[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 master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[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] 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] validating manifest of git repo https://github.com/PavelVavruska/hacker-code on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9d2087794883a8f5c026a82dca3d54436b6f29ac9c536ab47d342730f4d60e7
[INFO] running `Command { std: "docker" "start" "-a" "d9d2087794883a8f5c026a82dca3d54436b6f29ac9c536ab47d342730f4d60e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9d2087794883a8f5c026a82dca3d54436b6f29ac9c536ab47d342730f4d60e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d2087794883a8f5c026a82dca3d54436b6f29ac9c536ab47d342730f4d60e7", kill_on_drop: false }`
[INFO] [stdout] d9d2087794883a8f5c026a82dca3d54436b6f29ac9c536ab47d342730f4d60e7
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 022333beb0489a1380f1016ab78718e7e585c2f211b75cb2d3f504c594f254a2
[INFO] running `Command { std: "docker" "start" "-a" "022333beb0489a1380f1016ab78718e7e585c2f211b75cb2d3f504c594f254a2", 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNode` is never constructed
[INFO] [stdout]  --> src/questions/palindrome_linked_list.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ListNode {
[INFO] [stdout]   |            ^^^^^^^^
[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: struct `ListNode` is never constructed
[INFO] [stdout]  --> src/questions/reverse_linked_list.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ListNode {
[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 0.63s
[INFO] running `Command { std: "docker" "inspect" "022333beb0489a1380f1016ab78718e7e585c2f211b75cb2d3f504c594f254a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022333beb0489a1380f1016ab78718e7e585c2f211b75cb2d3f504c594f254a2", kill_on_drop: false }`
[INFO] [stdout] 022333beb0489a1380f1016ab78718e7e585c2f211b75cb2d3f504c594f254a2
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 895dc7ddcd0f5fd79036ba5c6cae28479c4d53c63d31586eb3821771d5215fb6
[INFO] running `Command { std: "docker" "start" "-a" "895dc7ddcd0f5fd79036ba5c6cae28479c4d53c63d31586eb3821771d5215fb6", 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)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/rust_book/closures_cacher.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let closure = |x| (x + 1);
[INFO] [stdout]    |                           ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -         let closure = |x| (x + 1);
[INFO] [stdout] 88 +         let closure = |x| x + 1 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/rust_book/closures_cacher.rs:110:27
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let closure = |x| (x + 1);
[INFO] [stdout]     |                           ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 110 -         let closure = |x| (x + 1);
[INFO] [stdout] 110 +         let closure = |x| x + 1 ;
[INFO] [stdout]     |
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "895dc7ddcd0f5fd79036ba5c6cae28479c4d53c63d31586eb3821771d5215fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895dc7ddcd0f5fd79036ba5c6cae28479c4d53c63d31586eb3821771d5215fb6", kill_on_drop: false }`
[INFO] [stdout] 895dc7ddcd0f5fd79036ba5c6cae28479c4d53c63d31586eb3821771d5215fb6
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b850e4ac1ef12bd9bc9046ed822dadfc7ce1a73a884143988c01f81a9650944
[INFO] running `Command { std: "docker" "start" "-a" "0b850e4ac1ef12bd9bc9046ed822dadfc7ce1a73a884143988c01f81a9650944", 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)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/rust_book/closures_cacher.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let closure = |x| (x + 1);
[INFO] [stderr]    |                           ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 88 -         let closure = |x| (x + 1);
[INFO] [stderr] 88 +         let closure = |x| x + 1 ;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/rust_book/closures_cacher.rs:110:27
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let closure = |x| (x + 1);
[INFO] [stderr]     |                           ^     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 110 -         let closure = |x| (x + 1);
[INFO] [stderr] 110 +         let closure = |x| x + 1 ;
[INFO] [stderr]     |
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 8 warnings (run `cargo fix --bin "hacker-code" -p hacker-code --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hacker_code-b0001ecdc786693b)
[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_3 ... ok
[INFO] [stdout] test questions::palindrome_number::tests::test_example_2 ... ok
[INFO] [stdout] test questions::palindrome_number::tests::test_example_4 ... ok
[INFO] [stdout] test questions::reverse_linked_list::tests::test_example_1 ... ok
[INFO] [stdout] test questions::roman_to_integer::tests::test_example_3 ... ok
[INFO] [stdout] test questions::socks::tests::test_number_of_pairs_1 ... ok
[INFO] [stdout] test questions::socks::tests::test_number_of_pairs_2 ... ok
[INFO] [stdout] test questions::two_sums::tests::test_two_sum_1 ... ok
[INFO] [stdout] test questions::roman_to_integer::tests::test_example_2 ... ok
[INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_hashmap_usize ... ok
[INFO] [stdout] test questions::roman_to_integer::tests::test_example_1 ... 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::closures_cacher::tests::test_generic_usize ... ok
[INFO] [stdout] test rust_book::closures_cacher::tests::test_u32 ... ok
[INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_i32 ... ok
[INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_odd ... 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_string::tests::test_get_vowel ... ok
[INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_even ... ok
[INFO] [stdout] test questions::palindrome_number::tests::test_example_1 ... ok
[INFO] [stdout] test rust_book::collections_string::tests::test_get_consonant ... ok
[INFO] [stdout] test rust_book::collections_hashmap::tests::test_get_consonant ... FAILED
[INFO] [stdout] test questions::socks::tests::test_number_of_pairs_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- rust_book::collections_hashmap::tests::test_get_consonant stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'rust_book::collections_hashmap::tests::test_get_consonant' (38) 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:     0x5fe2689f99f2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fe2689f99f2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fe2689f99f2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fe2689f99f2 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fe268a0f0ea - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fe268a0f0ea - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5fe2689fe826 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5fe2689fe826 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5fe2689d7ebf - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fe2689d7ebf - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fe2689f1cd9 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fe26898d5de - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5fe26898d5de - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5fe2689f1e92 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5fe2689f1e92 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5fe2689d7f78 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5fe2689cf949 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fe2689d8dcd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5fe268a0f7ec - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fe268a0f6a3 - core[c5ed12ab89cc536a]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5fe268972d6e - core[c5ed12ab89cc536a]::panicking::assert_failed::<alloc[9c68fdf4f4f29218]::vec::Vec<alloc[9c68fdf4f4f29218]::string::String>, alloc[9c68fdf4f4f29218]::vec::Vec<alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5fe26896a580 - hacker_code[5fe7ca1950459979]::rust_book::collections_hashmap::tests::test_get_consonant
[INFO] [stdout]                                at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:87:9
[INFO] [stdout]   22:     0x5fe268968017 - hacker_code[5fe7ca1950459979]::rust_book::collections_hashmap::tests::test_get_consonant::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:55:28
[INFO] [stdout]   23:     0x5fe268981726 - <hacker_code[5fe7ca1950459979]::rust_book::collections_hashmap::tests::test_get_consonant::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fe26898198b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5fe26898198b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5fe26898e1ea - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5fe26898e1ea - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5fe26898e1ea - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5fe26898e1ea - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5fe26898e1ea - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5fe26898e1ea - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5fe26898e1ea - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5fe2689886b4 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5fe2689886b4 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5fe268990ce2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5fe268990ce2 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5fe268990ce2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5fe268990ce2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5fe268990ce2 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5fe268990ce2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5fe268990ce2 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5fe2689f929f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5fe2689f929f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x7ad345f05aa4 - <unknown>
[INFO] [stdout]   45:     0x7ad345f92a64 - 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 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin hacker-code`
[INFO] running `Command { std: "docker" "inspect" "0b850e4ac1ef12bd9bc9046ed822dadfc7ce1a73a884143988c01f81a9650944", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b850e4ac1ef12bd9bc9046ed822dadfc7ce1a73a884143988c01f81a9650944", kill_on_drop: false }`
[INFO] [stdout] 0b850e4ac1ef12bd9bc9046ed822dadfc7ce1a73a884143988c01f81a9650944
