[INFO] updating cached repository shioju/sumr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shioju/sumr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shioju/sumr" "work/ex/beta-1.38-1/sources/1.37.0/gh/shioju/sumr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/shioju/sumr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shioju/sumr" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shioju/sumr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shioju/sumr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b3cffa0bfb4b53a571de5bea97f2659f18032343
[INFO] sha for GitHub repo shioju/sumr: b3cffa0bfb4b53a571de5bea97f2659f18032343
[INFO] validating manifest of shioju/sumr 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 shioju/sumr 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 shioju/sumr
[INFO] finished frobbing shioju/sumr
[INFO] frobbed toml for shioju/sumr written to work/ex/beta-1.38-1/sources/1.37.0/gh/shioju/sumr/Cargo.toml
[INFO] started frobbing shioju/sumr
[INFO] finished frobbing shioju/sumr
[INFO] frobbed toml for shioju/sumr written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/shioju/sumr/Cargo.toml
[INFO] crate shioju/sumr 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 shioju/sumr 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-6/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/shioju/sumr:/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] 8fc76f515dd07321cb7eacc79a41b8af93240c8d4abe1740eed96253a9e106a0
[INFO] running `"docker" "start" "-a" "8fc76f515dd07321cb7eacc79a41b8af93240c8d4abe1740eed96253a9e106a0"`
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]    Compiling quote v0.3.13
[INFO] [stderr]    Compiling serde v0.9.8
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[INFO] [stderr]    Compiling synom v0.11.0
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling syn v0.11.6
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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_codegen_internals v0.14.0
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling serde_derive v0.9.8
[INFO] [stderr]    Compiling native-tls v0.1.1
[INFO] [stderr]    Compiling serde_json v0.9.8
[INFO] [stderr]    Compiling serde_urlencoded v0.4.2
[INFO] [stderr]    Compiling toml v0.3.1
[INFO] [stderr]    Compiling hyper-native-tls v0.2.2
[INFO] [stderr]    Compiling reqwest v0.4.0
[INFO] [stderr]    Compiling sumr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.68s
[INFO] running `"docker" "inspect" "8fc76f515dd07321cb7eacc79a41b8af93240c8d4abe1740eed96253a9e106a0"`
[INFO] running `"docker" "rm" "-f" "8fc76f515dd07321cb7eacc79a41b8af93240c8d4abe1740eed96253a9e106a0"`
[INFO] [stdout] 8fc76f515dd07321cb7eacc79a41b8af93240c8d4abe1740eed96253a9e106a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/shioju/sumr:/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] 73ab012214aab4bda8f1cef4139acfe8ff84478591899d8d0237080d437486e5
[INFO] running `"docker" "start" "-a" "73ab012214aab4bda8f1cef4139acfe8ff84478591899d8d0237080d437486e5"`
[INFO] [stderr]    Compiling sumr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `"docker" "inspect" "73ab012214aab4bda8f1cef4139acfe8ff84478591899d8d0237080d437486e5"`
[INFO] running `"docker" "rm" "-f" "73ab012214aab4bda8f1cef4139acfe8ff84478591899d8d0237080d437486e5"`
[INFO] [stdout] 73ab012214aab4bda8f1cef4139acfe8ff84478591899d8d0237080d437486e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/shioju/sumr:/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] f4bd6396d9ab1c70de92cf80a5805fbc33654ce30870581abea7cdb432868f0a
[INFO] running `"docker" "start" "-a" "f4bd6396d9ab1c70de92cf80a5805fbc33654ce30870581abea7cdb432868f0a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sumr-f1ec60da71ad356c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_reads_and_parses_a_config_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f4bd6396d9ab1c70de92cf80a5805fbc33654ce30870581abea7cdb432868f0a"`
[INFO] running `"docker" "rm" "-f" "f4bd6396d9ab1c70de92cf80a5805fbc33654ce30870581abea7cdb432868f0a"`
[INFO] [stdout] f4bd6396d9ab1c70de92cf80a5805fbc33654ce30870581abea7cdb432868f0a