[INFO] cloning repository https://github.com/gabrielbitencourt/old-lady-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabrielbitencourt/old-lady-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielbitencourt%2Fold-lady-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielbitencourt%2Fold-lady-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e013e6ac3f81a4259b9a8f77b4dbfb23cc05c445 [INFO] checking gabrielbitencourt/old-lady-rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielbitencourt%2Fold-lady-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gabrielbitencourt/old-lady-rust on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gabrielbitencourt/old-lady-rust [INFO] finished tweaking git repo https://github.com/gabrielbitencourt/old-lady-rust [INFO] tweaked toml for git repo https://github.com/gabrielbitencourt/old-lady-rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/gabrielbitencourt/old-lady-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cad1643471d0f37a0a0024ea65602b41a55af3ba1fe25635ea4e1d01e6e1912f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cad1643471d0f37a0a0024ea65602b41a55af3ba1fe25635ea4e1d01e6e1912f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cad1643471d0f37a0a0024ea65602b41a55af3ba1fe25635ea4e1d01e6e1912f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cad1643471d0f37a0a0024ea65602b41a55af3ba1fe25635ea4e1d01e6e1912f", kill_on_drop: false }` [INFO] [stdout] cad1643471d0f37a0a0024ea65602b41a55af3ba1fe25635ea4e1d01e6e1912f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94f26fcb8ffa0df1a8690c83a2046e7b0d9abd7abea14cf417624ab1ff4c3082 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "94f26fcb8ffa0df1a8690c83a2046e7b0d9abd7abea14cf417624ab1ff4c3082", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking old-lady v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/game.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | for row in self.table.positions.into_iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/game.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | for row in self.table.positions.into_iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> src/game.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | return Table { [INFO] [stdout] | ________________^ [INFO] [stdout] 39 | | positions: &vec!(vec!(None::; 3); 3) [INFO] [stdout] | | ------------------------------ temporary value created here [INFO] [stdout] 40 | | } [INFO] [stdout] | |_________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> src/game.rs:38:16 [INFO] [stdout] | [INFO] [stdout] 38 | return Table { [INFO] [stdout] | ________________^ [INFO] [stdout] 39 | | positions: &vec!(vec!(None::; 3); 3) [INFO] [stdout] | | ------------------------------ temporary value created here [INFO] [stdout] 40 | | } [INFO] [stdout] | |_________^ returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `*self.positions` as mutable, as it is behind a `&` reference [INFO] [stdout] --> src/game.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 8 | positions: &'b Vec>> [INFO] [stdout] | -------------------------- help: consider changing this to be mutable: `&'b mut Vec>>` [INFO] [stdout] ... [INFO] [stdout] 45 | self.positions[row][col] = Some(side); [INFO] [stdout] | ^^^^^^^^^^^^^^ cannot borrow as mutable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `*self.positions` as mutable, as it is behind a `&` reference [INFO] [stdout] --> src/game.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 8 | positions: &'b Vec>> [INFO] [stdout] | -------------------------- help: consider changing this to be mutable: `&'b mut Vec>>` [INFO] [stdout] ... [INFO] [stdout] 45 | self.positions[row][col] = Some(side); [INFO] [stdout] | ^^^^^^^^^^^^^^ cannot borrow as mutable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0515, E0596. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0515, E0596. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `old-lady` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "94f26fcb8ffa0df1a8690c83a2046e7b0d9abd7abea14cf417624ab1ff4c3082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94f26fcb8ffa0df1a8690c83a2046e7b0d9abd7abea14cf417624ab1ff4c3082", kill_on_drop: false }` [INFO] [stdout] 94f26fcb8ffa0df1a8690c83a2046e7b0d9abd7abea14cf417624ab1ff4c3082