[INFO] cloning repository https://github.com/glurbi/netris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glurbi/netris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglurbi%2Fnetris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglurbi%2Fnetris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06ffdaf4e9ad7cebe501f81f88cd07a70c7724cf
[INFO] checking glurbi/netris against master#b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 for pr-128351-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglurbi%2Fnetris" "/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/glurbi/netris on toolchain b389b0ab72cb0aa9acf4df0ae0c0e12090782da9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/glurbi/netris
[INFO] finished tweaking git repo https://github.com/glurbi/netris
[INFO] tweaked toml for git repo https://github.com/glurbi/netris written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 211 packages to latest compatible versions
[INFO] [stderr]       Adding actix v0.7.9 (latest: v0.13.5)
[INFO] [stderr]       Adding actix-web v0.7.19 (latest: v4.8.0)
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[INFO] [stderr]       Adding aes-soft v0.6.4 (latest: v0.99.99)
[INFO] [stderr]       Adding aesni v0.10.0 (latest: v0.99.99)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.3.0)
[INFO] [stderr]       Adding base64 v0.10.1 (latest: v0.22.1)
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[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding cipher v0.2.5 (latest: v0.4.4)
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[INFO] [stderr]       Adding cookie v0.11.5 (latest: v0.18.1)
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[INFO] [stderr]       Adding crossbeam-channel v0.3.9 (latest: v0.5.13)
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[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
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[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
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[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
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[INFO] [stderr]       Adding socket2 v0.3.19 (latest: v0.5.7)
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[INFO] [stderr]       Adding tokio v0.1.22 (latest: v1.39.2)
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[INFO] [stderr]       Adding trust-dns-proto v0.5.0 (latest: v0.23.2)
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[INFO] [stderr]       Adding universal-hash v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.2)
[INFO] [stderr]       Adding uuid v0.7.4 (latest: v1.10.0)
[INFO] [stderr]       Adding v_escape v0.7.4 (latest: v0.18.0)
[INFO] [stderr]       Adding v_escape_derive v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding v_htmlescape v0.4.5 (latest: v0.15.8)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.5)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] [stderr]       Adding widestring v0.2.2 (latest: v1.1.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding winreg v0.5.1 (latest: v0.52.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded crypto-mac v0.10.1
[INFO] [stderr]   Downloaded sha2 v0.9.9
[INFO] [stderr]   Downloaded unicode-xid v0.2.4
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
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[INFO] [stderr]   Downloaded num_cpus v1.16.0
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[INFO] [stderr]   Downloaded byteorder v1.5.0
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[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" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d1e10311abc9fa1707a22d5069b2a24013bfaadf34c4b57b0ce26892b2691cc
[INFO] running `Command { std: "docker" "start" "-a" "7d1e10311abc9fa1707a22d5069b2a24013bfaadf34c4b57b0ce26892b2691cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d1e10311abc9fa1707a22d5069b2a24013bfaadf34c4b57b0ce26892b2691cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1e10311abc9fa1707a22d5069b2a24013bfaadf34c4b57b0ce26892b2691cc", kill_on_drop: false }`
[INFO] [stdout] 7d1e10311abc9fa1707a22d5069b2a24013bfaadf34c4b57b0ce26892b2691cc
[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" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 640b5a69fc54860ed28fd3c654ca440493907abd125bcd0435a0d2b1551f9235
[INFO] running `Command { std: "docker" "start" "-a" "640b5a69fc54860ed28fd3c654ca440493907abd125bcd0435a0d2b1551f9235", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling cc v1.1.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]     Checking miniz_oxide v0.7.4
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[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/board.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::{ThreadRng,thread_rng};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/board.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::{ThreadRng,thread_rng};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/game.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn started(&mut self, ctx: &mut Self::Context) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/game.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn handle(&mut self, a: Action, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut game = Game::new(10, 20);
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[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 game = Game::new(10, 20);
[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: fields `score` and `blocks` are never read
[INFO] [stdout]   --> src/board.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Board {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     score: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     blocks: Vec<Block>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `spawn_block`, `spawn_random_block`, and `settle_block` are never used
[INFO] [stdout]    --> src/board.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 76  | impl Board {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn spawn_block(&mut self, block: Block) -> Result<(),()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn spawn_random_block(&mut self, rng: &mut ThreadRng) -> Result<(),()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn settle_block(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MoveLeft`, `MoveRight`, `MoveDown`, `Land`, `Rotate`, and `Stop` are never constructed
[INFO] [stdout]   --> src/game.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Action {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 7  |     MoveLeft,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 8  |     MoveRight,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 9  |     MoveDown,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     Land,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     Rotate,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     Stop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `GameId` is never used
[INFO] [stdout]  --> src/manager.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type GameId = Uuid;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Manager` is never constructed
[INFO] [stdout]  --> src/manager.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Manager {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `create_game` are never used
[INFO] [stdout]   --> src/manager.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Manager {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |     fn new() -> Manager {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn create_game(&mut self) -> Result<GameId, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/game.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn started(&mut self, ctx: &mut Self::Context) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/game.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn handle(&mut self, a: Action, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut game = Game::new(10, 20);
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[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 game = Game::new(10, 20);
[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: fields `score` and `blocks` are never read
[INFO] [stdout]   --> src/board.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Board {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     score: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     blocks: Vec<Block>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `spawn_random_block` is never used
