[INFO] cloning repository https://github.com/paradoxskin/szioCardGame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paradoxskin/szioCardGame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparadoxskin%2FszioCardGame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparadoxskin%2FszioCardGame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb0f332f848d926b71b75c4e14554a670ee2ecc4
[INFO] building paradoxskin/szioCardGame against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparadoxskin%2FszioCardGame" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/paradoxskin/szioCardGame
[INFO] finished tweaking git repo https://github.com/paradoxskin/szioCardGame
[INFO] tweaked toml for git repo https://github.com/paradoxskin/szioCardGame written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/paradoxskin/szioCardGame on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/paradoxskin/szioCardGame 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31aa2df53ff8e488f0facb8159ac6c7e4c1abd63c1be0dc3b5c481a4df5798ca
[INFO] running `Command { std: "docker" "start" "-a" "31aa2df53ff8e488f0facb8159ac6c7e4c1abd63c1be0dc3b5c481a4df5798ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31aa2df53ff8e488f0facb8159ac6c7e4c1abd63c1be0dc3b5c481a4df5798ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31aa2df53ff8e488f0facb8159ac6c7e4c1abd63c1be0dc3b5c481a4df5798ca", kill_on_drop: false }`
[INFO] [stdout] 31aa2df53ff8e488f0facb8159ac6c7e4c1abd63c1be0dc3b5c481a4df5798ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62a595e67361fbb984de739105d18eafaddc0cd71f9e86e0ca85bc58500b80c9
[INFO] running `Command { std: "docker" "start" "-a" "62a595e67361fbb984de739105d18eafaddc0cd71f9e86e0ca85bc58500b80c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling solve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tar_num`
[INFO] [stdout]   --> src/main.rs:27:37
[INFO] [stdout]    |
[INFO] [stdout] 27 |         if let (Card::Num(tar_kind, tar_num), Card::Num(kind, num)) = (target_card, self) {
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tar_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:299:12
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn dfs(mut now: Solve) -> Solve {
[INFO] [stdout]     |            ----^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Card` is never used
[INFO] [stdout]  --> src/main.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Card {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `HASH_STK`, `HASH_SPEC`, `can_move_front_of`, and `into_char` are never used
[INFO] [stdout]   --> src/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Card {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 15 |     const HASH_STK: [[char; 9]; 3] = [
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     const HASH_SPEC: [char; 3] = ['z', 'x', 'c'];
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn can_move_front_of(&self, target_card: &Card) -> bool{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn into_char(&self) -> char {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MoveErr` is never used
[INFO] [stdout]   --> src/main.rs:46:6
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum MoveErr {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Decks` is never constructed
[INFO] [stdout]   --> src/main.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Decks {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/main.rs:58:8
[INFO] [stdout]     |
[INFO] [stdout]  57 | impl Decks {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  58 |     fn new(cards: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     fn new_empty() -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn seek_possible_move(&self, pos: (u8, u8, u8)) -> Vec<(u8, u8)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn try_to_move(&mut self, from: (u8, u8, u8), to: (u8, u8)) -> Result<((u8, u8, u8), (u8, u8)), MoveErr> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn scan_spec(&self) -> (bool, u8) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     fn storage_has_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 |     fn into_string(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn cut_num(&mut self, from: (u8, u8)) -> Result<(u8, u8, u8), MoveErr> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn recover_cut_num(&mut self, to: (u8, u8, u8)) -> Result<(), MoveErr> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solve` is never constructed
[INFO] [stdout]    --> src/main.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout] 278 | struct Solve {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `mark`, and `dfs` are never used
[INFO] [stdout]    --> src/main.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | impl Solve {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 285 |     fn new(init: String) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 295 |     fn mark(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 299 |     fn dfs(mut now: Solve) -> Solve {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "62a595e67361fbb984de739105d18eafaddc0cd71f9e86e0ca85bc58500b80c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a595e67361fbb984de739105d18eafaddc0cd71f9e86e0ca85bc58500b80c9", kill_on_drop: false }`
[INFO] [stdout] 62a595e67361fbb984de739105d18eafaddc0cd71f9e86e0ca85bc58500b80c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be8ca96e92e184a75ce032eade0a4dd35d1ea4f6387f9a5a1d08df16a5612a93
[INFO] running `Command { std: "docker" "start" "-a" "be8ca96e92e184a75ce032eade0a4dd35d1ea4f6387f9a5a1d08df16a5612a93", kill_on_drop: false }`
[INFO] [stderr]    Compiling solve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tar_num`
[INFO] [stdout]   --> src/main.rs:27:37
[INFO] [stdout]    |
[INFO] [stdout] 27 |         if let (Card::Num(tar_kind, tar_num), Card::Num(kind, num)) = (target_card, self) {
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tar_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:299:12
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn dfs(mut now: Solve) -> Solve {
[INFO] [stdout]     |            ----^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Disable` is never constructed
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | enum Card {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Disable
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` 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: method `can_move_front_of` is never used
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Card {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn can_move_front_of(&self, target_card: &Card) -> bool{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `seek_possible_move`, `scan_spec`, `storage_has_empty`, `cut_num`, and `recover_cut_num` are never used
[INFO] [stdout]    --> src/main.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout]  57 | impl Decks {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn seek_possible_move(&self, pos: (u8, u8, u8)) -> Vec<(u8, u8)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 |     fn scan_spec(&self) -> (bool, u8) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     fn storage_has_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn cut_num(&mut self, from: (u8, u8)) -> Result<(u8, u8, u8), MoveErr> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn recover_cut_num(&mut self, to: (u8, u8, u8)) -> Result<(), MoveErr> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `solution` is never read
[INFO] [stdout]    --> src/main.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 278 | struct Solve {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 281 |     solution: Vec<String>
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `dfs` is never used
[INFO] [stdout]    --> src/main.rs:299:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | impl Solve {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 299 |     fn dfs(mut now: Solve) -> Solve {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "be8ca96e92e184a75ce032eade0a4dd35d1ea4f6387f9a5a1d08df16a5612a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8ca96e92e184a75ce032eade0a4dd35d1ea4f6387f9a5a1d08df16a5612a93", kill_on_drop: false }`
[INFO] [stdout] be8ca96e92e184a75ce032eade0a4dd35d1ea4f6387f9a5a1d08df16a5612a93
