[INFO] cloning repository https://github.com/EstebanBorai/grokking-algorithms-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EstebanBorai/grokking-algorithms-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Fgrokking-algorithms-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Fgrokking-algorithms-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 57048173fd1d063c4b76d36047ed51b746dcc19f [INFO] testing EstebanBorai/grokking-algorithms-rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Fgrokking-algorithms-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EstebanBorai/grokking-algorithms-rust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EstebanBorai/grokking-algorithms-rust [INFO] finished tweaking git repo https://github.com/EstebanBorai/grokking-algorithms-rust [INFO] tweaked toml for git repo https://github.com/EstebanBorai/grokking-algorithms-rust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/EstebanBorai/grokking-algorithms-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b60d7af9fde0629d42f488bb92bf7fd5d2b34561b72e2b2c0f74d87caa5fdc02 [INFO] running `Command { std: "docker" "start" "-a" "b60d7af9fde0629d42f488bb92bf7fd5d2b34561b72e2b2c0f74d87caa5fdc02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b60d7af9fde0629d42f488bb92bf7fd5d2b34561b72e2b2c0f74d87caa5fdc02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b60d7af9fde0629d42f488bb92bf7fd5d2b34561b72e2b2c0f74d87caa5fdc02", kill_on_drop: false }` [INFO] [stdout] b60d7af9fde0629d42f488bb92bf7fd5d2b34561b72e2b2c0f74d87caa5fdc02 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df06de52c7288438b35464a3283f15c4bf130b9096cd2aa82f17073c578292de [INFO] running `Command { std: "docker" "start" "-a" "df06de52c7288438b35464a3283f15c4bf130b9096cd2aa82f17073c578292de", kill_on_drop: false }` [INFO] [stderr] Compiling grokking-algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/dijkstras.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn new(name: &'a str) -> Node<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length` [INFO] [stdout] --> src/queue.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/queue.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/stack.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/stack.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn push(&mut self, element: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/stack.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length` [INFO] [stdout] --> src/stack.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/stack.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/stack.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "df06de52c7288438b35464a3283f15c4bf130b9096cd2aa82f17073c578292de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df06de52c7288438b35464a3283f15c4bf130b9096cd2aa82f17073c578292de", kill_on_drop: false }` [INFO] [stdout] df06de52c7288438b35464a3283f15c4bf130b9096cd2aa82f17073c578292de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da3c81ce41e6c760bb53df4a1e5ce6c481de39face6c89626c5a48be505fb0fd [INFO] running `Command { std: "docker" "start" "-a" "da3c81ce41e6c760bb53df4a1e5ce6c481de39face6c89626c5a48be505fb0fd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/dijkstras.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn new(name: &'a str) -> Node<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length` [INFO] [stdout] --> src/queue.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/queue.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/stack.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling grokking-algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/stack.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn push(&mut self, element: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/stack.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `length` [INFO] [stdout] --> src/stack.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/stack.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/stack.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.43s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/grokking_algorithms-a86e184821922a7f) [INFO] running `Command { std: "docker" "inspect" "da3c81ce41e6c760bb53df4a1e5ce6c481de39face6c89626c5a48be505fb0fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da3c81ce41e6c760bb53df4a1e5ce6c481de39face6c89626c5a48be505fb0fd", kill_on_drop: false }` [INFO] [stdout] da3c81ce41e6c760bb53df4a1e5ce6c481de39face6c89626c5a48be505fb0fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 039eefd7cef8c961d184269e4fb914141dfdbb93993e52bd3a1966f4aad46292 [INFO] running `Command { std: "docker" "start" "-a" "039eefd7cef8c961d184269e4fb914141dfdbb93993e52bd3a1966f4aad46292", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/dijkstras.rs:12:8 [INFO] [stderr] | [INFO] [stderr] 12 | fn new(name: &'a str) -> Node<'a> { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `length` [INFO] [stderr] --> src/queue.rs:45:12 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn length(&self) -> usize { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/queue.rs:52:12 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/stack.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push` [INFO] [stderr] --> src/stack.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn push(&mut self, element: T) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop` [INFO] [stderr] --> src/stack.rs:28:12 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn pop(&mut self) -> Option { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `length` [INFO] [stderr] --> src/stack.rs:33:12 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn length(&self) -> usize { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/stack.rs:40:12 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/stack.rs:45:12 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `grokking-algorithms` (lib) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.37s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grokking_algorithms-a86e184821922a7f) [INFO] [stdout] [INFO] [stdout] running 27 tests [INFO] [stdout] test binary_search::tests::doesnt_finds_if_collection_is_not_sorted ... ok [INFO] [stdout] test binary_search::tests::finds_index_of_element ... ok [INFO] [stdout] test binary_search::tests::returns_none_if_items_is_empty ... ok [INFO] [stdout] test breadth_first_search::tests::doesnt_finds_pickle_in_the_graph ... ok [INFO] [stdout] test breadth_first_search::tests::finds_peggy_in_the_graph ... ok [INFO] [stdout] test dijkstras::tests::dijkstra_finds_shortest_distance ... ok [INFO] [stdout] test find_max_recursive::tests::returns_zero_if_empty_vec_is_provided ... ok [INFO] [stdout] test find_max_recursive::tests::finds_the_greatest_value ... ok [INFO] [stdout] test queue::tests::checks_if_queue_is_empty ... ok [INFO] [stdout] test queue::tests::creates_a_queue ... ok [INFO] [stdout] test queue::tests::checks_if_queue_is_not_empty ... ok [INFO] [stdout] test queue::tests::dequeues_an_element ... ok [INFO] [stdout] test queue::tests::enqueue_an_element ... ok [INFO] [stdout] test queue::tests::peeks_the_next_element_from_the_queue ... ok [INFO] [stdout] test queue::tests::retrieves_queue_element_count ... ok [INFO] [stdout] test selection_sort::tests::finds_smallest ... ok [INFO] [stdout] test quicksort::tests::sorts_a_collection ... ok [INFO] [stdout] test selection_sort::tests::sorts_a_collection ... ok [INFO] [stdout] test stack::tests::checks_if_stack_is_empty ... ok [INFO] [stdout] test stack::tests::checks_if_stack_is_not_empty ... ok [INFO] [stdout] test stack::tests::creates_a_stack ... ok [INFO] [stdout] test stack::tests::peeks_element_from_stack ... ok [INFO] [stdout] test stack::tests::pops_elements_from_the_stack ... ok [INFO] [stdout] test stack::tests::pushes_an_element_into_the_stack ... ok [INFO] [stdout] test stack::tests::returns_stack_length ... ok [INFO] [stdout] test sum_recursive::tests::returns_zero_if_empty_vec_is_provided ... ok [INFO] [stdout] test sum_recursive::tests::sums_all_elements_in_vec ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests grokking-algorithms [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "039eefd7cef8c961d184269e4fb914141dfdbb93993e52bd3a1966f4aad46292", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "039eefd7cef8c961d184269e4fb914141dfdbb93993e52bd3a1966f4aad46292", kill_on_drop: false }` [INFO] [stdout] 039eefd7cef8c961d184269e4fb914141dfdbb93993e52bd3a1966f4aad46292