[INFO] [stdout]    --> src/board.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 76  | impl Board {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn spawn_random_block(&mut self, rng: &mut ThreadRng) -> Result<(),()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MoveRight`, `MoveDown`, `Land`, and `Rotate` are never constructed
[INFO] [stdout]   --> src/game.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Action {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 7  |     MoveLeft,
[INFO] [stdout] 8  |     MoveRight,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 9  |     MoveDown,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     Land,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     Rotate,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `games` is never read
[INFO] [stdout]   --> src/manager.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Manager {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 10 |     games: HashMap<GameId, Rc<RefCell<Game>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "640b5a69fc54860ed28fd3c654ca440493907abd125bcd0435a0d2b1551f9235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640b5a69fc54860ed28fd3c654ca440493907abd125bcd0435a0d2b1551f9235", kill_on_drop: false }`
[INFO] [stdout] 640b5a69fc54860ed28fd3c654ca440493907abd125bcd0435a0d2b1551f9235
[INFO] checking glurbi/netris against try#16d823b1c168ce52c66ccc00dfd686f775a45c65 for pr-128351-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglurbi%2Fnetris" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/glurbi/netris on toolchain 16d823b1c168ce52c66ccc00dfd686f775a45c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/glurbi/netris
[INFO] finished tweaking git repo https://github.com/glurbi/netris
[INFO] tweaked toml for git repo https://github.com/glurbi/netris written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e29a939a6a2a656ebfd56ee92ac946dd4659f555150d02f5eceb9d8dd1f0f2b9
[INFO] running `Command { std: "docker" "start" "-a" "e29a939a6a2a656ebfd56ee92ac946dd4659f555150d02f5eceb9d8dd1f0f2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e29a939a6a2a656ebfd56ee92ac946dd4659f555150d02f5eceb9d8dd1f0f2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29a939a6a2a656ebfd56ee92ac946dd4659f555150d02f5eceb9d8dd1f0f2b9", kill_on_drop: false }`
[INFO] [stdout] e29a939a6a2a656ebfd56ee92ac946dd4659f555150d02f5eceb9d8dd1f0f2b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+16d823b1c168ce52c66ccc00dfd686f775a45c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11aa75879f022f81ebbd6dbd2c2cc437ceb215f482d674d8fbcc66b37d661e06
[INFO] running `Command { std: "docker" "start" "-a" "11aa75879f022f81ebbd6dbd2c2cc437ceb215f482d674d8fbcc66b37d661e06", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
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[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
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[INFO] [stderr]    Compiling actix_derive v0.3.2
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking regex v1.10.6
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[INFO] [stderr]     Checking netris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/board.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::{ThreadRng,thread_rng};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/board.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::{ThreadRng,thread_rng};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/game.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn started(&mut self, ctx: &mut Self::Context) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/game.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn handle(&mut self, a: Action, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut game = Game::new(10, 20);
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[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 game = Game::new(10, 20);
[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: fields `score` and `blocks` are never read
[INFO] [stdout]   --> src/board.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Board {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     score: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     blocks: Vec<Block>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `spawn_block`, `spawn_random_block`, and `settle_block` are never used
[INFO] [stdout]    --> src/board.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 76  | impl Board {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn spawn_block(&mut self, block: Block) -> Result<(),()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn spawn_random_block(&mut self, rng: &mut ThreadRng) -> Result<(),()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn settle_block(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MoveLeft`, `MoveRight`, `MoveDown`, `Land`, `Rotate`, and `Stop` are never constructed
[INFO] [stdout]   --> src/game.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Action {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 7  |     MoveLeft,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 8  |     MoveRight,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 9  |     MoveDown,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     Land,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     Rotate,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     Stop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `GameId` is never used
[INFO] [stdout]  --> src/manager.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type GameId = Uuid;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Manager` is never constructed
[INFO] [stdout]  --> src/manager.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Manager {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `create_game` are never used
[INFO] [stdout]   --> src/manager.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Manager {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |     fn new() -> Manager {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn create_game(&mut self) -> Result<GameId, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/game.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn started(&mut self, ctx: &mut Self::Context) {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/game.rs:35:37
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn handle(&mut self, a: Action, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut game = Game::new(10, 20);
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[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 game = Game::new(10, 20);
[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: fields `score` and `blocks` are never read
[INFO] [stdout]   --> src/board.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Board {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     score: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     blocks: Vec<Block>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `spawn_random_block` is never used
[INFO] [stdout]    --> src/board.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 76  | impl Board {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn spawn_random_block(&mut self, rng: &mut ThreadRng) -> Result<(),()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MoveRight`, `MoveDown`, `Land`, and `Rotate` are never constructed
[INFO] [stdout]   --> src/game.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Action {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 7  |     MoveLeft,
[INFO] [stdout] 8  |     MoveRight,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 9  |     MoveDown,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     Land,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     Rotate,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Action` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `games` is never read
[INFO] [stdout]   --> src/manager.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Manager {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 10 |     games: HashMap<GameId, Rc<RefCell<Game>>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "11aa75879f022f81ebbd6dbd2c2cc437ceb215f482d674d8fbcc66b37d661e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11aa75879f022f81ebbd6dbd2c2cc437ceb215f482d674d8fbcc66b37d661e06", kill_on_drop: false }`
[INFO] [stdout] 11aa75879f022f81ebbd6dbd2c2cc437ceb215f482d674d8fbcc66b37d661e06
