[INFO] cloning repository https://github.com/dwuggh/15-puzzle-helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwuggh/15-puzzle-helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2F15-puzzle-helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2F15-puzzle-helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e78a92114373712e51f5d9a51d234554a764052
[INFO] testing dwuggh/15-puzzle-helper against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2F15-puzzle-helper" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dwuggh/15-puzzle-helper
[INFO] finished tweaking git repo https://github.com/dwuggh/15-puzzle-helper
[INFO] tweaked toml for git repo https://github.com/dwuggh/15-puzzle-helper written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dwuggh/15-puzzle-helper on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dwuggh/15-puzzle-helper 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded textwrap v0.12.1
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded os_str_bytes v2.3.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.2
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded clap v3.0.0-beta.2
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] [stderr]   Downloaded libc v0.2.79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c92309e89e691ae31a536a009a0d1502f2fdddde44628d2d049c20a9a4f6062f
[INFO] running `Command { std: "docker" "start" "-a" "c92309e89e691ae31a536a009a0d1502f2fdddde44628d2d049c20a9a4f6062f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c92309e89e691ae31a536a009a0d1502f2fdddde44628d2d049c20a9a4f6062f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92309e89e691ae31a536a009a0d1502f2fdddde44628d2d049c20a9a4f6062f", kill_on_drop: false }`
[INFO] [stdout] c92309e89e691ae31a536a009a0d1502f2fdddde44628d2d049c20a9a4f6062f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8b073a149ca0acfec5b2c8d930bed26d49676528273a71b8a9708b3a1299006
[INFO] running `Command { std: "docker" "start" "-a" "c8b073a149ca0acfec5b2c8d930bed26d49676528273a71b8a9708b3a1299006", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling os_str_bytes v2.3.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling fifteen-puzzle-helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dist`
[INFO] [stdout]  --> src/lib/types.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use traits::{Dist, Wrapper};
[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: `GameBoard`
[INFO] [stdout]  --> src/lib/scrambler.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::types::{Board, GameBoard};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Traditional_A_Star` should have an upper camel case name
[INFO] [stdout]  --> src/lib/solver.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Traditional_A_Star,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TraditionalAStar`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rank_Reduction` should have an upper camel case name
[INFO] [stdout]   --> src/lib/solver.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Rank_Reduction,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RankReduction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]   --> src/main.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let style = sub_scm.value_of("print-style").unwrap();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_style`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `subcmd` is never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Opts {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 12 |     #[clap(subcommand)]
[INFO] [stdout] 13 |     subcmd: SubCmd,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `revert` is never used
[INFO] [stdout]   --> src/lib/types/mov.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Move {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 26 |     fn revert(&self) -> Move {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `manhattan_dist` is never used
[INFO] [stdout]   --> src/lib/types/board.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn manhattan_dist(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_target` is never used
[INFO] [stdout]  --> src/lib/types/traits.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Wrapper<T: Clone> {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 7 |     fn is_target(&self) -> bool;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Traditional_A_Star` is never constructed
[INFO] [stdout]  --> src/lib/solver.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum SolveMethod {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] 9 |     Traditional_A_Star,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.72s
[INFO] running `Command { std: "docker" "inspect" "c8b073a149ca0acfec5b2c8d930bed26d49676528273a71b8a9708b3a1299006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b073a149ca0acfec5b2c8d930bed26d49676528273a71b8a9708b3a1299006", kill_on_drop: false }`
[INFO] [stdout] c8b073a149ca0acfec5b2c8d930bed26d49676528273a71b8a9708b3a1299006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98fd4605bdd691613086ac5fa6d440c8266010272a098d4f334a91056bbc0829
[INFO] running `Command { std: "docker" "start" "-a" "98fd4605bdd691613086ac5fa6d440c8266010272a098d4f334a91056bbc0829", kill_on_drop: false }`
[INFO] [stderr]    Compiling fifteen-puzzle-helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dist`
[INFO] [stdout]  --> src/lib/types.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use traits::{Dist, Wrapper};
[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: `GameBoard`
[INFO] [stdout]  --> src/lib/scrambler.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::types::{Board, GameBoard};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Traditional_A_Star` should have an upper camel case name
[INFO] [stdout]  --> src/lib/solver.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Traditional_A_Star,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TraditionalAStar`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rank_Reduction` should have an upper camel case name
