[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] checking dwuggh/15-puzzle-helper against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwuggh%2F15-puzzle-helper" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  64% (9/14)
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Updating files: 100% (14/14), done.
[INFO] validating manifest of git repo https://github.com/dwuggh/15-puzzle-helper on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-97/source/Cargo.toml
[INFO] crate git repo https://github.com/dwuggh/15-puzzle-helper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c158c3ed55fd197806ed153498775a1d29affbba67c43dda4232cc54a207a8c4
[INFO] running `Command { std: "docker" "start" "-a" "c158c3ed55fd197806ed153498775a1d29affbba67c43dda4232cc54a207a8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c158c3ed55fd197806ed153498775a1d29affbba67c43dda4232cc54a207a8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c158c3ed55fd197806ed153498775a1d29affbba67c43dda4232cc54a207a8c4", kill_on_drop: false }`
[INFO] [stdout] c158c3ed55fd197806ed153498775a1d29affbba67c43dda4232cc54a207a8c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05c877e63d3000d14161f3869db5be8628a54d2cb9a574ab1b82e3bf882ec2ce
[INFO] running `Command { std: "docker" "start" "-a" "05c877e63d3000d14161f3869db5be8628a54d2cb9a574ab1b82e3bf882ec2ce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking fifteen-puzzle-helper v0.1.0 (/opt/rustwide/workdir)
[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]   = note: `#[warn(unused_imports)]` on by default
[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)]` 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 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]   = note: `#[warn(unused_imports)]` on by default
[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)]` 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)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `revert`
[INFO] [stdout]   --> src/lib/types/mov.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn revert(&self) -> Move {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `manhattan_dist`
[INFO] [stdout]   --> src/lib/types/board.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn manhattan_dist(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Traditional_A_Star`
[INFO] [stdout]  --> src/lib/solver.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Traditional_A_Star,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `subcmd`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     subcmd: SubCmd,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `revert`
[INFO] [stdout]   --> src/lib/types/mov.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn revert(&self) -> Move {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `manhattan_dist`
[INFO] [stdout]   --> src/lib/types/board.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn manhattan_dist(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Traditional_A_Star`
[INFO] [stdout]  --> src/lib/solver.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Traditional_A_Star,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `subcmd`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     subcmd: SubCmd,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.41s
[INFO] running `Command { std: "docker" "inspect" "05c877e63d3000d14161f3869db5be8628a54d2cb9a574ab1b82e3bf882ec2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c877e63d3000d14161f3869db5be8628a54d2cb9a574ab1b82e3bf882ec2ce", kill_on_drop: false }`
[INFO] [stdout] 05c877e63d3000d14161f3869db5be8628a54d2cb9a574ab1b82e3bf882ec2ce