[INFO] cloning repository https://github.com/sophiecollard/recipe-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sophiecollard/recipe-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsophiecollard%2Frecipe-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsophiecollard%2Frecipe-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 832e7c87a56af1e6fdcf780842003d226033650e
[INFO] checking sophiecollard/recipe-app against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsophiecollard%2Frecipe-app" "/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/sophiecollard/recipe-app on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sophiecollard/recipe-app
[INFO] finished tweaking git repo https://github.com/sophiecollard/recipe-app
[INFO] tweaked toml for git repo https://github.com/sophiecollard/recipe-app written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/sophiecollard/recipe-app already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fc091c386e75dd835944a44749dd5a7f97e6aa917b4f1b1b8f99d94645354d8
[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" "9fc091c386e75dd835944a44749dd5a7f97e6aa917b4f1b1b8f99d94645354d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fc091c386e75dd835944a44749dd5a7f97e6aa917b4f1b1b8f99d94645354d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc091c386e75dd835944a44749dd5a7f97e6aa917b4f1b1b8f99d94645354d8", kill_on_drop: false }`
[INFO] [stdout] 9fc091c386e75dd835944a44749dd5a7f97e6aa917b4f1b1b8f99d94645354d8
[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=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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2556ae9727d0f3d5e14e137f87237edf33f97677eb0a906cdcf833d6ec3c32d8
[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" "2556ae9727d0f3d5e14e137f87237edf33f97677eb0a906cdcf833d6ec3c32d8", kill_on_drop: false }`
[INFO] [stderr]     Checking recipe_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ingredients`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut ingredients: Vec<Ingredient> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ingredients`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recipes`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut recipes: Vec<Recipe> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recipes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut ingredients: Vec<Ingredient> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut recipes: Vec<Recipe> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ingredients`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut ingredients: Vec<Ingredient> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ingredients`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recipes`
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut recipes: Vec<Recipe> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recipes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/ingredient.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     id: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/ingredient.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/ingredient.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(id: u32, name: &str) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Gram`
[INFO] [stdout]  --> src/quantity/units.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Gram,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kilogram`
[INFO] [stdout]  --> src/quantity/units.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Kilogram,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Millilitre`
[INFO] [stdout]  --> src/quantity/units.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Millilitre,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Litre`
[INFO] [stdout]  --> src/quantity/units.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Litre,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mass`
[INFO] [stdout]  --> src/quantity.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Mass(f64, units::MassUnit),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Volume`
[INFO] [stdout]  --> src/quantity.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Volume(f64, units::VolumeUnit),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/recipe.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     id: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/recipe.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ingredients`
[INFO] [stdout]  --> src/recipe.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ingredients: Vec<(Ingredient, Quantity)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/recipe.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(id: u32, name: &str, ingredients: Vec<(Ingredient, Quantity)>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut ingredients: Vec<Ingredient> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut recipes: Vec<Recipe> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/ingredient.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     id: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/ingredient.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/ingredient.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new(id: u32, name: &str) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Gram`
[INFO] [stdout]  --> src/quantity/units.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Gram,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Kilogram`
[INFO] [stdout]  --> src/quantity/units.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Kilogram,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Millilitre`
[INFO] [stdout]  --> src/quantity/units.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Millilitre,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Litre`
[INFO] [stdout]  --> src/quantity/units.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Litre,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mass`
[INFO] [stdout]  --> src/quantity.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Mass(f64, units::MassUnit),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Volume`
[INFO] [stdout]  --> src/quantity.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Volume(f64, units::VolumeUnit),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/recipe.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     id: u32,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/recipe.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ingredients`
[INFO] [stdout]  --> src/recipe.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ingredients: Vec<(Ingredient, Quantity)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/recipe.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(id: u32, name: &str, ingredients: Vec<(Ingredient, Quantity)>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "2556ae9727d0f3d5e14e137f87237edf33f97677eb0a906cdcf833d6ec3c32d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2556ae9727d0f3d5e14e137f87237edf33f97677eb0a906cdcf833d6ec3c32d8", kill_on_drop: false }`
[INFO] [stdout] 2556ae9727d0f3d5e14e137f87237edf33f97677eb0a906cdcf833d6ec3c32d8