[INFO] fetching crate append_db 0.3.2...
[INFO] checking append_db-0.3.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate append_db 0.3.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate append_db 0.3.2 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate append_db 0.3.2
[INFO] finished tweaking crates.io crate append_db 0.3.2
[INFO] tweaked toml for crates.io crate append_db 0.3.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stm-core v0.4.0
[INFO] [stderr]   Downloaded parking_lot v0.5.5
[INFO] [stderr]   Downloaded parking_lot_core v0.2.14
[INFO] [stderr]   Downloaded stm v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41c6881f98b606641070b4d790ede74beb15d2da7d8629efa1c2db6837274dc9
[INFO] running `Command { std: "docker" "start" "-a" "41c6881f98b606641070b4d790ede74beb15d2da7d8629efa1c2db6837274dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41c6881f98b606641070b4d790ede74beb15d2da7d8629efa1c2db6837274dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c6881f98b606641070b4d790ede74beb15d2da7d8629efa1c2db6837274dc9", kill_on_drop: false }`
[INFO] [stdout] 41c6881f98b606641070b4d790ede74beb15d2da7d8629efa1c2db6837274dc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63f0b17f78eaf410fbc29838ae1c030f9b585261cc986c4bc33e42a47586f521
[INFO] running `Command { std: "docker" "start" "-a" "63f0b17f78eaf410fbc29838ae1c030f9b585261cc986c4bc33e42a47586f521", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking stm-core v0.4.0
[INFO] [stderr]     Checking stm v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking append_db v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/db.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::Sync;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/db.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::Sync;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `State0` is not a future
[INFO] [stdout]   --> src/lib.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |         assert_eq!(db.get().await.deref(), &state0);
[INFO] [stdout]    |                            -^^^^^
[INFO] [stdout]    |                            ||
[INFO] [stdout]    |                            |`State0` is not a future
[INFO] [stdout]    |                            help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `State0`, which is required by `State0: IntoFuture`
[INFO] [stdout]    = note: State0 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `State0` to implement `IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `State0` is not a future
[INFO] [stdout]   --> src/lib.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |         assert_eq!(db.get().await.deref().field, 43);
[INFO] [stdout]    |                            -^^^^^
[INFO] [stdout]    |                            ||
[INFO] [stdout]    |                            |`State0` is not a future
[INFO] [stdout]    |                            help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `State0`, which is required by `State0: IntoFuture`
[INFO] [stdout]    = note: State0 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `State0` to implement `IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `State0` is not a future
[INFO] [stdout]   --> src/lib.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |         assert_eq!(db.get().await.deref().field, 4);
[INFO] [stdout]    |                            -^^^^^
[INFO] [stdout]    |                            ||
[INFO] [stdout]    |                            |`State0` is not a future
[INFO] [stdout]    |                            help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `State0`, which is required by `State0: IntoFuture`
[INFO] [stdout]    = note: State0 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `State0` to implement `IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `State0` is not a future
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |         assert_eq!(db.get().await.deref().field, 4);
[INFO] [stdout]    |                            -^^^^^
[INFO] [stdout]    |                            ||
[INFO] [stdout]    |                            |`State0` is not a future
[INFO] [stdout]    |                            help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `State0`, which is required by `State0: IntoFuture`
[INFO] [stdout]    = note: State0 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `State0` to implement `IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `State0` is not a future
[INFO] [stdout]   --> src/lib.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |         assert_eq!(db.get().await.deref().field, 4);
[INFO] [stdout]    |                            -^^^^^
[INFO] [stdout]    |                            ||
[INFO] [stdout]    |                            |`State0` is not a future
[INFO] [stdout]    |                            help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `State0`, which is required by `State0: IntoFuture`
[INFO] [stdout]    = note: State0 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `State0` to implement `IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::ops::Deref;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut db = AppendDb::new(InMemory::new(), state0);
[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] error: aborting due to 5 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `append_db` (lib test) due to 6 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "63f0b17f78eaf410fbc29838ae1c030f9b585261cc986c4bc33e42a47586f521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f0b17f78eaf410fbc29838ae1c030f9b585261cc986c4bc33e42a47586f521", kill_on_drop: false }`
