[INFO] cloning repository https://github.com/widmogrod/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/widmogrod/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwidmogrod%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwidmogrod%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55d83ce6e3003ca60ae90b8989a771a7f2ce0770
[INFO] testing widmogrod/rust-playground against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwidmogrod%2Frust-playground" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/widmogrod/rust-playground 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 git repo https://github.com/widmogrod/rust-playground
[INFO] finished tweaking git repo https://github.com/widmogrod/rust-playground
[INFO] tweaked toml for git repo https://github.com/widmogrod/rust-playground written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/widmogrod/rust-playground already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 99ebfb0c8f19767105e1a6839a01d3bf04848f3da4fd484198701dc2a75ae17d
[INFO] running `Command { std: "docker" "start" "-a" "99ebfb0c8f19767105e1a6839a01d3bf04848f3da4fd484198701dc2a75ae17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99ebfb0c8f19767105e1a6839a01d3bf04848f3da4fd484198701dc2a75ae17d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ebfb0c8f19767105e1a6839a01d3bf04848f3da4fd484198701dc2a75ae17d", kill_on_drop: false }`
[INFO] [stdout] 99ebfb0c8f19767105e1a6839a01d3bf04848f3da4fd484198701dc2a75ae17d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 219f9e21c68e49371ddae7a24296e33e27ede93f3e3ee903f2ab19531945d22e
[INFO] running `Command { std: "docker" "start" "-a" "219f9e21c68e49371ddae7a24296e33e27ede93f3e3ee903f2ab19531945d22e", kill_on_drop: false }`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `EmptyCart`
[INFO] [stdout]   --> src/ply/ddd.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     EmptyCart,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ActiveCart`
[INFO] [stdout]   --> src/ply/ddd.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ActiveCart(UnpayedItems),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PaidCart`
[INFO] [stdout]   --> src/ply/ddd.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     PaidCart(PayedItems, PaymentMethod)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_cart`
[INFO] [stdout]   --> src/ply/ddd.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn new_cart()  -> ShoppingCart {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `items_in_cart`
[INFO] [stdout]   --> src/ply/ddd.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn items_in_cart(c: ShoppingCart)  -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_to_cart`
[INFO] [stdout]   --> src/ply/ddd.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_to_cart(c: ShoppingCart, i: Item) -> ShoppingCart {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "219f9e21c68e49371ddae7a24296e33e27ede93f3e3ee903f2ab19531945d22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219f9e21c68e49371ddae7a24296e33e27ede93f3e3ee903f2ab19531945d22e", kill_on_drop: false }`
[INFO] [stdout] 219f9e21c68e49371ddae7a24296e33e27ede93f3e3ee903f2ab19531945d22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 112374f0a328507c73133be503c05757b9b11781af590af58daf37a446a631cc
[INFO] running `Command { std: "docker" "start" "-a" "112374f0a328507c73133be503c05757b9b11781af590af58daf37a446a631cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: variant is never constructed: `EmptyCart`
[INFO] [stdout]   --> src/ply/ddd.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     EmptyCart,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `ActiveCart`
[INFO] [stdout]   --> src/ply/ddd.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ActiveCart(UnpayedItems),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PaidCart`
[INFO] [stdout]   --> src/ply/ddd.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     PaidCart(PayedItems, PaymentMethod)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_cart`
[INFO] [stdout]   --> src/ply/ddd.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn new_cart()  -> ShoppingCart {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `items_in_cart`
[INFO] [stdout]   --> src/ply/ddd.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn items_in_cart(c: ShoppingCart)  -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_to_cart`
[INFO] [stdout]   --> src/ply/ddd.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn add_to_cart(c: ShoppingCart, i: Item) -> ShoppingCart {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PaidCart`
[INFO] [stdout]   --> src/ply/ddd.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     PaidCart(PayedItems, PaymentMethod)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `items_in_cart`
[INFO] [stdout]   --> src/ply/ddd.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn items_in_cart(c: ShoppingCart)  -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "112374f0a328507c73133be503c05757b9b11781af590af58daf37a446a631cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112374f0a328507c73133be503c05757b9b11781af590af58daf37a446a631cc", kill_on_drop: false }`
[INFO] [stdout] 112374f0a328507c73133be503c05757b9b11781af590af58daf37a446a631cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a37c27379482de14c84f764bf483156b07acfd73107f70a2fc0c4f2b9d9d7b81
[INFO] running `Command { std: "docker" "start" "-a" "a37c27379482de14c84f764bf483156b07acfd73107f70a2fc0c4f2b9d9d7b81", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `EmptyCart`
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/ply/ddd.rs:17:5
[INFO] [stdout] test ply::combinators::tests::test_priv ... ok
[INFO] [stderr]    |
[INFO] [stdout] test ply::ddd::tests::it_works ... ok
[INFO] [stderr] 17 |     EmptyCart,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ActiveCart`
[INFO] [stderr]   --> src/ply/ddd.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ActiveCart(UnpayedItems),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PaidCart`
[INFO] [stderr]   --> src/ply/ddd.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     PaidCart(PayedItems, PaymentMethod)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_cart`
[INFO] [stderr]   --> src/ply/ddd.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn new_cart()  -> ShoppingCart {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `items_in_cart`
[INFO] [stderr]   --> src/ply/ddd.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn items_in_cart(c: ShoppingCart)  -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_to_cart`
[INFO] [stderr]   --> src/ply/ddd.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn add_to_cart(c: ShoppingCart, i: Item) -> ShoppingCart {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `playground` (lib) generated 6 warnings
[INFO] [stderr] warning: variant is never constructed: `PaidCart`
[INFO] [stderr]   --> src/ply/ddd.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     PaidCart(PayedItems, PaymentMethod)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `playground` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/playground-0a21a841f9301cf5)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_ply.rs (/opt/rustwide/target/debug/deps/integration_ply-b5ba24b30449a526)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_identity ... ok
[INFO] [stdout] test test_trush ... ok
[INFO] [stdout] test test_flip ... ok
[INFO] [stdout] test test_apply ... ok
[INFO] [stdout] test test_compose ... ok
[INFO] [stderr]    Doc-tests playground
[INFO] [stdout] test test_constt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a37c27379482de14c84f764bf483156b07acfd73107f70a2fc0c4f2b9d9d7b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37c27379482de14c84f764bf483156b07acfd73107f70a2fc0c4f2b9d9d7b81", kill_on_drop: false }`
[INFO] [stdout] a37c27379482de14c84f764bf483156b07acfd73107f70a2fc0c4f2b9d9d7b81