[INFO] cloning repository https://github.com/calebmeyer/war
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calebmeyer/war" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebmeyer%2Fwar"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebmeyer%2Fwar'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fd9de348d859400167c76291aac0fe208a84876
[INFO] checking calebmeyer/war against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebmeyer%2Fwar" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calebmeyer/war on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/calebmeyer/war
[INFO] finished tweaking git repo https://github.com/calebmeyer/war
[INFO] tweaked toml for git repo https://github.com/calebmeyer/war written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/calebmeyer/war already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 853a3fa9e647c588a059d520e4d300e30cc5c82cf4ecc66024d53b7ca8890e3f
[INFO] running `"docker" "start" "-a" "853a3fa9e647c588a059d520e4d300e30cc5c82cf4ecc66024d53b7ca8890e3f"`
[INFO] [stderr]     Checking war v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     for n in 1..=10 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cards`
[INFO] [stderr]   --> src/deck/mod.rs:43:28
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stderr]    |                            ^^^^^ help: consider prefixing with an underscore: `_cards`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other_deck`
[INFO] [stderr]   --> src/deck/mod.rs:43:46
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: consider prefixing with an underscore: `_other_deck`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut my_deck = deck.deal(26);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut your_deck = deck.deal(26);
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `give`
[INFO] [stderr]   --> src/deck/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `DiscardPile`
[INFO] [stderr]   --> src/deck/mod.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | type DiscardPile = Deck; // A discard pile is just a faceup deck
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     for n in 1..=10 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cards`
[INFO] [stderr]   --> src/deck/mod.rs:43:28
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stderr]    |                            ^^^^^ help: consider prefixing with an underscore: `_cards`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other_deck`
[INFO] [stderr]   --> src/deck/mod.rs:43:46
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stderr]    |                                              ^^^^^^^^^^ help: consider prefixing with an underscore: `_other_deck`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut my_deck = deck.deal(26);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut your_deck = deck.deal(26);
[INFO] [stderr]    |             ----^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `give`
[INFO] [stderr]   --> src/deck/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `DiscardPile`
[INFO] [stderr]   --> src/deck/mod.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | type DiscardPile = Deck; // A discard pile is just a faceup deck
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "853a3fa9e647c588a059d520e4d300e30cc5c82cf4ecc66024d53b7ca8890e3f"`
[INFO] running `"docker" "rm" "-f" "853a3fa9e647c588a059d520e4d300e30cc5c82cf4ecc66024d53b7ca8890e3f"`
[INFO] [stdout] 853a3fa9e647c588a059d520e4d300e30cc5c82cf4ecc66024d53b7ca8890e3f