[INFO] crate futures-cache 0.9.0 is already in cache
[INFO] checking futures-cache-0.9.0 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate futures-cache 0.9.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate futures-cache 0.9.0 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate futures-cache 0.9.0
[INFO] finished tweaking crates.io crate futures-cache 0.9.0
[INFO] tweaked toml for crates.io crate futures-cache 0.9.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bff657f08e18d1d9661f164f2d24f6264c197a5a781c380aaf7845677c9ada5a
[INFO] running `"docker" "start" "-a" "bff657f08e18d1d9661f164f2d24f6264c197a5a781c380aaf7845677c9ada5a"`
[INFO] [stderr]     Checking half v1.5.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking sled v0.30.3
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking serde-hashkey v0.2.2
[INFO] [stderr]     Checking futures-cache v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'sled::db::Db::start_default': replaced by `sled::open`
[INFO] [stderr]    --> src/lib.rs:648:18
[INFO] [stderr]     |
[INFO] [stderr] 648 |         let db = sled::Db::start_default(path)?;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: try expression alternatives have incompatible types
[INFO] [stderr]    --> src/lib.rs:649:12
[INFO] [stderr]     |
[INFO] [stderr] 649 |         Ok(db.open_tree("test")?)
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `sled::tree::Tree`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected struct `std::sync::Arc<sled::tree::Tree>`
[INFO] [stderr]                found struct `sled::tree::Tree`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `futures-cache`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bff657f08e18d1d9661f164f2d24f6264c197a5a781c380aaf7845677c9ada5a"`
[INFO] running `"docker" "rm" "-f" "bff657f08e18d1d9661f164f2d24f6264c197a5a781c380aaf7845677c9ada5a"`
[INFO] [stdout] bff657f08e18d1d9661f164f2d24f6264c197a5a781c380aaf7845677c9ada5a