[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/beta-1.38-1/sources/1.37.0/gh/OpenSTFoundation/rust-mosaic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/OpenSTFoundation/rust-mosaic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/OpenSTFoundation/rust-mosaic" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/OpenSTFoundation/rust-mosaic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of OpenSTFoundation/rust-mosaic on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing OpenSTFoundation/rust-mosaic against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] caf561eb239b9a61c36d26b58d17781bde4e497c80c3887052dd729f31d8abaf
[INFO] running `"docker" "start" "-a" "caf561eb239b9a61c36d26b58d17781bde4e497c80c3887052dd729f31d8abaf"`
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling rpassword v2.0.0
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling simple_logger v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling jsonrpc-core v8.0.1
[INFO] [stderr]    Compiling tiny-keccak v1.4.2
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling fixed-hash v0.2.5
[INFO] [stderr]    Compiling uint v0.4.1
[INFO] [stderr]    Compiling ethbloom v0.5.0
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.1.7
[INFO] [stderr]    Compiling websocket v0.20.4
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling ethereum-types v0.4.0
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[INFO] [stderr]    Compiling ethabi v6.1.0
[INFO] [stderr]    Compiling rlp v0.3.0
[INFO] [stderr]    Compiling web3 v0.4.0
[INFO] [stderr]    Compiling 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: 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 41s
[INFO] running `"docker" "inspect" "caf561eb239b9a61c36d26b58d17781bde4e497c80c3887052dd729f31d8abaf"`
[INFO] running `"docker" "rm" "-f" "caf561eb239b9a61c36d26b58d17781bde4e497c80c3887052dd729f31d8abaf"`
[INFO] [stdout] caf561eb239b9a61c36d26b58d17781bde4e497c80c3887052dd729f31d8abaf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a37336c932c3e1c3041e03e6e5d23bc6ec88b3b0d0e38d097eaba2d58fe37b8d
[INFO] running `"docker" "start" "-a" "a37336c932c3e1c3041e03e6e5d23bc6ec88b3b0d0e38d097eaba2d58fe37b8d"`
[INFO] [stderr]    Compiling 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: 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 5.39s
[INFO] running `"docker" "inspect" "a37336c932c3e1c3041e03e6e5d23bc6ec88b3b0d0e38d097eaba2d58fe37b8d"`
[INFO] running `"docker" "rm" "-f" "a37336c932c3e1c3041e03e6e5d23bc6ec88b3b0d0e38d097eaba2d58fe37b8d"`
[INFO] [stdout] a37336c932c3e1c3041e03e6e5d23bc6ec88b3b0d0e38d097eaba2d58fe37b8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 95dfacfb2e340a99f8e95a390b8c32635cd1eb8bb9bb369ae0afc6804cf176ba
[INFO] running `"docker" "start" "-a" "95dfacfb2e340a99f8e95a390b8c32635cd1eb8bb9bb369ae0afc6804cf176ba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mosaic-e4fb846b9cff409e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test config::test::the_config_reads_the_environment_variables ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mosaic-baddbfd7abbd49d5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mosaic
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "95dfacfb2e340a99f8e95a390b8c32635cd1eb8bb9bb369ae0afc6804cf176ba"`
[INFO] running `"docker" "rm" "-f" "95dfacfb2e340a99f8e95a390b8c32635cd1eb8bb9bb369ae0afc6804cf176ba"`
[INFO] [stdout] 95dfacfb2e340a99f8e95a390b8c32635cd1eb8bb9bb369ae0afc6804cf176ba