[INFO] [stdout]   --> src/lib/solver.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Rank_Reduction,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RankReduction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `style`
[INFO] [stdout]   --> src/main.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let style = sub_scm.value_of("print-style").unwrap();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_style`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `subcmd` is never read
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Opts {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 12 |     #[clap(subcommand)]
[INFO] [stdout] 13 |     subcmd: SubCmd,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `revert` is never used
[INFO] [stdout]   --> src/lib/types/mov.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Move {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 26 |     fn revert(&self) -> Move {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `manhattan_dist` is never used
[INFO] [stdout]   --> src/lib/types/board.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn manhattan_dist(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_target` is never used
[INFO] [stdout]  --> src/lib/types/traits.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Wrapper<T: Clone> {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 7 |     fn is_target(&self) -> bool;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Traditional_A_Star` is never constructed
[INFO] [stdout]  --> src/lib/solver.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum SolveMethod {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] 9 |     Traditional_A_Star,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "98fd4605bdd691613086ac5fa6d440c8266010272a098d4f334a91056bbc0829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98fd4605bdd691613086ac5fa6d440c8266010272a098d4f334a91056bbc0829", kill_on_drop: false }`
[INFO] [stdout] 98fd4605bdd691613086ac5fa6d440c8266010272a098d4f334a91056bbc0829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dab08d34848c64f6446e65d9333a92b4ee314344be132102e97835d7ed5ff703
[INFO] running `Command { std: "docker" "start" "-a" "dab08d34848c64f6446e65d9333a92b4ee314344be132102e97835d7ed5ff703", kill_on_drop: false }`
[INFO] [stderr] warning: found module declaration for lib.rs
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod lib;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: lib.rs is the root of this crate's library target
[INFO] [stderr]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stderr]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Dist`
[INFO] [stderr]  --> src/lib/types.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub use traits::{Dist, Wrapper};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GameBoard`
[INFO] [stderr]  --> src/lib/scrambler.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::types::{Board, GameBoard};
[INFO] [stderr]   |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Traditional_A_Star` should have an upper camel case name
[INFO] [stderr]  --> src/lib/solver.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Traditional_A_Star,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TraditionalAStar`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Rank_Reduction` should have an upper camel case name
[INFO] [stderr]   --> src/lib/solver.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Rank_Reduction,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RankReduction`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `style`
[INFO] [stderr]   --> src/main.rs:80:7
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let style = sub_scm.value_of("print-style").unwrap();
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_style`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `subcmd` is never read
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Opts {
[INFO] [stderr]    |        ---- field in this struct
[INFO] [stderr] 12 |     #[clap(subcommand)]
[INFO] [stderr] 13 |     subcmd: SubCmd,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `revert` is never used
[INFO] [stderr]   --> src/lib/types/mov.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl Move {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] 26 |     fn revert(&self) -> Move {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `manhattan_dist` is never used
[INFO] [stderr]   --> src/lib/types/board.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Board {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub fn manhattan_dist(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_target` is never used
[INFO] [stderr]  --> src/lib/types/traits.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub trait Wrapper<T: Clone> {
[INFO] [stderr]   |           ------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 7 |     fn is_target(&self) -> bool;
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Traditional_A_Star` is never constructed
[INFO] [stderr]  --> src/lib/solver.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum SolveMethod {
[INFO] [stderr]   |          ----------- variant in this enum
[INFO] [stderr] 9 |     Traditional_A_Star,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fifteen-puzzle-helper` (bin "fifteen-puzzle-helper" test) generated 11 warnings (run `cargo fix --bin "fifteen-puzzle-helper" -p fifteen-puzzle-helper --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fifteen_puzzle_helper-962e86224f26bae3)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test lib::parity::parity_check_test::real_case_rank_4_2 ... ok
[INFO] [stdout] test lib::parity::parity_check_test::move_1_empty_site ... ok
[INFO] [stdout] test lib::parity::parity_check_test::real_case_rank_4_empty_site ... ok
[INFO] [stdout] test lib::parity::parity_check_test::initial_state ... ok
[INFO] [stdout] test lib::parity::parity_check_test::real_case_rank_4_permutation ... ok
[INFO] [stdout] test lib::parity::parity_check_test::swap_2_perm ... ok
