[INFO] updating cached repository nagmak/bridge-cards
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nagmak/bridge-cards
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nagmak/bridge-cards" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/nagmak/bridge-cards"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/nagmak/bridge-cards'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nagmak/bridge-cards" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/nagmak/bridge-cards"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/nagmak/bridge-cards'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cbaaa447d11a888bb46986599d6a909cd2d875ca
[INFO] sha for GitHub repo nagmak/bridge-cards: cbaaa447d11a888bb46986599d6a909cd2d875ca
[INFO] validating manifest of nagmak/bridge-cards on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nagmak/bridge-cards on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nagmak/bridge-cards
[INFO] finished frobbing nagmak/bridge-cards
[INFO] frobbed toml for nagmak/bridge-cards written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/nagmak/bridge-cards/Cargo.toml
[INFO] started frobbing nagmak/bridge-cards
[INFO] finished frobbing nagmak/bridge-cards
[INFO] frobbed toml for nagmak/bridge-cards written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/nagmak/bridge-cards/Cargo.toml
[INFO] crate nagmak/bridge-cards already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nagmak/bridge-cards against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/nagmak/bridge-cards:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66f224d0ed6c00be0b96e219ae8aa0a23dafaeb8426cf2098beeb87866a5378e
[INFO] running `"docker" "start" "-a" "66f224d0ed6c00be0b96e219ae8aa0a23dafaeb8426cf2098beeb87866a5378e"`
[INFO] [stderr]     Checking bridge_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/bridge.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/bridge.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/bridge.rs:82:7
[INFO] [stderr]    |
[INFO] [stderr] 82 |         for x in 0..deck.len() {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut bridge = Game::new();
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Board`
[INFO] [stderr]   --> src/bridge.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | type Board = Vec<Vec<String>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/bridge.rs:82:7
[INFO] [stderr]    |
[INFO] [stderr] 82 |         for x in 0..deck.len() {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut bridge = Game::new();
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Player`
[INFO] [stderr]   --> src/bridge.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum Player {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Suit`
[INFO] [stderr]   --> src/bridge.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub enum Suit {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Rank`
[INFO] [stderr]   --> src/bridge.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub enum Rank {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Card`
[INFO] [stderr]   --> src/bridge.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub struct Card {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `board`
[INFO] [stderr]   --> src/bridge.rs:62:2
[INFO] [stderr]    |
[INFO] [stderr] 62 |     board: Test
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Board`
[INFO] [stderr]   --> src/bridge.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | type Board = Vec<Vec<String>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Player`
[INFO] [stderr]   --> src/bridge.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum Player {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Suit`
[INFO] [stderr]   --> src/bridge.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub enum Suit {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Rank`
[INFO] [stderr]   --> src/bridge.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub enum Rank {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Card`
[INFO] [stderr]   --> src/bridge.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub struct Card {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `board`
[INFO] [stderr]   --> src/bridge.rs:62:2
[INFO] [stderr]    |
[INFO] [stderr] 62 |     board: Test
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "66f224d0ed6c00be0b96e219ae8aa0a23dafaeb8426cf2098beeb87866a5378e"`
[INFO] running `"docker" "rm" "-f" "66f224d0ed6c00be0b96e219ae8aa0a23dafaeb8426cf2098beeb87866a5378e"`
[INFO] [stdout] 66f224d0ed6c00be0b96e219ae8aa0a23dafaeb8426cf2098beeb87866a5378e