[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#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielbitencourt%2Fold-lady-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gabrielbitencourt/old-lady-rust on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "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-2-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3aa14cb508a0c18b8be63388a49df13b48022d961a88915bfaf736cf85714fab [INFO] running `Command { std: "docker" "start" "-a" "3aa14cb508a0c18b8be63388a49df13b48022d961a88915bfaf736cf85714fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3aa14cb508a0c18b8be63388a49df13b48022d961a88915bfaf736cf85714fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3aa14cb508a0c18b8be63388a49df13b48022d961a88915bfaf736cf85714fab", kill_on_drop: false }` [INFO] [stdout] 3aa14cb508a0c18b8be63388a49df13b48022d961a88915bfaf736cf85714fab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 798d3f8cfc9700a345592e506cc12fe2a61f44634c60b318edd5c4cf459101c2 [INFO] running `Command { std: "docker" "start" "-a" "798d3f8cfc9700a345592e506cc12fe2a61f44634c60b318edd5c4cf459101c2", 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] 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] 45 | self.positions[row][col] = Some(side); [INFO] [stdout] | ^^^^^^^^^^^^^^ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 8 | positions: &'b mut Vec>> [INFO] [stdout] | +++ [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] 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[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] 45 | self.positions[row][col] = Some(side); [INFO] [stdout] | ^^^^^^^^^^^^^^ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 8 | positions: &'b mut Vec>> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `old-lady` (bin "old-lady" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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` (bin "old-lady") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "798d3f8cfc9700a345592e506cc12fe2a61f44634c60b318edd5c4cf459101c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "798d3f8cfc9700a345592e506cc12fe2a61f44634c60b318edd5c4cf459101c2", kill_on_drop: false }` [INFO] [stdout] 798d3f8cfc9700a345592e506cc12fe2a61f44634c60b318edd5c4cf459101c2