[INFO] cloning repository https://github.com/varun24143/rust_dsa_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varun24143/rust_dsa_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarun24143%2Frust_dsa_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarun24143%2Frust_dsa_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 531b5900a874c16b690c872b00080cf766cd745a
[INFO] testing varun24143/rust_dsa_test against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarun24143%2Frust_dsa_test" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/varun24143/rust_dsa_test on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/varun24143/rust_dsa_test
[INFO] finished tweaking git repo https://github.com/varun24143/rust_dsa_test
[INFO] tweaked toml for git repo https://github.com/varun24143/rust_dsa_test written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/varun24143/rust_dsa_test 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddd5bf93c31cddc5b6d66566bf684813b8804db8af971f66008fabb98f257434
[INFO] running `Command { std: "docker" "start" "-a" "ddd5bf93c31cddc5b6d66566bf684813b8804db8af971f66008fabb98f257434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd5bf93c31cddc5b6d66566bf684813b8804db8af971f66008fabb98f257434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd5bf93c31cddc5b6d66566bf684813b8804db8af971f66008fabb98f257434", kill_on_drop: false }`
[INFO] [stdout] ddd5bf93c31cddc5b6d66566bf684813b8804db8af971f66008fabb98f257434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3160809ff502db8ff96a049b38b0f84c89134e720929161f91a29eb8518148c5
[INFO] running `Command { std: "docker" "start" "-a" "3160809ff502db8ff96a049b38b0f84c89134e720929161f91a29eb8518148c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[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 rust_dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/memtesting.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::memtesting::MyStruct`
[INFO] [stdout]   --> src/tests.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::memtesting::MyStruct;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::conmut::*`
[INFO] [stdout]   --> src/tests.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::conmut::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]   --> src/skiplists.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::random;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::conmut::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::conmut::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transactionlog::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::transactionlog::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tests::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::tests::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::skiplists::*`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::skiplists::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Door {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 19 |     fn new(is_open: bool) -> Door {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ext` are never read
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct FileName {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 51 |     name: Rc<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 52 |     ext: Rc<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileName` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/conmut.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Node {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 48 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 49 |     next: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 50 |     prev: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]    --> src/conmut.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn add(a: i32, b: i32) -> Result<i32, String> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]  --> src/memtesting.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct MyStruct {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 4 |     a: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     b: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 6 |     c: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BetterTransactionLog` is never constructed
[INFO] [stdout]   --> src/transactionlog.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BetterTransactionLog { // Revised as per doubly linked list
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transactionlog.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 27 |     // A nice and short way of creating a new node
[INFO] [stdout] 28 |     pub fn new(value: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `append`, and `pop` are never used
[INFO] [stdout]   --> src/transactionlog.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BetterTransactionLog {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout] 40 |     pub fn new_empty() -> BetterTransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     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] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transactionlog.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl ListIterator {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 75 |     pub fn new(start_at: SingleLink) -> ListIterator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/tests.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn add(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]   --> src/tests.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type Link = Rc<RefCell<Node>>;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/skiplists.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 26 |     fn new(links: Vec<Link>, offset: u64, command: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head`, `tails`, and `max_level` are never read
[INFO] [stdout]   --> src/skiplists.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct BestTransactionLog {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 41 |     head: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     tails: Vec<Link>, // This property is a vector pointing to the tail of each level
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 43 |     max_level: usize,
[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/skiplists.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout] 53  | impl BestTransactionLog {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] 54  |
[INFO] [stdout] 55  |     pub fn new_empty(max_level: usize) -> BestTransactionLog {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64  |     pub fn get_level(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub fn append(&mut self, offset: u64, value: String) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn find(&self, offset: u64) -> Option<String> { 
