[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] checking rgrativol/lotto6 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgrativol%2Flotto6" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rgrativol/lotto6 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-12/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7dc3c105d20ee5ffc18380c3fc4db957c56e9fb8009ecbda6efb38ce8f9a31d
[INFO] running `Command { std: "docker" "start" "-a" "d7dc3c105d20ee5ffc18380c3fc4db957c56e9fb8009ecbda6efb38ce8f9a31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7dc3c105d20ee5ffc18380c3fc4db957c56e9fb8009ecbda6efb38ce8f9a31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7dc3c105d20ee5ffc18380c3fc4db957c56e9fb8009ecbda6efb38ce8f9a31d", kill_on_drop: false }`
[INFO] [stdout] d7dc3c105d20ee5ffc18380c3fc4db957c56e9fb8009ecbda6efb38ce8f9a31d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c431c1748ae9d28089311f7ec3f0dbbbe7d7f6d3f753c5765d1883053d0d49f
[INFO] running `Command { std: "docker" "start" "-a" "5c431c1748ae9d28089311f7ec3f0dbbbe7d7f6d3f753c5765d1883053d0d49f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking lotto6 v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/stats.rs (6 fixes)
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[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]   = note: `#[warn(dead_code)]` on by default
[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: 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]   = note: `#[warn(dead_code)]` on by default
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking lotto6 v0.1.0 (/tmp/fixit)
[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]   = note: `#[warn(dead_code)]` on by default
[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: 10 warnings emitted
[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]   = note: `#[warn(dead_code)]` on by default
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "5c431c1748ae9d28089311f7ec3f0dbbbe7d7f6d3f753c5765d1883053d0d49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c431c1748ae9d28089311f7ec3f0dbbbe7d7f6d3f753c5765d1883053d0d49f", kill_on_drop: false }`
[INFO] [stdout] 5c431c1748ae9d28089311f7ec3f0dbbbe7d7f6d3f753c5765d1883053d0d49f