[INFO] cloning repository https://github.com/aj-2000/rust_wasm_minesweeper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aj-2000/rust_wasm_minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faj-2000%2Frust_wasm_minesweeper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faj-2000%2Frust_wasm_minesweeper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ff5b63b0f87b2ba9cc75a9ed41dc8af8bb323bf [INFO] checking aj-2000/rust_wasm_minesweeper against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faj-2000%2Frust_wasm_minesweeper" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aj-2000/rust_wasm_minesweeper on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aj-2000/rust_wasm_minesweeper [INFO] finished tweaking git repo https://github.com/aj-2000/rust_wasm_minesweeper [INFO] tweaked toml for git repo https://github.com/aj-2000/rust_wasm_minesweeper written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aj-2000/rust_wasm_minesweeper 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" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1c6d2a402d08d4fe6c327f950d0aafc7f8890b21cad8a32c8ef8de39e24dd29 [INFO] running `Command { std: "docker" "start" "-a" "f1c6d2a402d08d4fe6c327f950d0aafc7f8890b21cad8a32c8ef8de39e24dd29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1c6d2a402d08d4fe6c327f950d0aafc7f8890b21cad8a32c8ef8de39e24dd29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1c6d2a402d08d4fe6c327f950d0aafc7f8890b21cad8a32c8ef8de39e24dd29", kill_on_drop: false }` [INFO] [stdout] f1c6d2a402d08d4fe6c327f950d0aafc7f8890b21cad8a32c8ef8de39e24dd29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c95bddafe8561b53301513c4b9eb938a6d6049c29e1e18553b4dbb7c967d5af7 [INFO] running `Command { std: "docker" "start" "-a" "c95bddafe8561b53301513c4b9eb938a6d6049c29e1e18553b4dbb7c967d5af7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.42 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.82 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling bumpalo v3.10.0 [INFO] [stderr] Compiling once_cell v1.13.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling wasm-bindgen v0.2.82 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.82 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.82 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.82 [INFO] [stderr] Checking minesweeper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/minesweeper.rs:106:25 [INFO] [stdout] | [INFO] [stdout] 102 | for neighbor in self.iter_neighbors(pos) { [INFO] [stdout] | ------------------------ [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 106 | self.open(neighbor); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/minesweeper.rs:106:25 [INFO] [stdout] | [INFO] [stdout] 102 | for neighbor in self.iter_neighbors(pos) { [INFO] [stdout] | ------------------------ [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 106 | self.open(neighbor); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/minesweeper.rs:131:25 [INFO] [stdout] | [INFO] [stdout] 129 | for neighbor in self.iter_neighbors(pos) { [INFO] [stdout] | ------------------------ [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] 130 | if !self.open_fields.contains(&neighbor) { [INFO] [stdout] 131 | self.open(neighbor); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/minesweeper.rs:131:25 [INFO] [stdout] | [INFO] [stdout] 129 | for neighbor in self.iter_neighbors(pos) { [INFO] [stdout] | ------------------------ [INFO] [stdout] | | [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] | immutable borrow later used here [INFO] [stdout] 130 | if !self.open_fields.contains(&neighbor) { [INFO] [stdout] 131 | self.open(neighbor); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `minesweeper` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `minesweeper` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "c95bddafe8561b53301513c4b9eb938a6d6049c29e1e18553b4dbb7c967d5af7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c95bddafe8561b53301513c4b9eb938a6d6049c29e1e18553b4dbb7c967d5af7", kill_on_drop: false }` [INFO] [stdout] c95bddafe8561b53301513c4b9eb938a6d6049c29e1e18553b4dbb7c967d5af7