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Sanitize` should have a snake case name
[INFO] [stdout]   --> src/conmut.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn Sanitize(s: String) -> String {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sanitize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "3160809ff502db8ff96a049b38b0f84c89134e720929161f91a29eb8518148c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3160809ff502db8ff96a049b38b0f84c89134e720929161f91a29eb8518148c5", kill_on_drop: false }`
[INFO] [stdout] 3160809ff502db8ff96a049b38b0f84c89134e720929161f91a29eb8518148c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9be660f2a71db23499b3173aec75946c44429d82c6f0393d5dbb038d1a338a9f
[INFO] running `Command { std: "docker" "start" "-a" "9be660f2a71db23499b3173aec75946c44429d82c6f0393d5dbb038d1a338a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/memtesting.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]   --> src/skiplists.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::random;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::conmut::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::conmut::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transactionlog::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::transactionlog::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tests::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::tests::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::skiplists::*`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::skiplists::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Door {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 19 |     fn new(is_open: bool) -> Door {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ext` are never read
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct FileName {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 51 |     name: Rc<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 52 |     ext: Rc<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileName` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/conmut.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Node {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 48 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 49 |     next: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 50 |     prev: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]    --> src/conmut.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn add(a: i32, b: i32) -> Result<i32, String> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]  --> src/memtesting.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct MyStruct {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 4 |     a: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     b: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 6 |     c: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BetterTransactionLog` is never constructed
[INFO] [stdout]   --> src/transactionlog.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BetterTransactionLog { // Revised as per doubly linked list
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transactionlog.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 27 |     // A nice and short way of creating a new node
[INFO] [stdout] 28 |     pub fn new(value: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `append`, and `pop` are never used
[INFO] [stdout]   --> src/transactionlog.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BetterTransactionLog {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout] 40 |     pub fn new_empty() -> BetterTransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     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] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transactionlog.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl ListIterator {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 75 |     pub fn new(start_at: SingleLink) -> ListIterator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]   --> src/tests.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type Link = Rc<RefCell<Node>>;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/skiplists.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 26 |     fn new(links: Vec<Link>, offset: u64, command: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head`, `tails`, and `max_level` are never read
[INFO] [stdout]   --> src/skiplists.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct BestTransactionLog {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 41 |     head: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     tails: Vec<Link>, // This property is a vector pointing to the tail of each level
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 43 |     max_level: usize,
[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/skiplists.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout] 53  | impl BestTransactionLog {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] 54  |
[INFO] [stdout] 55  |     pub fn new_empty(max_level: usize) -> BestTransactionLog {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64  |     pub fn get_level(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub fn append(&mut self, offset: u64, value: String) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn find(&self, offset: u64) -> Option<String> { 
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Sanitize` should have a snake case name
[INFO] [stdout]   --> src/conmut.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn Sanitize(s: String) -> String {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sanitize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "9be660f2a71db23499b3173aec75946c44429d82c6f0393d5dbb038d1a338a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be660f2a71db23499b3173aec75946c44429d82c6f0393d5dbb038d1a338a9f", kill_on_drop: false }`
[INFO] [stdout] 9be660f2a71db23499b3173aec75946c44429d82c6f0393d5dbb038d1a338a9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17f41f750dafe8b57af310c2623f6cecbc19bacdcd3e6a0b87045f0f0272baff
[INFO] running `Command { std: "docker" "start" "-a" "17f41f750dafe8b57af310c2623f6cecbc19bacdcd3e6a0b87045f0f0272baff", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/memtesting.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::random`
