[INFO] cloning repository https://github.com/Abdulkarim4u/TransactionLog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Abdulkarim4u/TransactionLog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdulkarim4u%2FTransactionLog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdulkarim4u%2FTransactionLog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d4fa8bd758dec9951237ee3c4d0a57eb8af5d28
[INFO] building Abdulkarim4u/TransactionLog against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbdulkarim4u%2FTransactionLog" "/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/Abdulkarim4u/TransactionLog on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Abdulkarim4u/TransactionLog
[INFO] finished tweaking git repo https://github.com/Abdulkarim4u/TransactionLog
[INFO] tweaked toml for git repo https://github.com/Abdulkarim4u/TransactionLog written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Abdulkarim4u/TransactionLog 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded libc v0.2.118
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef062efe302cc542932a142faf455c5d2daeeb20ca908a465d07fd10ec7c4770
[INFO] running `Command { std: "docker" "start" "-a" "ef062efe302cc542932a142faf455c5d2daeeb20ca908a465d07fd10ec7c4770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef062efe302cc542932a142faf455c5d2daeeb20ca908a465d07fd10ec7c4770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef062efe302cc542932a142faf455c5d2daeeb20ca908a465d07fd10ec7c4770", kill_on_drop: false }`
[INFO] [stdout] ef062efe302cc542932a142faf455c5d2daeeb20ca908a465d07fd10ec7c4770
[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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e7ce9d89f4f422a2b7c7d3cea29d32128655eecacab94ebfb76675bf4d980f0
[INFO] running `Command { std: "docker" "start" "-a" "7e7ce9d89f4f422a2b7c7d3cea29d32128655eecacab94ebfb76675bf4d980f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling transactionLog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/doubly_linked_list.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]   --> src/dynamic_array.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::cell::Cell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/skip_list.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/doubly_linked_list.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 19 |     fn new(value: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tail` and `length` are never read
[INFO] [stdout]   --> src/doubly_linked_list.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct BetterTransactionLog {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 30 |     head: Link,
[INFO] [stdout] 31 |     tail: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     pub length: u64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BetterTransactionLog` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `append`, `pop`, `back_iter`, and `iter` are never used
[INFO] [stdout]   --> src/doubly_linked_list.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl BetterTransactionLog {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout] 36 |     pub fn new_empty() -> BetterTransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn append(&mut self, value: String) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn pop(&mut self) -> Option<String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn back_iter(self) -> ListIterator {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn iter(&self) -> ListIterator {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MIN_SIZE` is never used
[INFO] [stdout]   --> src/dynamic_array.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const MIN_SIZE: usize = 10;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cap` and `length` are never read
[INFO] [stdout]   --> src/dynamic_array.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TimestampSaver {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 21 |     buf: Box<[Node]>,
[INFO] [stdout] 22 |     cap: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     pub length: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `grow`, `append`, and `at` are never used
[INFO] [stdout]   --> src/dynamic_array.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl TimestampSaver {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new_empty() -> TimestampSaver {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn grow(&mut self, min_cap: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn append(&mut self, value: u64) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn at(&mut self, index: usize) -> Node {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/singly_linked_list.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]   --> src/singly_linked_list.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Link = Option<Rc<RefCell<Node>>>;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/singly_linked_list.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 15 |     fn new(value: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransactionLog` is never constructed
[INFO] [stdout]   --> src/singly_linked_list.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct TransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransactionLog` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `append`, and `pop` are never used
[INFO] [stdout]   --> src/singly_linked_list.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl TransactionLog {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 31 |     pub fn new_empty() -> TransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn append(&mut self, value: String) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn pop(&mut self) -> Option<String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/skip_list.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 24 |     fn new(links: Vec<Link>, offset: u64, command: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tails` and `length` are never read
[INFO] [stdout]   --> src/skip_list.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct BestTransactionLog {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 35 |     head: Link,
[INFO] [stdout] 36 |     tails: Vec<Link>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 37 |     max_level: usize,
[INFO] [stdout] 38 |     pub length: u64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BestTransactionLog` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `get_level`, `append`, and `find` are never used
