[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#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/PavelVavruska/hacker-code on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5b17c00a6a35b4e8d53678876f2f97d089a634ef7fc9d017efcff76653d5abd [INFO] running `Command { std: "docker" "start" "-a" "e5b17c00a6a35b4e8d53678876f2f97d089a634ef7fc9d017efcff76653d5abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5b17c00a6a35b4e8d53678876f2f97d089a634ef7fc9d017efcff76653d5abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5b17c00a6a35b4e8d53678876f2f97d089a634ef7fc9d017efcff76653d5abd", kill_on_drop: false }` [INFO] [stdout] e5b17c00a6a35b4e8d53678876f2f97d089a634ef7fc9d017efcff76653d5abd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84c0bf43850fe8279dc5f3f3823e7d44dec2f9594532d26515631dea2ef4fa18 [INFO] running `Command { std: "docker" "start" "-a" "84c0bf43850fe8279dc5f3f3823e7d44dec2f9594532d26515631dea2ef4fa18", 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 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>) -> 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>) -> Option> { [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, target: i32) -> Vec { [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>) -> Vec { [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) -> 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(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 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 u32> Cacher_u32 { [INFO] [stdout] | ------------------------------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new(computation: T) -> Cacher_u32 { [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 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 U, U: Copy> Cacher { [INFO] [stdout] | ----------------------------------------- associated items in this implementation [INFO] [stdout] 35 | pub fn new(computation: T) -> Cacher { [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 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 V, K: Clone+Eq+Hash, V: Copy+Eq+Hash> CacherHash { [INFO] [stdout] | -------------------------------------------------------------------------- associated items in this implementation [INFO] [stdout] 62 | pub fn new(computation: T) -> CacherHash { [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 0.42s [INFO] running `Command { std: "docker" "inspect" "84c0bf43850fe8279dc5f3f3823e7d44dec2f9594532d26515631dea2ef4fa18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84c0bf43850fe8279dc5f3f3823e7d44dec2f9594532d26515631dea2ef4fa18", kill_on_drop: false }` [INFO] [stdout] 84c0bf43850fe8279dc5f3f3823e7d44dec2f9594532d26515631dea2ef4fa18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35f921363f41f2dcdf0ae07a9b7f767d0531a9f440caaef014fdbfd1042d208e [INFO] running `Command { std: "docker" "start" "-a" "35f921363f41f2dcdf0ae07a9b7f767d0531a9f440caaef014fdbfd1042d208e", 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 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>, [INFO] [stdout] 7 | children: RefCell>>, [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 0.63s [INFO] running `Command { std: "docker" "inspect" "35f921363f41f2dcdf0ae07a9b7f767d0531a9f440caaef014fdbfd1042d208e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35f921363f41f2dcdf0ae07a9b7f767d0531a9f440caaef014fdbfd1042d208e", kill_on_drop: false }` [INFO] [stdout] 35f921363f41f2dcdf0ae07a9b7f767d0531a9f440caaef014fdbfd1042d208e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c22c899d0ae54841eb81112b939cd7f3c3267e1314ac7f806655c2ea3664fb78 [INFO] running `Command { std: "docker" "start" "-a" "c22c899d0ae54841eb81112b939cd7f3c3267e1314ac7f806655c2ea3664fb78", 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 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>, [INFO] [stderr] 7 | children: RefCell>>, [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" --tests` to apply 2 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_number::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_1 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_3 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_2 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_4 ... ok [INFO] [stdout] test questions::socks::tests::test_number_of_pairs_1 ... ok [INFO] [stdout] test questions::socks::tests::test_number_of_pairs_3 ... 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 rust_book::closures_cacher::tests::test_u32 ... 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_i32 ... ok [INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_even ... ok [INFO] [stdout] test rust_book::collections_string::tests::test_get_vowel ... ok [INFO] [stdout] test rust_book::collections_string::tests::test_get_consonant ... ok [INFO] [stdout] test rust_book::iterators::tests::calling_next_directly ... ok [INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_odd ... ok [INFO] [stdout] test rust_book::ref_weak_strong::tests::test_scopes ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_usize ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_hashmap_usize ... ok [INFO] [stdout] test rust_book::traits::tests::test_main ... ok [INFO] [stdout] test rust_book::collections_hashmap::tests::test_get_consonant ... FAILED [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: 0x5f4d4a74bb42 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5f4d4a74bb42 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5f4d4a74bb42 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5f4d4a74bb42 - ::fmt::h52160e9da139e442 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5f4d4a75ca4f - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5f4d4a75ca4f - core::fmt::write::hf09a056a304e021a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5f4d4a718be1 - std::io::default_write_fmt::hf1a3645468226e09 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5f4d4a718be1 - std::io::Write::write_fmt::ha5ada6d6a18bde33 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5f4d4a724cb2 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5f4d4a7297ff - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5f4d4a729691 - std::panicking::default_hook::h8d20506cf72e4831 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5f4d4a6ea19e - as core::ops::function::Fn>::call::h3d020961abd83a77 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1987:9 [INFO] [stdout] 12: 0x5f4d4a6ea19e - test::test_main_with_exit_callback::{{closure}}::h720dd2fdb2ddcdca [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5f4d4a729ebf - as core::ops::function::Fn>::call::h75334a5fed245bca [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1987:9 [INFO] [stdout] 14: 0x5f4d4a729ebf - std::panicking::panic_with_hook::h746880a052e02c85 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5f4d4a729d1a - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:707:13 [INFO] [stdout] 16: 0x5f4d4a724de9 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5f4d4a70d0dd - __rustc[76f7e7187978e2f8]::rust_begin_unwind [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5f4d4a764840 - core::panicking::panic_fmt::heb245a301f4395db [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14 [INFO] [stdout] 19: 0x5f4d4a764643 - core::panicking::assert_failed_inner::hcb7d91158db22960 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:442:17 [INFO] [stdout] 20: 0x5f4d4a6c8331 - core::panicking::assert_failed::hf57f6b8362661a3b [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:397:5 [INFO] [stdout] 21: 0x5f4d4a6bbde8 - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::hf056cc1a63290eba [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:87:9 [INFO] [stdout] 22: 0x5f4d4a6bbf47 - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::{{closure}}::h8ae9b113e8b0fa86 [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:55:28 [INFO] [stdout] 23: 0x5f4d4a6ad746 - core::ops::function::FnOnce::call_once::h05391f74570f129f [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5f4d4a6e9fcb - core::ops::function::FnOnce::call_once::h933a5d67211adff2 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x5f4d4a6e9fcb - test::__rust_begin_short_backtrace::h2157af19b0990ffb [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x5f4d4a6ffba5 - test::run_test_in_process::{{closure}}::hc3b17e0f313c900a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x5f4d4a6ffba5 - as core::ops::function::FnOnce<()>>::call_once::ha23e4b490259273c [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 28: 0x5f4d4a6ffba5 - std::panicking::catch_unwind::do_call::h8dc9d5da83792f7a [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5f4d4a6ffba5 - std::panicking::catch_unwind::h0d8461330de4a18b [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5f4d4a6ffba5 - std::panic::catch_unwind::h0321b51397bf9811 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5f4d4a6ffba5 - test::run_test_in_process::hcaaa440fdbe4a513 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x5f4d4a6ffba5 - test::run_test::{{closure}}::h6345da602b85d6c3 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x5f4d4a6d63b4 - test::run_test::{{closure}}::h90a3b75194d37b5d [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x5f4d4a6d63b4 - std::sys::backtrace::__rust_begin_short_backtrace::hae41a17001f53ede [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x5f4d4a6d9c7a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6ea895368381e0b1 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 36: 0x5f4d4a6d9c7a - as core::ops::function::FnOnce<()>>::call_once::h9c39013633bb9237 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 37: 0x5f4d4a6d9c7a - std::panicking::catch_unwind::do_call::hac7dba9ee4d99108 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x5f4d4a6d9c7a - std::panicking::catch_unwind::h73015d00e4866ebc [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x5f4d4a6d9c7a - std::panic::catch_unwind::h6f7b38e188aa4f62 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x5f4d4a6d9c7a - std::thread::Builder::spawn_unchecked_::{{closure}}::h969a6a2dc1856df7 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 41: 0x5f4d4a6d9c7a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h269ad1ff23e72122 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x5f4d4a71ff2f - as core::ops::function::FnOnce>::call_once::hdd09a470c130e806 [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/alloc/src/boxed.rs:1973:9 [INFO] [stdout] 43: 0x5f4d4a71ff2f - std::sys::thread::unix::Thread::new::thread_start::h14ea1ba6e320367c [INFO] [stdout] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/thread/unix.rs:126:17 [INFO] [stdout] 44: 0x7c9bba6afaa4 - [INFO] [stdout] 45: 0x7c9bba73ca34 - clone [INFO] [stdout] 46: 0x0 - [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 0.04s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin hacker-code` [INFO] running `Command { std: "docker" "inspect" "c22c899d0ae54841eb81112b939cd7f3c3267e1314ac7f806655c2ea3664fb78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c22c899d0ae54841eb81112b939cd7f3c3267e1314ac7f806655c2ea3664fb78", kill_on_drop: false }` [INFO] [stdout] c22c899d0ae54841eb81112b939cd7f3c3267e1314ac7f806655c2ea3664fb78