[INFO] [stderr]   --> src/skiplists.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rand::random;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::conmut::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::conmut::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::transactionlog::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::transactionlog::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tests::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::tests::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::skiplists::*`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::skiplists::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/main.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Door {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 19 |     fn new(is_open: bool) -> Door {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `ext` are never read
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub struct FileName {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 51 |     name: Rc<String>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 52 |     ext: Rc<String>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FileName` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `value`, `next`, and `prev` are never read
[INFO] [stderr]   --> src/conmut.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | struct Node {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 48 |     value: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 49 |     next: Link,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 50 |     prev: Link,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]    --> src/conmut.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub fn add(a: i32, b: i32) -> Result<i32, String> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a`, `b`, and `c` are never read
[INFO] [stderr]  --> src/memtesting.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct MyStruct {
[INFO] [stderr]   |            -------- fields in this struct
[INFO] [stderr] 4 |     a: u8,
[INFO] [stderr]   |     ^
[INFO] [stderr] 5 |     b: u8,
[INFO] [stderr]   |     ^
[INFO] [stderr] 6 |     c: u8,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BetterTransactionLog` is never constructed
[INFO] [stderr]   --> src/transactionlog.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct BetterTransactionLog { // Revised as per doubly linked list
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/transactionlog.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Node {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 27 |     // A nice and short way of creating a new node
[INFO] [stderr] 28 |     pub fn new(value: String) -> Rc<RefCell<Node>> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_empty`, `append`, and `pop` are never used
[INFO] [stderr]   --> src/transactionlog.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl BetterTransactionLog {
[INFO] [stderr]    | ------------------------- associated items in this implementation
[INFO] [stderr] 40 |     pub fn new_empty() -> BetterTransactionLog {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn append(&mut self, value: String) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn pop(&mut self) -> Option<String> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/transactionlog.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 74 | impl ListIterator {
[INFO] [stderr]    | ----------------- associated function in this implementation
[INFO] [stderr] 75 |     pub fn new(start_at: SingleLink) -> ListIterator {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Link` is never used
[INFO] [stderr]   --> src/tests.rs:25:6
[INFO] [stderr]    |
[INFO] [stderr] 25 | type Link = Rc<RefCell<Node>>;
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/skiplists.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Node {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 26 |     fn new(links: Vec<Link>, offset: u64, command: String) -> Rc<RefCell<Node>> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `head`, `tails`, and `max_level` are never read
[INFO] [stderr]   --> src/skiplists.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct BestTransactionLog {
[INFO] [stderr]    |            ------------------ fields in this struct
[INFO] [stderr] 41 |     head: Link,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 42 |     tails: Vec<Link>, // This property is a vector pointing to the tail of each level
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 43 |     max_level: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BestTransactionLog` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_empty`, `get_level`, `append`, and `find` are never used
[INFO] [stderr]    --> src/skiplists.rs:55:12
[INFO] [stderr]     |
[INFO] [stderr] 53  | impl BestTransactionLog {
[INFO] [stderr]     | ----------------------- associated items in this implementation
[INFO] [stderr] 54  |
[INFO] [stderr] 55  |     pub fn new_empty(max_level: usize) -> BestTransactionLog {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64  |     pub fn get_level(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72  |     pub fn append(&mut self, offset: u64, value: String) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 101 |     pub fn find(&self, offset: u64) -> Option<String> { 
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `Sanitize` should have a snake case name
[INFO] [stderr]   --> src/conmut.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn Sanitize(s: String) -> String {
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sanitize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_dsa` (bin "rust_dsa" test) generated 20 warnings (run `cargo fix --bin "rust_dsa" --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_dsa-bb60e560121f130e)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::tests::test_add ... ok
[INFO] [stdout] test tests::tests::test_struct_size ... ok
[INFO] [stdout] test tests::tests::test_string_sanity ... ok
[INFO] [stdout] test tests::tests::test_bad_add ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::tests::test_bad_add stdout ----
[INFO] [stdout] thread 'tests::tests::test_bad_add' panicked at src/tests.rs:42:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: -1
[INFO] [stdout]  right: 3
