[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-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielbitencourt%2Fold-lady-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gabrielbitencourt/old-lady-rust on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-6/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-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dedc580744b9d12a41dedf94ad0f35dbff5e3ace6c598967de45dce181d7bffb
[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" "dedc580744b9d12a41dedf94ad0f35dbff5e3ace6c598967de45dce181d7bffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dedc580744b9d12a41dedf94ad0f35dbff5e3ace6c598967de45dce181d7bffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedc580744b9d12a41dedf94ad0f35dbff5e3ace6c598967de45dce181d7bffb", kill_on_drop: false }`
[INFO] [stdout] dedc580744b9d12a41dedf94ad0f35dbff5e3ace6c598967de45dce181d7bffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", 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] ba806adba2125ad6b9e74e7a9eb11f9ffd079cce42664db3e3e0b53ab1b3ad48
[INFO] running `Command { std: "docker" "start" "-a" "ba806adba2125ad6b9e74e7a9eb11f9ffd079cce42664db3e3e0b53ab1b3ad48", kill_on_drop: false }`
[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::<bool>; 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<Vec<Option<bool>>>
[INFO] [stdout]    |                -------------------------- help: consider changing this to be mutable: `&'b mut Vec<Vec<Option<bool>>>`
[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` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ba806adba2125ad6b9e74e7a9eb11f9ffd079cce42664db3e3e0b53ab1b3ad48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba806adba2125ad6b9e74e7a9eb11f9ffd079cce42664db3e3e0b53ab1b3ad48", kill_on_drop: false }`
[INFO] [stdout] ba806adba2125ad6b9e74e7a9eb11f9ffd079cce42664db3e3e0b53ab1b3ad48
