[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] checking widmogrod/rust-playground against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwidmogrod%2Frust-playground" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/widmogrod/rust-playground on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-0/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3efb74b775929758c2a06c99325a0d13678b4fb2b5fd63221f94a1fecaaaea6c
[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" "3efb74b775929758c2a06c99325a0d13678b4fb2b5fd63221f94a1fecaaaea6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3efb74b775929758c2a06c99325a0d13678b4fb2b5fd63221f94a1fecaaaea6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3efb74b775929758c2a06c99325a0d13678b4fb2b5fd63221f94a1fecaaaea6c", kill_on_drop: false }`
[INFO] [stdout] 3efb74b775929758c2a06c99325a0d13678b4fb2b5fd63221f94a1fecaaaea6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f3b3e0f9795cf1110f1c35a71de48cca4187459d2c2de162e091c1100d01588
[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" "2f3b3e0f9795cf1110f1c35a71de48cca4187459d2c2de162e091c1100d01588", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] [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 dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "2f3b3e0f9795cf1110f1c35a71de48cca4187459d2c2de162e091c1100d01588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3b3e0f9795cf1110f1c35a71de48cca4187459d2c2de162e091c1100d01588", kill_on_drop: false }`
[INFO] [stdout] 2f3b3e0f9795cf1110f1c35a71de48cca4187459d2c2de162e091c1100d01588