Dec 19 09:49:41.341 INFO checking ruggeri/nedbase against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:49:41.341 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:49:41.606 INFO [stdout] 4efeb218c8780f67243e0ff68eb83edc34758813e4068680defb2dff0e24249c
Dec 19 09:49:41.610 INFO running `"docker" "start" "-a" "4efeb218c8780f67243e0ff68eb83edc34758813e4068680defb2dff0e24249c"`
Dec 19 09:49:42.359 INFO [stderr]     Checking nedbase v0.1.0 (/opt/crater/workdir)
Dec 19 09:49:42.669 INFO [stderr] warning: unused imports: `RefCellGuard`, `WeakRefCellGuard`
Dec 19 09:49:42.669 INFO [stderr]   --> src/locking/lock_set/mod.rs:12:52
Dec 19 09:49:42.669 INFO [stderr]    |
Dec 19 09:49:42.669 INFO [stderr] 12 | pub(self) use self::lock_set_value::{LockSetValue, RefCellGuard, StrongRefCellGuard, WeakRefCellGuard};
Dec 19 09:49:42.669 INFO [stderr]    |                                                    ^^^^^^^^^^^^                      ^^^^^^^^^^^^^^^^
Dec 19 09:49:42.669 INFO [stderr]    |
Dec 19 09:49:42.669 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 09:49:42.669 INFO [stderr] 
Dec 19 09:49:42.677 INFO [stderr] warning: unused imports: `RefCellGuard`, `WeakRefCellGuard`
Dec 19 09:49:42.677 INFO [stderr]   --> src/locking/lock_set/mod.rs:12:52
Dec 19 09:49:42.677 INFO [stderr]    |
Dec 19 09:49:42.677 INFO [stderr] 12 | pub(self) use self::lock_set_value::{LockSetValue, RefCellGuard, StrongRefCellGuard, WeakRefCellGuard};
Dec 19 09:49:42.677 INFO [stderr]    |                                                    ^^^^^^^^^^^^                      ^^^^^^^^^^^^^^^^
Dec 19 09:49:42.677 INFO [stderr]    |
Dec 19 09:49:42.677 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 09:49:42.677 INFO [stderr] 
Dec 19 09:49:43.400 INFO [stderr] warning: unused variable: `key1_present`
Dec 19 09:49:43.400 INFO [stderr]    --> src/bin/main.rs:100:11
Dec 19 09:49:43.400 INFO [stderr]     |
Dec 19 09:49:43.400 INFO [stderr] 100 |       let key1_present = BTree::contains_key(&mut lock_set, &key1);
Dec 19 09:49:43.400 INFO [stderr]     |           ^^^^^^^^^^^^ help: consider using `_key1_present` instead
Dec 19 09:49:43.400 INFO [stderr]     |
Dec 19 09:49:43.400 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 09:49:43.400 INFO [stderr] 
Dec 19 09:49:43.400 INFO [stderr] warning: unused variable: `key2_present`
Dec 19 09:49:43.400 INFO [stderr]    --> src/bin/main.rs:101:11
Dec 19 09:49:43.400 INFO [stderr]     |
Dec 19 09:49:43.400 INFO [stderr] 101 |       let key2_present = BTree::contains_key(&mut lock_set, &key2);
Dec 19 09:49:43.400 INFO [stderr]     |           ^^^^^^^^^^^^ help: consider using `_key2_present` instead
Dec 19 09:49:43.400 INFO [stderr] 
Dec 19 09:49:43.405 INFO [stderr] warning: unused variable: `key1_present`
Dec 19 09:49:43.405 INFO [stderr]    --> src/bin/main.rs:100:11
Dec 19 09:49:43.405 INFO [stderr]     |
Dec 19 09:49:43.405 INFO [stderr] 100 |       let key1_present = BTree::contains_key(&mut lock_set, &key1);
Dec 19 09:49:43.405 INFO [stderr]     |           ^^^^^^^^^^^^ help: consider using `_key1_present` instead
Dec 19 09:49:43.405 INFO [stderr]     |
Dec 19 09:49:43.405 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 09:49:43.405 INFO [stderr] 
Dec 19 09:49:43.405 INFO [stderr] warning: unused variable: `key2_present`
Dec 19 09:49:43.405 INFO [stderr]    --> src/bin/main.rs:101:11
Dec 19 09:49:43.406 INFO [stderr]     |
Dec 19 09:49:43.406 INFO [stderr] 101 |       let key2_present = BTree::contains_key(&mut lock_set, &key2);
Dec 19 09:49:43.406 INFO [stderr]     |           ^^^^^^^^^^^^ help: consider using `_key2_present` instead
Dec 19 09:49:43.406 INFO [stderr] 
Dec 19 09:49:43.458 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Dec 19 09:49:43.754 INFO running `"docker" "inspect" "4efeb218c8780f67243e0ff68eb83edc34758813e4068680defb2dff0e24249c"`
Dec 19 09:49:43.894 INFO running `"docker" "rm" "-f" "4efeb218c8780f67243e0ff68eb83edc34758813e4068680defb2dff0e24249c"`
Dec 19 09:49:44.032 INFO [stdout] 4efeb218c8780f67243e0ff68eb83edc34758813e4068680defb2dff0e24249c