[INFO] cloning repository https://github.com/PavelVavruska/hacker-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PavelVavruska/hacker-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dac4ed8541cf90fa2aa6992111a93d6bca1158c7
[INFO] testing PavelVavruska/hacker-code against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PavelVavruska/hacker-code on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PavelVavruska/hacker-code
[INFO] finished tweaking git repo https://github.com/PavelVavruska/hacker-code
[INFO] tweaked toml for git repo https://github.com/PavelVavruska/hacker-code written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PavelVavruska/hacker-code 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56920924a92b443f1660fa72cdc165d2e560e0b704afb4f467886d28b53fd85d
[INFO] running `Command { std: "docker" "start" "-a" "56920924a92b443f1660fa72cdc165d2e560e0b704afb4f467886d28b53fd85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56920924a92b443f1660fa72cdc165d2e560e0b704afb4f467886d28b53fd85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56920924a92b443f1660fa72cdc165d2e560e0b704afb4f467886d28b53fd85d", kill_on_drop: false }`
[INFO] [stdout] 56920924a92b443f1660fa72cdc165d2e560e0b704afb4f467886d28b53fd85d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc3e89049ec083034f11e5ace2ef66433f0f321dc82c8bb1543790198bd75fa8
[INFO] running `Command { std: "docker" "start" "-a" "dc3e89049ec083034f11e5ace2ef66433f0f321dc82c8bb1543790198bd75fa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling hacker-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Cacher_u32` should have an upper camel case name
[INFO] [stdout]  --> src/rust_book/closures_cacher.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Cacher_u32<T: Fn(u32) -> u32> {
[INFO] [stdout]   |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `CacherU32`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/questions/palindrome_linked_list.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/questions/palindrome_linked_list.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 12 |     #[inline]
[INFO] [stdout] 13 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_palindrome` is never used
[INFO] [stdout]   --> src/questions/palindrome_linked_list.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn is_palindrome(head: Option<Box<ListNode>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/questions/palindrome_number.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome`, `is_palindrome_i64_hack`, and `is_palindrome_string_version` are never used
[INFO] [stdout]   --> src/questions/palindrome_number.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 7  |     pub fn is_palindrome(x: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn is_palindrome_i64_hack(x: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn is_palindrome_string_version(x: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/questions/reverse_linked_list.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/questions/reverse_linked_list.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     #[inline]
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse_list` is never used
[INFO] [stdout]   --> src/questions/reverse_linked_list.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn reverse_list(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/questions/roman_to_integer.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `roman_to_int` is never used
[INFO] [stdout]  --> src/questions/roman_to_integer.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 8 |     pub fn roman_to_int(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_number_of_pairs` is never used
[INFO] [stdout]  --> src/questions/socks.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn get_number_of_pairs(_number: i8, color_array: &[i8]) -> i8 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/questions/two_sums.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]  --> src/questions/two_sums.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_employee_to_department` is never used
[INFO] [stdout]  --> src/rust_book/collections_hashmap.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn add_employee_to_department(
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_employees_from_department` is never used
[INFO] [stdout]   --> src/rust_book/collections_hashmap.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn get_employees_from_department(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_employees_from_company` is never used
[INFO] [stdout]   --> src/rust_book/collections_hashmap.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn get_all_employees_from_company(company: &HashMap<String, Vec<String>>) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_pig_latin` is never used
[INFO] [stdout]  --> src/rust_book/collections_string.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn get_pig_latin(input_str: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_median` is never used
[INFO] [stdout]  --> src/rust_book/collections_vec.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_median(int_list: &mut Vec<i32>) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largest` is never used
[INFO] [stdout]  --> src/rust_book/traits.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn largest<T: PartialOrd>(list: &[T]) -> &T {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/rust_book/traits.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher_u32` is never constructed
[INFO] [stdout]  --> src/rust_book/closures_cacher.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Cacher_u32<T: Fn(u32) -> u32> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/rust_book/closures_cacher.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<T: Fn(u32) -> u32> Cacher_u32<T> {
[INFO] [stdout]    | ------------------------------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(computation: T) -> Cacher_u32<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn value(&mut self, number: u32) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cacher` is never constructed
[INFO] [stdout]   --> src/rust_book/closures_cacher.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Cacher<T: Fn(U) -> U, U: Copy> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/rust_book/closures_cacher.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl<T: Fn(U) -> U, U: Copy> Cacher<T, U> {
