Dec 05 10:10:25.690 INFO checking mvcc-0.0.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 10:10:25.690 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 10:10:25.878 INFO [stdout] 2a4a5bc3e4e14d14c8d13a5f191dd8a7ec944e4171c467be8101032b1f6eff36
Dec 05 10:10:25.881 INFO running `"docker" "start" "-a" "2a4a5bc3e4e14d14c8d13a5f191dd8a7ec944e4171c467be8101032b1f6eff36"`
Dec 05 10:10:26.389 INFO [stderr] usermod: no changes
Dec 05 10:10:26.476 INFO [stderr]     Checking crossbeam-epoch v0.6.1
Dec 05 10:10:27.307 INFO [stderr]     Checking pagetable v0.0.3
Dec 05 10:10:28.022 INFO [stderr]     Checking pagecache v0.6.0
Dec 05 10:10:32.304 INFO [stderr]     Checking sled v0.15.21
Dec 05 10:10:35.580 INFO [stderr]     Checking mvcc v0.0.1 (/source)
Dec 05 10:10:37.603 INFO [stderr] error[E0432]: unresolved import `sled::DbResult`
Dec 05 10:10:37.603 INFO [stderr]  --> src/db.rs:3:20
Dec 05 10:10:37.603 INFO [stderr]   |
Dec 05 10:10:37.603 INFO [stderr] 3 | use sled::{Config, DbResult, Tree};
Dec 05 10:10:37.603 INFO [stderr]   |                    ^^^^^^^^ no `DbResult` in the root. Did you mean to use `Result`?
Dec 05 10:10:37.603 INFO [stderr] 
Dec 05 10:10:37.781 INFO [stderr] error: aborting due to previous error
Dec 05 10:10:37.781 INFO [stderr] 
Dec 05 10:10:37.781 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 05 10:10:37.789 INFO [stderr] error: Could not compile `mvcc`.
Dec 05 10:10:37.789 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 05 10:10:37.839 INFO [stderr] error[E0432]: unresolved import `sled::DbResult`
Dec 05 10:10:37.839 INFO [stderr]  --> src/db.rs:3:20
Dec 05 10:10:37.839 INFO [stderr]   |
Dec 05 10:10:37.839 INFO [stderr] 3 | use sled::{Config, DbResult, Tree};
Dec 05 10:10:37.839 INFO [stderr]   |                    ^^^^^^^^ no `DbResult` in the root. Did you mean to use `Result`?
Dec 05 10:10:37.843 INFO [stderr] 
Dec 05 10:10:38.003 INFO [stderr] error: aborting due to previous error
Dec 05 10:10:38.003 INFO [stderr] 
Dec 05 10:10:38.003 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 05 10:10:38.011 INFO [stderr] error: Could not compile `mvcc`.
Dec 05 10:10:38.011 INFO [stderr] 
Dec 05 10:10:38.011 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 10:10:38.011 INFO [stderr] su: No module specific data is present
Dec 05 10:10:38.685 INFO running `"docker" "inspect" "2a4a5bc3e4e14d14c8d13a5f191dd8a7ec944e4171c467be8101032b1f6eff36"`
Dec 05 10:10:38.776 INFO running `"docker" "rm" "-f" "2a4a5bc3e4e14d14c8d13a5f191dd8a7ec944e4171c467be8101032b1f6eff36"`
Dec 05 10:10:38.860 INFO [stdout] 2a4a5bc3e4e14d14c8d13a5f191dd8a7ec944e4171c467be8101032b1f6eff36