[INFO] cloning repository https://github.com/matthias-margush/rhess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthias-margush/rhess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthias-margush%2Frhess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthias-margush%2Frhess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8814f9d7ba21c14c13ed57036e9d759d755b8659
[INFO] testing matthias-margush/rhess against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthias-margush%2Frhess" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthias-margush/rhess on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matthias-margush/rhess
[INFO] finished tweaking git repo https://github.com/matthias-margush/rhess
[INFO] tweaked toml for git repo https://github.com/matthias-margush/rhess written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/matthias-margush/rhess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59bbd39ad52401f7eddc7eddc3c2c0cbd516e5011fc871b0221ff1a5d79eaeeb
[INFO] running `Command { std: "docker" "start" "-a" "59bbd39ad52401f7eddc7eddc3c2c0cbd516e5011fc871b0221ff1a5d79eaeeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59bbd39ad52401f7eddc7eddc3c2c0cbd516e5011fc871b0221ff1a5d79eaeeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59bbd39ad52401f7eddc7eddc3c2c0cbd516e5011fc871b0221ff1a5d79eaeeb", kill_on_drop: false }`
[INFO] [stdout] 59bbd39ad52401f7eddc7eddc3c2c0cbd516e5011fc871b0221ff1a5d79eaeeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d782cdd9ce7a0297243a58fca5e9a55a64c9e28ec289100a87757f9df13cd9e
[INFO] running `Command { std: "docker" "start" "-a" "3d782cdd9ce7a0297243a58fca5e9a55a64c9e28ec289100a87757f9df13cd9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.0.1
[INFO] [stderr]    Compiling itertools v0.5.4
[INFO] [stderr]    Compiling rhess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             try!(write!(f, "{:?}\n", self.board[row]))
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'array_map'
[INFO] [stdout]  --> src/moves.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     [-2, 2].map()
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #75243 <https://github.com/rust-lang/rust/issues/75243> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/moves.rs:9:13
[INFO] [stdout]     |
[INFO] [stdout] 9   |     [-2, 2].map()
[INFO] [stdout]     |             ^^^- supplied 0 arguments
[INFO] [stdout]     |             |
[INFO] [stdout]     |             expected 1 argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/moves.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn possible_knight_moves(Position(i, j): Position) -> Vec<Position> {
[INFO] [stdout]   |                                                           ------------- expected `Vec<pieces::Position>` because of return type
[INFO] [stdout] 9 |     [-2, 2].map()
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     expected struct `Vec`, found array of 2 elements
[INFO] [stdout]   |     help: try using a conversion method: `[-2, 2].map().to_vec()`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected struct `Vec<pieces::Position>`
[INFO] [stdout]               found array `[_; 2]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rhess`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3d782cdd9ce7a0297243a58fca5e9a55a64c9e28ec289100a87757f9df13cd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d782cdd9ce7a0297243a58fca5e9a55a64c9e28ec289100a87757f9df13cd9e", kill_on_drop: false }`
[INFO] [stdout] 3d782cdd9ce7a0297243a58fca5e9a55a64c9e28ec289100a87757f9df13cd9e
