[INFO] cloning repository https://github.com/Percifval/Rust-Holdem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Percifval/Rust-Holdem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPercifval%2FRust-Holdem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPercifval%2FRust-Holdem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34325c63a388f402cba84f568b9a7c2366c71d36
[INFO] building Percifval/Rust-Holdem against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPercifval%2FRust-Holdem" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Percifval/Rust-Holdem on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Percifval/Rust-Holdem
[INFO] finished tweaking git repo https://github.com/Percifval/Rust-Holdem
[INFO] tweaked toml for git repo https://github.com/Percifval/Rust-Holdem written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Percifval/Rust-Holdem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3801c1fb79766d005a55f149196aaeb41fbb34fc19beb26a4b68802eff383cf0
[INFO] running `Command { std: "docker" "start" "-a" "3801c1fb79766d005a55f149196aaeb41fbb34fc19beb26a4b68802eff383cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3801c1fb79766d005a55f149196aaeb41fbb34fc19beb26a4b68802eff383cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3801c1fb79766d005a55f149196aaeb41fbb34fc19beb26a4b68802eff383cf0", kill_on_drop: false }`
[INFO] [stdout] 3801c1fb79766d005a55f149196aaeb41fbb34fc19beb26a4b68802eff383cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6ea71ab40208e88d81f1735803c1ab91a4d473fb7179dd523e00c9c0296a061
[INFO] running `Command { std: "docker" "start" "-a" "b6ea71ab40208e88d81f1735803c1ab91a4d473fb7179dd523e00c9c0296a061", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling poker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cards`
[INFO] [stdout]    --> src/main.rs:185:29
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn check_straight_flush(cards: &Vec<Card>) -> bool {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cards`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]    --> src/main.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let pair = 1;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |     for i in 0..7 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `card_string` is never used
[INFO] [stdout]   --> src/main.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Card {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn card_string(card_struct: &Card) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | enum GameResult {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 87 |     RoyalFlush,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 88 |     StraightFlush,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 89 |     FourOfAKind,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 90 |     FullHouse,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 91 |     Flush,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 92 |     Straight,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 93 |     ThreeOfAKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 94 |     TwoPair,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 95 |     Pair,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 96 |     HighCard,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/main.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 99  | impl GameResult {
[INFO] [stdout]     | --------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn check_straight_flush(cards: &Vec<Card>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     fn check_four_of_a_kind(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn check_full_house(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn check_flush(suits: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 253 |     fn check_straight(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 284 |     fn check_three_of_a_kind(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     fn check_two_pair(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     fn check_pair(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "b6ea71ab40208e88d81f1735803c1ab91a4d473fb7179dd523e00c9c0296a061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ea71ab40208e88d81f1735803c1ab91a4d473fb7179dd523e00c9c0296a061", kill_on_drop: false }`
[INFO] [stdout] b6ea71ab40208e88d81f1735803c1ab91a4d473fb7179dd523e00c9c0296a061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14e1b3c1f2a84012c6457f2abefa31f73195fd3be800b1fb7975b66fbb58d0e7
[INFO] running `Command { std: "docker" "start" "-a" "14e1b3c1f2a84012c6457f2abefa31f73195fd3be800b1fb7975b66fbb58d0e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling poker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cards`
[INFO] [stdout]    --> src/main.rs:185:29
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn check_straight_flush(cards: &Vec<Card>) -> bool {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cards`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]    --> src/main.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let pair = 1;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |     for i in 0..7 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `card_string` is never used
[INFO] [stdout]   --> src/main.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Card {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn card_string(card_struct: &Card) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | enum GameResult {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 87 |     RoyalFlush,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 88 |     StraightFlush,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 89 |     FourOfAKind,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 90 |     FullHouse,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 91 |     Flush,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 92 |     Straight,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 93 |     ThreeOfAKind,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 94 |     TwoPair,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 95 |     Pair,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 96 |     HighCard,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/main.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 99  | impl GameResult {
[INFO] [stdout]     | --------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn check_straight_flush(cards: &Vec<Card>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     fn check_four_of_a_kind(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn check_full_house(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn check_flush(suits: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 253 |     fn check_straight(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 284 |     fn check_three_of_a_kind(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     fn check_two_pair(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     fn check_pair(cards: &Vec<u8>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "14e1b3c1f2a84012c6457f2abefa31f73195fd3be800b1fb7975b66fbb58d0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e1b3c1f2a84012c6457f2abefa31f73195fd3be800b1fb7975b66fbb58d0e7", kill_on_drop: false }`
[INFO] [stdout] 14e1b3c1f2a84012c6457f2abefa31f73195fd3be800b1fb7975b66fbb58d0e7