Dec 17 16:36:18.698 INFO checking ruggeri/nedbase against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:36:18.698 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ruggeri/nedbase:/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 17 16:36:19.286 INFO [stdout] 57a1cb6355832441beb410266d7edc12511fb260305fcf3cf24ddcda8a5b0a0f
Dec 17 16:36:19.288 INFO running `"docker" "start" "-a" "57a1cb6355832441beb410266d7edc12511fb260305fcf3cf24ddcda8a5b0a0f"`
Dec 17 16:36:21.182 INFO [stderr]     Checking nedbase v0.1.0 (/opt/crater/workdir)
Dec 17 16:36:21.496 INFO [stderr] warning: unused imports: `RefCellGuard`, `WeakRefCellGuard`
Dec 17 16:36:21.496 INFO [stderr]   --> src/locking/lock_set/mod.rs:12:52
Dec 17 16:36:21.496 INFO [stderr]    |
Dec 17 16:36:21.496 INFO [stderr] 12 | pub(self) use self::lock_set_value::{LockSetValue, RefCellGuard, StrongRefCellGuard, WeakRefCellGuard};
Dec 17 16:36:21.496 INFO [stderr]    |                                                    ^^^^^^^^^^^^                      ^^^^^^^^^^^^^^^^
Dec 17 16:36:21.496 INFO [stderr]    |
Dec 17 16:36:21.496 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 16:36:21.496 INFO [stderr] 
Dec 17 16:36:21.583 INFO [stderr] warning: unused imports: `RefCellGuard`, `WeakRefCellGuard`
Dec 17 16:36:21.583 INFO [stderr]   --> src/locking/lock_set/mod.rs:12:52
Dec 17 16:36:21.583 INFO [stderr]    |
Dec 17 16:36:21.583 INFO [stderr] 12 | pub(self) use self::lock_set_value::{LockSetValue, RefCellGuard, StrongRefCellGuard, WeakRefCellGuard};
Dec 17 16:36:21.583 INFO [stderr]    |                                                    ^^^^^^^^^^^^                      ^^^^^^^^^^^^^^^^
Dec 17 16:36:21.583 INFO [stderr]    |
Dec 17 16:36:21.583 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 16:36:21.584 INFO [stderr] 
Dec 17 16:36:22.311 INFO [stderr] warning: unused variable: `key1_present`
Dec 17 16:36:22.311 INFO [stderr]    --> src/bin/main.rs:100:11
Dec 17 16:36:22.311 INFO [stderr]     |
Dec 17 16:36:22.311 INFO [stderr] 100 |       let key1_present = BTree::contains_key(&mut lock_set, &key1);
Dec 17 16:36:22.311 INFO [stderr]     |           ^^^^^^^^^^^^ help: consider using `_key1_present` instead
Dec 17 16:36:22.311 INFO [stderr]     |
Dec 17 16:36:22.312 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 16:36:22.312 INFO [stderr] 
Dec 17 16:36:22.312 INFO [stderr] warning: unused variable: `key2_present`
Dec 17 16:36:22.312 INFO [stderr]    --> src/bin/main.rs:101:11
Dec 17 16:36:22.312 INFO [stderr]     |
Dec 17 16:36:22.313 INFO [stderr] 101 |       let key2_present = BTree::contains_key(&mut lock_set, &key2);
Dec 17 16:36:22.313 INFO [stderr]     |           ^^^^^^^^^^^^ help: consider using `_key2_present` instead
Dec 17 16:36:22.313 INFO [stderr] 
Dec 17 16:36:22.388 INFO [stderr] warning: unused variable: `key1_present`
Dec 17 16:36:22.388 INFO [stderr]    --> src/bin/main.rs:100:11
Dec 17 16:36:22.388 INFO [stderr]     |
Dec 17 16:36:22.388 INFO [stderr] 100 |       let key1_present = BTree::contains_key(&mut lock_set, &key1);
Dec 17 16:36:22.388 INFO [stderr]     |           ^^^^^^^^^^^^ help: consider using `_key1_present` instead
Dec 17 16:36:22.388 INFO [stderr]     |
Dec 17 16:36:22.388 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 16:36:22.388 INFO [stderr] 
Dec 17 16:36:22.388 INFO [stderr] warning: unused variable: `key2_present`
Dec 17 16:36:22.388 INFO [stderr]    --> src/bin/main.rs:101:11
Dec 17 16:36:22.388 INFO [stderr]     |
Dec 17 16:36:22.388 INFO [stderr] 101 |       let key2_present = BTree::contains_key(&mut lock_set, &key2);
Dec 17 16:36:22.388 INFO [stderr]     |           ^^^^^^^^^^^^ help: consider using `_key2_present` instead
Dec 17 16:36:22.388 INFO [stderr] 
Dec 17 16:36:22.412 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Dec 17 16:36:22.696 INFO running `"docker" "inspect" "57a1cb6355832441beb410266d7edc12511fb260305fcf3cf24ddcda8a5b0a0f"`
Dec 17 16:36:22.800 INFO running `"docker" "rm" "-f" "57a1cb6355832441beb410266d7edc12511fb260305fcf3cf24ddcda8a5b0a0f"`
Dec 17 16:36:22.931 INFO [stdout] 57a1cb6355832441beb410266d7edc12511fb260305fcf3cf24ddcda8a5b0a0f