[INFO] updating cached repository eagletmt/fastladder-twitter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eagletmt/fastladder-twitter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eagletmt/fastladder-twitter" "work/ex/beta-1.38-1/sources/1.37.0/gh/eagletmt/fastladder-twitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/eagletmt/fastladder-twitter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eagletmt/fastladder-twitter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eagletmt/fastladder-twitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eagletmt/fastladder-twitter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b36588a7f500c90278a8690fa843fac9810b7a6
[INFO] sha for GitHub repo eagletmt/fastladder-twitter: 3b36588a7f500c90278a8690fa843fac9810b7a6
[INFO] validating manifest of eagletmt/fastladder-twitter 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 eagletmt/fastladder-twitter 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 eagletmt/fastladder-twitter
[INFO] finished frobbing eagletmt/fastladder-twitter
[INFO] frobbed toml for eagletmt/fastladder-twitter written to work/ex/beta-1.38-1/sources/1.37.0/gh/eagletmt/fastladder-twitter/Cargo.toml
[INFO] started frobbing eagletmt/fastladder-twitter
[INFO] finished frobbing eagletmt/fastladder-twitter
[INFO] frobbed toml for eagletmt/fastladder-twitter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eagletmt/fastladder-twitter/Cargo.toml
[INFO] crate eagletmt/fastladder-twitter 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 eagletmt/fastladder-twitter 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/eagletmt/fastladder-twitter:/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] 961e17f5d9f769ec8433bba922ef503ad0f8f4b438124f0f0d347bac6b335446
[INFO] running `"docker" "start" "-a" "961e17f5d9f769ec8433bba922ef503ad0f8f4b438124f0f0d347bac6b335446"`
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling untrusted v0.3.2
[INFO] [stderr]    Compiling base64 v0.2.1
[INFO] [stderr]    Compiling serde v0.9.13
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling hyper v0.10.8
[INFO] [stderr]    Compiling idna v0.1.1
[INFO] [stderr]    Compiling syn v0.11.10
[INFO] [stderr]    Compiling clap v2.23.2
[INFO] [stderr]    Compiling env_logger v0.4.2
[INFO] [stderr]    Compiling rayon v0.7.0
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling ring v0.7.4
[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 v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.13
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling webpki v0.10.1
[INFO] [stderr]    Compiling webpki-roots v0.7.0
[INFO] [stderr]    Compiling rustls v0.5.8
[INFO] [stderr]    Compiling hyper-rustls v0.3.2
[INFO] [stderr]    Compiling fastladder-twitter v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `"docker" "inspect" "961e17f5d9f769ec8433bba922ef503ad0f8f4b438124f0f0d347bac6b335446"`
[INFO] running `"docker" "rm" "-f" "961e17f5d9f769ec8433bba922ef503ad0f8f4b438124f0f0d347bac6b335446"`
[INFO] [stdout] 961e17f5d9f769ec8433bba922ef503ad0f8f4b438124f0f0d347bac6b335446
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/eagletmt/fastladder-twitter:/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] ec08f50fa2df5acf3ac59268f3d93911369ef0cbb592b91abda3b4b8e12a434c
[INFO] running `"docker" "start" "-a" "ec08f50fa2df5acf3ac59268f3d93911369ef0cbb592b91abda3b4b8e12a434c"`
[INFO] [stderr]    Compiling fastladder-twitter v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "ec08f50fa2df5acf3ac59268f3d93911369ef0cbb592b91abda3b4b8e12a434c"`
[INFO] running `"docker" "rm" "-f" "ec08f50fa2df5acf3ac59268f3d93911369ef0cbb592b91abda3b4b8e12a434c"`
[INFO] [stdout] ec08f50fa2df5acf3ac59268f3d93911369ef0cbb592b91abda3b4b8e12a434c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/eagletmt/fastladder-twitter:/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] 4d8a3fb36ce2f2d885ae5fa3b536db1bdf09eb261b9e7d0a0391b770096b18d4
[INFO] running `"docker" "start" "-a" "4d8a3fb36ce2f2d885ae5fa3b536db1bdf09eb261b9e7d0a0391b770096b18d4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fastladder_twitter-584141ae98cd386b
[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" "4d8a3fb36ce2f2d885ae5fa3b536db1bdf09eb261b9e7d0a0391b770096b18d4"`
[INFO] running `"docker" "rm" "-f" "4d8a3fb36ce2f2d885ae5fa3b536db1bdf09eb261b9e7d0a0391b770096b18d4"`
[INFO] [stdout] 4d8a3fb36ce2f2d885ae5fa3b536db1bdf09eb261b9e7d0a0391b770096b18d4