[INFO] crate kvdb-memorydb 0.5.0 is already in cache
[INFO] testing kvdb-memorydb-0.5.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate kvdb-memorydb 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kvdb-memorydb 0.5.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kvdb-memorydb 0.5.0
[INFO] finished tweaking crates.io crate kvdb-memorydb 0.5.0
[INFO] tweaked toml for crates.io crate kvdb-memorydb 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0e7b1a61be6da8d41dd768031c358760a1bf5e0a09406fe4a3a83081c16bf3c0
[INFO] running `"docker" "start" "-a" "0e7b1a61be6da8d41dd768031c358760a1bf5e0a09406fe4a3a83081c16bf3c0"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling parity-util-mem v0.6.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling kvdb v0.5.0
[INFO] [stderr]    Compiling kvdb-memorydb v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.99s
[INFO] running `"docker" "inspect" "0e7b1a61be6da8d41dd768031c358760a1bf5e0a09406fe4a3a83081c16bf3c0"`
[INFO] running `"docker" "rm" "-f" "0e7b1a61be6da8d41dd768031c358760a1bf5e0a09406fe4a3a83081c16bf3c0"`
[INFO] [stdout] 0e7b1a61be6da8d41dd768031c358760a1bf5e0a09406fe4a3a83081c16bf3c0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6ba4dfa8de539c3934de4d76dc951924c4690a1b2b5298e57213613074aa9cb
[INFO] running `"docker" "start" "-a" "a6ba4dfa8de539c3934de4d76dc951924c4690a1b2b5298e57213613074aa9cb"`
[INFO] [stderr]    Compiling parity-bytes v0.1.2
[INFO] [stderr]    Compiling parity-util-mem v0.5.2
[INFO] [stderr]    Compiling kvdb v0.4.0
[INFO] [stderr]    Compiling kvdb-shared-tests v0.2.0
[INFO] [stderr]    Compiling kvdb-memorydb v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `InMemory: kvdb::KeyValueDB` is not satisfied
[INFO] [stderr]    --> src/lib.rs:118:47
[INFO] [stderr]     |
[INFO] [stderr] 118 |         st::test_get_fails_with_non_existing_column(&db)
[INFO] [stderr]     |                                                     ^^^ the trait `kvdb::KeyValueDB` is not implemented for `InMemory`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> src/lib.rs:36:1
[INFO] [stderr]     |
[INFO] [stderr] 36  | / impl KeyValueDB for InMemory {
[INFO] [stderr] 37  | |     fn get(&self, col: u32, key: &[u8]) -> io::Result<Option<DBValue>> {
[INFO] [stderr] 38  | |         let columns = self.columns.read();
[INFO] [stderr] 39  | |         match columns.get(&col) {
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |     }
[INFO] [stderr] 107 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `kvdb` are being used?
[INFO] [stderr]     = note: required for the cast to the object type `dyn kvdb::KeyValueDB`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `InMemory: kvdb::KeyValueDB` is not satisfied
[INFO] [stderr]    --> src/lib.rs:124:24
[INFO] [stderr]     |
[INFO] [stderr] 124 |         st::test_put_and_get(&db)
[INFO] [stderr]     |                              ^^^ the trait `kvdb::KeyValueDB` is not implemented for `InMemory`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> src/lib.rs:36:1
[INFO] [stderr]     |
[INFO] [stderr] 36  | / impl KeyValueDB for InMemory {
[INFO] [stderr] 37  | |     fn get(&self, col: u32, key: &[u8]) -> io::Result<Option<DBValue>> {
[INFO] [stderr] 38  | |         let columns = self.columns.read();
[INFO] [stderr] 39  | |         match columns.get(&col) {
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |     }
[INFO] [stderr] 107 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `kvdb` are being used?
