[INFO] fetching crate sweeprs 0.2.0...
[INFO] testing sweeprs-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sweeprs 0.2.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate sweeprs 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sweeprs 0.2.0
[INFO] finished tweaking crates.io crate sweeprs 0.2.0
[INFO] tweaked toml for crates.io crate sweeprs 0.2.0 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a19cd467ad93a57838ecc06cd0253ace0eaa93e197a3b62a806205150addc03b
[INFO] running `Command { std: "docker" "start" "-a" "a19cd467ad93a57838ecc06cd0253ace0eaa93e197a3b62a806205150addc03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a19cd467ad93a57838ecc06cd0253ace0eaa93e197a3b62a806205150addc03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a19cd467ad93a57838ecc06cd0253ace0eaa93e197a3b62a806205150addc03b", kill_on_drop: false }`
[INFO] [stdout] a19cd467ad93a57838ecc06cd0253ace0eaa93e197a3b62a806205150addc03b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c313cbbfa7c5ae207c5571fe308371750280374d99f7b699c60f5036d3c2517e
[INFO] running `Command { std: "docker" "start" "-a" "c313cbbfa7c5ae207c5571fe308371750280374d99f7b699c60f5036d3c2517e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling sweeprs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.66s
[INFO] running `Command { std: "docker" "inspect" "c313cbbfa7c5ae207c5571fe308371750280374d99f7b699c60f5036d3c2517e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c313cbbfa7c5ae207c5571fe308371750280374d99f7b699c60f5036d3c2517e", kill_on_drop: false }`
[INFO] [stdout] c313cbbfa7c5ae207c5571fe308371750280374d99f7b699c60f5036d3c2517e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 685a11304d4bac001444ccc693ab3eb7bf48087b6f5aa16a7a3b8bad8f20318d
[INFO] running `Command { std: "docker" "start" "-a" "685a11304d4bac001444ccc693ab3eb7bf48087b6f5aa16a7a3b8bad8f20318d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sweeprs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "685a11304d4bac001444ccc693ab3eb7bf48087b6f5aa16a7a3b8bad8f20318d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685a11304d4bac001444ccc693ab3eb7bf48087b6f5aa16a7a3b8bad8f20318d", kill_on_drop: false }`
[INFO] [stdout] 685a11304d4bac001444ccc693ab3eb7bf48087b6f5aa16a7a3b8bad8f20318d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9fabfbc6d3fb97d686d0470695e3bab746552c78c95affe2ba360b27e47a9ca0
[INFO] running `Command { std: "docker" "start" "-a" "9fabfbc6d3fb97d686d0470695e3bab746552c78c95affe2ba360b27e47a9ca0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sweeprs-fad32a0770a9053a)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test board::tests::bot_left_nbr ... ok
[INFO] [stdout] test board::tests::bot_right_nbr ... ok
[INFO] [stdout] test board::tests::bot_nbr ... ok
[INFO] [stdout] test board::tests::dimension ... ok
[INFO] [stdout] test board::tests::left_nbr ... ok
[INFO] [stdout] test board::tests::new_board ... ok
[INFO] [stdout] test board::tests::init_board ... ok
[INFO] [stdout] test board::tests::out_of_bound ... ok
[INFO] [stdout] test board::tests::right_nbr ... ok
[INFO] [stdout] test board::tests::top_left_nbr ... ok
[INFO] [stdout] test board::tests::top_nbr ... ok
[INFO] [stdout] test cell::tests::flag_closed ... ok
[INFO] [stdout] test board::tests::open_cell ... ok
[INFO] [stdout] test cell::tests::flag_flagged ... ok
[INFO] [stdout] test board::tests::top_right_nbr ... ok
[INFO] [stdout] test cell::tests::flag_opened ... ok
[INFO] [stdout] test cell::tests::open_closed ... ok
[INFO] [stdout] test cell::tests::open_flagged ... ok
[INFO] [stdout] test cell::tests::open_opened ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sweeprs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error: expected identifier, found reserved identifier `_`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     _ => (),
[INFO] [stdout]    |     ^ expected identifier, found reserved identifier
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `(`, `,`, `.`, `::`, `?`, `}`, or an operator, found `=>`
[INFO] [stdout]   --> src/lib.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |     BoardState::Finished(BoardResult::Win) => println!("You win!").
[INFO] [stdout]    |                                            -- while parsing the `match` arm starting here
[INFO] [stdout] 12 |     _ => (),
[INFO] [stdout]    |       ^^ expected one of 7 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `Board` in the current scope
[INFO] [stdout]  --> src/lib.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut board = Board::new(9, 9, 10);
[INFO] [stdout]   |                        ^^^ function or associated item not found in `Board`
[INFO] [stdout]   |
[INFO] [stdout]   = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::sweeprs::SweeperBoard;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "9fabfbc6d3fb97d686d0470695e3bab746552c78c95affe2ba360b27e47a9ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fabfbc6d3fb97d686d0470695e3bab746552c78c95affe2ba360b27e47a9ca0", kill_on_drop: false }`
[INFO] [stdout] 9fabfbc6d3fb97d686d0470695e3bab746552c78c95affe2ba360b27e47a9ca0