[INFO] cloning repository https://github.com/koba-e964/nurimisaki-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/koba-e964/nurimisaki-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoba-e964%2Fnurimisaki-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoba-e964%2Fnurimisaki-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99528c782e0b4cca8cfbd05eead063401595bda6
[INFO] checking koba-e964/nurimisaki-solver against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoba-e964%2Fnurimisaki-solver" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/koba-e964/nurimisaki-solver
[INFO] finished tweaking git repo https://github.com/koba-e964/nurimisaki-solver
[INFO] tweaked toml for git repo https://github.com/koba-e964/nurimisaki-solver written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/koba-e964/nurimisaki-solver on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/koba-e964/nurimisaki-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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking koba-e964/nurimisaki-solver against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoba-e964%2Fnurimisaki-solver" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/koba-e964/nurimisaki-solver
[INFO] finished tweaking git repo https://github.com/koba-e964/nurimisaki-solver
[INFO] tweaked toml for git repo https://github.com/koba-e964/nurimisaki-solver written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/koba-e964/nurimisaki-solver on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/koba-e964/nurimisaki-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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2db3e9da236f580f095ad75e839f76db36c33fe1f4c61ee33bbba8b267c661f
[INFO] running `Command { std: "docker" "start" "-a" "d2db3e9da236f580f095ad75e839f76db36c33fe1f4c61ee33bbba8b267c661f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2db3e9da236f580f095ad75e839f76db36c33fe1f4c61ee33bbba8b267c661f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2db3e9da236f580f095ad75e839f76db36c33fe1f4c61ee33bbba8b267c661f", kill_on_drop: false }`
[INFO] [stdout] d2db3e9da236f580f095ad75e839f76db36c33fe1f4c61ee33bbba8b267c661f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb0f12014e40ab0d972087e0d146956763c9f524e89d9f4037a98fcc2559978b
[INFO] running `Command { std: "docker" "start" "-a" "cb0f12014e40ab0d972087e0d146956763c9f524e89d9f4037a98fcc2559978b", kill_on_drop: false }`
[INFO] [stderr]     Checking nurimisaki-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mi`
[INFO] [stdout]    --> src/main.rs:322:17
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let mut mi = (100, 0, 0);
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_mi`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `num_nonblack` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:328:25
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 let mut num_nonblack = 0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_num_nonblack` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num_nonblack` is never read
[INFO] [stdout]    --> src/main.rs:340:17
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 num_nonblack += (!self.black[i] & mask).count_ones();
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mi`
[INFO] [stdout]    --> src/main.rs:322:17
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let mut mi = (100, 0, 0);
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_mi`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `num_nonblack` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:328:25
[INFO] [stdout]     |
[INFO] [stdout] 328 |                 let mut num_nonblack = 0;
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_num_nonblack` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num_nonblack` is never read
[INFO] [stdout]    --> src/main.rs:340:17
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 num_nonblack += (!self.black[i] & mask).count_ones();
[INFO] [stdout]     |                 ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let mut mi = (100, 0, 0);
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:322:13
[INFO] [stdout]     |
[INFO] [stdout] 322 |         let mut mi = (100, 0, 0);
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_next_move` is never used
[INFO] [stdout]    --> src/main.rs:318:8
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl<'sq> Board<'sq> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 318 |     fn find_next_move(&mut self) -> Option<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_next_move` is never used
[INFO] [stdout]    --> src/main.rs:318:8
[INFO] [stdout]     |
[INFO] [stdout]  16 | impl<'sq> Board<'sq> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 318 |     fn find_next_move(&mut self) -> Option<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "cb0f12014e40ab0d972087e0d146956763c9f524e89d9f4037a98fcc2559978b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0f12014e40ab0d972087e0d146956763c9f524e89d9f4037a98fcc2559978b", kill_on_drop: false }`
[INFO] [stdout] cb0f12014e40ab0d972087e0d146956763c9f524e89d9f4037a98fcc2559978b