[INFO] fetching crate unused 0.1.0...
[INFO] checking unused-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate unused 0.1.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate unused 0.1.0 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 crates.io crate unused 0.1.0
[INFO] finished tweaking crates.io crate unused 0.1.0
[INFO] tweaked toml for crates.io crate unused 0.1.0 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 2b2231bce67e62fccbbfd48a4f7624b6d8f7f1d691fa517961a56a22cb4be18b
[INFO] running `Command { std: "docker" "start" "-a" "2b2231bce67e62fccbbfd48a4f7624b6d8f7f1d691fa517961a56a22cb4be18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b2231bce67e62fccbbfd48a4f7624b6d8f7f1d691fa517961a56a22cb4be18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b2231bce67e62fccbbfd48a4f7624b6d8f7f1d691fa517961a56a22cb4be18b", kill_on_drop: false }`
[INFO] [stdout] 2b2231bce67e62fccbbfd48a4f7624b6d8f7f1d691fa517961a56a22cb4be18b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 9c71903fea7406265f516f4c9a39a4daa44ebc26638e25b5fb39d7b9c2cdf6ec
[INFO] running `Command { std: "docker" "start" "-a" "9c71903fea7406265f516f4c9a39a4daa44ebc26638e25b5fb39d7b9c2cdf6ec", kill_on_drop: false }`
[INFO] [stderr]     Checking unused v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/contravariant.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/contravariant.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/covariant.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/covariant.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:28:15
[INFO] [stdout]    |
[INFO] [stdout] 28 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/invariant.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |         ^^^^^^--------------------^^^
[INFO] [stdout]    |         |     |
[INFO] [stdout]    |         |     any code following this expression is unreachable
[INFO] [stdout]    |         unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `end::End`, which is uninhabited
[INFO] [stdout]   --> src/invariant.rs:62:15
[INFO] [stdout]    |
[INFO] [stdout] 62 |         match self.inconstruable() {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "9c71903fea7406265f516f4c9a39a4daa44ebc26638e25b5fb39d7b9c2cdf6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c71903fea7406265f516f4c9a39a4daa44ebc26638e25b5fb39d7b9c2cdf6ec", kill_on_drop: false }`
[INFO] [stdout] 9c71903fea7406265f516f4c9a39a4daa44ebc26638e25b5fb39d7b9c2cdf6ec