[INFO] cloning repository https://github.com/jptree/degen-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jptree/degen-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjptree%2Fdegen-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjptree%2Fdegen-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90426be6f075de87cee85497778616b29a5005a7
[INFO] checking jptree/degen-rs against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjptree%2Fdegen-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jptree/degen-rs
[INFO] finished tweaking git repo https://github.com/jptree/degen-rs
[INFO] tweaked toml for git repo https://github.com/jptree/degen-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jptree/degen-rs on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jptree/degen-rs 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d0ce298f2a4eced7f5227356702379d6efe03778bc58ae77d9a0c785463a2cf8
[INFO] running `Command { std: "docker" "start" "d0ce298f2a4eced7f5227356702379d6efe03778bc58ae77d9a0c785463a2cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0ce298f2a4eced7f5227356702379d6efe03778bc58ae77d9a0c785463a2cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d0ce298f2a4eced7f5227356702379d6efe03778bc58ae77d9a0c785463a2cf8" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0ce298f2a4eced7f5227356702379d6efe03778bc58ae77d9a0c785463a2cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d0ce298f2a4eced7f5227356702379d6efe03778bc58ae77d9a0c785463a2cf8" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking degen-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Card {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Suit` is never used
[INFO] [stdout]   --> src/lib.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Suit {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Rank` is never used
[INFO] [stdout]   --> src/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Rank {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `visualize` is never used
[INFO] [stdout]   --> src/lib.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Card {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 34 |     fn visualize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Deck` is never constructed
[INFO] [stdout]  --> src/deck.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Deck {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `shuffle`, and `deal` are never used
[INFO] [stdout]   --> src/deck.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Deck {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(n_decks: u8, rng: ThreadRng) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn shuffle(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn deal(&mut self) -> Option<Card> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Card {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Suit` is never used
[INFO] [stdout]   --> src/lib.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Suit {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Rank` is never used
[INFO] [stdout]   --> src/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Rank {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `visualize` is never used
[INFO] [stdout]   --> src/lib.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Card {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 34 |     fn visualize(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Deck` is never constructed
[INFO] [stdout]  --> src/deck.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Deck {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `shuffle`, and `deal` are never used
[INFO] [stdout]   --> src/deck.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Deck {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(n_decks: u8, rng: ThreadRng) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn shuffle(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn deal(&mut self) -> Option<Card> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "d0ce298f2a4eced7f5227356702379d6efe03778bc58ae77d9a0c785463a2cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ce298f2a4eced7f5227356702379d6efe03778bc58ae77d9a0c785463a2cf8", kill_on_drop: false }`
[INFO] [stdout] d0ce298f2a4eced7f5227356702379d6efe03778bc58ae77d9a0c785463a2cf8