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560597bac496 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x560597bac496 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560597bac496 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x560597bac496 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x560597bd52e0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x560597bd52e0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x560597ba9eff - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x560597bac274 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x560597bac274 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x560597badfe7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x560597badccd - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x560597b7dd97 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x560597b7dd97 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x560597bae606 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x560597bae606 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x560597bae352 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x560597bac996 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x560597bae0b0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x560597b42cd5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x560597b4301b - core::panicking::assert_failed_inner::hbf94b40c37b92af0
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x560597b480ae - core::panicking::assert_failed::h5a7a44431ae812f3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x560597b4923d - rust_dsa::tests::tests::test_bad_add::h684dcce30dcfa088
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:42:9
[INFO] [stdout]   22:     0x560597b491a7 - rust_dsa::tests::tests::test_bad_add::{{closure}}::h7d7506be63a1c32f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:39:22
[INFO] [stdout]   23:     0x560597b43a86 - core::ops::function::FnOnce::call_once::h8e9c3c1a2cc9185a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x560597b8366f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x560597b8366f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x560597b823f1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x560597b823f1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x560597b823f1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x560597b823f1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x560597b823f1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x560597b823f1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x560597b823f1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x560597b49726 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x560597b49726 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x560597b4e787 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x560597b4e787 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x560597b4e787 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x560597b4e787 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x560597b4e787 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x560597b4e787 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x560597b4e787 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x560597bb30b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x560597bb30b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x560597bb30b5 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7fd230925ac3 - <unknown>
[INFO] [stdout]   46:     0x7fd2309b6bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::tests::test_bad_add
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rust_dsa`
[INFO] running `Command { std: "docker" "inspect" "17f41f750dafe8b57af310c2623f6cecbc19bacdcd3e6a0b87045f0f0272baff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f41f750dafe8b57af310c2623f6cecbc19bacdcd3e6a0b87045f0f0272baff", kill_on_drop: false }`
[INFO] [stdout] 17f41f750dafe8b57af310c2623f6cecbc19bacdcd3e6a0b87045f0f0272baff
[INFO] testing varun24143/rust_dsa_test against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarun24143%2Frust_dsa_test" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/varun24143/rust_dsa_test on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/varun24143/rust_dsa_test
[INFO] finished tweaking git repo https://github.com/varun24143/rust_dsa_test
[INFO] tweaked toml for git repo https://github.com/varun24143/rust_dsa_test written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/varun24143/rust_dsa_test 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 895b45cf244ccd627378647b55d45222b17e8fb435f7536aa94876d330ac9439
[INFO] running `Command { std: "docker" "start" "-a" "895b45cf244ccd627378647b55d45222b17e8fb435f7536aa94876d330ac9439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "895b45cf244ccd627378647b55d45222b17e8fb435f7536aa94876d330ac9439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895b45cf244ccd627378647b55d45222b17e8fb435f7536aa94876d330ac9439", kill_on_drop: false }`
[INFO] [stdout] 895b45cf244ccd627378647b55d45222b17e8fb435f7536aa94876d330ac9439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e856c30fc52a692358c7efdc5f8a80881ef328614cbae841fbc4db7b86133908
[INFO] running `Command { std: "docker" "start" "-a" "e856c30fc52a692358c7efdc5f8a80881ef328614cbae841fbc4db7b86133908", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[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 rust_dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/memtesting.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::memtesting::MyStruct`
[INFO] [stdout]   --> src/tests.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use crate::memtesting::MyStruct;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::conmut::*`
[INFO] [stdout]   --> src/tests.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::conmut::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]   --> src/skiplists.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::random;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::conmut::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::conmut::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transactionlog::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::transactionlog::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tests::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::tests::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::skiplists::*`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::skiplists::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Door {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 19 |     fn new(is_open: bool) -> Door {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ext` are never read
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct FileName {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 51 |     name: Rc<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 52 |     ext: Rc<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileName` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/conmut.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Node {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 48 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 49 |     next: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 50 |     prev: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]    --> src/conmut.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn add(a: i32, b: i32) -> Result<i32, String> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]  --> src/memtesting.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct MyStruct {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 4 |     a: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     b: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 6 |     c: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BetterTransactionLog` is never constructed
