[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#ece70b22820429ebf0c6d388c32356a14c58fc2f for pr-107251 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PavelVavruska/hacker-code on toolchain ece70b22820429ebf0c6d388c32356a14c58fc2f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "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-4-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" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 765adcce8d784184ed6260499ea74163df9762b7ca12be4c4f75ecdb08075c12 [INFO] running `Command { std: "docker" "start" "-a" "765adcce8d784184ed6260499ea74163df9762b7ca12be4c4f75ecdb08075c12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "765adcce8d784184ed6260499ea74163df9762b7ca12be4c4f75ecdb08075c12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "765adcce8d784184ed6260499ea74163df9762b7ca12be4c4f75ecdb08075c12", kill_on_drop: false }` [INFO] [stdout] 765adcce8d784184ed6260499ea74163df9762b7ca12be4c4f75ecdb08075c12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5a8e1af1ffa35a411f5c8bcb320b7e3960237643dca94ee1b91d62b14858229 [INFO] running `Command { std: "docker" "start" "-a" "b5a8e1af1ffa35a411f5c8bcb320b7e3960237643dca94ee1b91d62b14858229", 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] 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] 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 function `is_palindrome` is never used [INFO] [stdout] --> src/questions/palindrome_number.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn is_palindrome(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_palindrome_i64_hack` is never used [INFO] [stdout] --> src/questions/palindrome_number.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn is_palindrome_i64_hack(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_palindrome_string_version` is never used [INFO] [stdout] --> src/questions/palindrome_number.rs:78:12 [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] 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] 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] 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] 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: 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: 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 function `new` is never used [INFO] [stdout] --> src/rust_book/closures_cacher.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn new(computation: T) -> Cacher_u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `value` is never used [INFO] [stdout] --> src/rust_book/closures_cacher.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn value(&mut self, number: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/rust_book/closures_cacher.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(computation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `value` is never used [INFO] [stdout] --> src/rust_book/closures_cacher.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn value(&mut self, input_value: U) -> U { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/rust_book/closures_cacher.rs:62:12 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn new(computation: T) -> CacherHash { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `value` is never used [INFO] [stdout] --> src/rust_book/closures_cacher.rs:69:12 [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] 6 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 33 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "b5a8e1af1ffa35a411f5c8bcb320b7e3960237643dca94ee1b91d62b14858229", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5a8e1af1ffa35a411f5c8bcb320b7e3960237643dca94ee1b91d62b14858229", kill_on_drop: false }` [INFO] [stdout] b5a8e1af1ffa35a411f5c8bcb320b7e3960237643dca94ee1b91d62b14858229 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a91f3d73eafcfe0e513c2cf33d7f8c8c45179be64e6a62e1e0863f7e817ec39 [INFO] running `Command { std: "docker" "start" "-a" "0a91f3d73eafcfe0e513c2cf33d7f8c8c45179be64e6a62e1e0863f7e817ec39", 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 function `is_palindrome_i64_hack` is never used [INFO] [stdout] --> src/questions/palindrome_number.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn is_palindrome_i64_hack(x: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_palindrome_string_version` is never used [INFO] [stdout] --> src/questions/palindrome_number.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn is_palindrome_string_version(x: i32) -> bool { [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 `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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `Command { std: "docker" "inspect" "0a91f3d73eafcfe0e513c2cf33d7f8c8c45179be64e6a62e1e0863f7e817ec39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a91f3d73eafcfe0e513c2cf33d7f8c8c45179be64e6a62e1e0863f7e817ec39", kill_on_drop: false }` [INFO] [stdout] 0a91f3d73eafcfe0e513c2cf33d7f8c8c45179be64e6a62e1e0863f7e817ec39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+ece70b22820429ebf0c6d388c32356a14c58fc2f" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5b619af6c4f9aae8cf71a858f788ee8b70ab4ebba832c5cbd291063e9d8f745f [INFO] running `Command { std: "docker" "start" "-a" "5b619af6c4f9aae8cf71a858f788ee8b70ab4ebba832c5cbd291063e9d8f745f", 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 function `is_palindrome_i64_hack` is never used [INFO] [stderr] --> src/questions/palindrome_number.