[INFO] updating cached repository hhatto/rcoin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hhatto/rcoin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hhatto/rcoin" "work/ex/beta-1.38-1/sources/1.37.0/gh/hhatto/rcoin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hhatto/rcoin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hhatto/rcoin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hhatto/rcoin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hhatto/rcoin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd31d899c9ecd47b07b65e1ecfaa15d10354be3d
[INFO] sha for GitHub repo hhatto/rcoin: bd31d899c9ecd47b07b65e1ecfaa15d10354be3d
[INFO] validating manifest of hhatto/rcoin 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 hhatto/rcoin 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 hhatto/rcoin
[INFO] finished frobbing hhatto/rcoin
[INFO] frobbed toml for hhatto/rcoin written to work/ex/beta-1.38-1/sources/1.37.0/gh/hhatto/rcoin/Cargo.toml
[INFO] started frobbing hhatto/rcoin
[INFO] finished frobbing hhatto/rcoin
[INFO] frobbed toml for hhatto/rcoin written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hhatto/rcoin/Cargo.toml
[INFO] crate hhatto/rcoin 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 hhatto/rcoin against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hhatto/rcoin:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1af1e3b98c2476dbf706d47664301fb1304b6e4a98bcd90f90954bf9ccc79ac4
[INFO] running `"docker" "start" "-a" "1af1e3b98c2476dbf706d47664301fb1304b6e4a98bcd90f90954bf9ccc79ac4"`
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling tokio-executor v0.1.1
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.2.13
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling uuid v0.6.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.2.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.27
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling regex v0.2.10
[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 serde_derive_internals v0.22.2
[INFO] [stderr]    Compiling crossbeam-channel v0.1.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling h2 v0.1.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.36
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling tokio v0.1.4
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling tokio-core v0.1.16
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling trust-dns-proto v0.3.2
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-signal v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]    Compiling hyper v0.11.24
[INFO] [stderr]    Compiling trust-dns-resolver v0.8.1
[INFO] [stderr]    Compiling cookie v0.10.1
[INFO] [stderr]    Compiling skeptic v0.13.2
[INFO] [stderr]    Compiling actix v0.5.5
[INFO] [stderr]    Compiling actix-web v0.4.10
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling reqwest v0.8.5
[INFO] [stderr]    Compiling rcoin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 37s
[INFO] running `"docker" "inspect" "1af1e3b98c2476dbf706d47664301fb1304b6e4a98bcd90f90954bf9ccc79ac4"`
[INFO] running `"docker" "rm" "-f" "1af1e3b98c2476dbf706d47664301fb1304b6e4a98bcd90f90954bf9ccc79ac4"`
[INFO] [stdout] 1af1e3b98c2476dbf706d47664301fb1304b6e4a98bcd90f90954bf9ccc79ac4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hhatto/rcoin:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d1d80909a4797e81e0e53df364df6078c1bd94465911a42a046a1d4e2e845d0c
[INFO] running `"docker" "start" "-a" "d1d80909a4797e81e0e53df364df6078c1bd94465911a42a046a1d4e2e845d0c"`
[INFO] [stderr]    Compiling rcoin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "d1d80909a4797e81e0e53df364df6078c1bd94465911a42a046a1d4e2e845d0c"`
[INFO] running `"docker" "rm" "-f" "d1d80909a4797e81e0e53df364df6078c1bd94465911a42a046a1d4e2e845d0c"`
[INFO] [stdout] d1d80909a4797e81e0e53df364df6078c1bd94465911a42a046a1d4e2e845d0c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hhatto/rcoin:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4b1d0318b07d3979e4817b4326751a1bbbbcb9960c34de7aefd8dd4bb43db882
[INFO] running `"docker" "start" "-a" "4b1d0318b07d3979e4817b4326751a1bbbbcb9960c34de7aefd8dd4bb43db882"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rcoin-552ca1e56b74db8e
[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" "4b1d0318b07d3979e4817b4326751a1bbbbcb9960c34de7aefd8dd4bb43db882"`
[INFO] running `"docker" "rm" "-f" "4b1d0318b07d3979e4817b4326751a1bbbbcb9960c34de7aefd8dd4bb43db882"`
[INFO] [stdout] 4b1d0318b07d3979e4817b4326751a1bbbbcb9960c34de7aefd8dd4bb43db882