[INFO] [stdout]    | ----------------------------------------- associated items in this implementation
[INFO] [stdout] 35 |     pub fn new(computation: T) -> Cacher<T, U> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn value(&mut self, input_value: U) -> U {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CacherHash` is never constructed
[INFO] [stdout]   --> src/rust_book/closures_cacher.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct CacherHash<T: Fn(K) -> V, K: Eq+Hash, V: Copy+Eq+Hash > {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `value` are never used
[INFO] [stdout]   --> src/rust_book/closures_cacher.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<T: Fn(K) -> V, K: Clone+Eq+Hash, V: Copy+Eq+Hash> CacherHash<T, K, V> {
[INFO] [stdout]    | -------------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 62 |     pub fn new(computation: T) -> CacherHash<T, K, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn value(&mut self, input_value: K) -> V {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]  --> src/rust_book/iterators.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Counter {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/rust_book/iterators.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Counter {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 6 |     fn new() -> Counter {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "dc3e89049ec083034f11e5ace2ef66433f0f321dc82c8bb1543790198bd75fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3e89049ec083034f11e5ace2ef66433f0f321dc82c8bb1543790198bd75fa8", kill_on_drop: false }`
[INFO] [stdout] dc3e89049ec083034f11e5ace2ef66433f0f321dc82c8bb1543790198bd75fa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9e87db13cc886a0ebf5bfa07566c8db16121860f05e1e14c0ce0fbba76e75d8
[INFO] running `Command { std: "docker" "start" "-a" "f9e87db13cc886a0ebf5bfa07566c8db16121860f05e1e14c0ce0fbba76e75d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling hacker-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Cacher_u32` should have an upper camel case name
[INFO] [stdout]  --> src/rust_book/closures_cacher.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Cacher_u32<T: Fn(u32) -> u32> {
[INFO] [stdout]   |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `CacherU32`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rust_book/closures_cacher.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |             for i in 1..1000 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome_i64_hack` and `is_palindrome_string_version` are never used
[INFO] [stdout]   --> src/questions/palindrome_number.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn is_palindrome_i64_hack(x: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn is_palindrome_string_version(x: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_employees_from_department` is never used
[INFO] [stdout]   --> src/rust_book/collections_hashmap.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn get_employees_from_department(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/rust_book/traits.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `children` are never read
[INFO] [stdout]  --> src/rust_book/ref_weak_strong.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     struct Node {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 5 |         value: i32,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |         parent: RefCell<Weak<Node>>,
[INFO] [stdout] 7 |         children: RefCell<Vec<Rc<Node>>>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "f9e87db13cc886a0ebf5bfa07566c8db16121860f05e1e14c0ce0fbba76e75d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e87db13cc886a0ebf5bfa07566c8db16121860f05e1e14c0ce0fbba76e75d8", kill_on_drop: false }`
[INFO] [stdout] f9e87db13cc886a0ebf5bfa07566c8db16121860f05e1e14c0ce0fbba76e75d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 505df82c8475b61f32e4041b55137f50e246700bd2d1bbc15477657aaa1522f4
[INFO] running `Command { std: "docker" "start" "-a" "505df82c8475b61f32e4041b55137f50e246700bd2d1bbc15477657aaa1522f4", kill_on_drop: false }`
[INFO] [stderr] warning: type `Cacher_u32` should have an upper camel case name
[INFO] [stderr]  --> src/rust_book/closures_cacher.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Cacher_u32<T: Fn(u32) -> u32> {
[INFO] [stderr]   |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `CacherU32`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/rust_book/closures_cacher.rs:178:17
[INFO] [stderr]     |
[INFO] [stderr] 178 |             for i in 1..1000 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `is_palindrome_i64_hack` and `is_palindrome_string_version` are never used
[INFO] [stderr]   --> src/questions/palindrome_number.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 3  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn is_palindrome_i64_hack(x: i32) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 |     pub fn is_palindrome_string_version(x: i32) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_employees_from_department` is never used
[INFO] [stderr]   --> src/rust_book/collections_hashmap.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn get_employees_from_department(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/rust_book/traits.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `value` and `children` are never read
[INFO] [stderr]  --> src/rust_book/ref_weak_strong.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     struct Node {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 5 |         value: i32,
[INFO] [stderr]   |         ^^^^^
[INFO] [stderr] 6 |         parent: RefCell<Weak<Node>>,
[INFO] [stderr] 7 |         children: RefCell<Vec<Rc<Node>>>,
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `hacker-code` (bin "hacker-code" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hacker_code-314ea226785b62cd)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test questions::palindrome_linked_list::tests::test_example_1 ... ok
[INFO] [stdout] test questions::palindrome_linked_list::tests::test_example_2 ... ok
[INFO] [stdout] test questions::palindrome_linked_list::tests::test_example_3 ... ok
[INFO] [stdout] test questions::palindrome_number::tests::test_example_2 ... ok
