[INFO] fetching crate effective 0.3.1...
[INFO] checking effective-0.3.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate effective 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate effective 0.3.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate effective 0.3.1
[INFO] finished tweaking crates.io crate effective 0.3.1
[INFO] tweaked toml for crates.io crate effective 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 110a41c2f0b2e1e95014cb8d6c94a2a9b2997bb1773a4f212d5f9dd0c7c734e1
[INFO] running `Command { std: "docker" "start" "-a" "110a41c2f0b2e1e95014cb8d6c94a2a9b2997bb1773a4f212d5f9dd0c7c734e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "110a41c2f0b2e1e95014cb8d6c94a2a9b2997bb1773a4f212d5f9dd0c7c734e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110a41c2f0b2e1e95014cb8d6c94a2a9b2997bb1773a4f212d5f9dd0c7c734e1", kill_on_drop: false }`
[INFO] [stdout] 110a41c2f0b2e1e95014cb8d6c94a2a9b2997bb1773a4f212d5f9dd0c7c734e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a5a4b0da58bb9f0ab5435ed296b805aefd1dbeef03793c0366c1fc572f6392e
[INFO] running `Command { std: "docker" "start" "-a" "6a5a4b0da58bb9f0ab5435ed296b805aefd1dbeef03793c0366c1fc572f6392e", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking effective v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             EffectResult::Failure(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             EffectResult::Failure(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             EffectResult::Pending(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Blocking` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             EffectResult::Pending(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Blocking` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             EffectResult::Failure(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             EffectResult::Failure(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             EffectResult::Failure(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             EffectResult::Failure(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             EffectResult::Pending(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Blocking` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/blankets.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/blankets.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             EffectResult::Pending(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Blocking` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/blankets.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/impls/collect.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             EffectResult::Failure(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/impls/collect.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/impls/fold.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/impls/fold.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/impls/collect.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             EffectResult::Failure(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/impls/collect.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/impls/fold.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |                     EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/impls/for_each.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/impls/fold.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/impls/for_each.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/impls/mod.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |             EffectResult::Failure(_) => unreachable!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/impls/mod.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/impls/mod.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             EffectResult::Pending(_) => unimplemented!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Blocking` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/impls/mod.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/impls/mod.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |             EffectResult::Pending(_) => unimplemented!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Blocking` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/impls/mod.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |             EffectResult::Failure(_) => unreachable!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/impls/mod.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/impls/mod.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             EffectResult::Pending(_) => unimplemented!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Blocking` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/impls/mod.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |             EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/impls/mod.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |             EffectResult::Pending(_) => unimplemented!(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ matches no values because `Blocking` is uninhabited
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/wrappers/unfold.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/wrappers/unfold.rs:77:21
[INFO] [stdout]    |
[INFO] [stdout] 77 |                     EffectResult::Done(_) => unreachable!(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^ matches no values because `Single` is uninhabited
[INFO] [stdout]    |
[INFO] [stdout]    = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "6a5a4b0da58bb9f0ab5435ed296b805aefd1dbeef03793c0366c1fc572f6392e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5a4b0da58bb9f0ab5435ed296b805aefd1dbeef03793c0366c1fc572f6392e", kill_on_drop: false }`
[INFO] [stdout] 6a5a4b0da58bb9f0ab5435ed296b805aefd1dbeef03793c0366c1fc572f6392e