[INFO] cloning repository https://github.com/silvanx/rust_replica [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/silvanx/rust_replica" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvanx%2Frust_replica", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvanx%2Frust_replica'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f306dc2b3be9131a865d065c5cf4e474eae18033 [INFO] checking silvanx/rust_replica against master#05eac57ef6668c9d181b65aceb96b1e7881f60be for pr-127656 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvanx%2Frust_replica" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/silvanx/rust_replica on toolchain 05eac57ef6668c9d181b65aceb96b1e7881f60be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/silvanx/rust_replica [INFO] finished tweaking git repo https://github.com/silvanx/rust_replica [INFO] tweaked toml for git repo https://github.com/silvanx/rust_replica written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/silvanx/rust_replica 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" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b934b935c0d739c008766f0b1a33c9385353712e5ff57d5b4b2f0d835d7b9b0d [INFO] running `Command { std: "docker" "start" "-a" "b934b935c0d739c008766f0b1a33c9385353712e5ff57d5b4b2f0d835d7b9b0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b934b935c0d739c008766f0b1a33c9385353712e5ff57d5b4b2f0d835d7b9b0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b934b935c0d739c008766f0b1a33c9385353712e5ff57d5b4b2f0d835d7b9b0d", kill_on_drop: false }` [INFO] [stdout] b934b935c0d739c008766f0b1a33c9385353712e5ff57d5b4b2f0d835d7b9b0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 536d6c76c0bcaa5d55d2421aab4e1b27ed773af81e3d26d9a5ee7028185a085d [INFO] running `Command { std: "docker" "start" "-a" "536d6c76c0bcaa5d55d2421aab4e1b27ed773af81e3d26d9a5ee7028185a085d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rust_replica v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/game.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/game.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/player.rs:45:37 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn collect_cards(&mut self, mut cards: Vec) { [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:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | let mut game = new_game.unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `initial_size` is never read [INFO] [stdout] --> src/deck.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 119 | pub struct Deck { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 120 | cards: Vec, [INFO] [stdout] 121 | initial_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `top` and `bottom` are never read [INFO] [stdout] --> src/game.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct CardPair { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 17 | pub top: DeckCard, [INFO] [stdout] | ^^^ [INFO] [stdout] 18 | pub bottom: DeckCard, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `players`, `revealed_cards`, and `dna` are never read [INFO] [stdout] --> src/game.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Game { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 22 | pub num_players: u8, [INFO] [stdout] 23 | pub players: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub revealed_cards: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 28 | pub dna: Vec, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/deck.rs:305:15 [INFO] [stdout] | [INFO] [stdout] 305 | while let card = deck1.draw(1).get(0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/player.rs:45:37 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn collect_cards(&mut self, mut cards: Vec) { [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:138:9 [INFO] [stdout] | [INFO] [stdout] 138 | let mut game = new_game.unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `initial_size` is never read [INFO] [stdout] --> src/deck.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 119 | pub struct Deck { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 120 | cards: Vec, [INFO] [stdout] 121 | initial_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `top` and `bottom` are never read [INFO] [stdout] --> src/game.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct CardPair { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 17 | pub top: DeckCard, [INFO] [stdout] | ^^^ [INFO] [stdout] 18 | pub bottom: DeckCard, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `revealed_cards` and `dna` are never read [INFO] [stdout] --> src/game.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Game { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 27 | pub revealed_cards: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 28 | pub dna: Vec, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "536d6c76c0bcaa5d55d2421aab4e1b27ed773af81e3d26d9a5ee7028185a085d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "536d6c76c0bcaa5d55d2421aab4e1b27ed773af81e3d26d9a5ee7028185a085d", kill_on_drop: false }` [INFO] [stdout] 536d6c76c0bcaa5d55d2421aab4e1b27ed773af81e3d26d9a5ee7028185a085d