[INFO] cloning repository https://github.com/SuperCoolGuy855/match_three_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuperCoolGuy855/match_three_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperCoolGuy855%2Fmatch_three_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperCoolGuy855%2Fmatch_three_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53fc3ae01582873ae3a3d1fe4d059495a2e735ae
[INFO] checking SuperCoolGuy855/match_three_solver against try#5d96fa0e954d77528204a1ba3b8847ec083c779b for pr-153457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperCoolGuy855%2Fmatch_three_solver" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SuperCoolGuy855/match_three_solver
[INFO] finished tweaking git repo https://github.com/SuperCoolGuy855/match_three_solver
[INFO] tweaked toml for git repo https://github.com/SuperCoolGuy855/match_three_solver written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SuperCoolGuy855/match_three_solver on toolchain 5d96fa0e954d77528204a1ba3b8847ec083c779b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SuperCoolGuy855/match_three_solver 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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owo-colors v4.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31df0303a3f79cbc3005dad50a759bc1ba4a88ed40db4094e2937a1a718e8e44
[INFO] running `Command { std: "docker" "start" "-a" "31df0303a3f79cbc3005dad50a759bc1ba4a88ed40db4094e2937a1a718e8e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31df0303a3f79cbc3005dad50a759bc1ba4a88ed40db4094e2937a1a718e8e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31df0303a3f79cbc3005dad50a759bc1ba4a88ed40db4094e2937a1a718e8e44", kill_on_drop: false }`
[INFO] [stdout] 31df0303a3f79cbc3005dad50a759bc1ba4a88ed40db4094e2937a1a718e8e44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef77f940c8bc1237b25587b68ab4243d9a5a9c8926caac678d0887eb0f54f111
[INFO] running `Command { std: "docker" "start" "-a" "ef77f940c8bc1237b25587b68ab4243d9a5a9c8926caac678d0887eb0f54f111", kill_on_drop: false }`
[INFO] [stderr]    Compiling owo-colors v4.2.1
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking object v0.36.7
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking color-eyre v0.6.5
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking match_three_solver v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mem::swap`
[INFO] [stdout]  --> src/game.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, mem::swap};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/game.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use color_eyre::{Context, Result, eyre::OptionExt};
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::queue::SegQueue`
[INFO] [stdout]  --> src/solver.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam::queue::SegQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem::swap`
[INFO] [stdout]  --> src/game.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, mem::swap};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/game.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use color_eyre::{Context, Result, eyre::OptionExt};
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crossbeam::queue::SegQueue`
[INFO] [stdout]  --> src/solver.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam::queue::SegQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/game.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/game.rs:251:36
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn swap_inplace(&mut self, from: Point, to: Point) -> Result<()> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]    --> src/game.rs:251:49
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn swap_inplace(&mut self, from: Point, to: Point) -> Result<()> {
[INFO] [stdout]     |                                                 ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/game.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue_len`
[INFO] [stdout]    --> src/solver.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 let queue_len = {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_queue_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Yellow` and `Brown` are never constructed
[INFO] [stdout]   --> src/game.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum Block {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     Brown,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `at_mut_unchecked`, `at_mut`, and `swap_inplace` are never used
[INFO] [stdout]    --> src/game.rs:81:12
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl GameBoard {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  81 |     pub fn at_mut_unchecked(&mut self, pos: Point) -> &mut Block {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub fn at_mut(&mut self, pos: Point) -> Result<&mut Block> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 251 |     pub fn swap_inplace(&mut self, from: Point, to: Point) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `swap_len` and `block_num` are never read
[INFO] [stdout]   --> src/solver.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Stat {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     swap_len: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     block_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/game.rs:251:36
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn swap_inplace(&mut self, from: Point, to: Point) -> Result<()> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]    --> src/game.rs:251:49
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn swap_inplace(&mut self, from: Point, to: Point) -> Result<()> {
[INFO] [stdout]     |                                                 ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue_len`
[INFO] [stdout]    --> src/solver.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 let queue_len = {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_queue_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Yellow` and `Brown` are never constructed
[INFO] [stdout]   --> src/game.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum Block {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     Brown,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `at_mut_unchecked`, `at_mut`, and `swap_inplace` are never used
[INFO] [stdout]    --> src/game.rs:81:12
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl GameBoard {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  81 |     pub fn at_mut_unchecked(&mut self, pos: Point) -> &mut Block {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub fn at_mut(&mut self, pos: Point) -> Result<&mut Block> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 251 |     pub fn swap_inplace(&mut self, from: Point, to: Point) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `swap_len` and `block_num` are never read
[INFO] [stdout]   --> src/solver.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Stat {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     swap_len: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     block_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `Command { std: "docker" "inspect" "ef77f940c8bc1237b25587b68ab4243d9a5a9c8926caac678d0887eb0f54f111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef77f940c8bc1237b25587b68ab4243d9a5a9c8926caac678d0887eb0f54f111", kill_on_drop: false }`
[INFO] [stdout] ef77f940c8bc1237b25587b68ab4243d9a5a9c8926caac678d0887eb0f54f111
