[INFO] cloning repository https://github.com/ericgumba/Rust-Blackjack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericgumba/Rust-Blackjack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2FRust-Blackjack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2FRust-Blackjack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7341f58293e11255c9bafede8ee1f9f43fa5acd
[INFO] checking ericgumba/Rust-Blackjack against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2FRust-Blackjack" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericgumba/Rust-Blackjack on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericgumba/Rust-Blackjack
[INFO] finished tweaking git repo https://github.com/ericgumba/Rust-Blackjack
[INFO] tweaked toml for git repo https://github.com/ericgumba/Rust-Blackjack written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ericgumba/Rust-Blackjack 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" "+d12484522bcab8d07e325c6570f226a2faace3f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking ericgumba/Rust-Blackjack against try#d12484522bcab8d07e325c6570f226a2faace3f7 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericgumba%2FRust-Blackjack" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericgumba/Rust-Blackjack on toolchain d12484522bcab8d07e325c6570f226a2faace3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericgumba/Rust-Blackjack
[INFO] finished tweaking git repo https://github.com/ericgumba/Rust-Blackjack
[INFO] tweaked toml for git repo https://github.com/ericgumba/Rust-Blackjack written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ericgumba/Rust-Blackjack 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" "+d12484522bcab8d07e325c6570f226a2faace3f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbbb2c6f2fb9adea4791bff87c25cc9defe63edf3b9e01cd3e4c26a3842bdf68
[INFO] running `Command { std: "docker" "start" "-a" "dbbb2c6f2fb9adea4791bff87c25cc9defe63edf3b9e01cd3e4c26a3842bdf68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbbb2c6f2fb9adea4791bff87c25cc9defe63edf3b9e01cd3e4c26a3842bdf68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbbb2c6f2fb9adea4791bff87c25cc9defe63edf3b9e01cd3e4c26a3842bdf68", kill_on_drop: false }`
[INFO] [stdout] dbbb2c6f2fb9adea4791bff87c25cc9defe63edf3b9e01cd3e4c26a3842bdf68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d12484522bcab8d07e325c6570f226a2faace3f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a75268b64fd3504a6154547e04257b55d27bbd725ffeb173277648a1c3cc99d4
[INFO] running `Command { std: "docker" "start" "-a" "a75268b64fd3504a6154547e04257b55d27bbd725ffeb173277648a1c3cc99d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib/hand.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 0..amount {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/blackjack.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for i in 0..players {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hand`
[INFO] [stdout]   --> src/blackjack.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let hand = &self.player_hand[index];
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_hand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_deck` is never used
[INFO] [stdout]   --> src/lib/deck.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn print_deck(deck: &Deck) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]   --> src/lib/deck.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Deck {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value_to_string` is never used
[INFO] [stdout]  --> src/lib/card.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait ValueToString {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 2 |     fn value_to_string(&self) -> String;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lib/hand.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 0..amount {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/blackjack.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for i in 0..players {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hand`
[INFO] [stdout]   --> src/blackjack.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let hand = &self.player_hand[index];
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_hand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_deck` is never used
[INFO] [stdout]   --> src/lib/deck.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn print_deck(deck: &Deck) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `value_to_string` is never used
[INFO] [stdout]  --> src/lib/card.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait ValueToString {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 2 |     fn value_to_string(&self) -> String;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "a75268b64fd3504a6154547e04257b55d27bbd725ffeb173277648a1c3cc99d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75268b64fd3504a6154547e04257b55d27bbd725ffeb173277648a1c3cc99d4", kill_on_drop: false }`
[INFO] [stdout] a75268b64fd3504a6154547e04257b55d27bbd725ffeb173277648a1c3cc99d4