[INFO] updating cached repository wchargin/de2fa
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wchargin/de2fa
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wchargin/de2fa" "work/ex/beta-1.38-1/sources/1.37.0/gh/wchargin/de2fa"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wchargin/de2fa'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wchargin/de2fa" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wchargin/de2fa"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wchargin/de2fa'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cc854c5dc85799f8eb08936d855d90d8279c332
[INFO] sha for GitHub repo wchargin/de2fa: 8cc854c5dc85799f8eb08936d855d90d8279c332
[INFO] validating manifest of wchargin/de2fa 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 wchargin/de2fa 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 wchargin/de2fa
[INFO] finished frobbing wchargin/de2fa
[INFO] frobbed toml for wchargin/de2fa written to work/ex/beta-1.38-1/sources/1.37.0/gh/wchargin/de2fa/Cargo.toml
[INFO] started frobbing wchargin/de2fa
[INFO] finished frobbing wchargin/de2fa
[INFO] frobbed toml for wchargin/de2fa written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wchargin/de2fa/Cargo.toml
[INFO] crate wchargin/de2fa 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 wchargin/de2fa 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-0/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/wchargin/de2fa:/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] 063b36a51dfe2dd5256432b43810b34323629edb01ca3da090f9c2560a1325fb
[INFO] running `"docker" "start" "-a" "063b36a51dfe2dd5256432b43810b34323629edb01ca3da090f9c2560a1325fb"`
[INFO] [stderr]    Compiling byte-tools v0.1.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling quirc v0.0.1
[INFO] [stderr]    Compiling inflate v0.4.2
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling generic-array v0.7.3
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-derive v0.2.0
[INFO] [stderr]    Compiling digest v0.5.2
[INFO] [stderr]    Compiling crypto-mac v0.3.0
[INFO] [stderr]    Compiling digest-buffer v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling hmac v0.1.1
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling sha2 v0.5.3
[INFO] [stderr]    Compiling sha-1 v0.3.4
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling oath v0.10.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling url v1.7.0
[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-1.7.0/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 de2fa v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "063b36a51dfe2dd5256432b43810b34323629edb01ca3da090f9c2560a1325fb"`
[INFO] running `"docker" "rm" "-f" "063b36a51dfe2dd5256432b43810b34323629edb01ca3da090f9c2560a1325fb"`
[INFO] [stdout] 063b36a51dfe2dd5256432b43810b34323629edb01ca3da090f9c2560a1325fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/wchargin/de2fa:/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] 9f9249335209ca4919c669ac3674b7d1e84d4825d4fbff3a205e50588eb478a6
[INFO] running `"docker" "start" "-a" "9f9249335209ca4919c669ac3674b7d1e84d4825d4fbff3a205e50588eb478a6"`
[INFO] [stderr]    Compiling de2fa v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "9f9249335209ca4919c669ac3674b7d1e84d4825d4fbff3a205e50588eb478a6"`
[INFO] running `"docker" "rm" "-f" "9f9249335209ca4919c669ac3674b7d1e84d4825d4fbff3a205e50588eb478a6"`
[INFO] [stdout] 9f9249335209ca4919c669ac3674b7d1e84d4825d4fbff3a205e50588eb478a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/wchargin/de2fa:/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] 9e9c666abbeed1c88dde6b662190999b4c9ce5d134d42c56f59c1a33a24c44c3
[INFO] running `"docker" "start" "-a" "9e9c666abbeed1c88dde6b662190999b4c9ce5d134d42c56f59c1a33a24c44c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/de2fa-7aa8465ae09d8348
[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" "9e9c666abbeed1c88dde6b662190999b4c9ce5d134d42c56f59c1a33a24c44c3"`
[INFO] running `"docker" "rm" "-f" "9e9c666abbeed1c88dde6b662190999b4c9ce5d134d42c56f59c1a33a24c44c3"`
[INFO] [stdout] 9e9c666abbeed1c88dde6b662190999b4c9ce5d134d42c56f59c1a33a24c44c3