[INFO] cloning repository https://github.com/Skezey/shopping_center
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Skezey/shopping_center" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkezey%2Fshopping_center", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkezey%2Fshopping_center'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5822825e970da611414595a3b55e41955fb97c4
[INFO] testing Skezey/shopping_center 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%2FSkezey%2Fshopping_center" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Skezey/shopping_center 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/Skezey/shopping_center
[INFO] finished tweaking git repo https://github.com/Skezey/shopping_center
[INFO] tweaked toml for git repo https://github.com/Skezey/shopping_center written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Skezey/shopping_center 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f00e1ca44272e369cbcddb62f3df2ee5b1ec65266031ca1564beeea53b0f9f92
[INFO] running `Command { std: "docker" "start" "-a" "f00e1ca44272e369cbcddb62f3df2ee5b1ec65266031ca1564beeea53b0f9f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00e1ca44272e369cbcddb62f3df2ee5b1ec65266031ca1564beeea53b0f9f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00e1ca44272e369cbcddb62f3df2ee5b1ec65266031ca1564beeea53b0f9f92", kill_on_drop: false }`
[INFO] [stdout] f00e1ca44272e369cbcddb62f3df2ee5b1ec65266031ca1564beeea53b0f9f92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] abc337a2148b05d109abea679302122c4efad747766afad3f6b4ec22a70348ff
[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" "abc337a2148b05d109abea679302122c4efad747766afad3f6b4ec22a70348ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling shopping_center v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `quantity`
[INFO] [stdout]   --> src/cart.rs:18:57
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn remove_from_cart(&mut self, item: &CartItem, quantity: f64) -> &Vec<CartItem> {
[INFO] [stdout]    |                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_quantity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "abc337a2148b05d109abea679302122c4efad747766afad3f6b4ec22a70348ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc337a2148b05d109abea679302122c4efad747766afad3f6b4ec22a70348ff", kill_on_drop: false }`
[INFO] [stdout] abc337a2148b05d109abea679302122c4efad747766afad3f6b4ec22a70348ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b136bd4ae95f689762a9576dc4b36d6173220a4f3ee0f9f1efa4aa1aef22c42
[INFO] running `Command { std: "docker" "start" "-a" "4b136bd4ae95f689762a9576dc4b36d6173220a4f3ee0f9f1efa4aa1aef22c42", kill_on_drop: false }`
[INFO] [stderr]    Compiling shopping_center v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `quantity`
[INFO] [stdout]   --> src/cart.rs:18:57
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn remove_from_cart(&mut self, item: &CartItem, quantity: f64) -> &Vec<CartItem> {
[INFO] [stdout]    |                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_quantity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "4b136bd4ae95f689762a9576dc4b36d6173220a4f3ee0f9f1efa4aa1aef22c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b136bd4ae95f689762a9576dc4b36d6173220a4f3ee0f9f1efa4aa1aef22c42", kill_on_drop: false }`
[INFO] [stdout] 4b136bd4ae95f689762a9576dc4b36d6173220a4f3ee0f9f1efa4aa1aef22c42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] cfdfa27bbe37baa74ddd14abacb166166e2a0bb1eb10a14147621768986f0420
[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" "cfdfa27bbe37baa74ddd14abacb166166e2a0bb1eb10a14147621768986f0420", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `quantity`
[INFO] [stderr]   --> src/cart.rs:18:57
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn remove_from_cart(&mut self, item: &CartItem, quantity: f64) -> &Vec<CartItem> {
[INFO] [stderr]    |                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_quantity`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shopping_center` (bin "shopping_center" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shopping_center-b93e09d1cb29bbae)
[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" "cfdfa27bbe37baa74ddd14abacb166166e2a0bb1eb10a14147621768986f0420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfdfa27bbe37baa74ddd14abacb166166e2a0bb1eb10a14147621768986f0420", kill_on_drop: false }`
[INFO] [stdout] cfdfa27bbe37baa74ddd14abacb166166e2a0bb1eb10a14147621768986f0420