[INFO] cloning repository widmogrod/rust-playground
[INFO] running `"git" "clone" "--bare" "git://github.com/widmogrod/rust-playground.git" "work/cache/sources/gh/widmogrod/rust-playground"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/widmogrod/rust-playground'...
[INFO] running `"git" "clone" "work/cache/sources/gh/widmogrod/rust-playground" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/widmogrod/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/widmogrod/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/widmogrod/rust-playground" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/widmogrod/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/widmogrod/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55d83ce6e3003ca60ae90b8989a771a7f2ce0770
[INFO] sha for GitHub repo widmogrod/rust-playground: 55d83ce6e3003ca60ae90b8989a771a7f2ce0770
[INFO] validating manifest of widmogrod/rust-playground on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of widmogrod/rust-playground on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing widmogrod/rust-playground
[INFO] finished frobbing widmogrod/rust-playground
[INFO] frobbed toml for widmogrod/rust-playground written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/widmogrod/rust-playground/Cargo.toml
[INFO] started frobbing widmogrod/rust-playground
[INFO] finished frobbing widmogrod/rust-playground
[INFO] frobbed toml for widmogrod/rust-playground written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/widmogrod/rust-playground/Cargo.toml
[INFO] crate widmogrod/rust-playground has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking widmogrod/rust-playground against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-7/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/widmogrod/rust-playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 53f32b99ea44c639835a0ea3894e89268c3d88c479d9908c8a94998afc0a3737
[INFO] running `"docker" "start" "-a" "53f32b99ea44c639835a0ea3894e89268c3d88c479d9908c8a94998afc0a3737"`
[INFO] [stderr]     Checking playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `EmptyCart`
[INFO] [stderr]   --> src/ply/ddd.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     EmptyCart,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[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:26:1
[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:30:1
[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:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn add_to_cart(c: ShoppingCart, i: Item) -> ShoppingCart {
[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]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `items_in_cart`
[INFO] [stderr]   --> src/ply/ddd.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn items_in_cart(c: ShoppingCart)  -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "53f32b99ea44c639835a0ea3894e89268c3d88c479d9908c8a94998afc0a3737"`
[INFO] running `"docker" "rm" "-f" "53f32b99ea44c639835a0ea3894e89268c3d88c479d9908c8a94998afc0a3737"`
[INFO] [stdout] 53f32b99ea44c639835a0ea3894e89268c3d88c479d9908c8a94998afc0a3737