[INFO] updating cached repository tomusdrw/rustfest-2017 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tomusdrw/rustfest-2017 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tomusdrw/rustfest-2017" "work/ex/beta-1.38-1/sources/1.37.0/gh/tomusdrw/rustfest-2017"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tomusdrw/rustfest-2017'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tomusdrw/rustfest-2017" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomusdrw/rustfest-2017"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomusdrw/rustfest-2017'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d10a5d7ddfa7564213657c9a4255a09393b946cb [INFO] sha for GitHub repo tomusdrw/rustfest-2017: d10a5d7ddfa7564213657c9a4255a09393b946cb [INFO] validating manifest of tomusdrw/rustfest-2017 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 tomusdrw/rustfest-2017 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 tomusdrw/rustfest-2017 [INFO] finished frobbing tomusdrw/rustfest-2017 [INFO] frobbed toml for tomusdrw/rustfest-2017 written to work/ex/beta-1.38-1/sources/1.37.0/gh/tomusdrw/rustfest-2017/Cargo.toml [INFO] started frobbing tomusdrw/rustfest-2017 [INFO] finished frobbing tomusdrw/rustfest-2017 [INFO] frobbed toml for tomusdrw/rustfest-2017 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomusdrw/rustfest-2017/Cargo.toml [INFO] crate tomusdrw/rustfest-2017 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] [stderr] Blocking waiting for file lock on package cache [INFO] testing tomusdrw/rustfest-2017 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomusdrw/rustfest-2017:/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] c1dccf2c10040995876e8ef5a504226ac0e47fd8dc8ec261abc881e7a73c5369 [INFO] running `"docker" "start" "-a" "c1dccf2c10040995876e8ef5a504226ac0e47fd8dc8ec261abc881e7a73c5369"` [INFO] [stderr] Compiling iovec v0.1.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num_cpus v1.6.2 [INFO] [stderr] Compiling openssl-sys v0.9.31 [INFO] [stderr] Compiling net2 v0.2.31 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling tokio-service v0.1.0 [INFO] [stderr] Compiling relay v0.1.1 [INFO] [stderr] Compiling tokio-timer v0.1.2 [INFO] [stderr] Compiling ethereum-types-serialize v0.2.1 [INFO] [stderr] Compiling parking_lot_core v0.2.6 [INFO] [stderr] Compiling bytes v0.4.5 [INFO] [stderr] Compiling uint v0.2.1 [INFO] [stderr] Compiling ethereum-types v0.3.2 [INFO] [stderr] Compiling backtrace-sys v0.1.19 [INFO] [stderr] Compiling tiny-keccak v1.4.2 [INFO] [stderr] Compiling url v1.7.0 [INFO] [stderr] Compiling mio v0.6.10 [INFO] [stderr] Compiling futures-cpupool v0.1.6 [INFO] [stderr] Compiling backtrace v0.3.8 [INFO] [stderr] Compiling tokio-io v0.1.3 [INFO] [stderr] Compiling mime v0.3.4 [INFO] [stderr] Compiling jsonrpc-core v8.0.1 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Compiling parking_lot v0.5.5 [INFO] [stderr] Compiling fixed-hash v0.2.1 [INFO] [stderr] Compiling error-chain v0.11.0 [INFO] [stderr] Compiling ethbloom v0.5.0 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling tokio-core v0.1.9 [INFO] [stderr] Compiling mio-uds v0.6.4 [INFO] [stderr] Compiling hyper v0.10.13 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling tokio-uds v0.1.5 [INFO] [stderr] Compiling native-tls v0.1.5 [INFO] [stderr] Compiling tokio-tls v0.1.4 [INFO] [stderr] Compiling hyper v0.11.7 [INFO] [stderr] Compiling websocket v0.20.2 [INFO] [stderr] Compiling hyper-tls v0.1.3 [INFO] [stderr] Compiling ethabi v5.1.1 [INFO] [stderr] Compiling web3 v0.3.0 [INFO] [stderr] Compiling rustfest-2017 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:28:23 [INFO] [stderr] | [INFO] [stderr] 28 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 48s [INFO] running `"docker" "inspect" "c1dccf2c10040995876e8ef5a504226ac0e47fd8dc8ec261abc881e7a73c5369"` [INFO] running `"docker" "rm" "-f" "c1dccf2c10040995876e8ef5a504226ac0e47fd8dc8ec261abc881e7a73c5369"` [INFO] [stdout] c1dccf2c10040995876e8ef5a504226ac0e47fd8dc8ec261abc881e7a73c5369 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomusdrw/rustfest-2017:/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] b4b09f8595a4bc5fb18c61addfb3a6c5f51f64026e17fc93371738e031225e67 [INFO] running `"docker" "start" "-a" "b4b09f8595a4bc5fb18c61addfb3a6c5f51f64026e17fc93371738e031225e67"` [INFO] [stderr] Compiling rustfest-2017 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:28:23 [INFO] [stderr] | [INFO] [stderr] 28 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.86s [INFO] running `"docker" "inspect" "b4b09f8595a4bc5fb18c61addfb3a6c5f51f64026e17fc93371738e031225e67"` [INFO] running `"docker" "rm" "-f" "b4b09f8595a4bc5fb18c61addfb3a6c5f51f64026e17fc93371738e031225e67"` [INFO] [stdout] b4b09f8595a4bc5fb18c61addfb3a6c5f51f64026e17fc93371738e031225e67 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/tomusdrw/rustfest-2017:/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] 7843708ceb5bc21422ce58a76c2ef4a2f3855dfd1f799a13c02db1d4cf083edf [INFO] running `"docker" "start" "-a" "7843708ceb5bc21422ce58a76c2ef4a2f3855dfd1f799a13c02db1d4cf083edf"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/crater/target/debug/deps/rustfest_2017-097f67f677782a8d [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" "7843708ceb5bc21422ce58a76c2ef4a2f3855dfd1f799a13c02db1d4cf083edf"` [INFO] running `"docker" "rm" "-f" "7843708ceb5bc21422ce58a76c2ef4a2f3855dfd1f799a13c02db1d4cf083edf"` [INFO] [stdout] 7843708ceb5bc21422ce58a76c2ef4a2f3855dfd1f799a13c02db1d4cf083edf