] 173 | | where
[INFO] [stdout] 174 | |     T: Ord + Default + Clone,
[INFO] [stdout] 175 | |     M: Merge<Item = T>,
[INFO] [stdout]     | |_______________________- associated functions in this implementation
[INFO] [stdout] 176 |   {
[INFO] [stdout] 177 |       pub fn merkle_root(leaves: &[T]) -> T {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |       pub fn build_merkle_tree(leaves: &[T]) -> MerkleTree<T, M> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |       pub fn build_merkle_proof(leaves: &[T], leaf_indices: &[u32]) -> Option<MerkleProof<T, M>> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling rust_algo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `merkle_root` and `nodes` are never used
[INFO] [stdout]   --> src/merkle/merkle.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | / impl<T, M> MerkleTree<T, M>
[INFO] [stdout] 21 | | where
[INFO] [stdout] 22 | |     T: Ord + Default + Clone,
[INFO] [stdout] 23 | |     M: Merge<Item = T>,
[INFO] [stdout]    | |_______________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |       pub fn merkle_root(&self) -> T {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |       pub fn nodes(&self) -> &[T] {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `verify`, `indices`, and `lemmas` are never used
[INFO] [stdout]    --> src/merkle/merkle.rs:96:12
[INFO] [stdout]     |
[INFO] [stdout] 91  | / impl<T, M> MerkleProof<T, M>
[INFO] [stdout] 92  | | where
[INFO] [stdout] 93  | |     T: Ord + Default + Clone,
[INFO] [stdout] 94  | |     M: Merge<Item = T>,
[INFO] [stdout]     | |_______________________- associated items in this implementation
[INFO] [stdout] 95  |   {
[INFO] [stdout] 96  |       pub fn new(indices: Vec<u32>, lemmas: Vec<T>) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |       pub fn verify(&self, root: &T, leaves: &[T]) -> bool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |       pub fn indices(&self) -> &[u32] {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |       pub fn lemmas(&self) -> &[T] {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f1f35df477bcd92fa206f64b37f2c6d4d86e1df2f1354978db32f2c4718d4c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f35df477bcd92fa206f64b37f2c6d4d86e1df2f1354978db32f2c4718d4c15", kill_on_drop: false }`
[INFO] [stdout] f1f35df477bcd92fa206f64b37f2c6d4d86e1df2f1354978db32f2c4718d4c15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3782fe676f26f050e5012d354190c5784128081637dda4d0d09b6b7574184ae9
[INFO] running `Command { std: "docker" "start" "-a" "3782fe676f26f050e5012d354190c5784128081637dda4d0d09b6b7574184ae9", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MerkleTree` is never constructed
[INFO] [stderr]   --> src/merkle/merkle.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct MerkleTree<T, M> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `merkle_proof`, `merkle_root`, and `nodes` are never used
[INFO] [stderr]   --> src/merkle/merkle.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | / impl<T, M> MerkleTree<T, M>
[INFO] [stderr] 21 | | where
[INFO] [stderr] 22 | |     T: Ord + Default + Clone,
[INFO] [stderr] 23 | |     M: Merge<Item = T>,
[INFO] [stderr]    | |_______________________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 26 |       pub fn merkle_proof(&self, leaf_indices: &[u32]) -> Option<MerkleProof<T, M>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |       pub fn merkle_root(&self) -> T {
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 |       pub fn nodes(&self) -> &[T] {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MerkleProof` is never constructed
[INFO] [stderr]   --> src/merkle/merkle.rs:85:12
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub struct MerkleProof<T, M> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `root`, `verify`, `indices`, and `lemmas` are never used
[INFO] [stderr]    --> src/merkle/merkle.rs:96:12
[INFO] [stderr]     |
[INFO] [stderr] 91  | / impl<T, M> MerkleProof<T, M>
[INFO] [stderr] 92  | | where
[INFO] [stderr] 93  | |     T: Ord + Default + Clone,
[INFO] [stderr] 94  | |     M: Merge<Item = T>,
[INFO] [stderr]     | |_______________________- associated items in this implementation
[INFO] [stderr] 95  |   {
[INFO] [stderr] 96  |       pub fn new(indices: Vec<u32>, lemmas: Vec<T>) -> Self {
[INFO] [stderr]     |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 104 |       pub fn root(&self, leaves: &[T]) -> Option<T> {
[INFO] [stderr]     |              ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 150 |       pub fn verify(&self, root: &T, leaves: &[T]) -> bool {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 157 |       pub fn indices(&self) -> &[u32] {
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 161 |       pub fn lemmas(&self) -> &[T] {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `merkle_root`, `build_merkle_tree`, and `build_merkle_proof` are never used
[INFO] [stderr]    --> src/merkle/merkle.rs:177:12
[INFO] [stderr]     |
[INFO] [stderr] 172 | / impl<T, M> CBMT<T, M>
[INFO] [stderr] 173 | | where
[INFO] [stderr] 174 | |     T: Ord + Default + Clone,
[INFO] [stderr] 175 | |     M: Merge<Item = T>,
[INFO] [stderr]     | |_______________________- associated functions in this implementation
[INFO] [stderr] 176 |   {
[INFO] [stderr] 177 |       pub fn merkle_root(leaves: &[T]) -> T {
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 201 |       pub fn build_merkle_tree(leaves: &[T]) -> MerkleTree<T, M> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 223 |       pub fn build_merkle_proof(leaves: &[T], leaf_indices: &[u32]) -> Option<MerkleProof<T, M>> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `merkle_root` and `nodes` are never used
[INFO] [stderr]   --> src/merkle/merkle.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | / impl<T, M> MerkleTree<T, M>
[INFO] [stderr] 21 | | where
[INFO] [stderr] 22 | |     T: Ord + Default + Clone,
[INFO] [stderr] 23 | |     M: Merge<Item = T>,
[INFO] [stderr]    | |_______________________- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 72 |       pub fn merkle_root(&self) -> T {
[INFO] [stderr]    |              ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 |       pub fn nodes(&self) -> &[T] {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `verify`, `indices`, and `lemmas` are never used
[INFO] [stderr]    --> src/merkle/merkle.rs:96:12
[INFO] [stderr]     |
[INFO] [stderr] 91  | / impl<T, M> MerkleProof<T, M>
[INFO] [stderr] 92  | | where
[INFO] [stderr] 93  | |     T: Ord + Default + Clone,
[INFO] [stderr] 94  | |     M: Merge<Item = T>,
[INFO] [stderr]     | |_______________________- associated items in this implementation
[INFO] [stderr] 95  |   {
[INFO] [stderr] 96  |       pub fn new(indices: Vec<u32>, lemmas: Vec<T>) -> Self {
[INFO] [stderr]     |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 150 |       pub fn verify(&self, root: &T, leaves: &[T]) -> bool {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 157 |       pub fn indices(&self) -> &[u32] {
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 161 |       pub fn lemmas(&self) -> &[T] {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_algo` (lib) generated 5 warnings
[INFO] [stderr] warning: `rust_algo` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_algo-c3f110ecf1dc60c3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test merkle::merkle::tests::build_root_directly ... ok
[INFO] [stdout] test merkle::merkle::tests::test_merkle_proof ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_algo-2c911ad2fd63e796)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_algo
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3782fe676f26f050e5012d354190c5784128081637dda4d0d09b6b7574184ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3782fe676f26f050e5012d354190c5784128081637dda4d0d09b6b7574184ae9", kill_on_drop: false }`
[INFO] [stdout] 3782fe676f26f050e5012d354190c5784128081637dda4d0d09b6b7574184ae9
