[INFO] updating cached repository CraigglesO/ethpool-parity [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/CraigglesO/ethpool-parity [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/CraigglesO/ethpool-parity" "work/ex/beta-1.37-6/sources/1.36.0/gh/CraigglesO/ethpool-parity"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/CraigglesO/ethpool-parity'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/CraigglesO/ethpool-parity" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CraigglesO/ethpool-parity"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CraigglesO/ethpool-parity'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 36329d338b8e4857353c6b5cb1a10c7f30158e1a [INFO] sha for GitHub repo CraigglesO/ethpool-parity: 36329d338b8e4857353c6b5cb1a10c7f30158e1a [INFO] validating manifest of CraigglesO/ethpool-parity on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of CraigglesO/ethpool-parity on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing CraigglesO/ethpool-parity [INFO] finished frobbing CraigglesO/ethpool-parity [INFO] frobbed toml for CraigglesO/ethpool-parity written to work/ex/beta-1.37-6/sources/1.36.0/gh/CraigglesO/ethpool-parity/Cargo.toml [INFO] started frobbing CraigglesO/ethpool-parity [INFO] finished frobbing CraigglesO/ethpool-parity [INFO] frobbed toml for CraigglesO/ethpool-parity written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CraigglesO/ethpool-parity/Cargo.toml [INFO] crate CraigglesO/ethpool-parity already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing CraigglesO/ethpool-parity against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CraigglesO/ethpool-parity:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] fc3cacbf9307bdc35402b782cde1ba9846f992b68d337d19d793e843b024922e [INFO] running `"docker" "start" "-a" "fc3cacbf9307bdc35402b782cde1ba9846f992b68d337d19d793e843b024922e"` [INFO] [stderr] Compiling libc v0.2.23 [INFO] [stderr] Compiling lazycell v0.4.0 [INFO] [stderr] Compiling unicode-bidi v0.3.3 [INFO] [stderr] Compiling thread-id v3.1.0 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling iovec v0.1.0 [INFO] [stderr] Compiling net2 v0.2.29 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling term_size v0.3.0 [INFO] [stderr] Compiling idna v0.1.2 [INFO] [stderr] Compiling thread_local v0.3.3 [INFO] [stderr] Compiling bytes v0.4.4 [INFO] [stderr] Compiling clap v2.24.2 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling mio v0.6.8 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling url v1.4.1 [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-1.4.1/src/form_urlencoded.rs:248:40 [INFO] [stderr] | [INFO] [stderr] 246 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 247 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 248 | 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 ws v0.7.1 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling ethpool_parity v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.27s [INFO] running `"docker" "inspect" "fc3cacbf9307bdc35402b782cde1ba9846f992b68d337d19d793e843b024922e"` [INFO] running `"docker" "rm" "-f" "fc3cacbf9307bdc35402b782cde1ba9846f992b68d337d19d793e843b024922e"` [INFO] [stdout] fc3cacbf9307bdc35402b782cde1ba9846f992b68d337d19d793e843b024922e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CraigglesO/ethpool-parity:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 71a0afe7cd097678f65cdce5adc647057af7b591c5f9ac4f1a06c11c55165fd2 [INFO] running `"docker" "start" "-a" "71a0afe7cd097678f65cdce5adc647057af7b591c5f9ac4f1a06c11c55165fd2"` [INFO] [stderr] Compiling ethpool_parity v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `"docker" "inspect" "71a0afe7cd097678f65cdce5adc647057af7b591c5f9ac4f1a06c11c55165fd2"` [INFO] running `"docker" "rm" "-f" "71a0afe7cd097678f65cdce5adc647057af7b591c5f9ac4f1a06c11c55165fd2"` [INFO] [stdout] 71a0afe7cd097678f65cdce5adc647057af7b591c5f9ac4f1a06c11c55165fd2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CraigglesO/ethpool-parity:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] cb63701834d705fb7a04c4fca30b22c94985b5e5d9ea26cec74f455ed6bd3e0a [INFO] running `"docker" "start" "-a" "cb63701834d705fb7a04c4fca30b22c94985b5e5d9ea26cec74f455ed6bd3e0a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [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] Running /opt/crater/target/debug/deps/ethpool_parity-c782f05c0cdd9f9d [INFO] running `"docker" "inspect" "cb63701834d705fb7a04c4fca30b22c94985b5e5d9ea26cec74f455ed6bd3e0a"` [INFO] running `"docker" "rm" "-f" "cb63701834d705fb7a04c4fca30b22c94985b5e5d9ea26cec74f455ed6bd3e0a"` [INFO] [stdout] cb63701834d705fb7a04c4fca30b22c94985b5e5d9ea26cec74f455ed6bd3e0a