[INFO] updating cached repository ickshonpe/elo_tournament_simulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ickshonpe/elo_tournament_simulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ickshonpe/elo_tournament_simulator" "work/ex/clippy-test-run/sources/stable/gh/ickshonpe/elo_tournament_simulator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ickshonpe/elo_tournament_simulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ickshonpe/elo_tournament_simulator" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ickshonpe/elo_tournament_simulator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ickshonpe/elo_tournament_simulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2573e33d62322aef50e6b38b98ee9c989dbfbd66
[INFO] sha for GitHub repo ickshonpe/elo_tournament_simulator: 2573e33d62322aef50e6b38b98ee9c989dbfbd66
[INFO] validating manifest of ickshonpe/elo_tournament_simulator on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ickshonpe/elo_tournament_simulator on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ickshonpe/elo_tournament_simulator
[INFO] finished frobbing ickshonpe/elo_tournament_simulator
[INFO] frobbed toml for ickshonpe/elo_tournament_simulator written to work/ex/clippy-test-run/sources/stable/gh/ickshonpe/elo_tournament_simulator/Cargo.toml
[INFO] started frobbing ickshonpe/elo_tournament_simulator
[INFO] finished frobbing ickshonpe/elo_tournament_simulator
[INFO] frobbed toml for ickshonpe/elo_tournament_simulator written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ickshonpe/elo_tournament_simulator/Cargo.toml
[INFO] crate ickshonpe/elo_tournament_simulator has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting ickshonpe/elo_tournament_simulator against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/ickshonpe/elo_tournament_simulator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 662f4e19aa9eab9958ed864e439b990d90ec726b1255227665dd073c10c124bc
[INFO] running `"docker" "start" "-a" "662f4e19aa9eab9958ed864e439b990d90ec726b1255227665dd073c10c124bc"`
[INFO] [stderr]     Checking serde_yaml v0.7.1
[INFO] [stderr]     Checking ELO_Tournament_Simulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let c = rand::thread_rng().next_f64();
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let c = rand::thread_rng().next_f64();
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/tournament_data.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/tournament_data.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/player.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(name: &str, elo: i64, seeding: i64) -> Player {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ELO_Tournament_Simulator` should have a snake case name such as `elo_tournament_simulator`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `group_standings`.
[INFO] [stderr]   --> src/main.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |         for i in 0..group.len() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 66 |         for <item> in group_standings.iter().take(group.len()) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:165:23
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let mut players = players.clone().to_vec();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let mut players = &(*players).clone().to_vec();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let mut players = &[player::Player]::clone(players).to_vec();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ELO_Tournament_Simulator`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/player.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(name: &str, elo: i64, seeding: i64) -> Player {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ELO_Tournament_Simulator` should have a snake case name such as `elo_tournament_simulator`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `group_standings`.
[INFO] [stderr]   --> src/main.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |         for i in 0..group.len() {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 66 |         for <item> in group_standings.iter().take(group.len()) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:165:23
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let mut players = players.clone().to_vec();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let mut players = &(*players).clone().to_vec();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let mut players = &[player::Player]::clone(players).to_vec();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ELO_Tournament_Simulator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "662f4e19aa9eab9958ed864e439b990d90ec726b1255227665dd073c10c124bc"`
[INFO] running `"docker" "rm" "-f" "662f4e19aa9eab9958ed864e439b990d90ec726b1255227665dd073c10c124bc"`
[INFO] [stdout] 662f4e19aa9eab9958ed864e439b990d90ec726b1255227665dd073c10c124bc