[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] testing gabrielbitencourt/old-lady-rust against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielbitencourt%2Fold-lady-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gabrielbitencourt/old-lady-rust on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 736fcbd61407c935c52e88083d9905f7ea5488e25bdc062c54d2a94513c78bb9 [INFO] running `Command { std: "docker" "start" "-a" "736fcbd61407c935c52e88083d9905f7ea5488e25bdc062c54d2a94513c78bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "736fcbd61407c935c52e88083d9905f7ea5488e25bdc062c54d2a94513c78bb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "736fcbd61407c935c52e88083d9905f7ea5488e25bdc062c54d2a94513c78bb9", kill_on_drop: false }` [INFO] [stdout] 736fcbd61407c935c52e88083d9905f7ea5488e25bdc062c54d2a94513c78bb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78a985e3583e45d24c3794daa2d4788603e031e5a340c0ce101f6330835ca744 [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" "78a985e3583e45d24c3794daa2d4788603e031e5a340c0ce101f6330835ca744", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling 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] running `Command { std: "docker" "inspect" "78a985e3583e45d24c3794daa2d4788603e031e5a340c0ce101f6330835ca744", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78a985e3583e45d24c3794daa2d4788603e031e5a340c0ce101f6330835ca744", kill_on_drop: false }` [INFO] [stdout] 78a985e3583e45d24c3794daa2d4788603e031e5a340c0ce101f6330835ca744