[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#23949593103d03a82c7ebc2e84434ce6c6edc561 for pr-115235 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PavelVavruska/hacker-code on toolchain 23949593103d03a82c7ebc2e84434ce6c6edc561 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "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-5-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" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70fbccf2eabd32462df67cb8ebca6a087bc46aac3a17bf4b8d71206432579e2b [INFO] running `Command { std: "docker" "start" "-a" "70fbccf2eabd32462df67cb8ebca6a087bc46aac3a17bf4b8d71206432579e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70fbccf2eabd32462df67cb8ebca6a087bc46aac3a17bf4b8d71206432579e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70fbccf2eabd32462df67cb8ebca6a087bc46aac3a17bf4b8d71206432579e2b", kill_on_drop: false }` [INFO] [stdout] 70fbccf2eabd32462df67cb8ebca6a087bc46aac3a17bf4b8d71206432579e2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b4816b54e1a755df6f9fdb584588a2a11dcd02a481a7fbef0500186865e1396 [INFO] running `Command { std: "docker" "start" "-a" "3b4816b54e1a755df6f9fdb584588a2a11dcd02a481a7fbef0500186865e1396", 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)]` 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>) -> 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>) -> 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: 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] [stdout] warning: 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "3b4816b54e1a755df6f9fdb584588a2a11dcd02a481a7fbef0500186865e1396", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b4816b54e1a755df6f9fdb584588a2a11dcd02a481a7fbef0500186865e1396", kill_on_drop: false }` [INFO] [stdout] 3b4816b54e1a755df6f9fdb584588a2a11dcd02a481a7fbef0500186865e1396 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89ae941d02469386a977553c5f84c4ec307bfdf29c6fcb618f77789db74ee3ea [INFO] running `Command { std: "docker" "start" "-a" "89ae941d02469386a977553c5f84c4ec307bfdf29c6fcb618f77789db74ee3ea", 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)]` 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>, [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] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "89ae941d02469386a977553c5f84c4ec307bfdf29c6fcb618f77789db74ee3ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89ae941d02469386a977553c5f84c4ec307bfdf29c6fcb618f77789db74ee3ea", kill_on_drop: false }` [INFO] [stdout] 89ae941d02469386a977553c5f84c4ec307bfdf29c6fcb618f77789db74ee3ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bfc8c6cd2d7095c1c92fbe2b2103b83307d8e8bd6888d99defc0d23b28b4c31c [INFO] running `Command { std: "docker" "start" "-a" "bfc8c6cd2d7095c1c92fbe2b2103b83307d8e8bd6888d99defc0d23b28b4c31c", 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)]` 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>, [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 6 warnings (run `cargo fix --bin "hacker-code" --tests` to apply 1 suggestion) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hacker_code-bdda3a1c5438f6f0) [INFO] [stdout] [INFO] [stdout] running 29 tests [INFO] [stdout] test questions::palindrome_linked_list::tests::test_example_3 ... ok [INFO] [stdout] test questions::palindrome_linked_list::tests::test_example_2 ... ok [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_number::tests::test_example_2 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_3 ... 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_2 ... 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 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::socks::tests::test_number_of_pairs_3 ... ok [INFO] [stdout] test questions::two_sums::tests::test_two_sum_1 ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_hashmap_usize ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_i32 ... ok [INFO] [stdout] test rust_book::collections_string::tests::test_get_consonant ... 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_hashmap_usize_string_slice ... ok [INFO] [stdout] test rust_book::traits::tests::test_main ... ok [INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_odd ... 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 rust_book::ref_weak_strong::tests::test_scopes ... ok [INFO] [stdout] test rust_book::iterators::tests::calling_next_directly ... 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] 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: 0x5564feb351fc - std::backtrace_rs::backtrace::libunwind::trace::hc56bfd85f78f2ac1 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x5564feb351fc - std::backtrace_rs::backtrace::trace_unsynchronized::h3a4cd0ee39c2ec51 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x5564feb351fc - std::sys_common::backtrace::_print_fmt::h7ec874d1114e2ca4 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x5564feb351fc - ::fmt::h9409967845944e27 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x5564feb5fc1c - core::fmt::rt::Argument::fmt::h3548c9d6e288e4b2 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x5564feb5fc1c - core::fmt::write::h31bd00fc0f85031b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x5564feb322be - std::io::Write::write_fmt::hd97b56c28d49e8d5 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x5564feb34fe4 - std::sys_common::backtrace::_print::h8ab9a59ea8fc9a86 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x5564feb34fe4 - std::sys_common::backtrace::print::hfe7afa943e316a5b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x5564feb36faa - std::panicking::panic_hook_with_disk_dump::{{closure}}::hae52bf9a035c21dd [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:280:22 [INFO] [stdout] 10: 0x5564feb36b6d - std::panicking::panic_hook_with_disk_dump::hb6c613677d0ff679 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:311:9 [INFO] [stdout] 11: 0x5564feb0598c - as core::ops::function::Fn>::call::h70da65d4ac9eaaa2 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x5564feb0598c - test::test_main::{{closure}}::h436fe668754d7667 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:136:21 [INFO] [stdout] 13: 0x5564feb37733 - as core::ops::function::Fn>::call::h98627c2cfbd34c2e [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x5564feb37733 - std::panicking::rust_panic_with_hook::hd82d7066cdf9e06f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:757:13 [INFO] [stdout] 15: 0x5564feb374b1 - std::panicking::begin_panic_handler::{{closure}}::hf97c71166d409481 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:631:13 [INFO] [stdout] 16: 0x5564feb35726 - std::sys_common::backtrace::__rust_end_short_backtrace::haa22df65c16edaa5 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:170:18 [INFO] [stdout] 17: 0x5564feb371f2 - rust_begin_unwind [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:619:5 [INFO] [stdout] 18: 0x5564feaa55c5 - core::panicking::panic_fmt::h0e243d6d1945608c [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x5564feaa59db - core::panicking::assert_failed_inner::hffe632e457f110bf [INFO] [stdout] 20: 0x5564feabd79e - core::panicking::assert_failed::h706c9362c0723b44 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panicking.rs:269:5 [INFO] [stdout] 21: 0x5564feac45a3 - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::he9e34220c6be7401 [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:87:9 [INFO] [stdout] 22: 0x5564feac3b67 - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::{{closure}}::h1d3849c4eca4ead7 [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:55:29 [INFO] [stdout] 23: 0x5564feab4196 - core::ops::function::FnOnce::call_once::h99bfdad5e0cfab91 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x5564feb0aabf - core::ops::function::FnOnce::call_once::hf5a9c4e4ad819183 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x5564feb0aabf - test::__rust_begin_short_backtrace::ha85af04d2b493cbd [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:626:18 [INFO] [stdout] 26: 0x5564feb09aae - test::run_test_in_process::{{closure}}::h80bae6710d6987aa [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:649:60 [INFO] [stdout] 27: 0x5564feb09aae - as core::ops::function::FnOnce<()>>::call_once::h1e8456d02dd6a27f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 28: 0x5564feb09aae - std::panicking::try::do_call::h70bdb29e697eb37f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:526:40 [INFO] [stdout] 29: 0x5564feb09aae - std::panicking::try::hac0a5b5cab93a94f [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:490:19 [INFO] [stdout] 30: 0x5564feb09aae - std::panic::catch_unwind::h242aae5a8ee61348 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x5564feb09aae - test::run_test_in_process::hb95e3471d249e80a [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:649:27 [INFO] [stdout] 32: 0x5564feb09aae - test::run_test::{{closure}}::he4945c759a6bb284 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:572:43 [INFO] [stdout] 33: 0x5564fead2363 - test::run_test::{{closure}}::hef3ab237ad9dfdfa [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/test/src/lib.rs:600:41 [INFO] [stdout] 34: 0x5564fead2363 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd6c3f5e9450d872a [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys_common/backtrace.rs:154:18 [INFO] [stdout] 35: 0x5564fead745b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h033a4dc4b24e2ae4 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x5564fead745b - as core::ops::function::FnOnce<()>>::call_once::hf6ace37e8c04836b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 37: 0x5564fead745b - std::panicking::try::do_call::h873acc9efc68dde9 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:526:40 [INFO] [stdout] 38: 0x5564fead745b - std::panicking::try::hf1c7b0cddd2a156c [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panicking.rs:490:19 [INFO] [stdout] 39: 0x5564fead745b - std::panic::catch_unwind::hd0800cc038b1a0e3 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x5564fead745b - std::thread::Builder::spawn_unchecked_::{{closure}}::hbd3f2581a283969b [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x5564fead745b - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05a4474bc37631e7 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x5564feb3bd45 - as core::ops::function::FnOnce>::call_once::ha81bceedc5dd4605 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 43: 0x5564feb3bd45 - as core::ops::function::FnOnce>::call_once::ha86fb738f82c9cc8 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 44: 0x5564feb3bd45 - std::sys::unix::thread::Thread::new::thread_start::h2c80c44f64da2074 [INFO] [stdout] at /rustc/23949593103d03a82c7ebc2e84434ce6c6edc561/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f9922f52b43 - [INFO] [stdout] 46: 0x7f9922fe3bb4 - __clone [INFO] [stdout] 47: 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 0.01s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin hacker-code` [INFO] running `Command { std: "docker" "inspect" "bfc8c6cd2d7095c1c92fbe2b2103b83307d8e8bd6888d99defc0d23b28b4c31c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfc8c6cd2d7095c1c92fbe2b2103b83307d8e8bd6888d99defc0d23b28b4c31c", kill_on_drop: false }` [INFO] [stdout] bfc8c6cd2d7095c1c92fbe2b2103b83307d8e8bd6888d99defc0d23b28b4c31c