[INFO] fetching crate sweeprs 0.2.0...
[INFO] testing sweeprs-0.2.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate sweeprs 0.2.0 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sweeprs 0.2.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to highest compatible versions
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de
[INFO] running `Command { std: "docker" "start" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.60
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling sweeprs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.59s
[INFO] running `Command { std: "docker" "inspect" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling sweeprs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sweeprs-de616ba40761c101)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test board::tests::bot_left_nbr ... ok
[INFO] [stdout] test board::tests::left_nbr ... ok
[INFO] [stdout] test board::tests::top_nbr ... ok
[INFO] [stdout] test cell::tests::flag_closed ... ok
[INFO] [stdout] test board::tests::top_right_nbr ... ok
[INFO] [stdout] test cell::tests::flag_flagged ... ok
[INFO] [stdout] test cell::tests::open_closed ... ok
[INFO] [stdout] test cell::tests::flag_opened ... ok
[INFO] [stdout] test board::tests::out_of_bound ... ok
[INFO] [stdout] test cell::tests::open_opened ... ok
[INFO] [stdout] test board::tests::open_cell ... ok
[INFO] [stdout] test cell::tests::open_flagged ... ok
[INFO] [stdout] test board::tests::dimension ... ok
[INFO] [stdout] test board::tests::top_left_nbr ... ok
[INFO] [stdout] test board::tests::init_board ... ok
[INFO] [stdout] test board::tests::new_board ... ok
[INFO] [stdout] test board::tests::bot_right_nbr ... ok
[INFO] [stdout] test board::tests::right_nbr ... ok
[INFO] [stdout] test board::tests::bot_nbr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     _ => (),
[INFO] [stdout]    |     ^ expected identifier, found reserved identifier
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `(`, `,`, `.`, `::`, `?`, `}`, or an operator, found `=>`
[INFO] [stdout]   --> src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 |     _ => (),
[INFO] [stdout]    |       ^^ expected one of 7 possible tokens
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `new` found for struct `Board` in the current scope
[INFO] [stdout]  --> src/lib.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | let mut board = Board::new(9, 9, 10);
[INFO] [stdout]   |                        ^^^ associated function or constant 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: trait `SweeperBoard` which provides `new` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]   |
[INFO] [stdout] 4 + 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 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de", kill_on_drop: false }`
[INFO] [stdout] a8c79804c161ccf296ed0789114c92c8f8fff7d3cae8dcdad3517368cda5f2de
