[INFO] updating cached repository https://github.com/calebmeyer/war
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fd9de348d859400167c76291aac0fe208a84876
[INFO] checking calebmeyer/war against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalebmeyer%2Fwar" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/calebmeyer/war on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/calebmeyer/war already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d7bfbe4fef174a06afdc593bb406004237c9de13828a088d9a677002ce127da9
[INFO] running `Command { std: "docker" "start" "-a" "d7bfbe4fef174a06afdc593bb406004237c9de13828a088d9a677002ce127da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7bfbe4fef174a06afdc593bb406004237c9de13828a088d9a677002ce127da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bfbe4fef174a06afdc593bb406004237c9de13828a088d9a677002ce127da9", kill_on_drop: false }`
[INFO] [stdout] d7bfbe4fef174a06afdc593bb406004237c9de13828a088d9a677002ce127da9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3285416a6a6ea0f27a6e6c4d8b5283c5ebfac0130ff6c4ef29f4fd1f09f0ede6
[INFO] running `Command { std: "docker" "start" "-a" "3285416a6a6ea0f27a6e6c4d8b5283c5ebfac0130ff6c4ef29f4fd1f09f0ede6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking war v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     for n in 1..=10 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cards`
[INFO] [stdout]   --> src/deck/mod.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_cards`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_deck`
[INFO] [stdout]   --> src/deck/mod.rs:43:46
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_deck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut my_deck = deck.deal(26);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut your_deck = deck.deal(26);
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `give`
[INFO] [stdout]   --> src/deck/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DiscardPile`
[INFO] [stdout]   --> src/deck/mod.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | type DiscardPile = Deck; // A discard pile is just a faceup deck
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     for n in 1..=10 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cards`
[INFO] [stdout]   --> src/deck/mod.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_cards`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_deck`
[INFO] [stdout]   --> src/deck/mod.rs:43:46
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_deck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut my_deck = deck.deal(26);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut your_deck = deck.deal(26);
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `give`
[INFO] [stdout]   --> src/deck/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn give(&mut self, cards: Vec<Card>, other_deck: &mut Deck) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DiscardPile`
[INFO] [stdout]   --> src/deck/mod.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | type DiscardPile = Deck; // A discard pile is just a faceup deck
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "3285416a6a6ea0f27a6e6c4d8b5283c5ebfac0130ff6c4ef29f4fd1f09f0ede6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3285416a6a6ea0f27a6e6c4d8b5283c5ebfac0130ff6c4ef29f4fd1f09f0ede6", kill_on_drop: false }`
[INFO] [stdout] 3285416a6a6ea0f27a6e6c4d8b5283c5ebfac0130ff6c4ef29f4fd1f09f0ede6