[INFO] cloning repository https://github.com/rgrativol/lotto6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rgrativol/lotto6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgrativol%2Flotto6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgrativol%2Flotto6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cf9ca4ab5aff21d0c62abfae4dde01b617cc309
[INFO] testing rgrativol/lotto6 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%2Frgrativol%2Flotto6" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rgrativol/lotto6 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/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-44/source/Cargo.toml
[INFO] crate git repo https://github.com/rgrativol/lotto6 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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] cc550246268f77c5e5d25ce664a4f6b77e7ea1f3b4d45c855fe0e0b3ec0a552f
[INFO] running `Command { std: "docker" "start" "-a" "cc550246268f77c5e5d25ce664a4f6b77e7ea1f3b4d45c855fe0e0b3ec0a552f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc550246268f77c5e5d25ce664a4f6b77e7ea1f3b4d45c855fe0e0b3ec0a552f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc550246268f77c5e5d25ce664a4f6b77e7ea1f3b4d45c855fe0e0b3ec0a552f", kill_on_drop: false }`
[INFO] [stdout] cc550246268f77c5e5d25ce664a4f6b77e7ea1f3b4d45c855fe0e0b3ec0a552f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] fed8bb5662b989757ae960f6306613c64f0e151ee2625a082b72b7fa164fb53f
[INFO] running `Command { std: "docker" "start" "-a" "fed8bb5662b989757ae960f6306613c64f0e151ee2625a082b72b7fa164fb53f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lotto6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let draws = load_csv(csv_path);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]  --> src/stats.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn frequency(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]  --> src/stats.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn most_overdue_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]   |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]   --> src/stats.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn most_common_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]   --> src/stats.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn least_often_picked_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]   --> src/stats.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn most_common_pair(draws: &Vec<Draw>) -> Vec<(u8,u8, u32)> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]   --> src/stats.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn most_common_triplets(draws: &Vec<Draw>) -> Vec<(u8, u8, u8, u32)> {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_bonus`
[INFO] [stdout]   --> src/models.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     n_bonus: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Draw` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/models.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DrawSummary`
[INFO] [stdout]  --> src/stats.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | type DrawSummary = (u8, u32);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `frequency`
[INFO] [stdout]  --> src/stats.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn frequency(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `most_overdue_numbers`
[INFO] [stdout]  --> src/stats.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn most_overdue_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `most_common_numbers`
[INFO] [stdout]   --> src/stats.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn most_common_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `least_often_picked_numbers`
[INFO] [stdout]   --> src/stats.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn least_often_picked_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `most_common_pair`
[INFO] [stdout]   --> src/stats.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn most_common_pair(draws: &Vec<Draw>) -> Vec<(u8,u8, u32)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `most_common_triplets`
[INFO] [stdout]   --> src/stats.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn most_common_triplets(draws: &Vec<Draw>) -> Vec<(u8, u8, u8, u32)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FrequencyStack`
[INFO] [stdout]  --> src/frequency_stack.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct FrequencyStack{
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]  --> src/frequency_stack.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn push(&self){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/frequency_stack.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn pop(&self){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `Command { std: "docker" "inspect" "fed8bb5662b989757ae960f6306613c64f0e151ee2625a082b72b7fa164fb53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed8bb5662b989757ae960f6306613c64f0e151ee2625a082b72b7fa164fb53f", kill_on_drop: false }`
[INFO] [stdout] fed8bb5662b989757ae960f6306613c64f0e151ee2625a082b72b7fa164fb53f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] ce32b3979faa610aa49365708193b61dc6d32886bfe5dfd91731bcc8a2462194
[INFO] running `Command { std: "docker" "start" "-a" "ce32b3979faa610aa49365708193b61dc6d32886bfe5dfd91731bcc8a2462194", kill_on_drop: false }`
[INFO] [stderr]    Compiling lotto6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let draws = load_csv(csv_path);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]  --> src/stats.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn frequency(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]  --> src/stats.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn most_overdue_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]   |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]   --> src/stats.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn most_common_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]   --> src/stats.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn least_often_picked_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]   --> src/stats.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn most_common_pair(draws: &Vec<Draw>) -> Vec<(u8,u8, u32)> {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `draws`
[INFO] [stdout]   --> src/stats.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn most_common_triplets(draws: &Vec<Draw>) -> Vec<(u8, u8, u8, u32)> {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_draws`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_bonus`
[INFO] [stdout]   --> src/models.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     n_bonus: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Draw` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/models.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DrawSummary`
[INFO] [stdout]  --> src/stats.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | type DrawSummary = (u8, u32);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `frequency`
[INFO] [stdout]  --> src/stats.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn frequency(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `most_overdue_numbers`
[INFO] [stdout]  --> src/stats.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn most_overdue_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `most_common_numbers`
[INFO] [stdout]   --> src/stats.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn most_common_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `least_often_picked_numbers`
[INFO] [stdout]   --> src/stats.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn least_often_picked_numbers(draws: &Vec<Draw>) -> Vec<DrawSummary> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `most_common_pair`
[INFO] [stdout]   --> src/stats.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn most_common_pair(draws: &Vec<Draw>) -> Vec<(u8,u8, u32)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `most_common_triplets`
[INFO] [stdout]   --> src/stats.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn most_common_triplets(draws: &Vec<Draw>) -> Vec<(u8, u8, u8, u32)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FrequencyStack`
[INFO] [stdout]  --> src/frequency_stack.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct FrequencyStack{
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]  --> src/frequency_stack.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn push(&self){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/frequency_stack.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn pop(&self){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/lotto6-4da4cef8546d4fcf)
[INFO] running `Command { std: "docker" "inspect" "ce32b3979faa610aa49365708193b61dc6d32886bfe5dfd91731bcc8a2462194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce32b3979faa610aa49365708193b61dc6d32886bfe5dfd91731bcc8a2462194", kill_on_drop: false }`
[INFO] [stdout] ce32b3979faa610aa49365708193b61dc6d32886bfe5dfd91731bcc8a2462194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 3dc7069b22b6348a0c51f6ef48e35dbddd65beb6a7155061b8f60d6e030a7904
[INFO] running `Command { std: "docker" "start" "-a" "3dc7069b22b6348a0c51f6ef48e35dbddd65beb6a7155061b8f60d6e030a7904", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: field is never read: `n_bonus`
[INFO] [stderr]   --> src/models.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     n_bonus: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Draw` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/models.rs:6:10
[INFO] [stderr]    |
[INFO] [stderr] 6  | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] 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: `lotto6` (bin "lotto6" test) generated 18 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lotto6-4da4cef8546d4fcf)
[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; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3dc7069b22b6348a0c51f6ef48e35dbddd65beb6a7155061b8f60d6e030a7904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc7069b22b6348a0c51f6ef48e35dbddd65beb6a7155061b8f60d6e030a7904", kill_on_drop: false }`
[INFO] [stdout] 3dc7069b22b6348a0c51f6ef48e35dbddd65beb6a7155061b8f60d6e030a7904