[INFO] [stdout] 63f0b17f78eaf410fbc29838ae1c030f9b585261cc986c4bc33e42a47586f521
[INFO] checking append_db-0.3.2 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate append_db 0.3.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate append_db 0.3.2 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate append_db 0.3.2
[INFO] finished tweaking crates.io crate append_db 0.3.2
[INFO] tweaked toml for crates.io crate append_db 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b98764169f9d3350d7c7181d9e2ad3a2a3a870ecdf77b1c6b29f3cef2cbb2d8c
[INFO] running `Command { std: "docker" "start" "-a" "b98764169f9d3350d7c7181d9e2ad3a2a3a870ecdf77b1c6b29f3cef2cbb2d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b98764169f9d3350d7c7181d9e2ad3a2a3a870ecdf77b1c6b29f3cef2cbb2d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98764169f9d3350d7c7181d9e2ad3a2a3a870ecdf77b1c6b29f3cef2cbb2d8c", kill_on_drop: false }`
[INFO] [stdout] b98764169f9d3350d7c7181d9e2ad3a2a3a870ecdf77b1c6b29f3cef2cbb2d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5ec90012fc74d2bf7218f1bf8b6624b94499cabf7ac88ae6fe2e775482e034d
[INFO] running `Command { std: "docker" "start" "-a" "d5ec90012fc74d2bf7218f1bf8b6624b94499cabf7ac88ae6fe2e775482e034d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking stm-core v0.4.0
[INFO] [stderr]     Checking stm v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking append_db v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/db.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::Sync;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/db.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::marker::Sync;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `State0` is not a future
[INFO] [stdout]   --> src/lib.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |         assert_eq!(db.get().await.deref(), &state0);
[INFO] [stdout]    |                            -^^^^^
[INFO] [stdout]    |                            ||
[INFO] [stdout]    |                            |`State0` is not a future
[INFO] [stdout]    |                            help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `State0`, which is required by `State0: IntoFuture`
[INFO] [stdout]    = note: State0 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `State0` to implement `IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `State0` is not a future
[INFO] [stdout]   --> src/lib.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |         assert_eq!(db.get().await.deref().field, 43);
[INFO] [stdout]    |                            -^^^^^
[INFO] [stdout]    |                            ||
[INFO] [stdout]    |                            |`State0` is not a future
[INFO] [stdout]    |                            help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `State0`, which is required by `State0: IntoFuture`
[INFO] [stdout]    = note: State0 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `State0` to implement `IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `State0` is not a future
[INFO] [stdout]   --> src/lib.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 |         assert_eq!(db.get().await.deref().field, 4);
[INFO] [stdout]    |                            -^^^^^
[INFO] [stdout]    |                            ||
[INFO] [stdout]    |                            |`State0` is not a future
[INFO] [stdout]    |                            help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `State0`, which is required by `State0: IntoFuture`
[INFO] [stdout]    = note: State0 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `State0` to implement `IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `State0` is not a future
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |         assert_eq!(db.get().await.deref().field, 4);
[INFO] [stdout]    |                            -^^^^^
[INFO] [stdout]    |                            ||
[INFO] [stdout]    |                            |`State0` is not a future
[INFO] [stdout]    |                            help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `State0`, which is required by `State0: IntoFuture`
[INFO] [stdout]    = note: State0 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `State0` to implement `IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `State0` is not a future
[INFO] [stdout]   --> src/lib.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |         assert_eq!(db.get().await.deref().field, 4);
[INFO] [stdout]    |                            -^^^^^
[INFO] [stdout]    |                            ||
[INFO] [stdout]    |                            |`State0` is not a future
[INFO] [stdout]    |                            help: remove the `.await`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `State0`, which is required by `State0: IntoFuture`
[INFO] [stdout]    = note: State0 must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]    = note: required for `State0` to implement `IntoFuture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::ops::Deref;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut db = AppendDb::new(InMemory::new(), state0);
[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] error: aborting due to 5 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `append_db` (lib test) due to 6 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d5ec90012fc74d2bf7218f1bf8b6624b94499cabf7ac88ae6fe2e775482e034d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ec90012fc74d2bf7218f1bf8b6624b94499cabf7ac88ae6fe2e775482e034d", kill_on_drop: false }`
[INFO] [stdout] d5ec90012fc74d2bf7218f1bf8b6624b94499cabf7ac88ae6fe2e775482e034d
