[INFO] fetching crate memorydb 0.3.0...
[INFO] checking memorydb-0.3.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate memorydb 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate memorydb 0.3.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memorydb 0.3.0
[INFO] finished tweaking crates.io crate memorydb 0.3.0
[INFO] tweaked toml for crates.io crate memorydb 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b65443cdaac471fe54a0b9adbc46d281e0f361e098e852ee9a2ca23e32b928ef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b65443cdaac471fe54a0b9adbc46d281e0f361e098e852ee9a2ca23e32b928ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b65443cdaac471fe54a0b9adbc46d281e0f361e098e852ee9a2ca23e32b928ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65443cdaac471fe54a0b9adbc46d281e0f361e098e852ee9a2ca23e32b928ef", kill_on_drop: false }`
[INFO] [stdout] b65443cdaac471fe54a0b9adbc46d281e0f361e098e852ee9a2ca23e32b928ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca1764c68e300048de45dcc4f33b64b5a38ed1cdf1764e79cf0c567042dc9425
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca1764c68e300048de45dcc4f33b64b5a38ed1cdf1764e79cf0c567042dc9425", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking hashdb v0.3.0
[INFO] [stderr]     Checking rlp v0.3.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking plain_hasher v0.2.3
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking elastic-array v0.10.3
[INFO] [stderr]     Checking memorydb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:328:26
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn as_hashdb(&self) -> &HashDB<H, T> { self }
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:38
[INFO] [stdout]     |
[INFO] [stdout] 329 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { self }
[INFO] [stdout]     |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hashdb v0.2.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking ethbloom v0.5.3
[INFO] [stderr]     Checking ethereum-types v0.4.2
[INFO] [stderr]     Checking keccak-hasher v0.1.1
[INFO] [stderr]     Checking keccak-hash v0.1.2
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:328:26
[INFO] [stdout]     |
[INFO] [stdout] 328 |     fn as_hashdb(&self) -> &HashDB<H, T> { self }
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:329:38
[INFO] [stdout]     |
[INFO] [stdout] 329 |     fn as_hashdb_mut(&mut self) -> &mut HashDB<H, T> { self }
[INFO] [stdout]     |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn HashDB<H, T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `KeccakHasher: hashdb::Hasher` is not satisfied
[INFO] [stdout]   --> benches/memdb.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     struct X {a_hash: <KeccakHasher as Hasher>::Out};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `hashdb::Hasher` is not implemented for `KeccakHasher`
[INFO] [stdout]    |
[INFO] [stdout] help: trait impl with same name found
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / impl Hasher for KeccakHasher {
[INFO] [stdout] 31 | |     type Out = H256;
[INFO] [stdout] 32 | |     type StdHasher = PlainHasher;
[INFO] [stdout] 33 | |     const LENGTH: usize = 32;
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    = note: perhaps two different versions of crate `hashdb` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memorydb`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `MemoryDB<KeccakHasher, Vec<u8>>` in the current scope
[INFO] [stdout]    --> src/lib.rs:346:50
[INFO] [stdout]     |
[INFO] [stdout] 85  | pub struct MemoryDB<H: KeyHasher, T> {
[INFO] [stdout]     | ------------------------------------ function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 346 |         let mut m = MemoryDB::<KeccakHasher, Vec<u8>>::new();
[INFO] [stdout]     |                                                        ^^^ function or associated item not found in `MemoryDB<KeccakHasher, Vec<u8>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:29:1
[INFO] [stdout]     |
[INFO] [stdout] 29  | pub struct KeccakHasher;
[INFO] [stdout]     | ------------------------ doesn't satisfy `KeccakHasher: hashdb::Hasher`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `new` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `KeccakHasher: hashdb::Hasher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `KeccakHasher: hashdb::Hasher` is not satisfied
[INFO] [stdout]    --> src/lib.rs:346:15
[INFO] [stdout]     |
[INFO] [stdout] 85  | pub struct MemoryDB<H: KeyHasher, T> {
[INFO] [stdout]     |                        --------- required by this bound in `MemoryDB`
[INFO] [stdout] ...
