[INFO] updating cached repository Henning-K/cargo-authors
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Henning-K/cargo-authors
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Henning-K/cargo-authors" "work/ex/beta-1.38-1/sources/1.37.0/gh/Henning-K/cargo-authors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Henning-K/cargo-authors'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Henning-K/cargo-authors" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Henning-K/cargo-authors"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Henning-K/cargo-authors'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 96b0ddaef60ab251126d0cf5a5d769e52425221c
[INFO] sha for GitHub repo Henning-K/cargo-authors: 96b0ddaef60ab251126d0cf5a5d769e52425221c
[INFO] validating manifest of Henning-K/cargo-authors 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 Henning-K/cargo-authors 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 Henning-K/cargo-authors
[INFO] finished frobbing Henning-K/cargo-authors
[INFO] frobbed toml for Henning-K/cargo-authors written to work/ex/beta-1.38-1/sources/1.37.0/gh/Henning-K/cargo-authors/Cargo.toml
[INFO] started frobbing Henning-K/cargo-authors
[INFO] finished frobbing Henning-K/cargo-authors
[INFO] frobbed toml for Henning-K/cargo-authors written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Henning-K/cargo-authors/Cargo.toml
[INFO] crate Henning-K/cargo-authors 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 Henning-K/cargo-authors 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/Henning-K/cargo-authors:/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] 910569dd00746ce19d3b7f235848db1ead747391187424baa10e3089c4b7e3dc
[INFO] running `"docker" "start" "-a" "910569dd00746ce19d3b7f235848db1ead747391187424baa10e3089c4b7e3dc"`
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling home v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling serde_ignored v0.0.4
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling jobserver v0.1.12
[INFO] [stderr]    Compiling fs2 v0.4.2
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.19
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling regex v1.1.2
[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-1.6.0/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 regex v0.2.2
[INFO] [stderr]    Compiling tar v0.4.20
[INFO] [stderr]    Compiling curl v0.4.19
[INFO] [stderr]    Compiling ripemd160 v0.8.0
[INFO] [stderr]    Compiling flate2 v1.0.5
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling crypto-hash v0.3.1
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling globset v0.4.2
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling backtrace v0.3.3
[INFO] [stderr]    Compiling docopt v0.8.1
[INFO] [stderr]    Compiling ignore v0.4.4
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling crates-io v0.19.0
[INFO] [stderr]    Compiling opener v0.3.2
[INFO] [stderr]    Compiling rustfix v0.4.2
[INFO] [stderr]    Compiling git2-curl v0.8.2
[INFO] [stderr]    Compiling cargo v0.31.0
[INFO] [stderr]    Compiling cargo-authors v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 43s
[INFO] running `"docker" "inspect" "910569dd00746ce19d3b7f235848db1ead747391187424baa10e3089c4b7e3dc"`
[INFO] running `"docker" "rm" "-f" "910569dd00746ce19d3b7f235848db1ead747391187424baa10e3089c4b7e3dc"`
[INFO] [stdout] 910569dd00746ce19d3b7f235848db1ead747391187424baa10e3089c4b7e3dc
[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/Henning-K/cargo-authors:/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] 60a2b0360bb03e58f02a6d8d233782fce73266956740019df9ae5774a7cac553
[INFO] running `"docker" "start" "-a" "60a2b0360bb03e58f02a6d8d233782fce73266956740019df9ae5774a7cac553"`
[INFO] [stderr]    Compiling cargo-authors v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `"docker" "inspect" "60a2b0360bb03e58f02a6d8d233782fce73266956740019df9ae5774a7cac553"`
[INFO] running `"docker" "rm" "-f" "60a2b0360bb03e58f02a6d8d233782fce73266956740019df9ae5774a7cac553"`
[INFO] [stdout] 60a2b0360bb03e58f02a6d8d233782fce73266956740019df9ae5774a7cac553
[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/Henning-K/cargo-authors:/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] e576aa0ba775f44fb2e5b71116f6db487376cc338b89d175a397b11da6ec34ba
[INFO] running `"docker" "start" "-a" "e576aa0ba775f44fb2e5b71116f6db487376cc338b89d175a397b11da6ec34ba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_authors-008a81739f0d6701
[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" "e576aa0ba775f44fb2e5b71116f6db487376cc338b89d175a397b11da6ec34ba"`
[INFO] running `"docker" "rm" "-f" "e576aa0ba775f44fb2e5b71116f6db487376cc338b89d175a397b11da6ec34ba"`
[INFO] [stdout] e576aa0ba775f44fb2e5b71116f6db487376cc338b89d175a397b11da6ec34ba