[INFO] [stdout] test lib::parity::parity_check_test::real_case_rank_5 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- lib::parity::parity_check_test::real_case_rank_5 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'lib::parity::parity_check_test::real_case_rank_5' (30) panicked at src/lib/parity.rs:139:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: true
[INFO] [stdout]  right: false
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62eb62b79b32 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62eb62b79b32 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62eb62b79b32 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x62eb62b79b32 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x62eb62b899a7 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x62eb62b899a7 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x62eb62b488e6 - std::io::default_write_fmt::h751a79cdae495f10
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62eb62b488e6 - std::io::Write::write_fmt::h9ef514f8700ff7b2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x62eb62b58ef9 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x62eb62b58ef9 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x62eb62b58d91 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x62eb62b1ba7e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39d051e7dedac6a7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x62eb62b1ba7e - test::test_main_with_exit_callback::{{closure}}::h4b005fe75814c302
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x62eb62b59172 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd426070722c13cbf
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x62eb62b59172 - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x62eb62b58fb8 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x62eb62b54589 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   17:     0x62eb62b3d6ad - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x62eb62b90ebc - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x62eb62b90d73 - core::panicking::assert_failed_inner::h6fc38e43be639d33
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x62eb62afb0a0 - core::panicking::assert_failed::hea47fed7acb788e9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x62eb62af96d7 - fifteen_puzzle_helper::lib::parity::parity_check_test::real_case_rank_5::hea41e6e6a70007d7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib/parity.rs:139:9
[INFO] [stdout]   22:     0x62eb62af9717 - fifteen_puzzle_helper::lib::parity::parity_check_test::real_case_rank_5::{{closure}}::hb21cd64d96fd600e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib/parity.rs:133:26
[INFO] [stdout]   23:     0x62eb62afa596 - core::ops::function::FnOnce::call_once::h4f82d3341f047ef7
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x62eb62b1b8ab - core::ops::function::FnOnce::call_once::h0217b30cfdee2e67
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x62eb62b1b8ab - test::__rust_begin_short_backtrace::h6d98714a1e28f556
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x62eb62b2f23a - test::run_test_in_process::{{closure}}::he2c70d2634d3a3cc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x62eb62b2f23a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40a0a825bcf17fdd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x62eb62b2f23a - std::panicking::catch_unwind::do_call::h6c8eb5dd6e7b5975
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x62eb62b2f23a - std::panicking::catch_unwind::h55455eac2972ad1e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x62eb62b2f23a - std::panic::catch_unwind::h0025465150a5e558
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x62eb62b2f23a - test::run_test_in_process::hb61e682f9b630fbc
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x62eb62b2f23a - test::run_test::{{closure}}::hc2c2a7a38ab176e2
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x62eb62b094d4 - test::run_test::{{closure}}::ha91867b85cd2a911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x62eb62b094d4 - std::sys::backtrace::__rust_begin_short_backtrace::ha00a9fe02049c339
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:160:18
[INFO] [stdout]   35:     0x62eb62b0ce02 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd629fba9153dfb55
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:92:13
[INFO] [stdout]   36:     0x62eb62b0ce02 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4189018816a5c5d9
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x62eb62b0ce02 - std::panicking::catch_unwind::do_call::hf9fcdbca3c2e9877
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x62eb62b0ce02 - std::panicking::catch_unwind::h97b92d88631c7c64
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x62eb62b0ce02 - std::panic::catch_unwind::ha77cdbb68e725e5e
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x62eb62b0ce02 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h511f05bc1a132253
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/thread/lifecycle.rs:90:26
[INFO] [stdout]   41:     0x62eb62b0ce02 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68b31e9b685cb8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x62eb62b4fc1f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h22a27d165e4e871d
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x62eb62b4fc1f - std::sys::thread::unix::Thread::new::thread_start::h45cc87bb053add0f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7c81167bdaa4 - <unknown>
[INFO] [stdout]   45:     0x7c811684aa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     lib::parity::parity_check_test::real_case_rank_5
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin fifteen-puzzle-helper`
[INFO] running `Command { std: "docker" "inspect" "dab08d34848c64f6446e65d9333a92b4ee314344be132102e97835d7ed5ff703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab08d34848c64f6446e65d9333a92b4ee314344be132102e97835d7ed5ff703", kill_on_drop: false }`
[INFO] [stdout] dab08d34848c64f6446e65d9333a92b4ee314344be132102e97835d7ed5ff703
