[INFO] crate dgraph-rs-http 0.1.1 is already in cache
[INFO] extracting crate dgraph-rs-http 0.1.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/dgraph-rs-http/0.1.1
[INFO] extracting crate dgraph-rs-http 0.1.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/dgraph-rs-http/0.1.1
[INFO] validating manifest of dgraph-rs-http-0.1.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dgraph-rs-http-0.1.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dgraph-rs-http-0.1.1
[INFO] finished frobbing dgraph-rs-http-0.1.1
[INFO] frobbed toml for dgraph-rs-http-0.1.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/dgraph-rs-http/0.1.1/Cargo.toml
[INFO] started frobbing dgraph-rs-http-0.1.1
[INFO] finished frobbing dgraph-rs-http-0.1.1
[INFO] frobbed toml for dgraph-rs-http-0.1.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/dgraph-rs-http/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking dgraph-rs-http-0.1.1 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/dgraph-rs-http/0.1.1:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2c2fc36ca06f862a4003c694082604c7a9a7e37868b612b5fc4f714521d009b7
[INFO] running `"docker" "start" "-a" "2c2fc36ca06f862a4003c694082604c7a9a7e37868b612b5fc4f714521d009b7"`
[INFO] [stderr]     Checking dgraph-rs-http v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client_stub.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client_stub.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client_stub.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:104:32
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:129:32
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:139:73
[INFO] [stderr]     |
[INFO] [stderr] 139 | fn response(request: RequestBuilder) -> Result<(Value, Extensions), Box<Error>> {
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:163:65
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn text_response(request: RequestBuilder) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:174:76
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn txn_context_response(request: RequestBuilder) -> Result<TxnContext, Box<Error>> {
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:204:101
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn new(addr: Option<String>, tls_config: Option<TlsConfig>) -> Result<DgraphClientStub, Box<Error>> {
[INFO] [stderr]     |                                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:227:74
[INFO] [stderr]     |
[INFO] [stderr] 227 |     pub fn query(&self, req: Request) -> Result<(Value, Extensions), Box<Error>> {
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:252:48
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub fn health(&self) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:258:69
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub fn abort(&self, ctx: &TxnContext) -> Result<TxnContext, Box<Error>> {
[INFO] [stderr]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:265:69
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn commit(&self, ctx: TxnContext) -> Result<TxnContext, Box<Error>> {
[INFO] [stderr]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:278:64
[INFO] [stderr]     |
[INFO] [stderr] 278 |     pub fn mutate(&self, mu: Mutation) -> Result<Assigned, Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:334:62
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn alter(&self, op: Operation) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:25:32
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:49:76
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new(clients: Vec<DgraphClientStub>) -> Result<DgraphClient, Box<Error>> {
[INFO] [stderr]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:60:62
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn alter(&self, op: Operation) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/txn.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/txn.rs:48:32
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/txn.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/txn.rs:93:85
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn merge_context(ctx: TxnContext, extensions: Extensions) -> Result<TxnContext, Box<Error>> {
[INFO] [stderr]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/txn.rs:150:61
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn query(&mut self, q: String) -> Result<Value, Box<Error>> {
[INFO] [stderr]     |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/txn.rs:155:49
[INFO] [stderr]     |
[INFO] [stderr] 155 |                            -> Result<Value, Box<Error>> {
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/txn.rs:197:74
[INFO] [stderr]     |
[INFO] [stderr] 197 |     pub fn mutation(&mut self, mut mu: Mutation) -> Result<Assigned, Box<Error>> {
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/txn.rs:244:48
[INFO] [stderr]     |
[INFO] [stderr] 244 |     pub fn commit(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/txn.rs:258:49
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub fn discard(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client_stub.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client_stub.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client_stub.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:104:32
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:129:32
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:139:73
[INFO] [stderr]     |
[INFO] [stderr] 139 | fn response(request: RequestBuilder) -> Result<(Value, Extensions), Box<Error>> {
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:163:65
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn text_response(request: RequestBuilder) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:174:76
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn txn_context_response(request: RequestBuilder) -> Result<TxnContext, Box<Error>> {
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:204:101
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn new(addr: Option<String>, tls_config: Option<TlsConfig>) -> Result<DgraphClientStub, Box<Error>> {
[INFO] [stderr]     |                                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:227:74
[INFO] [stderr]     |
[INFO] [stderr] 227 |     pub fn query(&self, req: Request) -> Result<(Value, Extensions), Box<Error>> {
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:252:48
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub fn health(&self) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:258:69
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub fn abort(&self, ctx: &TxnContext) -> Result<TxnContext, Box<Error>> {
[INFO] [stderr]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:265:69
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub fn commit(&self, ctx: TxnContext) -> Result<TxnContext, Box<Error>> {
[INFO] [stderr]     |                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:278:64
[INFO] [stderr]     |
[INFO] [stderr] 278 |     pub fn mutate(&self, mu: Mutation) -> Result<Assigned, Box<Error>> {
[INFO] [stderr]     |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client_stub.rs:334:62
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn alter(&self, op: Operation) -> Result<String, Box<Error>> {
[INFO] [stderr]     |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:25:32
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:49:76
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn new(clients: Vec<DgraphClientStub>) -> Result<DgraphClient, Box<Error>> {
[INFO] [stderr]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/client.rs:60:62
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn alter(&self, op: Operation) -> Result<String, Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/txn.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/txn.rs:48:32
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/txn.rs:75:32
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/txn.rs:93:85
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn merge_context(ctx: TxnContext, extensions: Extensions) -> Result<TxnContext, Box<Error>> {
[INFO] [stderr]    |                                                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/txn.rs:150:61
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn query(&mut self, q: String) -> Result<Value, Box<Error>> {
[INFO] [stderr]     |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/txn.rs:155:49
[INFO] [stderr]     |
[INFO] [stderr] 155 |                            -> Result<Value, Box<Error>> {
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/txn.rs:197:74
[INFO] [stderr]     |
[INFO] [stderr] 197 |     pub fn mutation(&mut self, mut mu: Mutation) -> Result<Assigned, Box<Error>> {
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/txn.rs:244:48
[INFO] [stderr]     |
[INFO] [stderr] 244 |     pub fn commit(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/txn.rs:258:49
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub fn discard(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `"docker" "inspect" "2c2fc36ca06f862a4003c694082604c7a9a7e37868b612b5fc4f714521d009b7"`
[INFO] running `"docker" "rm" "-f" "2c2fc36ca06f862a4003c694082604c7a9a7e37868b612b5fc4f714521d009b7"`
[INFO] [stdout] 2c2fc36ca06f862a4003c694082604c7a9a7e37868b612b5fc4f714521d009b7