[INFO] [stdout]   --> src/transactionlog.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BetterTransactionLog { // Revised as per doubly linked list
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transactionlog.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 27 |     // A nice and short way of creating a new node
[INFO] [stdout] 28 |     pub fn new(value: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `append`, and `pop` are never used
[INFO] [stdout]   --> src/transactionlog.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BetterTransactionLog {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout] 40 |     pub fn new_empty() -> BetterTransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     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] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transactionlog.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl ListIterator {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 75 |     pub fn new(start_at: SingleLink) -> ListIterator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/tests.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn add(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]   --> src/tests.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type Link = Rc<RefCell<Node>>;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/skiplists.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 26 |     fn new(links: Vec<Link>, offset: u64, command: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head`, `tails`, and `max_level` are never read
[INFO] [stdout]   --> src/skiplists.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct BestTransactionLog {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 41 |     head: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     tails: Vec<Link>, // This property is a vector pointing to the tail of each level
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 43 |     max_level: usize,
[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/skiplists.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout] 53  | impl BestTransactionLog {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] 54  |
[INFO] [stdout] 55  |     pub fn new_empty(max_level: usize) -> BestTransactionLog {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64  |     pub fn get_level(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub fn append(&mut self, offset: u64, value: String) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn find(&self, offset: u64) -> Option<String> { 
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Sanitize` should have a snake case name
[INFO] [stdout]   --> src/conmut.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn Sanitize(s: String) -> String {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sanitize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "e856c30fc52a692358c7efdc5f8a80881ef328614cbae841fbc4db7b86133908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e856c30fc52a692358c7efdc5f8a80881ef328614cbae841fbc4db7b86133908", kill_on_drop: false }`
[INFO] [stdout] e856c30fc52a692358c7efdc5f8a80881ef328614cbae841fbc4db7b86133908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6bf4ba41e6cf34ee8a420c849afb09548421bcc52b433e075a0307d5199f21e
[INFO] running `Command { std: "docker" "start" "-a" "c6bf4ba41e6cf34ee8a420c849afb09548421bcc52b433e075a0307d5199f21e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/memtesting.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]   --> src/skiplists.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::random;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::conmut::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::conmut::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transactionlog::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::transactionlog::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tests::*`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::tests::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::skiplists::*`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::skiplists::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Door {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 19 |     fn new(is_open: bool) -> Door {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ext` are never read
[INFO] [stdout]   --> src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct FileName {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 51 |     name: Rc<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 52 |     ext: Rc<String>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileName` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value`, `next`, and `prev` are never read
[INFO] [stdout]   --> src/conmut.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Node {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 48 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 49 |     next: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 50 |     prev: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]    --> src/conmut.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn add(a: i32, b: i32) -> Result<i32, String> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]  --> src/memtesting.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct MyStruct {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 4 |     a: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     b: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 6 |     c: u8,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BetterTransactionLog` is never constructed
[INFO] [stdout]   --> src/transactionlog.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BetterTransactionLog { // Revised as per doubly linked list
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transactionlog.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 27 |     // A nice and short way of creating a new node
[INFO] [stdout] 28 |     pub fn new(value: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_empty`, `append`, and `pop` are never used
