[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] checking Skezey/shopping_center against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkezey%2Fshopping_center" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Skezey/shopping_center on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-63/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28bd38b480f1eea0c27830de1f04be0561dbb5a6452045e05b7aa5f7af381023
[INFO] running `Command { std: "docker" "start" "-a" "28bd38b480f1eea0c27830de1f04be0561dbb5a6452045e05b7aa5f7af381023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28bd38b480f1eea0c27830de1f04be0561dbb5a6452045e05b7aa5f7af381023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28bd38b480f1eea0c27830de1f04be0561dbb5a6452045e05b7aa5f7af381023", kill_on_drop: false }`
[INFO] [stdout] 28bd38b480f1eea0c27830de1f04be0561dbb5a6452045e05b7aa5f7af381023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c5d1fcf4f25c9fdf5d0ed96bd8061e5f7f07b0b7f95fb33c83f599a916b2ccf
[INFO] running `Command { std: "docker" "start" "-a" "4c5d1fcf4f25c9fdf5d0ed96bd8061e5f7f07b0b7f95fb33c83f599a916b2ccf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "4c5d1fcf4f25c9fdf5d0ed96bd8061e5f7f07b0b7f95fb33c83f599a916b2ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5d1fcf4f25c9fdf5d0ed96bd8061e5f7f07b0b7f95fb33c83f599a916b2ccf", kill_on_drop: false }`
[INFO] [stdout] 4c5d1fcf4f25c9fdf5d0ed96bd8061e5f7f07b0b7f95fb33c83f599a916b2ccf