[INFO] cloning repository https://github.com/Mortal/blokus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mortal/blokus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortal%2Fblokus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortal%2Fblokus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e93dca7e806c4c308ac1a0f927646b1cf59eb234
[INFO] checking Mortal/blokus against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMortal%2Fblokus" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mortal/blokus on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mortal/blokus
[INFO] finished tweaking git repo https://github.com/Mortal/blokus
[INFO] tweaked toml for git repo https://github.com/Mortal/blokus written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Mortal/blokus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 120c4bd5edc7934d9f537e4dec76207e6cb18625b52b94c50ce56d5ed1f07340
[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" "120c4bd5edc7934d9f537e4dec76207e6cb18625b52b94c50ce56d5ed1f07340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "120c4bd5edc7934d9f537e4dec76207e6cb18625b52b94c50ce56d5ed1f07340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120c4bd5edc7934d9f537e4dec76207e6cb18625b52b94c50ce56d5ed1f07340", kill_on_drop: false }`
[INFO] [stdout] 120c4bd5edc7934d9f537e4dec76207e6cb18625b52b94c50ce56d5ed1f07340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 826c3994b30d7673369aac05ac9b3f4bae7d68f9074c1b62de06ec04cb98d802
[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" "826c3994b30d7673369aac05ac9b3f4bae7d68f9074c1b62de06ec04cb98d802", kill_on_drop: false }`
[INFO] [stderr]     Checking blokus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:274:29
[INFO] [stdout]     |
[INFO] [stdout] 274 |                     None => try!(write!(f, "\u{2591}\u{2591}")),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:275:32
[INFO] [stdout]     |
[INFO] [stdout] 275 |                     Some(c) => try!(write!(f, "\x1B[{}m\u{2588}\u{2588}\x1B[0m", 31 + c)),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |             try!(write!(f, "\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:274:29
[INFO] [stdout]     |
[INFO] [stdout] 274 |                     None => try!(write!(f, "\u{2591}\u{2591}")),
[INFO] [stdout]     |                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:275:32
[INFO] [stdout]     |
[INFO] [stdout] 275 |                     Some(c) => try!(write!(f, "\x1B[{}m\u{2588}\u{2588}\x1B[0m", 31 + c)),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |             try!(write!(f, "\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/board.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let a = if first < margin { 0 } else { first - margin };
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/board.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let b = (last + margin + 1).min(self.flags.len());
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/board.rs:105:75
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let translations = v.translations(board_width, board_height).map(|(o, p)| o).collect::<Vec<_>>();
[INFO] [stdout]     |                                                                           ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/board.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let a = if first < margin { 0 } else { first - margin };
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/board.rs:250:13
[INFO] [stdout]     |
[INFO] [stdout] 250 |         let b = (last + margin + 1).min(self.flags.len());
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "826c3994b30d7673369aac05ac9b3f4bae7d68f9074c1b62de06ec04cb98d802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826c3994b30d7673369aac05ac9b3f4bae7d68f9074c1b62de06ec04cb98d802", kill_on_drop: false }`
[INFO] [stdout] 826c3994b30d7673369aac05ac9b3f4bae7d68f9074c1b62de06ec04cb98d802