[INFO] cloning repository https://github.com/nagmak/bridge-cards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nagmak/bridge-cards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagmak%2Fbridge-cards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagmak%2Fbridge-cards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbaaa447d11a888bb46986599d6a909cd2d875ca
[INFO] testing nagmak/bridge-cards against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagmak%2Fbridge-cards" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nagmak/bridge-cards on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nagmak/bridge-cards
[INFO] finished tweaking git repo https://github.com/nagmak/bridge-cards
[INFO] tweaked toml for git repo https://github.com/nagmak/bridge-cards written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/nagmak/bridge-cards already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99e7e18780345952e2bf097d3104db439ef728bfe0479a77605472c43972f4e1
[INFO] running `Command { std: "docker" "start" "-a" "99e7e18780345952e2bf097d3104db439ef728bfe0479a77605472c43972f4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99e7e18780345952e2bf097d3104db439ef728bfe0479a77605472c43972f4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e7e18780345952e2bf097d3104db439ef728bfe0479a77605472c43972f4e1", kill_on_drop: false }`
[INFO] [stdout] 99e7e18780345952e2bf097d3104db439ef728bfe0479a77605472c43972f4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cd01415e10a012f08088e8b2ecbc68e4e6df51b7ab33d6c897b8d2479baedb0
[INFO] running `Command { std: "docker" "start" "-a" "1cd01415e10a012f08088e8b2ecbc68e4e6df51b7ab33d6c897b8d2479baedb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling bridge_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/bridge.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bridge.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 |         for x in 0..deck.len() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut bridge = Game::new();
[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: type alias is never used: `Board`
[INFO] [stdout]   --> src/bridge.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Board = Vec<Vec<String>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Player`
[INFO] [stdout]   --> src/bridge.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Player {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Suit`
[INFO] [stdout]   --> src/bridge.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum Suit {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Rank`
[INFO] [stdout]   --> src/bridge.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum Rank {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Card`
[INFO] [stdout]   --> src/bridge.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Card {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `board`
[INFO] [stdout]   --> src/bridge.rs:62:2
[INFO] [stdout]    |
[INFO] [stdout] 62 |     board: Test
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1cd01415e10a012f08088e8b2ecbc68e4e6df51b7ab33d6c897b8d2479baedb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd01415e10a012f08088e8b2ecbc68e4e6df51b7ab33d6c897b8d2479baedb0", kill_on_drop: false }`
[INFO] [stdout] 1cd01415e10a012f08088e8b2ecbc68e4e6df51b7ab33d6c897b8d2479baedb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 155c5e4aade2d4f979510ece26926c2a3af20e457b6340667caf06d733f2d409
[INFO] running `Command { std: "docker" "start" "-a" "155c5e4aade2d4f979510ece26926c2a3af20e457b6340667caf06d733f2d409", kill_on_drop: false }`
[INFO] [stderr]    Compiling bridge_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/bridge.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bridge.rs:82:7
[INFO] [stdout]    |
[INFO] [stdout] 82 |         for x in 0..deck.len() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut bridge = Game::new();
[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: type alias is never used: `Board`
[INFO] [stdout]   --> src/bridge.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Board = Vec<Vec<String>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Player`
[INFO] [stdout]   --> src/bridge.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Player {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Suit`
[INFO] [stdout]   --> src/bridge.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum Suit {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Rank`
[INFO] [stdout]   --> src/bridge.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum Rank {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Card`
[INFO] [stdout]   --> src/bridge.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Card {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `board`
[INFO] [stdout]   --> src/bridge.rs:62:2
[INFO] [stdout]    |
[INFO] [stdout] 62 |     board: Test
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "155c5e4aade2d4f979510ece26926c2a3af20e457b6340667caf06d733f2d409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155c5e4aade2d4f979510ece26926c2a3af20e457b6340667caf06d733f2d409", kill_on_drop: false }`
[INFO] [stdout] 155c5e4aade2d4f979510ece26926c2a3af20e457b6340667caf06d733f2d409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de94171ade885bdc5a656f0d4feafa812e1d111deef2b5d255afa9c77efc90b5
[INFO] running `Command { std: "docker" "start" "-a" "de94171ade885bdc5a656f0d4feafa812e1d111deef2b5d255afa9c77efc90b5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/bridge.rs:1:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use std::io;
[INFO] [stdout] 
[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: if this is intentional, prefix it 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]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Player`
[INFO] [stderr]   --> src/bridge.rs:26:10
[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:33:10
[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:40:10
[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:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub struct Card {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `board`
[INFO] [stderr]   --> src/bridge.rs:62:2
[INFO] [stderr]    |
[INFO] [stderr] 62 |     board: Test
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bridge_game-9a539f25a796b082)
[INFO] running `Command { std: "docker" "inspect" "de94171ade885bdc5a656f0d4feafa812e1d111deef2b5d255afa9c77efc90b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de94171ade885bdc5a656f0d4feafa812e1d111deef2b5d255afa9c77efc90b5", kill_on_drop: false }`
[INFO] [stdout] de94171ade885bdc5a656f0d4feafa812e1d111deef2b5d255afa9c77efc90b5