[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 try#d724b5ab2f4ac098ff483349a80b6a3799a5177b for pr-113843 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PavelVavruska/hacker-code on toolchain d724b5ab2f4ac098ff483349a80b6a3799a5177b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "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-6-tc2/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" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8d803f04a42e75441235c6a99307376e10192e3093c250fc2d0a03f99ffa2df [INFO] running `Command { std: "docker" "start" "-a" "c8d803f04a42e75441235c6a99307376e10192e3093c250fc2d0a03f99ffa2df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8d803f04a42e75441235c6a99307376e10192e3093c250fc2d0a03f99ffa2df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8d803f04a42e75441235c6a99307376e10192e3093c250fc2d0a03f99ffa2df", kill_on_drop: false }` [INFO] [stdout] c8d803f04a42e75441235c6a99307376e10192e3093c250fc2d0a03f99ffa2df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2074105f4f9c67c72030312c8a897c8eabbbe019ff2cf126ec218c7a8d168057 [INFO] running `Command { std: "docker" "start" "-a" "2074105f4f9c67c72030312c8a897c8eabbbe019ff2cf126ec218c7a8d168057", 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 0.39s [INFO] running `Command { std: "docker" "inspect" "2074105f4f9c67c72030312c8a897c8eabbbe019ff2cf126ec218c7a8d168057", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2074105f4f9c67c72030312c8a897c8eabbbe019ff2cf126ec218c7a8d168057", kill_on_drop: false }` [INFO] [stdout] 2074105f4f9c67c72030312c8a897c8eabbbe019ff2cf126ec218c7a8d168057 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36c8184f983d493c5721da9974a07a4c0349b7df870d5f2f59f0957e96f97bd2 [INFO] running `Command { std: "docker" "start" "-a" "36c8184f983d493c5721da9974a07a4c0349b7df870d5f2f59f0957e96f97bd2", 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 0.60s [INFO] running `Command { std: "docker" "inspect" "36c8184f983d493c5721da9974a07a4c0349b7df870d5f2f59f0957e96f97bd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36c8184f983d493c5721da9974a07a4c0349b7df870d5f2f59f0957e96f97bd2", kill_on_drop: false }` [INFO] [stdout] 36c8184f983d493c5721da9974a07a4c0349b7df870d5f2f59f0957e96f97bd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d3c3b3ac5ba13ca48e30078e110c23c49a674de20b742ab84b32f37534e15de6 [INFO] running `Command { std: "docker" "start" "-a" "d3c3b3ac5ba13ca48e30078e110c23c49a674de20b742ab84b32f37534e15de6", 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_number::tests::test_example_2 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_1 ... ok [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_number::tests::test_example_3 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_4 ... ok [INFO] [stdout] test questions::palindrome_linked_list::tests::test_example_1 ... 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::closures_cacher::tests::test_generic_usize ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_u32 ... ok [INFO] [stdout] test rust_book::collections_string::tests::test_get_consonant ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_hashmap_usize_string_slice ... ok [INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_even ... 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::traits::tests::test_main ... ok [INFO] [stdout] test rust_book::collections_string::tests::test_get_vowel ... 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 'assertion failed: `(left == right)` [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"]`', src/rust_book/collections_hashmap.rs:87:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c3e0bacf11 - std::backtrace_rs::backtrace::libunwind::trace::h739ec181bd3bd192 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55c3e0bacf11 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c66fffa8ed12204 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c3e0bacf11 - std::sys_common::backtrace::_print_fmt::h7516c808a13dd2a8 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stdout] 3: 0x55c3e0bacf11 - ::fmt::h36cf058bf00f1d43 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55c3e0bd7c8c - core::fmt::rt::Argument::fmt::he3895a29fa8140d3 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x55c3e0bd7c8c - core::fmt::write::hb5d897b3776b75c9 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x55c3e0baa00e - std::io::Write::write_fmt::h446ec65e81f1b759 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x55c3e0bacd25 - std::sys_common::backtrace::_print::he50b112759a05479 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55c3e0bacd25 - std::sys_common::backtrace::print::hd87678fbb1c1b8e9 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55c3e0baea43 - std::panicking::default_hook::{{closure}}::h520841a09e5b8e9c [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:269:22 [INFO] [stdout] 10: 0x55c3e0bae6e0 - std::panicking::default_hook::hb83255e266aa1d71 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:285:9 [INFO] [stdout] 11: 0x55c3e0b7dae7 - as core::ops::function::Fn>::call::hc710099e0f8c423a [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x55c3e0b7dae7 - test::test_main::{{closure}}::h14976b654346d4ad [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:135:21 [INFO] [stdout] 13: 0x55c3e0baf13e - as core::ops::function::Fn>::call::h4474bff724dc1968 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x55c3e0baf13e - std::panicking::rust_panic_with_hook::hd923f0b3176be351 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:709:13 [INFO] [stdout] 15: 0x55c3e0baeec7 - std::panicking::begin_panic_handler::{{closure}}::h7732b0d5090f868c [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:597:13 [INFO] [stdout] 16: 0x55c3e0bad376 - std::sys_common::backtrace::__rust_end_short_backtrace::hd3215e0a304cb1e6 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:151:18 [INFO] [stdout] 17: 0x55c3e0baec12 - rust_begin_unwind [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:593:5 [INFO] [stdout] 18: 0x55c3e0b194a3 - core::panicking::panic_fmt::hf8c9b1b69e223ecf [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/panicking.rs:67:14 [INFO] [stdout] 19: 0x55c3e0b1983b - core::panicking::assert_failed_inner::hab2312814d33adbe [INFO] [stdout] 20: 0x55c3e0b2511a - core::panicking::assert_failed::h29f8b9863c6d0dce [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/panicking.rs:229:5 [INFO] [stdout] 21: 0x55c3e0b3da93 - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::hc87f49d36f0b09b8 [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:87:9 [INFO] [stdout] 22: 0x55c3e0b3d047 - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::{{closure}}::h68005bfc76b8c1bd [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:55:29 [INFO] [stdout] 23: 0x55c3e0b29395 - core::ops::function::FnOnce::call_once::h5afc89200046f748 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55c3e0b82d8f - core::ops::function::FnOnce::call_once::h11078fa479b643f5 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55c3e0b82d8f - test::__rust_begin_short_backtrace::h80e6cfa42885071e [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:626:18 [INFO] [stdout] 26: 0x55c3e0b81dc2 - test::run_test_in_process::{{closure}}::h3d48aa71673f92f6 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:649:60 [INFO] [stdout] 27: 0x55c3e0b81dc2 - as core::ops::function::FnOnce<()>>::call_once::h96dc42228b07dbcf [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 28: 0x55c3e0b81dc2 - std::panicking::try::do_call::h352ee96fe6c276d4 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:500:40 [INFO] [stdout] 29: 0x55c3e0b81dc2 - std::panicking::try::he6e8750eedee8297 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:464:19 [INFO] [stdout] 30: 0x55c3e0b81dc2 - std::panic::catch_unwind::h853de8d29df91e27 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x55c3e0b81dc2 - test::run_test_in_process::h35c85fd2179cc49d [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:649:27 [INFO] [stdout] 32: 0x55c3e0b81dc2 - test::run_test::{{closure}}::hb10098e5ac3cdcb3 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:572:43 [INFO] [stdout] 33: 0x55c3e0b48c24 - test::run_test::{{closure}}::h1818cbbc8e1b4a2e [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:600:41 [INFO] [stdout] 34: 0x55c3e0b48c24 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8d9d4bb268daa0a0 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:135:18 [INFO] [stdout] 35: 0x55c3e0b4e87b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h0fefc0ce4f670cd9 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x55c3e0b4e87b - as core::ops::function::FnOnce<()>>::call_once::hdf335d4d76d78886 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 37: 0x55c3e0b4e87b - std::panicking::try::do_call::hb02f54071ad1bbcc [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:500:40 [INFO] [stdout] 38: 0x55c3e0b4e87b - std::panicking::try::hceb1c9208fc751e4 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:464:19 [INFO] [stdout] 39: 0x55c3e0b4e87b - std::panic::catch_unwind::h8a1ed55955a3d386 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x55c3e0b4e87b - std::thread::Builder::spawn_unchecked_::{{closure}}::hf12960b97ece0619 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x55c3e0b4e87b - core::ops::function::FnOnce::call_once{{vtable.shim}}::h3431c5eb5d5329fb [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x55c3e0bb3745 - as core::ops::function::FnOnce>::call_once::h0d11e726055d6ea9 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 43: 0x55c3e0bb3745 - as core::ops::function::FnOnce>::call_once::h2ab7960dd59e2260 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 44: 0x55c3e0bb3745 - std::sys::unix::thread::Thread::new::thread_start::hcc70088a8406743d [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f8c16721b43 - [INFO] [stdout] 46: 0x7f8c167b2bb4 - __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 0.02s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin hacker-code` [INFO] running `Command { std: "docker" "inspect" "d3c3b3ac5ba13ca48e30078e110c23c49a674de20b742ab84b32f37534e15de6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3c3b3ac5ba13ca48e30078e110c23c49a674de20b742ab84b32f37534e15de6", kill_on_drop: false }` [INFO] [stdout] d3c3b3ac5ba13ca48e30078e110c23c49a674de20b742ab84b32f37534e15de6