[INFO] cloning repository https://github.com/BudiNverse/cabo.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BudiNverse/cabo.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBudiNverse%2Fcabo.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBudiNverse%2Fcabo.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e364a118c90a40f7020c1aff70749a37d9908181
[INFO] checking BudiNverse/cabo.rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBudiNverse%2Fcabo.rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BudiNverse/cabo.rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BudiNverse/cabo.rs
[INFO] finished tweaking git repo https://github.com/BudiNverse/cabo.rs
[INFO] tweaked toml for git repo https://github.com/BudiNverse/cabo.rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/BudiNverse/cabo.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bea592466c7086baf580ce4cd4b6693a5ebe43c12b02c00c8da9e4eda628049
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9bea592466c7086baf580ce4cd4b6693a5ebe43c12b02c00c8da9e4eda628049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bea592466c7086baf580ce4cd4b6693a5ebe43c12b02c00c8da9e4eda628049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bea592466c7086baf580ce4cd4b6693a5ebe43c12b02c00c8da9e4eda628049", kill_on_drop: false }`
[INFO] [stdout] 9bea592466c7086baf580ce4cd4b6693a5ebe43c12b02c00c8da9e4eda628049
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9abf21bacba3bdb10a012e9747b51a1751c8e5554b0b4af0f1b214a18d25ad2d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9abf21bacba3bdb10a012e9747b51a1751c8e5554b0b4af0f1b214a18d25ad2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking cabo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num_derive`
[INFO] [stdout]  --> src/models/card.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_derive;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deck`
[INFO] [stdout]  --> src/main.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::models::game::{Deck, Game};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_derive`
[INFO] [stdout]  --> src/models/card.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_derive;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deck`
[INFO] [stdout]  --> src/main.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::models::game::{Deck, Game};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/models/game.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(r) => (),
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/models/game.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         Ok(r) => (),
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/models/card.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(value: Value, suit: Suit) -> CardValue {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/models/card.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(value: Option<CardValue>, position: CardPosition) -> Card {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ended`
[INFO] [stdout]   --> src/models/game.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Ended,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_ended`
[INFO] [stdout]   --> src/models/game.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn has_ended() {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Init`
[INFO] [stdout]  --> src/models/message.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Init {},
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SelfDraw`
[INFO] [stdout]  --> src/models/message.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     SelfDraw,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SelfPeek`
[INFO] [stdout]  --> src/models/message.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     SelfPeek,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Place`
[INFO] [stdout]  --> src/models/message.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Place,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Swap`
[INFO] [stdout]  --> src/models/message.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Swap,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kill`
[INFO] [stdout]  --> src/models/message.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Kill,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OtherDraw`
[INFO] [stdout]  --> src/models/message.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     OtherDraw,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OtherPeek`
[INFO] [stdout]   --> src/models/message.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     OtherPeek,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Turn`
[INFO] [stdout]   --> src/models/message.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Turn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `End`
[INFO] [stdout]   --> src/models/message.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/models/card.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(value: Value, suit: Suit) -> CardValue {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/models/card.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(value: Option<CardValue>, position: CardPosition) -> Card {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ended`
[INFO] [stdout]   --> src/models/game.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Ended,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_ended`
[INFO] [stdout]   --> src/models/game.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn has_ended() {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Init`
[INFO] [stdout]  --> src/models/message.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Init {},
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SelfDraw`
[INFO] [stdout]  --> src/models/message.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     SelfDraw,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SelfPeek`
[INFO] [stdout]  --> src/models/message.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     SelfPeek,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Place`
[INFO] [stdout]  --> src/models/message.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Place,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Swap`
[INFO] [stdout]  --> src/models/message.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Swap,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kill`
[INFO] [stdout]  --> src/models/message.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Kill,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OtherDraw`
[INFO] [stdout]  --> src/models/message.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     OtherDraw,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OtherPeek`
[INFO] [stdout]   --> src/models/message.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     OtherPeek,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Turn`
[INFO] [stdout]   --> src/models/message.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Turn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `End`
[INFO] [stdout]   --> src/models/message.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/models/card.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         fmt.write_str(format!("{:?} {:?}", self.value, self.suit).as_str());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/models/card.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         fmt.write_str(format!("{:?} {:?}", self.value, self.suit).as_str());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.04s
[INFO] running `Command { std: "docker" "inspect" "9abf21bacba3bdb10a012e9747b51a1751c8e5554b0b4af0f1b214a18d25ad2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9abf21bacba3bdb10a012e9747b51a1751c8e5554b0b4af0f1b214a18d25ad2d", kill_on_drop: false }`
[INFO] [stdout] 9abf21bacba3bdb10a012e9747b51a1751c8e5554b0b4af0f1b214a18d25ad2d