Dec 18 06:03:46.835 INFO checking OpenSTFoundation/rust-mosaic against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:03:46.835 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:03:47.518 INFO [stdout] 040c765f0072172056d2ba31322f9b218cc1f71f7f956348f988cf6b63394781
Dec 18 06:03:47.520 INFO running `"docker" "start" "-a" "040c765f0072172056d2ba31322f9b218cc1f71f7f956348f988cf6b63394781"`
Dec 18 06:03:49.860 INFO [stderr]     Checking rustc-hex v2.0.1
Dec 18 06:03:49.882 INFO [stderr]     Checking rpassword v2.0.0
Dec 18 06:03:49.882 INFO [stderr]     Checking simple_logger v0.5.0
Dec 18 06:03:49.887 INFO [stderr]     Checking ethereum-types-serialize v0.2.1
Dec 18 06:03:49.887 INFO [stderr]     Checking jsonrpc-core v8.0.1
Dec 18 06:03:49.890 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 18 06:03:49.890 INFO [stderr]     Checking tokio-uds v0.1.7
Dec 18 06:03:49.890 INFO [stderr]     Checking websocket v0.20.4
Dec 18 06:03:51.196 INFO [stderr]     Checking fixed-hash v0.2.5
Dec 18 06:03:51.363 INFO [stderr]     Checking uint v0.4.1
Dec 18 06:03:52.685 INFO [stderr]     Checking ethbloom v0.5.0
Dec 18 06:03:58.120 INFO [stderr]     Checking ethereum-types v0.4.0
Dec 18 06:04:00.330 INFO [stderr]     Checking hyper v0.11.27
Dec 18 06:04:04.260 INFO [stderr]     Checking ethabi v6.1.0
Dec 18 06:04:04.265 INFO [stderr]     Checking rlp v0.3.0
Dec 18 06:04:09.355 INFO [stderr]     Checking hyper-tls v0.1.4
Dec 18 06:04:10.626 INFO [stderr]     Checking web3 v0.4.0
Dec 18 06:04:17.676 INFO [stderr]     Checking mosaic v0.1.0 (/opt/crater/workdir)
Dec 18 06:04:21.384 INFO [stderr] warning: type alias is never used: `Signature`
Dec 18 06:04:21.385 INFO [stderr]   --> src/ethereum/types/mod.rs:24:1
Dec 18 06:04:21.385 INFO [stderr]    |
Dec 18 06:04:21.385 INFO [stderr] 24 | pub type Signature = H520;
Dec 18 06:04:21.386 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:04:21.386 INFO [stderr]    |
Dec 18 06:04:21.386 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:04:21.386 INFO [stderr] 
Dec 18 06:04:21.387 INFO [stderr] warning: method is never used: `get_accounts`
Dec 18 06:04:21.387 INFO [stderr]    --> src/ethereum/mod.rs:165:5
Dec 18 06:04:21.388 INFO [stderr]     |
Dec 18 06:04:21.388 INFO [stderr] 165 |     pub fn get_accounts(&self) -> impl Future<Item = Vec<Address>, Error = Error> {
Dec 18 06:04:21.388 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:04:21.388 INFO [stderr] 
Dec 18 06:04:21.389 INFO [stderr] warning: method is never used: `sign`
Dec 18 06:04:21.389 INFO [stderr]    --> src/ethereum/mod.rs:184:5
Dec 18 06:04:21.389 INFO [stderr]     |
Dec 18 06:04:21.390 INFO [stderr] 184 |     pub fn sign(&self, data: Bytes) -> impl Future<Item = Signature, Error = Error> {
Dec 18 06:04:21.390 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:04:21.390 INFO [stderr] 
Dec 18 06:04:21.396 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:04:21.396 INFO [stderr]   --> src/ethereum/types/block.rs:48:9
Dec 18 06:04:21.397 INFO [stderr]    |
Dec 18 06:04:21.397 INFO [stderr] 48 |         write!(fmt, "Block ({:x})", self.hash);
Dec 18 06:04:21.397 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:04:21.397 INFO [stderr]    |
Dec 18 06:04:21.398 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:04:21.398 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:04:21.398 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 06:04:21.399 INFO [stderr] 
Dec 18 06:04:21.541 INFO [stderr] warning: type alias is never used: `Signature`
Dec 18 06:04:21.541 INFO [stderr]   --> src/ethereum/types/mod.rs:24:1
Dec 18 06:04:21.541 INFO [stderr]    |
Dec 18 06:04:21.542 INFO [stderr] 24 | pub type Signature = H520;
Dec 18 06:04:21.542 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:04:21.542 INFO [stderr]    |
Dec 18 06:04:21.543 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:04:21.543 INFO [stderr] 
Dec 18 06:04:21.543 INFO [stderr] warning: method is never used: `get_accounts`
Dec 18 06:04:21.543 INFO [stderr]    --> src/ethereum/mod.rs:165:5
Dec 18 06:04:21.544 INFO [stderr]     |
Dec 18 06:04:21.544 INFO [stderr] 165 |     pub fn get_accounts(&self) -> impl Future<Item = Vec<Address>, Error = Error> {
Dec 18 06:04:21.544 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:04:21.544 INFO [stderr] 
Dec 18 06:04:21.545 INFO [stderr] warning: method is never used: `sign`
Dec 18 06:04:21.545 INFO [stderr]    --> src/ethereum/mod.rs:184:5
Dec 18 06:04:21.545 INFO [stderr]     |
Dec 18 06:04:21.546 INFO [stderr] 184 |     pub fn sign(&self, data: Bytes) -> impl Future<Item = Signature, Error = Error> {
Dec 18 06:04:21.546 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:04:21.546 INFO [stderr] 
Dec 18 06:04:21.546 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:04:21.546 INFO [stderr]   --> src/ethereum/types/block.rs:48:9
Dec 18 06:04:21.547 INFO [stderr]    |
Dec 18 06:04:21.547 INFO [stderr] 48 |         write!(fmt, "Block ({:x})", self.hash);
Dec 18 06:04:21.547 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:04:21.547 INFO [stderr]    |
Dec 18 06:04:21.548 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:04:21.548 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:04:21.548 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 06:04:21.548 INFO [stderr] 
Dec 18 06:04:25.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.01s
Dec 18 06:04:27.534 INFO running `"docker" "inspect" "040c765f0072172056d2ba31322f9b218cc1f71f7f956348f988cf6b63394781"`
Dec 18 06:04:27.834 INFO running `"docker" "rm" "-f" "040c765f0072172056d2ba31322f9b218cc1f71f7f956348f988cf6b63394781"`
Dec 18 06:04:28.220 INFO [stdout] 040c765f0072172056d2ba31322f9b218cc1f71f7f956348f988cf6b63394781