[INFO] [stderr]     = note: required for the cast to the object type `dyn kvdb::KeyValueDB`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `InMemory: kvdb::KeyValueDB` is not satisfied
[INFO] [stderr]    --> src/lib.rs:130:27
[INFO] [stderr]     |
[INFO] [stderr] 130 |         st::test_delete_and_get(&db)
[INFO] [stderr]     |                                 ^^^ the trait `kvdb::KeyValueDB` is not implemented for `InMemory`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> src/lib.rs:36:1
[INFO] [stderr]     |
[INFO] [stderr] 36  | / impl KeyValueDB for InMemory {
[INFO] [stderr] 37  | |     fn get(&self, col: u32, key: &[u8]) -> io::Result<Option<DBValue>> {
[INFO] [stderr] 38  | |         let columns = self.columns.read();
[INFO] [stderr] 39  | |         match columns.get(&col) {
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |     }
[INFO] [stderr] 107 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `kvdb` are being used?
[INFO] [stderr]     = note: required for the cast to the object type `dyn kvdb::KeyValueDB`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `InMemory: kvdb::KeyValueDB` is not satisfied
[INFO] [stderr]    --> src/lib.rs:136:17
[INFO] [stderr]     |
[INFO] [stderr] 136 |         st::test_iter(&db)
[INFO] [stderr]     |                       ^^^ the trait `kvdb::KeyValueDB` is not implemented for `InMemory`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> src/lib.rs:36:1
[INFO] [stderr]     |
[INFO] [stderr] 36  | / impl KeyValueDB for InMemory {
[INFO] [stderr] 37  | |     fn get(&self, col: u32, key: &[u8]) -> io::Result<Option<DBValue>> {
[INFO] [stderr] 38  | |         let columns = self.columns.read();
[INFO] [stderr] 39  | |         match columns.get(&col) {
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |     }
[INFO] [stderr] 107 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `kvdb` are being used?
[INFO] [stderr]     = note: required for the cast to the object type `dyn kvdb::KeyValueDB`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `InMemory: kvdb::KeyValueDB` is not satisfied
[INFO] [stderr]    --> src/lib.rs:142:29
[INFO] [stderr]     |
[INFO] [stderr] 142 |         st::test_iter_from_prefix(&db)
[INFO] [stderr]     |                                   ^^^ the trait `kvdb::KeyValueDB` is not implemented for `InMemory`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> src/lib.rs:36:1
[INFO] [stderr]     |
[INFO] [stderr] 36  | / impl KeyValueDB for InMemory {
[INFO] [stderr] 37  | |     fn get(&self, col: u32, key: &[u8]) -> io::Result<Option<DBValue>> {
[INFO] [stderr] 38  | |         let columns = self.columns.read();
[INFO] [stderr] 39  | |         match columns.get(&col) {
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |     }
[INFO] [stderr] 107 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `kvdb` are being used?
[INFO] [stderr]     = note: required for the cast to the object type `dyn kvdb::KeyValueDB`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `InMemory: kvdb::KeyValueDB` is not satisfied
[INFO] [stderr]    --> src/lib.rs:148:20
[INFO] [stderr]     |
[INFO] [stderr] 148 |         st::test_complex(&db)
[INFO] [stderr]     |                          ^^^ the trait `kvdb::KeyValueDB` is not implemented for `InMemory`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> src/lib.rs:36:1
[INFO] [stderr]     |
[INFO] [stderr] 36  | / impl KeyValueDB for InMemory {
[INFO] [stderr] 37  | |     fn get(&self, col: u32, key: &[u8]) -> io::Result<Option<DBValue>> {
[INFO] [stderr] 38  | |         let columns = self.columns.read();
[INFO] [stderr] 39  | |         match columns.get(&col) {
[INFO] [stderr] ...   |
[INFO] [stderr] 106 | |     }
[INFO] [stderr] 107 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `kvdb` are being used?
[INFO] [stderr]     = note: required for the cast to the object type `dyn kvdb::KeyValueDB`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `kvdb-memorydb`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a6ba4dfa8de539c3934de4d76dc951924c4690a1b2b5298e57213613074aa9cb"`
[INFO] running `"docker" "rm" "-f" "a6ba4dfa8de539c3934de4d76dc951924c4690a1b2b5298e57213613074aa9cb"`
[INFO] [stdout] a6ba4dfa8de539c3934de4d76dc951924c4690a1b2b5298e57213613074aa9cb