[INFO] cloning repository https://github.com/DiDeoxy/puzzle_15_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DiDeoxy/puzzle_15_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiDeoxy%2Fpuzzle_15_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiDeoxy%2Fpuzzle_15_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1bd98be591347c1bab045c9268fb7a59664cc73
[INFO] testing DiDeoxy/puzzle_15_solver against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiDeoxy%2Fpuzzle_15_solver" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DiDeoxy/puzzle_15_solver on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DiDeoxy/puzzle_15_solver
[INFO] finished tweaking git repo https://github.com/DiDeoxy/puzzle_15_solver
[INFO] tweaked toml for git repo https://github.com/DiDeoxy/puzzle_15_solver written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/DiDeoxy/puzzle_15_solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 keyed_priority_queue v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d86a26667b28078b60a1edc2c9048b70362e6c3314724f618185f6df2e736476
[INFO] running `Command { std: "docker" "start" "-a" "d86a26667b28078b60a1edc2c9048b70362e6c3314724f618185f6df2e736476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d86a26667b28078b60a1edc2c9048b70362e6c3314724f618185f6df2e736476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86a26667b28078b60a1edc2c9048b70362e6c3314724f618185f6df2e736476", kill_on_drop: false }`
[INFO] [stdout] d86a26667b28078b60a1edc2c9048b70362e6c3314724f618185f6df2e736476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8308a837017ff5100274e391172cbb37a3d1338a579fdec9434fbeefd5e219e0
[INFO] running `Command { std: "docker" "start" "-a" "8308a837017ff5100274e391172cbb37a3d1338a579fdec9434fbeefd5e219e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling keyed_priority_queue v0.1.3
[INFO] [stderr]    Compiling puzzle_15_solver_v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `est_moves_rem`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     est_moves_rem: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
[INFO] running `Command { std: "docker" "inspect" "8308a837017ff5100274e391172cbb37a3d1338a579fdec9434fbeefd5e219e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8308a837017ff5100274e391172cbb37a3d1338a579fdec9434fbeefd5e219e0", kill_on_drop: false }`
[INFO] [stdout] 8308a837017ff5100274e391172cbb37a3d1338a579fdec9434fbeefd5e219e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e00a572f71fe470ed77748cb33ffbe7811873a1a7017a7d7125c116052ae2915
[INFO] running `Command { std: "docker" "start" "-a" "e00a572f71fe470ed77748cb33ffbe7811873a1a7017a7d7125c116052ae2915", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzle_15_solver_v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `est_moves_rem`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     est_moves_rem: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "e00a572f71fe470ed77748cb33ffbe7811873a1a7017a7d7125c116052ae2915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00a572f71fe470ed77748cb33ffbe7811873a1a7017a7d7125c116052ae2915", kill_on_drop: false }`
[INFO] [stdout] e00a572f71fe470ed77748cb33ffbe7811873a1a7017a7d7125c116052ae2915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e74c2372bc64b4abbdb11f66306814d8262904f210af268ed242d3ead69a18d
[INFO] running `Command { std: "docker" "start" "-a" "4e74c2372bc64b4abbdb11f66306814d8262904f210af268ed242d3ead69a18d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `est_moves_rem`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     est_moves_rem: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `puzzle_15_solver_v2` (bin "puzzle_15_solver_v2" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/puzzle_15_solver_v2-a4f8526b0ba0e489)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e74c2372bc64b4abbdb11f66306814d8262904f210af268ed242d3ead69a18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e74c2372bc64b4abbdb11f66306814d8262904f210af268ed242d3ead69a18d", kill_on_drop: false }`
[INFO] [stdout] 4e74c2372bc64b4abbdb11f66306814d8262904f210af268ed242d3ead69a18d