[INFO] updating cached repository OpenSTFoundation/rust-mosaic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/OpenSTFoundation/rust-mosaic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/OpenSTFoundation/rust-mosaic" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/OpenSTFoundation/rust-mosaic"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/OpenSTFoundation/rust-mosaic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/OpenSTFoundation/rust-mosaic" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/OpenSTFoundation/rust-mosaic"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/OpenSTFoundation/rust-mosaic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 023f3b475fdfdaaa769600329b5b834d70ad2bba
[INFO] sha for GitHub repo OpenSTFoundation/rust-mosaic: 023f3b475fdfdaaa769600329b5b834d70ad2bba
[INFO] validating manifest of OpenSTFoundation/rust-mosaic 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 OpenSTFoundation/rust-mosaic 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 OpenSTFoundation/rust-mosaic
[INFO] finished frobbing OpenSTFoundation/rust-mosaic
[INFO] frobbed toml for OpenSTFoundation/rust-mosaic written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/OpenSTFoundation/rust-mosaic/Cargo.toml
[INFO] started frobbing OpenSTFoundation/rust-mosaic
[INFO] finished frobbing OpenSTFoundation/rust-mosaic
[INFO] frobbed toml for OpenSTFoundation/rust-mosaic written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/OpenSTFoundation/rust-mosaic/Cargo.toml
[INFO] crate OpenSTFoundation/rust-mosaic already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking OpenSTFoundation/rust-mosaic against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/OpenSTFoundation/rust-mosaic:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fad357dc656d9bb66407e1e01d06165a8f48cdaf20867fcdc528c38f5c85290e
[INFO] running `"docker" "start" "-a" "fad357dc656d9bb66407e1e01d06165a8f48cdaf20867fcdc528c38f5c85290e"`
[INFO] [stderr]     Checking rpassword v2.0.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking simple_logger v0.5.0
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking ethbloom v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking ethereum-types v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking rlp v0.3.0
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking websocket v0.20.4
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking hyper-tls v0.1.4
[INFO] [stderr]     Checking jsonrpc-core v8.0.1
[INFO] [stderr]     Checking ethabi v6.1.0
[INFO] [stderr]     Checking web3 v0.4.0
[INFO] [stderr]     Checking mosaic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config/mod.rs:253:60
[INFO] [stderr]     |
[INFO] [stderr] 253 | fn string_to_seconds(string: &str) -> Result<Duration, Box<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/observer/mod.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 |     reactors: Arc<Vec<Box<React>>>,
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/observer/mod.rs:41:27
[INFO] [stderr]    |
[INFO] [stderr] 41 |         reactors: Vec<Box<React>>,
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor/mod.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 | ) -> Result<Vec<Box<React>>, Error> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor/mod.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut origin_reactors: Vec<Box<React>> = Vec::new();
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor/mod.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 | ) -> Result<Vec<Box<React>>, Error> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor/mod.rs:87:41
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let mut auxiliary_reactors: Vec<Box<React>> = Vec::new();
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:47
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn run(config: &Config) -> 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/config/mod.rs:253:60
[INFO] [stderr]     |
[INFO] [stderr] 253 | fn string_to_seconds(string: &str) -> Result<Duration, Box<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/observer/mod.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 |     reactors: Arc<Vec<Box<React>>>,
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/observer/mod.rs:41:27
[INFO] [stderr]    |
[INFO] [stderr] 41 |         reactors: Vec<Box<React>>,
[INFO] [stderr]    |                           ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor/mod.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 | ) -> Result<Vec<Box<React>>, Error> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor/mod.rs:55:38
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut origin_reactors: Vec<Box<React>> = Vec::new();
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor/mod.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 | ) -> Result<Vec<Box<React>>, Error> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reactor/mod.rs:87:41
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let mut auxiliary_reactors: Vec<Box<React>> = Vec::new();
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn React`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:47
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn run(config: &Config) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Signature`
[INFO] [stderr]   --> src/ethereum/types/mod.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub type Signature = H520;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_accounts`
[INFO] [stderr]    --> src/ethereum/mod.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn get_accounts(&self) -> impl Future<Item = Vec<Address>, Error = Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sign`
[INFO] [stderr]    --> src/ethereum/mod.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn sign(&self, data: Bytes) -> impl Future<Item = Signature, Error = Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ethereum/types/block.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         write!(fmt, "Block ({:x})", self.hash);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Signature`
[INFO] [stderr]   --> src/ethereum/types/mod.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub type Signature = H520;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_accounts`
[INFO] [stderr]    --> src/ethereum/mod.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub fn get_accounts(&self) -> impl Future<Item = Vec<Address>, Error = Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sign`
[INFO] [stderr]    --> src/ethereum/mod.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn sign(&self, data: Bytes) -> impl Future<Item = Signature, Error = Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ethereum/types/block.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         write!(fmt, "Block ({:x})", self.hash);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "fad357dc656d9bb66407e1e01d06165a8f48cdaf20867fcdc528c38f5c85290e"`
[INFO] running `"docker" "rm" "-f" "fad357dc656d9bb66407e1e01d06165a8f48cdaf20867fcdc528c38f5c85290e"`
[INFO] [stdout] fad357dc656d9bb66407e1e01d06165a8f48cdaf20867fcdc528c38f5c85290e