[INFO] fetching crate deckofcards 0.4.0...
[INFO] testing deckofcards-0.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate deckofcards 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate deckofcards 0.4.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deckofcards 0.4.0
[INFO] finished tweaking crates.io crate deckofcards 0.4.0
[INFO] tweaked toml for crates.io crate deckofcards 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate deckofcards 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] e58e91e8079e16a2d7fef3c63b170fe5c87a69304bb3c8c193e44ba2b0eb9d4d
[INFO] running `Command { std: "docker" "start" "-a" "e58e91e8079e16a2d7fef3c63b170fe5c87a69304bb3c8c193e44ba2b0eb9d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e58e91e8079e16a2d7fef3c63b170fe5c87a69304bb3c8c193e44ba2b0eb9d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58e91e8079e16a2d7fef3c63b170fe5c87a69304bb3c8c193e44ba2b0eb9d4d", kill_on_drop: false }`
[INFO] [stdout] e58e91e8079e16a2d7fef3c63b170fe5c87a69304bb3c8c193e44ba2b0eb9d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 3ac84f539847163473abf0d07f368bc5e6807bb5e07655c970c7f9990f4e720d
[INFO] running `Command { std: "docker" "start" "-a" "3ac84f539847163473abf0d07f368bc5e6807bb5e07655c970c7f9990f4e720d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling deckofcards v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "3ac84f539847163473abf0d07f368bc5e6807bb5e07655c970c7f9990f4e720d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac84f539847163473abf0d07f368bc5e6807bb5e07655c970c7f9990f4e720d", kill_on_drop: false }`
[INFO] [stdout] 3ac84f539847163473abf0d07f368bc5e6807bb5e07655c970c7f9990f4e720d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] 62944975e8c91afb054d236190db81aa9867d96e90a68ffc1f70952356dd41d7
[INFO] running `Command { std: "docker" "start" "-a" "62944975e8c91afb054d236190db81aa9867d96e90a68ffc1f70952356dd41d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling deckofcards v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.32s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/deckofcards-4e36c70e22800a19)
[INFO] running `Command { std: "docker" "inspect" "62944975e8c91afb054d236190db81aa9867d96e90a68ffc1f70952356dd41d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62944975e8c91afb054d236190db81aa9867d96e90a68ffc1f70952356dd41d7", kill_on_drop: false }`
[INFO] [stdout] 62944975e8c91afb054d236190db81aa9867d96e90a68ffc1f70952356dd41d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a311e3d95d3759f48be38b152048866b8440a6a192922b2d5969772cfac06a5
[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" "3a311e3d95d3759f48be38b152048866b8440a6a192922b2d5969772cfac06a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deckofcards-4e36c70e22800a19)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test tests::card_all_cards ... ok
[INFO] [stdout] test tests::card_from_str ... ok
[INFO] [stdout] test tests::card_equality ... ok
[INFO] [stdout] test tests::card_to_str ... ok
[INFO] [stdout] test tests::deck_dealt_cards ... ok
[INFO] [stdout] test tests::hand_cards_of_rank ... ok
[INFO] [stdout] test tests::hand_cards_of_suit ... ok
[INFO] [stdout] test tests::deck_clone ... ok
[INFO] [stdout] test tests::hand_sort ... ok
[INFO] [stdout] test tests::deck_reset ... ok
[INFO] [stdout] test tests::deck_unique ... ok
[INFO] [stdout] test tests::hand_combine_hands ... ok
[INFO] [stdout] test tests::deck_count ... ok
[INFO] [stdout] test tests::deck_shuffle_new_order ... ok
[INFO] [stdout] test tests::hand_sort_shuffle_deck ... ok
[INFO] [stdout] test tests::rank_to_str ... ok
[INFO] [stdout] test tests::rank_char ... ok
[INFO] [stdout] test tests::deck_shuffle_same_cards ... ok
[INFO] [stdout] test tests::suit_to_str ... ok
[INFO] [stdout] test tests::remove_cards_from_hand ... ok
[INFO] [stdout] test tests::suit_sort ... ok
[INFO] [stdout] test tests::suit_iter ... ok
[INFO] [stdout] test tests::suit_char ... ok
[INFO] [stdout] test tests::rank_sort ... ok
[INFO] [stdout] test cards::test_shuffle ... ok
[INFO] [stdout] test tests::rank_iter ... ok
[INFO] [stdout] test tests::rank_cmp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deckofcards
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/card.rs - card::Card (line 14) ... ok
[INFO] [stdout] test src/lib.rs - card (line 8) ... ok
[INFO] [stdout] test src/lib.rs - combine_hands (line 61) ... ok
[INFO] [stdout] test src/lib.rs - hand (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a311e3d95d3759f48be38b152048866b8440a6a192922b2d5969772cfac06a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a311e3d95d3759f48be38b152048866b8440a6a192922b2d5969772cfac06a5", kill_on_drop: false }`
[INFO] [stdout] 3a311e3d95d3759f48be38b152048866b8440a6a192922b2d5969772cfac06a5