[INFO] [stdout] 346 |         let mut m = MemoryDB::<KeccakHasher, Vec<u8>>::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `hashdb::Hasher` is not implemented for `KeccakHasher`
[INFO] [stdout]     |
[INFO] [stdout] help: trait impl with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:30:1
[INFO] [stdout]     |
[INFO] [stdout] 30  | / impl Hasher for KeccakHasher {
[INFO] [stdout] 31  | |     type Out = H256;
[INFO] [stdout] 32  | |     type StdHasher = PlainHasher;
[INFO] [stdout] 33  | |     const LENGTH: usize = 32;
[INFO] [stdout] ...   |
[INFO] [stdout] 38  | |     }
[INFO] [stdout] 39  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: perhaps two different versions of crate `hashdb` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `MemoryDB<KeccakHasher, Vec<u8>>` in the current scope
[INFO] [stdout]    --> src/lib.rs:356:50
[INFO] [stdout]     |
[INFO] [stdout] 85  | pub struct MemoryDB<H: KeyHasher, T> {
[INFO] [stdout]     | ------------------------------------ function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 356 |         let mut m = MemoryDB::<KeccakHasher, Vec<u8>>::new();
[INFO] [stdout]     |                                                        ^^^ function or associated item not found in `MemoryDB<KeccakHasher, Vec<u8>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:29:1
[INFO] [stdout]     |
[INFO] [stdout] 29  | pub struct KeccakHasher;
[INFO] [stdout]     | ------------------------ doesn't satisfy `KeccakHasher: hashdb::Hasher`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `new` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `KeccakHasher: hashdb::Hasher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `KeccakHasher: hashdb::Hasher` is not satisfied
[INFO] [stdout]    --> src/lib.rs:356:15
[INFO] [stdout]     |
[INFO] [stdout] 85  | pub struct MemoryDB<H: KeyHasher, T> {
[INFO] [stdout]     |                        --------- required by this bound in `MemoryDB`
[INFO] [stdout] ...
[INFO] [stdout] 356 |         let mut m = MemoryDB::<KeccakHasher, Vec<u8>>::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `hashdb::Hasher` is not implemented for `KeccakHasher`
[INFO] [stdout]     |
[INFO] [stdout] help: trait impl with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:30:1
[INFO] [stdout]     |
[INFO] [stdout] 30  | / impl Hasher for KeccakHasher {
[INFO] [stdout] 31  | |     type Out = H256;
[INFO] [stdout] 32  | |     type StdHasher = PlainHasher;
[INFO] [stdout] 33  | |     const LENGTH: usize = 32;
[INFO] [stdout] ...   |
[INFO] [stdout] 38  | |     }
[INFO] [stdout] 39  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: perhaps two different versions of crate `hashdb` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `MemoryDB<KeccakHasher, Vec<u8>>` in the current scope
[INFO] [stdout]    --> src/lib.rs:369:53
[INFO] [stdout]     |
[INFO] [stdout] 85  | pub struct MemoryDB<H: KeyHasher, T> {
[INFO] [stdout]     | ------------------------------------ function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 369 |         let mut main = MemoryDB::<KeccakHasher, Vec<u8>>::new();
[INFO] [stdout]     |                                                           ^^^ function or associated item not found in `MemoryDB<KeccakHasher, Vec<u8>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:29:1
[INFO] [stdout]     |
[INFO] [stdout] 29  | pub struct KeccakHasher;
[INFO] [stdout]     | ------------------------ doesn't satisfy `KeccakHasher: hashdb::Hasher`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `new` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `KeccakHasher: hashdb::Hasher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `KeccakHasher: hashdb::Hasher` is not satisfied
[INFO] [stdout]    --> src/lib.rs:369:18
[INFO] [stdout]     |
[INFO] [stdout] 85  | pub struct MemoryDB<H: KeyHasher, T> {
[INFO] [stdout]     |                        --------- required by this bound in `MemoryDB`
[INFO] [stdout] ...
[INFO] [stdout] 369 |         let mut main = MemoryDB::<KeccakHasher, Vec<u8>>::new();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `hashdb::Hasher` is not implemented for `KeccakHasher`
[INFO] [stdout]     |
[INFO] [stdout] help: trait impl with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:30:1
[INFO] [stdout]     |
[INFO] [stdout] 30  | / impl Hasher for KeccakHasher {
[INFO] [stdout] 31  | |     type Out = H256;
[INFO] [stdout] 32  | |     type StdHasher = PlainHasher;
[INFO] [stdout] 33  | |     const LENGTH: usize = 32;
[INFO] [stdout] ...   |
[INFO] [stdout] 38  | |     }
[INFO] [stdout] 39  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: perhaps two different versions of crate `hashdb` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `MemoryDB<KeccakHasher, Vec<u8>>` in the current scope
[INFO] [stdout]    --> src/lib.rs:370:54
[INFO] [stdout]     |
[INFO] [stdout] 85  | pub struct MemoryDB<H: KeyHasher, T> {
[INFO] [stdout]     | ------------------------------------ function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 370 |         let mut other = MemoryDB::<KeccakHasher, Vec<u8>>::new();
[INFO] [stdout]     |                                                            ^^^ function or associated item not found in `MemoryDB<KeccakHasher, Vec<u8>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:29:1
[INFO] [stdout]     |
[INFO] [stdout] 29  | pub struct KeccakHasher;
[INFO] [stdout]     | ------------------------ doesn't satisfy `KeccakHasher: hashdb::Hasher`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `new` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `KeccakHasher: hashdb::Hasher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `KeccakHasher: hashdb::Hasher` is not satisfied
[INFO] [stdout]    --> src/lib.rs:370:19
[INFO] [stdout]     |
[INFO] [stdout] 85  | pub struct MemoryDB<H: KeyHasher, T> {
[INFO] [stdout]     |                        --------- required by this bound in `MemoryDB`
[INFO] [stdout] ...