[INFO] [stdout]   --> src/skip_list.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl BestTransactionLog {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 42 |     pub fn new_empty(max_level: usize) -> BestTransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn get_level(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn append(&mut self, offset: u64, value: String) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn find(&self, offset: u64) -> Option<String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `transactionLog` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `transaction_log`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "7e7ce9d89f4f422a2b7c7d3cea29d32128655eecacab94ebfb76675bf4d980f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7ce9d89f4f422a2b7c7d3cea29d32128655eecacab94ebfb76675bf4d980f0", kill_on_drop: false }`
[INFO] [stdout] 7e7ce9d89f4f422a2b7c7d3cea29d32128655eecacab94ebfb76675bf4d980f0
[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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bbef409527204a5526fbf66895ed88e0286f8401240120dd895a0b451b7836d
[INFO] running `Command { std: "docker" "start" "-a" "2bbef409527204a5526fbf66895ed88e0286f8401240120dd895a0b451b7836d", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/doubly_linked_list.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]   --> src/dynamic_array.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::cell::Cell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/skip_list.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/doubly_linked_list.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 19 |     fn new(value: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tail` and `length` are never read
[INFO] [stdout]   --> src/doubly_linked_list.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct BetterTransactionLog {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 30 |     head: Link,
[INFO] [stdout] 31 |     tail: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     pub length: u64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BetterTransactionLog` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `append`, `pop`, `back_iter`, and `iter` are never used
[INFO] [stdout]   --> src/doubly_linked_list.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl BetterTransactionLog {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout] 36 |     pub fn new_empty() -> BetterTransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn append(&mut self, value: String) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn pop(&mut self) -> Option<String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn back_iter(self) -> ListIterator {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn iter(&self) -> ListIterator {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MIN_SIZE` is never used
[INFO] [stdout]   --> src/dynamic_array.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const MIN_SIZE: usize = 10;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling transactionLog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `cap` and `length` are never read
[INFO] [stdout]   --> src/dynamic_array.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TimestampSaver {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 21 |     buf: Box<[Node]>,
[INFO] [stdout] 22 |     cap: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     pub length: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `grow`, `append`, and `at` are never used
[INFO] [stdout]   --> src/dynamic_array.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl TimestampSaver {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new_empty() -> TimestampSaver {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn grow(&mut self, min_cap: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn append(&mut self, value: u64) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn at(&mut self, index: usize) -> Node {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/singly_linked_list.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]   --> src/singly_linked_list.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type Link = Option<Rc<RefCell<Node>>>;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/singly_linked_list.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 15 |     fn new(value: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TransactionLog` is never constructed
[INFO] [stdout]   --> src/singly_linked_list.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct TransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TransactionLog` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `append`, and `pop` are never used
[INFO] [stdout]   --> src/singly_linked_list.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl TransactionLog {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 31 |     pub fn new_empty() -> TransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn append(&mut self, value: String) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn pop(&mut self) -> Option<String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/skip_list.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 24 |     fn new(links: Vec<Link>, offset: u64, command: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tails` and `length` are never read
[INFO] [stdout]   --> src/skip_list.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct BestTransactionLog {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 35 |     head: Link,
[INFO] [stdout] 36 |     tails: Vec<Link>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 37 |     max_level: usize,
[INFO] [stdout] 38 |     pub length: u64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BestTransactionLog` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `get_level`, `append`, and `find` are never used
[INFO] [stdout]   --> src/skip_list.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl BestTransactionLog {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 42 |     pub fn new_empty(max_level: usize) -> BestTransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn get_level(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn append(&mut self, offset: u64, value: String) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn find(&self, offset: u64) -> Option<String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `transactionLog` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `transaction_log`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/doubly_linked_list.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]   --> src/dynamic_array.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::cell::Cell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/skip_list.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "2bbef409527204a5526fbf66895ed88e0286f8401240120dd895a0b451b7836d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bbef409527204a5526fbf66895ed88e0286f8401240120dd895a0b451b7836d", kill_on_drop: false }`
[INFO] [stdout] 2bbef409527204a5526fbf66895ed88e0286f8401240120dd895a0b451b7836d
