[INFO] cloning repository https://github.com/Shivansh-Potdar/gameoflife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shivansh-Potdar/gameoflife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShivansh-Potdar%2Fgameoflife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShivansh-Potdar%2Fgameoflife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d3ca27bba667679902264e5796a09ad7f5e07e1
[INFO] testing Shivansh-Potdar/gameoflife against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShivansh-Potdar%2Fgameoflife" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shivansh-Potdar/gameoflife on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Shivansh-Potdar/gameoflife
[INFO] finished tweaking git repo https://github.com/Shivansh-Potdar/gameoflife
[INFO] tweaked toml for git repo https://github.com/Shivansh-Potdar/gameoflife written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/Shivansh-Potdar/gameoflife already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 067d91da347e33669b0f2c586038a58a5f7be9239251c832c74ad31db7925757
[INFO] running `Command { std: "docker" "start" "-a" "067d91da347e33669b0f2c586038a58a5f7be9239251c832c74ad31db7925757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "067d91da347e33669b0f2c586038a58a5f7be9239251c832c74ad31db7925757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067d91da347e33669b0f2c586038a58a5f7be9239251c832c74ad31db7925757", kill_on_drop: false }`
[INFO] [stdout] 067d91da347e33669b0f2c586038a58a5f7be9239251c832c74ad31db7925757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c996e1aead3eae84d8a1e1ed4f0cb45f488c15dbe9774cc0c58e04aea2f155c2
[INFO] running `Command { std: "docker" "start" "-a" "c996e1aead3eae84d8a1e1ed4f0cb45f488c15dbe9774cc0c58e04aea2f155c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling das-grid v0.1.5
[INFO] [stderr]    Compiling conways_gol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `empty_cell` is assigned to, but never used
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut empty_cell = 0;
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_empty_cell` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `liv_n` is never read
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut liv_n = 0;
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "c996e1aead3eae84d8a1e1ed4f0cb45f488c15dbe9774cc0c58e04aea2f155c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c996e1aead3eae84d8a1e1ed4f0cb45f488c15dbe9774cc0c58e04aea2f155c2", kill_on_drop: false }`
[INFO] [stdout] c996e1aead3eae84d8a1e1ed4f0cb45f488c15dbe9774cc0c58e04aea2f155c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 605c592906967d29e09ac195bd15399d5582a7fcaef26202723b181c126a4aa2
[INFO] running `Command { std: "docker" "start" "-a" "605c592906967d29e09ac195bd15399d5582a7fcaef26202723b181c126a4aa2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling conways_gol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `empty_cell` is assigned to, but never used
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut empty_cell = 0;
[INFO] [stdout]   |             ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_empty_cell` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `liv_n` is never read
[INFO] [stdout]  --> src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut liv_n = 0;
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "605c592906967d29e09ac195bd15399d5582a7fcaef26202723b181c126a4aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605c592906967d29e09ac195bd15399d5582a7fcaef26202723b181c126a4aa2", kill_on_drop: false }`
[INFO] [stdout] 605c592906967d29e09ac195bd15399d5582a7fcaef26202723b181c126a4aa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed6f10476c734b49b744341bcde90d8369dc558702f8a9abd0b3f3d42f871be0
[INFO] running `Command { std: "docker" "start" "-a" "ed6f10476c734b49b744341bcde90d8369dc558702f8a9abd0b3f3d42f871be0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable `empty_cell` is assigned to, but never used
[INFO] [stderr]  --> src/main.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut empty_cell = 0;
[INFO] [stderr]   |             ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]   = note: consider using `_empty_cell` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `liv_n` is never read
[INFO] [stderr]  --> src/main.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut liv_n = 0;
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `conways_gol` (bin "conways_gol" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/conways_gol-3edaf6823366e06d)
[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" "ed6f10476c734b49b744341bcde90d8369dc558702f8a9abd0b3f3d42f871be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6f10476c734b49b744341bcde90d8369dc558702f8a9abd0b3f3d42f871be0", kill_on_drop: false }`
[INFO] [stdout] ed6f10476c734b49b744341bcde90d8369dc558702f8a9abd0b3f3d42f871be0