[INFO] [stdout] 370 |         let mut other = MemoryDB::<KeccakHasher, Vec<u8>>::new();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `hashdb::Hasher` is not implemented for `KeccakHasher`
[INFO] [stdout]     |
[INFO] [stdout] help: trait impl with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:30:1
[INFO] [stdout]     |
[INFO] [stdout] 30  | / impl Hasher for KeccakHasher {
[INFO] [stdout] 31  | |     type Out = H256;
[INFO] [stdout] 32  | |     type StdHasher = PlainHasher;
[INFO] [stdout] 33  | |     const LENGTH: usize = 32;
[INFO] [stdout] ...   |
[INFO] [stdout] 38  | |     }
[INFO] [stdout] 39  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: perhaps two different versions of crate `hashdb` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `default` found for struct `MemoryDB<KeccakHasher, Vec<u8>>` in the current scope
[INFO] [stdout]    --> src/lib.rs:393:51
[INFO] [stdout]     |
[INFO] [stdout] 85  | pub struct MemoryDB<H: KeyHasher, T> {
[INFO] [stdout]     | ------------------------------------
[INFO] [stdout]     | |
[INFO] [stdout]     | function or associated item `default` not found for this
[INFO] [stdout]     | doesn't satisfy `MemoryDB<KeccakHasher, Vec<u8>>: Default`
[INFO] [stdout] ...
[INFO] [stdout] 393 |         let mut db = MemoryDB::<KeccakHasher, Vec<u8>>::default();
[INFO] [stdout]     |                                                         ^^^^^^^ function or associated item not found in `MemoryDB<KeccakHasher, Vec<u8>>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:29:1
[INFO] [stdout]     |
[INFO] [stdout] 29  | pub struct KeccakHasher;
[INFO] [stdout]     | ------------------------ doesn't satisfy `KeccakHasher: hashdb::Hasher`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method `default` exists but the following trait bounds were not satisfied:
[INFO] [stdout]             `KeccakHasher: hashdb::Hasher`
[INFO] [stdout]             which is required by `MemoryDB<KeccakHasher, Vec<u8>>: Default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `KeccakHasher: hashdb::Hasher` is not satisfied
[INFO] [stdout]    --> src/lib.rs:393:16
[INFO] [stdout]     |
[INFO] [stdout] 85  | pub struct MemoryDB<H: KeyHasher, T> {
[INFO] [stdout]     |                        --------- required by this bound in `MemoryDB`
[INFO] [stdout] ...
[INFO] [stdout] 393 |         let mut db = MemoryDB::<KeccakHasher, Vec<u8>>::default();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `hashdb::Hasher` is not implemented for `KeccakHasher`
[INFO] [stdout]     |
[INFO] [stdout] help: trait impl with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keccak-hasher-0.1.1/src/lib.rs:30:1
[INFO] [stdout]     |
[INFO] [stdout] 30  | / impl Hasher for KeccakHasher {
[INFO] [stdout] 31  | |     type Out = H256;
[INFO] [stdout] 32  | |     type StdHasher = PlainHasher;
[INFO] [stdout] 33  | |     const LENGTH: usize = 32;
[INFO] [stdout] ...   |
[INFO] [stdout] 38  | |     }
[INFO] [stdout] 39  | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: perhaps two different versions of crate `hashdb` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `hash` found for struct `KeccakHasher` in the current scope
[INFO] [stdout]    --> src/lib.rs:394:40
[INFO] [stdout]     |
[INFO] [stdout] 394 |         let hashed_null_node = KeccakHasher::hash(&NULL_RLP);
[INFO] [stdout]     |                                              ^^^^ function or associated item not found in `KeccakHasher`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use hashdb::Hasher;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ca1764c68e300048de45dcc4f33b64b5a38ed1cdf1764e79cf0c567042dc9425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1764c68e300048de45dcc4f33b64b5a38ed1cdf1764e79cf0c567042dc9425", kill_on_drop: false }`
[INFO] [stdout] ca1764c68e300048de45dcc4f33b64b5a38ed1cdf1764e79cf0c567042dc9425