[INFO] [stdout]   --> src/transactionlog.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl BetterTransactionLog {
[INFO] [stdout]    | ------------------------- associated items in this implementation
[INFO] [stdout] 40 |     pub fn new_empty() -> BetterTransactionLog {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     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] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/transactionlog.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl ListIterator {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 75 |     pub fn new(start_at: SingleLink) -> ListIterator {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]   --> src/tests.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | type Link = Rc<RefCell<Node>>;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/skiplists.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 26 |     fn new(links: Vec<Link>, offset: u64, command: String) -> Rc<RefCell<Node>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head`, `tails`, and `max_level` are never read
[INFO] [stdout]   --> src/skiplists.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct BestTransactionLog {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 41 |     head: Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 42 |     tails: Vec<Link>, // This property is a vector pointing to the tail of each level
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 43 |     max_level: usize,
[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/skiplists.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout] 53  | impl BestTransactionLog {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] 54  |
[INFO] [stdout] 55  |     pub fn new_empty(max_level: usize) -> BestTransactionLog {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64  |     pub fn get_level(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub fn append(&mut self, offset: u64, value: String) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub fn find(&self, offset: u64) -> Option<String> { 
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Sanitize` should have a snake case name
[INFO] [stdout]   --> src/conmut.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn Sanitize(s: String) -> String {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sanitize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "c6bf4ba41e6cf34ee8a420c849afb09548421bcc52b433e075a0307d5199f21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6bf4ba41e6cf34ee8a420c849afb09548421bcc52b433e075a0307d5199f21e", kill_on_drop: false }`
[INFO] [stdout] c6bf4ba41e6cf34ee8a420c849afb09548421bcc52b433e075a0307d5199f21e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f06fd5d71323f035a0d525c2eac62fcf138278a757df0ce2c1a6cde061ab185
[INFO] running `Command { std: "docker" "start" "-a" "5f06fd5d71323f035a0d525c2eac62fcf138278a757df0ce2c1a6cde061ab185", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/memtesting.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::random`
[INFO] [stderr]   --> src/skiplists.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rand::random;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::conmut::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::conmut::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::transactionlog::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::transactionlog::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::tests::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::tests::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::skiplists::*`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::skiplists::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/main.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Door {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 19 |     fn new(is_open: bool) -> Door {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `ext` are never read
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub struct FileName {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 51 |     name: Rc<String>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 52 |     ext: Rc<String>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FileName` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `value`, `next`, and `prev` are never read
[INFO] [stderr]   --> src/conmut.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | struct Node {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 48 |     value: String,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 49 |     next: Link,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 50 |     prev: Link,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]    --> src/conmut.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 | pub fn add(a: i32, b: i32) -> Result<i32, String> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a`, `b`, and `c` are never read
[INFO] [stderr]  --> src/memtesting.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct MyStruct {
[INFO] [stderr]   |            -------- fields in this struct
[INFO] [stderr] 4 |     a: u8,
[INFO] [stderr]   |     ^
[INFO] [stderr] 5 |     b: u8,
[INFO] [stderr]   |     ^
[INFO] [stderr] 6 |     c: u8,
[INFO] [stderr]   |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BetterTransactionLog` is never constructed
[INFO] [stderr]   --> src/transactionlog.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct BetterTransactionLog { // Revised as per doubly linked list
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/transactionlog.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Node {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 27 |     // A nice and short way of creating a new node
[INFO] [stderr] 28 |     pub fn new(value: String) -> Rc<RefCell<Node>> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_empty`, `append`, and `pop` are never used
[INFO] [stderr]   --> src/transactionlog.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 39 | impl BetterTransactionLog {
[INFO] [stderr]    | ------------------------- associated items in this implementation
[INFO] [stderr] 40 |     pub fn new_empty() -> BetterTransactionLog {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn append(&mut self, value: String) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |     pub fn pop(&mut self) -> Option<String> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/transactionlog.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 74 | impl ListIterator {
[INFO] [stderr]    | ----------------- associated function in this implementation
[INFO] [stderr] 75 |     pub fn new(start_at: SingleLink) -> ListIterator {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Link` is never used
