[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dac4ed8541cf90fa2aa6992111a93d6bca1158c7 [INFO] testing PavelVavruska/hacker-code against try#5bc97a20e5cc382ae6d19f727a9e73eeb2734548 for pr-99093 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPavelVavruska%2Fhacker-code" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PavelVavruska/hacker-code on toolchain 5bc97a20e5cc382ae6d19f727a9e73eeb2734548 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "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-10/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: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5c6ca6cbe4031f0aa3ed633abcbb68c88f8483a94829827ea8ce63d87928a2da [INFO] running `Command { std: "docker" "start" "-a" "5c6ca6cbe4031f0aa3ed633abcbb68c88f8483a94829827ea8ce63d87928a2da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c6ca6cbe4031f0aa3ed633abcbb68c88f8483a94829827ea8ce63d87928a2da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c6ca6cbe4031f0aa3ed633abcbb68c88f8483a94829827ea8ce63d87928a2da", kill_on_drop: false }` [INFO] [stdout] 5c6ca6cbe4031f0aa3ed633abcbb68c88f8483a94829827ea8ce63d87928a2da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff580361a3d04ca6c43017c3d89e6c78b273c3ba50f18209cdde641545a5f662 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ff580361a3d04ca6c43017c3d89e6c78b273c3ba50f18209cdde641545a5f662", 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 1.34s [INFO] running `Command { std: "docker" "inspect" "ff580361a3d04ca6c43017c3d89e6c78b273c3ba50f18209cdde641545a5f662", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff580361a3d04ca6c43017c3d89e6c78b273c3ba50f18209cdde641545a5f662", kill_on_drop: false }` [INFO] [stdout] ff580361a3d04ca6c43017c3d89e6c78b273c3ba50f18209cdde641545a5f662 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e8db935d691db67ccf7c0a98dc46101ad38cb4efdfcc610eb32bdb43ad999066 [INFO] running `Command { std: "docker" "start" "-a" "e8db935d691db67ccf7c0a98dc46101ad38cb4efdfcc610eb32bdb43ad999066", 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 1.95s [INFO] running `Command { std: "docker" "inspect" "e8db935d691db67ccf7c0a98dc46101ad38cb4efdfcc610eb32bdb43ad999066", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8db935d691db67ccf7c0a98dc46101ad38cb4efdfcc610eb32bdb43ad999066", kill_on_drop: false }` [INFO] [stdout] e8db935d691db67ccf7c0a98dc46101ad38cb4efdfcc610eb32bdb43ad999066 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d09f5d431fab2323a6068e08f2b0c739c3e3ad979e5c9fb22c5dae96adc0ceaf [INFO] running `Command { std: "docker" "start" "-a" "d09f5d431fab2323a6068e08f2b0c739c3e3ad979e5c9fb22c5dae96adc0ceaf", 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 [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [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_linked_list::tests::test_example_2 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_2 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_4 ... ok [INFO] [stdout] test questions::reverse_linked_list::tests::test_example_1 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_1 ... ok [INFO] [stdout] test questions::roman_to_integer::tests::test_example_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 rust_book::closures_cacher::tests::test_generic_hashmap_usize ... ok [INFO] [stdout] test questions::two_sums::tests::test_two_sum_1 ... ok [INFO] [stdout] test rust_book::collections_vec::tests::test_get_median_even ... ok [INFO] [stdout] test rust_book::closures_cacher::tests::test_generic_hashmap_usize_string_slice ... 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::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::traits::tests::test_main ... ok [INFO] [stdout] test rust_book::ref_weak_strong::tests::test_scopes ... 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 questions::palindrome_linked_list::tests::test_example_3 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_3 ... ok [INFO] [stdout] test questions::palindrome_number::tests::test_example_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: 0x55e6dce0e1b0 - std::backtrace_rs::backtrace::libunwind::trace::h552106febb15e17e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x55e6dce0e1b0 - std::backtrace_rs::backtrace::trace_unsynchronized::hf7774f161cb6a040 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55e6dce0e1b0 - std::sys_common::backtrace::_print_fmt::h0c305f5052d81630 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55e6dce0e1b0 - ::fmt::h64b3e0a8deb0a611 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55e6dce31c8c - core::fmt::write::h8f671d0f7992fdc6 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/fmt/mod.rs:1198:17 [INFO] [stdout] 5: 0x55e6dce0abd5 - std::io::Write::write_fmt::hd208f914b48a2290 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/io/mod.rs:1672:15 [INFO] [stdout] 6: 0x55e6dce0fbf1 - std::sys_common::backtrace::_print::h9fa97aca0ed3f804 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55e6dce0fbf1 - std::sys_common::backtrace::print::haab86c3a36d9a53e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55e6dce0fbf1 - std::panicking::default_hook::{{closure}}::h97ac82ba40b3820b [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55e6dce0f846 - std::panicking::default_hook::h3a2e40383cd02365 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55e6dce10293 - std::panicking::rust_panic_with_hook::h91242c0d4adecfe2 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55e6dce10187 - std::panicking::begin_panic_handler::{{closure}}::h627cf56a9a0a9517 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55e6dce0e684 - std::sys_common::backtrace::__rust_end_short_backtrace::hf13451d299824903 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55e6dce0feb2 - rust_begin_unwind [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55e6dcd80db3 - core::panicking::panic_fmt::ha6799a5d9621aa13 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x55e6dce2fb58 - core::panicking::assert_failed_inner::h06a9ad83c1bddedb [INFO] [stdout] 16: 0x55e6dcda4bda - core::panicking::assert_failed::h7f264a296a83627c [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/panicking.rs:181:5 [INFO] [stdout] 17: 0x55e6dcda5eef - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::hd498d85b6cea9223 [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:87:9 [INFO] [stdout] 18: 0x55e6dcda544a - hacker_code::rust_book::collections_hashmap::tests::test_get_consonant::{{closure}}::h7ffd6e0ecec3fe29 [INFO] [stdout] at /opt/rustwide/workdir/src/rust_book/collections_hashmap.rs:55:5 [INFO] [stdout] 19: 0x55e6dcd9847e - core::ops::function::FnOnce::call_once::h73162b69b2b5740d [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x55e6dcde9613 - core::ops::function::FnOnce::call_once::h0f9e5c16f2fad3fe [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x55e6dcde9613 - test::__rust_begin_short_backtrace::h6b395b12fb47e0c7 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:572:5 [INFO] [stdout] 22: 0x55e6dcde83ac - as core::ops::function::FnOnce>::call_once::h116a04ad1adfbba8 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 23: 0x55e6dcde83ac - as core::ops::function::FnOnce<()>>::call_once::h237703400c3f95d2 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55e6dcde83ac - std::panicking::try::do_call::hb6f7087c5161b13a [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55e6dcde83ac - std::panicking::try::h40eb70910e5ec9fc [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55e6dcde83ac - std::panic::catch_unwind::h9011aaff4baefe1e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55e6dcde83ac - test::run_test_in_process::haab9d5dbf92a97fd [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:595:18 [INFO] [stdout] 28: 0x55e6dcde83ac - test::run_test::run_test_inner::{{closure}}::h431ff305408eb101 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:489:39 [INFO] [stdout] 29: 0x55e6dcdb3fec - test::run_test::run_test_inner::{{closure}}::h1761b84f3aff0780 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/test/src/lib.rs:516:37 [INFO] [stdout] 30: 0x55e6dcdb3fec - std::sys_common::backtrace::__rust_begin_short_backtrace::heac1883bddbbfcd9 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55e6dcdb9fff - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h509e89854d46123e [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/thread/mod.rs:505:17 [INFO] [stdout] 32: 0x55e6dcdb9fff - as core::ops::function::FnOnce<()>>::call_once::h1b05c47dc35673b3 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55e6dcdb9fff - std::panicking::try::do_call::hd58695587ce4c228 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55e6dcdb9fff - std::panicking::try::hc017871f7aa94d61 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55e6dcdb9fff - std::panic::catch_unwind::h38b4473a1f81bb80 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55e6dcdb9fff - std::thread::Builder::spawn_unchecked_::{{closure}}::h361d7687a745025a [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/thread/mod.rs:504:30 [INFO] [stdout] 37: 0x55e6dcdb9fff - core::ops::function::FnOnce::call_once{{vtable.shim}}::h647e812f95f891a3 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x55e6dce14803 - as core::ops::function::FnOnce>::call_once::hd2e3a9e0ae7d8026 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 39: 0x55e6dce14803 - as core::ops::function::FnOnce>::call_once::h4798a92ee79456cc [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/alloc/src/boxed.rs:1934:9 [INFO] [stdout] 40: 0x55e6dce14803 - std::sys::unix::thread::Thread::new::thread_start::h9be4f412ada0f0f9 [INFO] [stdout] at /rustc/5bc97a20e5cc382ae6d19f727a9e73eeb2734548/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f1a21578609 - start_thread [INFO] [stdout] 42: 0x7f1a21348133 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] rust_book::collections_hashmap::tests::test_get_consonant [INFO] [stdout] [INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin hacker-code' [INFO] running `Command { std: "docker" "inspect" "d09f5d431fab2323a6068e08f2b0c739c3e3ad979e5c9fb22c5dae96adc0ceaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d09f5d431fab2323a6068e08f2b0c739c3e3ad979e5c9fb22c5dae96adc0ceaf", kill_on_drop: false }` [INFO] [stdout] d09f5d431fab2323a6068e08f2b0c739c3e3ad979e5c9fb22c5dae96adc0ceaf