Dec 18 13:48:19.929 INFO checking mvcc-0.0.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:48:19.929 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/mvcc/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:48:20.168 INFO [stdout] 5e30433efbc37acfc8b33b469de94ec462a880c7b56fd66fa746442f04237dfe
Dec 18 13:48:20.174 INFO running `"docker" "start" "-a" "5e30433efbc37acfc8b33b469de94ec462a880c7b56fd66fa746442f04237dfe"`
Dec 18 13:48:21.044 INFO [stderr]     Checking crossbeam-epoch v0.6.1
Dec 18 13:48:21.880 INFO [stderr]     Checking pagetable v0.0.3
Dec 18 13:48:22.382 INFO [stderr]     Checking pagecache v0.6.0
Dec 18 13:48:25.880 INFO [stderr]     Checking sled v0.15.21
Dec 18 13:48:27.406 INFO [stderr]     Checking mvcc v0.0.1 (/opt/crater/workdir)
Dec 18 13:48:28.291 INFO [stderr] error[E0432]: unresolved import `sled::DbResult`
Dec 18 13:48:28.291 INFO [stderr]  --> src/db.rs:3:20
Dec 18 13:48:28.291 INFO [stderr]   |
Dec 18 13:48:28.291 INFO [stderr] 3 | use sled::{Config, DbResult, Tree};
Dec 18 13:48:28.291 INFO [stderr]   |                    ^^^^^^^^ no `DbResult` in the root. Did you mean to use `Result`?
Dec 18 13:48:28.291 INFO [stderr] 
Dec 18 13:48:28.464 INFO [stderr] error: aborting due to previous error
Dec 18 13:48:28.464 INFO [stderr] 
Dec 18 13:48:28.464 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 18 13:48:28.464 INFO [stderr] error: Could not compile `mvcc`.
Dec 18 13:48:28.464 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 13:48:28.488 INFO [stderr] error[E0432]: unresolved import `sled::DbResult`
Dec 18 13:48:28.488 INFO [stderr]  --> src/db.rs:3:20
Dec 18 13:48:28.488 INFO [stderr]   |
Dec 18 13:48:28.488 INFO [stderr] 3 | use sled::{Config, DbResult, Tree};
Dec 18 13:48:28.488 INFO [stderr]   |                    ^^^^^^^^ no `DbResult` in the root. Did you mean to use `Result`?
Dec 18 13:48:28.488 INFO [stderr] 
Dec 18 13:48:28.676 INFO [stderr] error: aborting due to previous error
Dec 18 13:48:28.676 INFO [stderr] 
Dec 18 13:48:28.676 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 18 13:48:28.689 INFO [stderr] error: Could not compile `mvcc`.
Dec 18 13:48:28.689 INFO [stderr] 
Dec 18 13:48:28.689 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 13:48:28.986 INFO running `"docker" "inspect" "5e30433efbc37acfc8b33b469de94ec462a880c7b56fd66fa746442f04237dfe"`
Dec 18 13:48:29.124 INFO running `"docker" "rm" "-f" "5e30433efbc37acfc8b33b469de94ec462a880c7b56fd66fa746442f04237dfe"`
Dec 18 13:48:29.312 INFO [stdout] 5e30433efbc37acfc8b33b469de94ec462a880c7b56fd66fa746442f04237dfe