[INFO] [stderr]   --> src/tests.rs:25:6
[INFO] [stderr]    |
[INFO] [stderr] 25 | type Link = Rc<RefCell<Node>>;
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/skiplists.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Node {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 26 |     fn new(links: Vec<Link>, offset: u64, command: String) -> Rc<RefCell<Node>> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `head`, `tails`, and `max_level` are never read
[INFO] [stderr]   --> src/skiplists.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct BestTransactionLog {
[INFO] [stderr]    |            ------------------ fields in this struct
[INFO] [stderr] 41 |     head: Link,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 42 |     tails: Vec<Link>, // This property is a vector pointing to the tail of each level
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 43 |     max_level: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BestTransactionLog` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_empty`, `get_level`, `append`, and `find` are never used
[INFO] [stderr]    --> src/skiplists.rs:55:12
[INFO] [stderr]     |
[INFO] [stderr] 53  | impl BestTransactionLog {
[INFO] [stderr]     | ----------------------- associated items in this implementation
[INFO] [stderr] 54  |
[INFO] [stderr] 55  |     pub fn new_empty(max_level: usize) -> BestTransactionLog {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 64  |     pub fn get_level(&self) -> usize {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72  |     pub fn append(&mut self, offset: u64, value: String) {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 101 |     pub fn find(&self, offset: u64) -> Option<String> { 
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `Sanitize` should have a snake case name
[INFO] [stderr]   --> src/conmut.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn Sanitize(s: String) -> String {
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `sanitize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_dsa` (bin "rust_dsa" test) generated 20 warnings (run `cargo fix --bin "rust_dsa" --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_dsa-2e5756c30f7442eb)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::tests::test_add ... ok
[INFO] [stdout] test tests::tests::test_string_sanity ... ok
[INFO] [stdout] test tests::tests::test_struct_size ... ok
[INFO] [stdout] test tests::tests::test_bad_add ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::tests::test_bad_add stdout ----
[INFO] [stdout] thread 'tests::tests::test_bad_add' panicked at src/tests.rs:42:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: -1
[INFO] [stdout]  right: 3
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5578a0a79006 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5578a0a79006 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5578a0a79006 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5578a0a79006 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5578a0aa1c80 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5578a0aa1c80 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5578a0a7685f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x5578a0a78de4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5578a0a78de4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5578a0a7ab57 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x5578a0a7a83d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5578a0a4a5f7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5578a0a4a5f7 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5578a0a7b176 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5578a0a7b176 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x5578a0a7aec2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x5578a0a79506 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5578a0a7ac14 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x5578a0a0f775 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5578a0a0fabb - core::panicking::assert_failed_inner::h2c4dd574e44796db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x5578a0a14e1e - core::panicking::assert_failed::hdf6d54e68a00262a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x5578a0a15f4d - rust_dsa::tests::tests::test_bad_add::h026383d17f00ec82
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:42:9
[INFO] [stdout]   22:     0x5578a0a15eb7 - rust_dsa::tests::tests::test_bad_add::{{closure}}::h8d00a467e2798e3e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/tests.rs:39:22
[INFO] [stdout]   23:     0x5578a0a13a96 - core::ops::function::FnOnce::call_once::h9828c51201c4dd0f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5578a0a501ef - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5578a0a501ef - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x5578a0a4f011 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x5578a0a4f011 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5578a0a4f011 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   29:     0x5578a0a4f011 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   30:     0x5578a0a4f011 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x5578a0a4f011 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x5578a0a4f011 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   33:     0x5578a0a16476 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x5578a0a16476 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x5578a0a1b437 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x5578a0a1b437 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5578a0a1b437 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   38:     0x5578a0a1b437 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   39:     0x5578a0a1b437 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x5578a0a1b437 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x5578a0a1b437 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5578a0a7f515 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x5578a0a7f515 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x5578a0a7f515 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f8e44215ac3 - <unknown>
[INFO] [stdout]   46:     0x7f8e442a6bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::tests::test_bad_add
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin rust_dsa`
[INFO] running `Command { std: "docker" "inspect" "5f06fd5d71323f035a0d525c2eac62fcf138278a757df0ce2c1a6cde061ab185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f06fd5d71323f035a0d525c2eac62fcf138278a757df0ce2c1a6cde061ab185", kill_on_drop: false }`
[INFO] [stdout] 5f06fd5d71323f035a0d525c2eac62fcf138278a757df0ce2c1a6cde061ab185
