[INFO] updating cached repository rjaym/symbol_paths
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rjaym/symbol_paths
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rjaym/symbol_paths" "work/ex/beta-1.38-1/sources/1.37.0/gh/rjaym/symbol_paths"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rjaym/symbol_paths'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rjaym/symbol_paths" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rjaym/symbol_paths"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rjaym/symbol_paths'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6f48b3c40f14739d49462e9958bb9ae1c216116
[INFO] sha for GitHub repo rjaym/symbol_paths: e6f48b3c40f14739d49462e9958bb9ae1c216116
[INFO] validating manifest of rjaym/symbol_paths 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 rjaym/symbol_paths 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 rjaym/symbol_paths
[INFO] finished frobbing rjaym/symbol_paths
[INFO] frobbed toml for rjaym/symbol_paths written to work/ex/beta-1.38-1/sources/1.37.0/gh/rjaym/symbol_paths/Cargo.toml
[INFO] started frobbing rjaym/symbol_paths
[INFO] finished frobbing rjaym/symbol_paths
[INFO] frobbed toml for rjaym/symbol_paths written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rjaym/symbol_paths/Cargo.toml
[INFO] crate rjaym/symbol_paths 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rjaym/symbol_paths 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rjaym/symbol_paths:/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] b519f40925a4dd562e872fcbb385a73a4f1dc60f39f5fc315ba41dd3caba0af7
[INFO] running `"docker" "start" "-a" "b519f40925a4dd562e872fcbb385a73a4f1dc60f39f5fc315ba41dd3caba0af7"`
[INFO] [stderr]    Compiling gcc v0.3.49
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling openssl v0.9.12
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling httparse v1.2.2
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling num-complex v0.1.37
[INFO] [stderr]    Compiling mime v0.2.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.2
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.10
[INFO] [stderr]    Compiling nodrop v0.1.9
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling openssl-sys v0.9.12
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling idna v0.1.2
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling block-buffer v0.2.0
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling hmac v0.4.2
[INFO] [stderr]    Compiling sha2 v0.6.0
[INFO] [stderr]    Compiling url v1.4.0
[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-1.4.0/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_json v1.0.2
[INFO] [stderr]    Compiling native-tls v0.1.2
[INFO] [stderr]    Compiling hyper-native-tls v0.2.2
[INFO] [stderr]    Compiling symbol_paths v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.16s
[INFO] running `"docker" "inspect" "b519f40925a4dd562e872fcbb385a73a4f1dc60f39f5fc315ba41dd3caba0af7"`
[INFO] running `"docker" "rm" "-f" "b519f40925a4dd562e872fcbb385a73a4f1dc60f39f5fc315ba41dd3caba0af7"`
[INFO] [stdout] b519f40925a4dd562e872fcbb385a73a4f1dc60f39f5fc315ba41dd3caba0af7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rjaym/symbol_paths:/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] 7db60d383e5acaa964d317a703659866c358a1cc0ff647ff260a766c92fae8e7
[INFO] running `"docker" "start" "-a" "7db60d383e5acaa964d317a703659866c358a1cc0ff647ff260a766c92fae8e7"`
[INFO] [stderr]    Compiling symbol_paths v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "7db60d383e5acaa964d317a703659866c358a1cc0ff647ff260a766c92fae8e7"`
[INFO] running `"docker" "rm" "-f" "7db60d383e5acaa964d317a703659866c358a1cc0ff647ff260a766c92fae8e7"`
[INFO] [stdout] 7db60d383e5acaa964d317a703659866c358a1cc0ff647ff260a766c92fae8e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rjaym/symbol_paths:/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] 7807af15e8d53a0e3f862368055d5fc5d08c474b11b99c7f405bffa53816ee4a
[INFO] running `"docker" "start" "-a" "7807af15e8d53a0e3f862368055d5fc5d08c474b11b99c7f405bffa53816ee4a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbol_paths-da9a9df950499fb8
[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" "7807af15e8d53a0e3f862368055d5fc5d08c474b11b99c7f405bffa53816ee4a"`
[INFO] running `"docker" "rm" "-f" "7807af15e8d53a0e3f862368055d5fc5d08c474b11b99c7f405bffa53816ee4a"`
[INFO] [stdout] 7807af15e8d53a0e3f862368055d5fc5d08c474b11b99c7f405bffa53816ee4a