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn is_palindrome_i64_hack(x: i32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `is_palindrome_string_version` is never used [INFO] [stderr] --> src/questions/palindrome_number.rs:78:12 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn is_palindrome_string_version(x: i32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 7 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-e0e2ff2e41e96665) [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_2 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_4 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_3 ... ok [INFO] [stdout] test questions::palindrome_linked_list::tests::test_example_3 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_1 ... ok [INFO] [stdout] test questions::socks::tests::test_number_of_pairs_1 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_4 ... 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::palindrome_number::tests::test_example_3 ... 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 questions::palindrome_linked_list::tests::test_example_2 ... 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_u32 ... ok [INFO] [stdout] test rust_book::collections_string::tests::test_get_consonant ... 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::iterators::tests::calling_next_directly ... ok [INFO] [stdout] test rust_book::ref_weak_strong::tests::test_scopes ... ok [INFO] [stdout] test rust_book::traits::tests::test_main ... ok [INFO] [stdout] test questions::reverse_linked_list::tests::test_example_1 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_2 ... ok [INFO] [stdout] test questions::two_sums::tests::test_two_sum_1 ... ok [INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_odd ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_1 ... 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: 0x55f108fc842a - std::backtrace_rs::backtrace::libunwind::trace::he568b6238b072df1 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55f108fc842a - std::backtrace_rs::backtrace::trace_unsynchronized::h615b35b2d049ee58 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55f108fc842a - std::sys_common::backtrace::_print_fmt::h6351640b3c0a2ee5 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stdout] 3: 0x55f108fc842a - ::fmt::h6ad0c52f3db5de61 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55f108fecd0e - core::fmt::write::h40c806382df4467b [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/core/src/fmt/mod.rs:1232:17 [INFO] [stdout] 5: 0x55f108fc5965 - std::io::Write::write_fmt::h927efc1119ecc2aa [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/io/mod.rs:1682:15 [INFO] [stdout] 6: 0x55f108fc81f5 - std::sys_common::backtrace::_print::h3e2ab0ebf3e1539e [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 7: 0x55f108fc81f5 - std::sys_common::backtrace::print::hf60e1d0c5675adaf [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 8: 0x55f108fc9f7f - std::panicking::default_hook::{{closure}}::h37c40e75fe351113 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panicking.rs:267:22 [INFO] [stdout] 9: 0x55f108fc9ca0 - std::panicking::default_hook::hdfddcd6d3c8da773 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panicking.rs:283:9 [INFO] [stdout] 10: 0x55f108f9c91f - as core::ops::function::Fn>::call::h3927aee20d921376 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/alloc/src/boxed.rs:2002:9 [INFO] [stdout] 11: 0x55f108f9c91f - test::test_main::{{closure}}::hdbf0e74117216bc6 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/test/src/lib.rs:135:21 [INFO] [stdout] 12: 0x55f108fca6aa - as core::ops::function::Fn>::call::h175ab4d0851ed3dd [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/alloc/src/boxed.rs:2002:9 [INFO] [stdout] 13: 0x55f108fca6aa - std::panicking::rust_panic_with_hook::h33ea336d8aedfd37 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panicking.rs:692:13 [INFO] [stdout] 14: 0x55f108fca429 - std::panicking::begin_panic_handler::{{closure}}::h549545ba99aa7150 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panicking.rs:579:13 [INFO] [stdout] 15: 0x55f108fc88dc - std::sys_common::backtrace::__rust_end_short_backtrace::h8ba7d914c318dda0 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/sys_common/backtrace.rs:137:18 [INFO] [stdout] 16: 0x55f108fca132 - rust_begin_unwind [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panicking.rs:575:5 [INFO] [stdout] 17: 0x55f108f3ca03 - core::panicking::panic_fmt::h0d8830f4392dec6c [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/core/src/panicking.rs:64:14 [INFO] [stdout] 18: 0x55f108f3ccdf - core::panicking::assert_failed_inner::heb4c9e177dd9d015 [INFO] [stdout] 19: 0x55f108f5b66a - core::panicking::assert_failed::h80013d0b4a1e1458 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/core/src/panicking.rs:212:5 [INFO] [stdout] 20: 0x55f108f5e59f - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::h0a2b10e10d157b16 [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:87:9 [INFO] [stdout] 21: 0x55f108f5daf7 - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::{{closure}}::h0887658894fea3ee [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:55:29 [INFO] [stdout] 22: 0x55f108f55c55 - core::ops::function::FnOnce::call_once::hfeb4ecde230503a6 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x55f108fa1d4f - core::ops::function::FnOnce::call_once::hb813d3f5e166c08f [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55f108fa1d4f - test::__rust_begin_short_backtrace::h7f1b06ce6d6d08d4 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/test/src/lib.rs:656:18 [INFO] [stdout] 25: 0x55f108f7344c - test::run_test::{{closure}}::hf9f121460b3b37c8 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/test/src/lib.rs:647:30 [INFO] [stdout] 26: 0x55f108f7344c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h0e1b9efe6cf3be8a [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 27: 0x55f108fa0d4a - as core::ops::function::FnOnce>::call_once::h8c84194e00139966 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/alloc/src/boxed.rs:1988:9 [INFO] [stdout] 28: 0x55f108fa0d4a - as core::ops::function::FnOnce<()>>::call_once::hb13db309c0c9d10c [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 29: 0x55f108fa0d4a - std::panicking::try::do_call::h7d4dd91edca02d36 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panicking.rs:483:40 [INFO] [stdout] 30: 0x55f108fa0d4a - std::panicking::try::h05cb81cfea21662a [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panicking.rs:447:19 [INFO] [stdout] 31: 0x55f108fa0d4a - std::panic::catch_unwind::h13944fb8eed602e8 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panic.rs:140:14 [INFO] [stdout] 32: 0x55f108fa0d4a - test::run_test_in_process::he4b7e28b3a0c7b92 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/test/src/lib.rs:679:27 [INFO] [stdout] 33: 0x55f108fa0d4a - test::run_test::run_test_inner::{{closure}}::hea5def5b7f8bfcbf [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/test/src/lib.rs:573:39 [INFO] [stdout] 34: 0x55f108f6dbf1 - test::run_test::run_test_inner::{{closure}}::hb46db0f41ff1caff [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/test/src/lib.rs:600:37 [INFO] [stdout] 35: 0x55f108f6dbf1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h03d30eb38b5e6fd6 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/sys_common/backtrace.rs:121:18 [INFO] [stdout] 36: 0x55f108f7356b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hdb948eb939775932 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/thread/mod.rs:558:17 [INFO] [stdout] 37: 0x55f108f7356b - as core::ops::function::FnOnce<()>>::call_once::h9584672b1fce3a06 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 38: 0x55f108f7356b - std::panicking::try::do_call::hebd78cb1e67eadd9 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panicking.rs:483:40 [INFO] [stdout] 39: 0x55f108f7356b - std::panicking::try::h34445f614a486f1e [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panicking.rs:447:19 [INFO] [stdout] 40: 0x55f108f7356b - std::panic::catch_unwind::ha9b5bb54988040d5 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/panic.rs:140:14 [INFO] [stdout] 41: 0x55f108f7356b - std::thread::Builder::spawn_unchecked_::{{closure}}::h5ab9ede3d2fe3114 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 42: 0x55f108f7356b - core::ops::function::FnOnce::call_once{{vtable.shim}}::he9a47e7e0dc40adf [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 43: 0x55f108fceb73 - as core::ops::function::FnOnce>::call_once::hb80f533ade5d9d33 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/alloc/src/boxed.rs:1988:9 [INFO] [stdout] 44: 0x55f108fceb73 - as core::ops::function::FnOnce>::call_once::h832b731bedc41dd4 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/alloc/src/boxed.rs:1988:9 [INFO] [stdout] 45: 0x55f108fceb73 - std::sys::unix::thread::Thread::new::thread_start::h73cb34857e6f2a78 [INFO] [stdout] at /rustc/ece70b22820429ebf0c6d388c32356a14c58fc2f/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 46: 0x7f36da59eb43 - [INFO] [stdout] 47: 0x7f36da62fbb4 - __clone [INFO] [stdout] 48: 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" "5b619af6c4f9aae8cf71a858f788ee8b70ab4ebba832c5cbd291063e9d8f745f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b619af6c4f9aae8cf71a858f788ee8b70ab4ebba832c5cbd291063e9d8f745f", kill_on_drop: false }` [INFO] [stdout] 5b619af6c4f9aae8cf71a858f788ee8b70ab4ebba832c5cbd291063e9d8f745f