[INFO] cloning repository https://github.com/dump247/cardsim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dump247/cardsim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdump247%2Fcardsim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdump247%2Fcardsim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f12eff0043e98de07903eb6a3d3faa0c9195722e
[INFO] testing dump247/cardsim against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdump247%2Fcardsim" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dump247/cardsim on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dump247/cardsim
[INFO] finished tweaking git repo https://github.com/dump247/cardsim
[INFO] tweaked toml for git repo https://github.com/dump247/cardsim written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/dump247/cardsim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 544886ea199fdf26ba77bb3f8849567c5d53100e43d158be0425b65d8f06d7a6
[INFO] running `Command { std: "docker" "start" "-a" "544886ea199fdf26ba77bb3f8849567c5d53100e43d158be0425b65d8f06d7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "544886ea199fdf26ba77bb3f8849567c5d53100e43d158be0425b65d8f06d7a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544886ea199fdf26ba77bb3f8849567c5d53100e43d158be0425b65d8f06d7a6", kill_on_drop: false }`
[INFO] [stdout] 544886ea199fdf26ba77bb3f8849567c5d53100e43d158be0425b65d8f06d7a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95ddf0504aba1d1121d41287a8202acb38bcb028b97710ac35c8ec7297d181ef
[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" "95ddf0504aba1d1121d41287a8202acb38bcb028b97710ac35c8ec7297d181ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling solitairesim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> src/cards/french.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 |     SUITS.into_iter()
[INFO] [stdout]    |           ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> src/cards/french.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 |     RANKS.into_iter()
[INFO] [stdout]    |           ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "95ddf0504aba1d1121d41287a8202acb38bcb028b97710ac35c8ec7297d181ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ddf0504aba1d1121d41287a8202acb38bcb028b97710ac35c8ec7297d181ef", kill_on_drop: false }`
[INFO] [stdout] 95ddf0504aba1d1121d41287a8202acb38bcb028b97710ac35c8ec7297d181ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 120e98d078c91d69e4a28dcee4b6c81ce88df2fec91c1f7fe7d0e99c20764b81
[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" "120e98d078c91d69e4a28dcee4b6c81ce88df2fec91c1f7fe7d0e99c20764b81", kill_on_drop: false }`
[INFO] [stderr]    Compiling solitairesim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> src/cards/french.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 |     SUITS.into_iter()
[INFO] [stdout]    |           ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> src/cards/french.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 |     RANKS.into_iter()
[INFO] [stdout]    |           ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "120e98d078c91d69e4a28dcee4b6c81ce88df2fec91c1f7fe7d0e99c20764b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120e98d078c91d69e4a28dcee4b6c81ce88df2fec91c1f7fe7d0e99c20764b81", kill_on_drop: false }`
[INFO] [stdout] 120e98d078c91d69e4a28dcee4b6c81ce88df2fec91c1f7fe7d0e99c20764b81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba9f53e410392a66f9be5aec009dae7ae4765c7616881eacad1caca0f591e52f
[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" "ba9f53e410392a66f9be5aec009dae7ae4765c7616881eacad1caca0f591e52f", kill_on_drop: false }`
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/cards/french.rs:31:11
[INFO] [stderr]    |
[INFO] [stderr] 31 |     SUITS.into_iter()
[INFO] [stderr]    |           ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> src/cards/french.rs:59:11
[INFO] [stderr]    |
[INFO] [stderr] 59 |     RANKS.into_iter()
[INFO] [stderr]    |           ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/solitairesim-da18c665fc2d3fd5
[INFO] [stdout] 
[INFO] [stdout] running 54 tests
[INFO] [stdout] test cards::french::test::test_new_french_playing_card ... ok
[INFO] [stdout] test cards::french::test::test_new_standard_deck ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::draw3_with_seven_cards ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::draw_when_empty ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::draw1_with_single_card ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::from_empty ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::from ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::pop_when_empty ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::reset ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::new_deck ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::pop_with_seven_cards_draw3 ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::top ... ok
[INFO] [stdout] test games::solitaire::klondike::test::foundation::foundation_push ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::from_max_cards ... ok
[INFO] [stdout] test games::solitaire::klondike::test::foundation::new_full ... ok
[INFO] [stdout] test games::solitaire::klondike::test::foundation::from_none ... ok
[INFO] [stdout] test games::solitaire::klondike::test::foundation::new_foundation ... ok
[INFO] [stdout] test games::solitaire::klondike::test::foundation::from ... ok
[INFO] [stdout] test games::solitaire::klondike::test::game::from_clear ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::can_push_nothing_with_ace ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::can_push_black_with_red_visible ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::can_push_red_with_black_visible ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_empty ... ok
[INFO] [stdout] test games::solitaire::klondike::test::game::from_new ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::can_push_king_with_empty_pile ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_empty_hidden_one_visible ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_empty_hidden_mult_visible ... ok
[INFO] [stdout] test games::solitaire::klondike::test::game::new ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::move_to_full ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::move_to_with_empty_piles ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_mult_hidden_mult_visible ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::len ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::move_to_with_empty_target_and_king ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::move_to_partial ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::new_pile ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::move_to_with_incompatible_piles ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::move_to_with_empty_target_and_non_king ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::pop ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::move_to_with_source_empty ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::pop_on_empty ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::push_changes_next_card ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::move_to_with_one_card ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::visible_and_hidden_cards ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::top ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::from_error_duplicate_card ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::from_error_too_many_visible ... ok
[INFO] [stdout] test games::solitaire::klondike::test::deck::from_error_too_many_cards ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_error_duplicate_cards ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_error_invalid_visible_color ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_error_duplicate_cards3 ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_error_when_empty_visible ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_error_invalid_visible_rank ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_error_when_too_many_hidden ... ok
[INFO] [stdout] test games::solitaire::klondike::test::pile::from_error_duplicate_cards2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 54 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba9f53e410392a66f9be5aec009dae7ae4765c7616881eacad1caca0f591e52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9f53e410392a66f9be5aec009dae7ae4765c7616881eacad1caca0f591e52f", kill_on_drop: false }`
[INFO] [stdout] ba9f53e410392a66f9be5aec009dae7ae4765c7616881eacad1caca0f591e52f