[INFO] cloning repository https://github.com/darrellp/rustbo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darrellp/rustbo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarrellp%2Frustbo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarrellp%2Frustbo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9f2c38c2523271842385ac3fac4aeb7fdd36b59
[INFO] checking darrellp/rustbo against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarrellp%2Frustbo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/darrellp/rustbo
[INFO] finished tweaking git repo https://github.com/darrellp/rustbo
[INFO] tweaked toml for git repo https://github.com/darrellp/rustbo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/darrellp/rustbo on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/darrellp/rustbo 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e325da801ef4048600e7512ee0fc49e054ccef905032c0f8c5c6ab308f2e8a19
[INFO] running `Command { std: "docker" "start" "-a" "e325da801ef4048600e7512ee0fc49e054ccef905032c0f8c5c6ab308f2e8a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e325da801ef4048600e7512ee0fc49e054ccef905032c0f8c5c6ab308f2e8a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e325da801ef4048600e7512ee0fc49e054ccef905032c0f8c5c6ab308f2e8a19", kill_on_drop: false }`
[INFO] [stdout] e325da801ef4048600e7512ee0fc49e054ccef905032c0f8c5c6ab308f2e8a19
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dab76ded4aef17c8ff0aa636db6f64b7c0b536f5f8572e8fc538d23bb7298195
[INFO] running `Command { std: "docker" "start" "-a" "dab76ded4aef17c8ff0aa636db6f64b7c0b536f5f8572e8fc538d23bb7298195", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.12
[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 rustbo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new` and `pop` are never used
[INFO] [stdout]   --> src/card_stack.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl CardStack {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn pop(&mut self) -> Option<Card> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Player` is never constructed
[INFO] [stdout]  --> src/player.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct Player {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deal` is never used
[INFO] [stdout]   --> src/player.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Player {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn deal(deck: &mut CardStack, player_count: usize, index: usize) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]  --> src/game.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct Game {
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `player_count` and `new` are never used
[INFO] [stdout]   --> src/game.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Game {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn player_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn new(player_count: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Card` is never used
[INFO] [stdout]  --> src/card.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Card {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CardStack` is never constructed
[INFO] [stdout]  --> src/card_stack.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) struct CardStack {
[INFO] [stdout]   |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_deck`, `new`, `len`, `pop`, `peek`, and `deal_off` are never used
[INFO] [stdout]   --> src/card_stack.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl CardStack {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 13 |     pub fn new_deck() -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn pop(&mut self) -> Option<Card> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn peek(&self) -> Option<Card> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn deal_off(&mut self, n: usize) -> CardStack {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Player` is never constructed
[INFO] [stdout]  --> src/player.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct Player {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `deal` is never used
[INFO] [stdout]   --> src/player.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Player {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn deal(deck: &mut CardStack, player_count: usize, index: usize) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]  --> src/game.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct Game {
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `player_count` and `new` are never used
[INFO] [stdout]   --> src/game.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Game {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn player_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn new(player_count: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "dab76ded4aef17c8ff0aa636db6f64b7c0b536f5f8572e8fc538d23bb7298195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab76ded4aef17c8ff0aa636db6f64b7c0b536f5f8572e8fc538d23bb7298195", kill_on_drop: false }`
[INFO] [stdout] dab76ded4aef17c8ff0aa636db6f64b7c0b536f5f8572e8fc538d23bb7298195