[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 master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielbitencourt%2Fold-lady-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gabrielbitencourt/old-lady-rust on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-0/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a7b00a76b2d07f79f7b1b49c1bac7a3d3db1c95462ca8abf035fdc7eab56190d [INFO] running `Command { std: "docker" "start" "-a" "a7b00a76b2d07f79f7b1b49c1bac7a3d3db1c95462ca8abf035fdc7eab56190d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7b00a76b2d07f79f7b1b49c1bac7a3d3db1c95462ca8abf035fdc7eab56190d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7b00a76b2d07f79f7b1b49c1bac7a3d3db1c95462ca8abf035fdc7eab56190d", kill_on_drop: false }` [INFO] [stdout] a7b00a76b2d07f79f7b1b49c1bac7a3d3db1c95462ca8abf035fdc7eab56190d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4afee22958570f4957305bacacd880e0331d630d637d411fcc82d66f3fd835f [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" "a4afee22958570f4957305bacacd880e0331d630d637d411fcc82d66f3fd835f", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking getrandom v0.1.15 [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] 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: 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] [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[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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a4afee22958570f4957305bacacd880e0331d630d637d411fcc82d66f3fd835f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4afee22958570f4957305bacacd880e0331d630d637d411fcc82d66f3fd835f", kill_on_drop: false }` [INFO] [stdout] a4afee22958570f4957305bacacd880e0331d630d637d411fcc82d66f3fd835f