[INFO] cloning repository https://github.com/ihsanvp/tic-tac-toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ihsanvp/tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihsanvp%2Ftic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihsanvp%2Ftic-tac-toe'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihsanvp%2Ftic-tac-toe: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/ihsanvp/tic-tac-toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ihsanvp/tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihsanvp%2Ftic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihsanvp%2Ftic-tac-toe'...
[INFO] [stderr] error: failed to write new configuration file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihsanvp%2Ftic-tac-toe/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/ihsanvp/tic-tac-toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ihsanvp/tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihsanvp%2Ftic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihsanvp%2Ftic-tac-toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0802688f6b0b2b3d6a61f78040206a447979c17a
[INFO] checking ihsanvp/tic-tac-toe against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihsanvp%2Ftic-tac-toe" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ihsanvp/tic-tac-toe
[INFO] finished tweaking git repo https://github.com/ihsanvp/tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/ihsanvp/tic-tac-toe written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ihsanvp/tic-tac-toe on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ihsanvp/tic-tac-toe 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1498c2b5c2ef56222f2d2565b1bcb8b834a217c9dddb803f6cb2cf360818cd6
[INFO] running `Command { std: "docker" "start" "-a" "b1498c2b5c2ef56222f2d2565b1bcb8b834a217c9dddb803f6cb2cf360818cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1498c2b5c2ef56222f2d2565b1bcb8b834a217c9dddb803f6cb2cf360818cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1498c2b5c2ef56222f2d2565b1bcb8b834a217c9dddb803f6cb2cf360818cd6", kill_on_drop: false }`
[INFO] [stdout] b1498c2b5c2ef56222f2d2565b1bcb8b834a217c9dddb803f6cb2cf360818cd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c062d5b02a85aa29d37474020fcdc1607a5ee0e51366c658c549d44b9eec7a81
[INFO] running `Command { std: "docker" "start" "-a" "c062d5b02a85aa29d37474020fcdc1607a5ee0e51366c658c549d44b9eec7a81", kill_on_drop: false }`
[INFO] [stderr]     Checking tic_tac_toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Cross` and `Circle` are never constructed
[INFO] [stdout]  --> src/model/board.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum CellValue {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 3 |     Empty,
[INFO] [stdout] 4 |     Cross,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     Circle,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CellValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_value` and `display` are never used
[INFO] [stdout]   --> src/model/board.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl BoardCell {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn set_value(&mut self, value: CellValue) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn display(&self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Cross` and `Circle` are never constructed
[INFO] [stdout]  --> src/model/board.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum CellValue {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 3 |     Empty,
[INFO] [stdout] 4 |     Cross,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     Circle,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CellValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_value` and `display` are never used
[INFO] [stdout]   --> src/model/board.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl BoardCell {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn set_value(&mut self, value: CellValue) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn display(&self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "c062d5b02a85aa29d37474020fcdc1607a5ee0e51366c658c549d44b9eec7a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c062d5b02a85aa29d37474020fcdc1607a5ee0e51366c658c549d44b9eec7a81", kill_on_drop: false }`
[INFO] [stdout] c062d5b02a85aa29d37474020fcdc1607a5ee0e51366c658c549d44b9eec7a81