[INFO] [stdout] test questions::palindrome_number::tests::test_example_3 ... ok
[INFO] [stdout] test questions::reverse_linked_list::tests::test_example_1 ... ok
[INFO] [stdout] test questions::roman_to_integer::tests::test_example_1 ... ok
[INFO] [stdout] test questions::palindrome_number::tests::test_example_4 ... ok
[INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_hashmap_usize ... ok
[INFO] [stdout] test questions::roman_to_integer::tests::test_example_3 ... ok
[INFO] [stdout] test questions::roman_to_integer::tests::test_example_4 ... ok
[INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_hashmap_usize_string_slice ... ok
[INFO] [stdout] test rust_book::collections_string::tests::test_get_consonant ... ok
[INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_odd ... ok
[INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_i32 ... ok
[INFO] [stdout] test questions::socks::tests::test_number_of_pairs_3 ... ok
[INFO] [stdout] test rust_book::collections_string::tests::test_get_vowel ... ok
[INFO] [stdout] test questions::two_sums::tests::test_two_sum_1 ... ok
[INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_even ... ok
[INFO] [stdout] test questions::socks::tests::test_number_of_pairs_2 ... ok
[INFO] [stdout] test questions::palindrome_number::tests::test_example_1 ... ok
[INFO] [stdout] test rust_book::closures_cacher::tests::test_u32 ... ok
[INFO] [stdout] test questions::roman_to_integer::tests::test_example_2 ... ok
[INFO] [stdout] test questions::socks::tests::test_number_of_pairs_1 ... ok
[INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_usize ... ok
[INFO] [stdout] test rust_book::iterators::tests::calling_next_directly ... ok
[INFO] [stdout] test rust_book::ref_weak_strong::tests::test_scopes ... ok
[INFO] [stdout] test rust_book::traits::tests::test_main ... ok
[INFO] [stdout] test rust_book::collections_hashmap::tests::test_get_consonant ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin hacker-code`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- rust_book::collections_hashmap::tests::test_get_consonant stdout ----
[INFO] [stdout] thread 'rust_book::collections_hashmap::tests::test_get_consonant' panicked at src/rust_book/collections_hashmap.rs:87:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ["department: Engineering employees: Sally, Pavel", "department: Sales employees: Amir, George"]
[INFO] [stdout]  right: ["department: Sales employees: Amir, George", "department: Engineering employees: Sally, Pavel"]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fa6bf0559ba - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5fa6bf0559ba - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5fa6bf0559ba - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5fa6bf0559ba - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5fa6bf07bc43 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5fa6bf07bc43 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5fa6bf052b83 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5fa6bf055802 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5fa6bf056e1a - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5fa6bf056c24 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5fa6bf022509 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5fa6bf022509 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5fa6bf0574b8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5fa6bf0574b8 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5fa6bf05727a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5fa6bf055e99 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5fa6bf056f0c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5fa6befbdb00 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5fa6befbdecb - core::panicking::assert_failed_inner::h2ddf1fcc067fa858
[INFO] [stdout]   19:     0x5fa6befcba30 - core::panicking::assert_failed::ha3b07bea2ec46684
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:367:5
[INFO] [stdout]   20:     0x5fa6befe3500 - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::hac4a2e4603226f5d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:87:9
[INFO] [stdout]   21:     0x5fa6befe2b27 - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::{{closure}}::h4692ee4cf953b8e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:55:28
[INFO] [stdout]   22:     0x5fa6befdeda6 - core::ops::function::FnOnce::call_once::h843a76aefdd79300
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5fa6bf026ecb - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fa6bf026ecb - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x5fa6bf026707 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x5fa6bf026707 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5fa6bf026707 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5fa6bf026707 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5fa6bf026707 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5fa6bf026707 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x5fa6bf026707 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x5fa6befeb9e4 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x5fa6befeb9e4 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5fa6befef0ae - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x5fa6befef0ae - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5fa6befef0ae - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5fa6befef0ae - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5fa6befef0ae - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5fa6befef0ae - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x5fa6befef0ae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5fa6bf05b20b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x5fa6bf05b20b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5fa6bf05b20b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7923f11a0ac3 - <unknown>
[INFO] [stdout]   45:     0x7923f1231a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     rust_book::collections_hashmap::tests::test_get_consonant
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "505df82c8475b61f32e4041b55137f50e246700bd2d1bbc15477657aaa1522f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505df82c8475b61f32e4041b55137f50e246700bd2d1bbc15477657aaa1522f4", kill_on_drop: false }`
[INFO] [stdout] 505df82c8475b61f32e4041b55137f50e246700bd2d1bbc15477657aaa1522f4
