[INFO] updating cached repository https://github.com/rgrativol/lotto6
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1cf9ca4ab5aff21d0c62abfae4dde01b617cc309
[INFO] testing rgrativol/lotto6 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgrativol%2Flotto6" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rgrativol/lotto6 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rgrativol/lotto6
[INFO] finished tweaking git repo https://github.com/rgrativol/lotto6
[INFO] tweaked toml for git repo https://github.com/rgrativol/lotto6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rgrativol/lotto6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 70d0379198cb6eee3297763e498cb3abda2beda44fed6ab8bde8d4c025e7e22b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "70d0379198cb6eee3297763e498cb3abda2beda44fed6ab8bde8d4c025e7e22b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lotto6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let draws = load_csv(csv_path);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]  --> src/stats.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn frequency(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]  --> src/stats.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn most_overdue_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn most_common_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn least_often_picked_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn most_common_pair(draws: &Vec<Draw>) -> Vec<(u8,u8, u32)> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn most_common_triplets(draws: &Vec<Draw>) -> Vec<(u8, u8, u8, u32)> {
[INFO] [stderr]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `DrawSummary`
[INFO] [stderr]  --> src/stats.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type DrawSummary = (u8, u32);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `frequency`
[INFO] [stderr]  --> src/stats.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn frequency(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_overdue_numbers`
[INFO] [stderr]  --> src/stats.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn most_overdue_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_common_numbers`
[INFO] [stderr]   --> src/stats.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn most_common_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `least_often_picked_numbers`
[INFO] [stderr]   --> src/stats.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn least_often_picked_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_common_pair`
[INFO] [stderr]   --> src/stats.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn most_common_pair(draws: &Vec<Draw>) -> Vec<(u8,u8, u32)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_common_triplets`
[INFO] [stderr]   --> src/stats.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn most_common_triplets(draws: &Vec<Draw>) -> Vec<(u8, u8, u8, u32)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FrequencyStack`
[INFO] [stderr]  --> src/frequency_stack.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct FrequencyStack{
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push`
[INFO] [stderr]  --> src/frequency_stack.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn push(&self){
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]   --> src/frequency_stack.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn pop(&self){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "70d0379198cb6eee3297763e498cb3abda2beda44fed6ab8bde8d4c025e7e22b"`
[INFO] running `"docker" "rm" "-f" "70d0379198cb6eee3297763e498cb3abda2beda44fed6ab8bde8d4c025e7e22b"`
[INFO] [stdout] 70d0379198cb6eee3297763e498cb3abda2beda44fed6ab8bde8d4c025e7e22b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a6f22d099c1b4148c3cdab342070d063bd75e4e1a81cdf0d0eaa76eb50e1c92
[INFO] running `"docker" "start" "-a" "1a6f22d099c1b4148c3cdab342070d063bd75e4e1a81cdf0d0eaa76eb50e1c92"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lotto6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let draws = load_csv(csv_path);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]  --> src/stats.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn frequency(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]  --> src/stats.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn most_overdue_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn most_common_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn least_often_picked_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn most_common_pair(draws: &Vec<Draw>) -> Vec<(u8,u8, u32)> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn most_common_triplets(draws: &Vec<Draw>) -> Vec<(u8, u8, u8, u32)> {
[INFO] [stderr]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `DrawSummary`
[INFO] [stderr]  --> src/stats.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type DrawSummary = (u8, u32);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `frequency`
[INFO] [stderr]  --> src/stats.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn frequency(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_overdue_numbers`
[INFO] [stderr]  --> src/stats.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn most_overdue_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_common_numbers`
[INFO] [stderr]   --> src/stats.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn most_common_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `least_often_picked_numbers`
[INFO] [stderr]   --> src/stats.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn least_often_picked_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_common_pair`
[INFO] [stderr]   --> src/stats.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn most_common_pair(draws: &Vec<Draw>) -> Vec<(u8,u8, u32)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_common_triplets`
[INFO] [stderr]   --> src/stats.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn most_common_triplets(draws: &Vec<Draw>) -> Vec<(u8, u8, u8, u32)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FrequencyStack`
[INFO] [stderr]  --> src/frequency_stack.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct FrequencyStack{
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push`
[INFO] [stderr]  --> src/frequency_stack.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn push(&self){
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]   --> src/frequency_stack.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn pop(&self){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "1a6f22d099c1b4148c3cdab342070d063bd75e4e1a81cdf0d0eaa76eb50e1c92"`
[INFO] running `"docker" "rm" "-f" "1a6f22d099c1b4148c3cdab342070d063bd75e4e1a81cdf0d0eaa76eb50e1c92"`
[INFO] [stdout] 1a6f22d099c1b4148c3cdab342070d063bd75e4e1a81cdf0d0eaa76eb50e1c92
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] d345ad5264170329b1ad58892d4411636bc74cc234f231c5cc18eaa31ffd378f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d345ad5264170329b1ad58892d4411636bc74cc234f231c5cc18eaa31ffd378f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let draws = load_csv(csv_path);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]  --> src/stats.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn frequency(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]  --> src/stats.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn most_overdue_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn most_common_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn least_often_picked_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn most_common_pair(draws: &Vec<Draw>) -> Vec<(u8,u8, u32)> {
[INFO] [stderr]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `draws`
[INFO] [stderr]   --> src/stats.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn most_common_triplets(draws: &Vec<Draw>) -> Vec<(u8, u8, u8, u32)> {
[INFO] [stderr]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `DrawSummary`
[INFO] [stderr]  --> src/stats.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type DrawSummary = (u8, u32);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `frequency`
[INFO] [stderr]  --> src/stats.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn frequency(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_overdue_numbers`
[INFO] [stderr]  --> src/stats.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn most_overdue_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_common_numbers`
[INFO] [stderr]   --> src/stats.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn most_common_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `least_often_picked_numbers`
[INFO] [stderr]   --> src/stats.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn least_often_picked_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_common_pair`
[INFO] [stderr]   --> src/stats.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn most_common_pair(draws: &Vec<Draw>) -> Vec<(u8,u8, u32)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `most_common_triplets`
[INFO] [stderr]   --> src/stats.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn most_common_triplets(draws: &Vec<Draw>) -> Vec<(u8, u8, u8, u32)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FrequencyStack`
[INFO] [stderr]  --> src/frequency_stack.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct FrequencyStack{
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push`
[INFO] [stderr]  --> src/frequency_stack.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn push(&self){
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]   --> src/frequency_stack.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn pop(&self){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lotto6-da3d2e374e46facc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test models::tests::test_load_csv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d345ad5264170329b1ad58892d4411636bc74cc234f231c5cc18eaa31ffd378f"`
[INFO] running `"docker" "rm" "-f" "d345ad5264170329b1ad58892d4411636bc74cc234f231c5cc18eaa31ffd378f"`
[INFO] [stdout] d345ad5264170329b1ad58892d4411636bc74cc234f231c5cc18eaa31ffd378f