[INFO] cloning repository https://github.com/MuhammadGalimov/football_manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MuhammadGalimov/football_manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammadGalimov%2Ffootball_manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammadGalimov%2Ffootball_manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb8a09a803964c8f320a0817f6c0ef1fc8cff0fa
[INFO] checking MuhammadGalimov/football_manager against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMuhammadGalimov%2Ffootball_manager" "/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/MuhammadGalimov/football_manager on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MuhammadGalimov/football_manager
[INFO] finished tweaking git repo https://github.com/MuhammadGalimov/football_manager
[INFO] tweaked toml for git repo https://github.com/MuhammadGalimov/football_manager written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MuhammadGalimov/football_manager 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.136
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded signal-hook v0.3.13
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded crossterm v0.22.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded serde_json v1.0.78
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded parking_lot v0.11.2
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.112
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac2dcc1c12dab9df3c192fe1f727086aaa1651ab584e277a6ab64f6812a2b42a
[INFO] running `Command { std: "docker" "start" "-a" "ac2dcc1c12dab9df3c192fe1f727086aaa1651ab584e277a6ab64f6812a2b42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac2dcc1c12dab9df3c192fe1f727086aaa1651ab584e277a6ab64f6812a2b42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2dcc1c12dab9df3c192fe1f727086aaa1651ab584e277a6ab64f6812a2b42a", kill_on_drop: false }`
[INFO] [stdout] ac2dcc1c12dab9df3c192fe1f727086aaa1651ab584e277a6ab64f6812a2b42a
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26d975a7fb90457836fda3fdbfa26457ab4ad43828ce7683b296a558a0fd2a78
[INFO] running `Command { std: "docker" "start" "-a" "26d975a7fb90457836fda3fdbfa26457ab4ad43828ce7683b296a558a0fd2a78", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]     Checking fm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `EnterAlternateScreen`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         EnterAlternateScreen
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EnterAlternateScreen`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         EnterAlternateScreen
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tag` is never used
[INFO] [stdout]    --> src/engine.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl ButtonBuilder {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 259 |     pub fn tag(mut self, tag: (&str, &str)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_button` is never used
[INFO] [stdout]    --> src/engine.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 279 | pub trait ToButton {
[INFO] [stdout]     |           -------- method in this trait
[INFO] [stdout] 280 |     fn to_button(&self, jump: fn(&mut Env) -> Option<usize>) -> Button;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_str`, and `to_str` are never used
[INFO] [stdout]   --> src/player.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Player {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 25 |     fn new(name: String, position: Position, hand: Hand, cost: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn from_str(str: &str) -> Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn to_str(&self) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameEnv` is never constructed
[INFO] [stdout]  --> src/env.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct GameEnv {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `tag` is never used
[INFO] [stdout]    --> src/engine.rs:259:12
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl ButtonBuilder {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 259 |     pub fn tag(mut self, tag: (&str, &str)) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_button` is never used
[INFO] [stdout]    --> src/engine.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 279 | pub trait ToButton {
[INFO] [stdout]     |           -------- method in this trait
[INFO] [stdout] 280 |     fn to_button(&self, jump: fn(&mut Env) -> Option<usize>) -> Button;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_str`, and `to_str` are never used
[INFO] [stdout]   --> src/player.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Player {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 25 |     fn new(name: String, position: Position, hand: Hand, cost: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn from_str(str: &str) -> Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn to_str(&self) -> Result<String> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameEnv` is never constructed
[INFO] [stdout]  --> src/env.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct GameEnv {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/engine.rs:300:23
[INFO] [stdout]     |
[INFO] [stdout] 300 |         for (k, v) in h.iter().find(|item| item.0 == 5) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 300 |         while let Some((k, v)) = h.iter().find(|item| item.0 == 5) {
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~      ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 300 |         if let Some((k, v)) = h.iter().find(|item| item.0 == 5) {
[INFO] [stdout]     |         ~~~~~~~~~~~~      ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "26d975a7fb90457836fda3fdbfa26457ab4ad43828ce7683b296a558a0fd2a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d975a7fb90457836fda3fdbfa26457ab4ad43828ce7683b296a558a0fd2a78", kill_on_drop: false }`
[INFO] [stdout] 26d975a7fb90457836fda3fdbfa26457ab4ad43828ce7683b296a558a0fd2a78