[INFO] updating cached repository vetio/dyndns-daemon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vetio/dyndns-daemon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vetio/dyndns-daemon" "work/ex/beta-1.38-1/sources/1.37.0/gh/vetio/dyndns-daemon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vetio/dyndns-daemon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vetio/dyndns-daemon" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vetio/dyndns-daemon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vetio/dyndns-daemon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6453f9b02bdbab52f1349a6f11801295e62f25f0
[INFO] sha for GitHub repo vetio/dyndns-daemon: 6453f9b02bdbab52f1349a6f11801295e62f25f0
[INFO] validating manifest of vetio/dyndns-daemon 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 vetio/dyndns-daemon 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 vetio/dyndns-daemon
[INFO] finished frobbing vetio/dyndns-daemon
[INFO] frobbed toml for vetio/dyndns-daemon written to work/ex/beta-1.38-1/sources/1.37.0/gh/vetio/dyndns-daemon/Cargo.toml
[INFO] started frobbing vetio/dyndns-daemon
[INFO] finished frobbing vetio/dyndns-daemon
[INFO] frobbed toml for vetio/dyndns-daemon written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vetio/dyndns-daemon/Cargo.toml
[INFO] crate vetio/dyndns-daemon 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 vetio/dyndns-daemon 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/vetio/dyndns-daemon:/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] 31b39f1e17412bcae307b90da5bcdf7c03f0039606d203dcc86085ed4d41a47a
[INFO] running `"docker" "start" "-a" "31b39f1e17412bcae307b90da5bcdf7c03f0039606d203dcc86085ed4d41a47a"`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling slog v2.2.3
[INFO] [stderr]    Compiling consistenttime v0.2.0
[INFO] [stderr]    Compiling isatty v0.1.8
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling openssl-sys v0.9.33
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling email v0.0.19
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling bytes v0.4.8
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling envy v0.3.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling tokio-threadpool v0.1.4
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling chrono v0.4.2
[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-1.7.0/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 tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-fs v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling h2 v0.1.9
[INFO] [stderr]    Compiling lettre v0.6.2
[INFO] [stderr]    Compiling hyper v0.12.1
[INFO] [stderr]    Compiling dyndns-daemon v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `"docker" "inspect" "31b39f1e17412bcae307b90da5bcdf7c03f0039606d203dcc86085ed4d41a47a"`
[INFO] running `"docker" "rm" "-f" "31b39f1e17412bcae307b90da5bcdf7c03f0039606d203dcc86085ed4d41a47a"`
[INFO] [stdout] 31b39f1e17412bcae307b90da5bcdf7c03f0039606d203dcc86085ed4d41a47a
[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/vetio/dyndns-daemon:/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] b18ccf11546cd3bd722e3542fc58181947b609a783dddca2fe180c9066d4a594
[INFO] running `"docker" "start" "-a" "b18ccf11546cd3bd722e3542fc58181947b609a783dddca2fe180c9066d4a594"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling dyndns-daemon v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.53s
[INFO] running `"docker" "inspect" "b18ccf11546cd3bd722e3542fc58181947b609a783dddca2fe180c9066d4a594"`
[INFO] running `"docker" "rm" "-f" "b18ccf11546cd3bd722e3542fc58181947b609a783dddca2fe180c9066d4a594"`
[INFO] [stdout] b18ccf11546cd3bd722e3542fc58181947b609a783dddca2fe180c9066d4a594
[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/vetio/dyndns-daemon:/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] 165556339a8584c355e96d7aa275d1be28af94941f225a777bdae249bd823019
[INFO] running `"docker" "start" "-a" "165556339a8584c355e96d7aa275d1be28af94941f225a777bdae249bd823019"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dyndns_daemon-1145e1ef0220c657
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test template::tests::segments_append_to_text ... 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" "165556339a8584c355e96d7aa275d1be28af94941f225a777bdae249bd823019"`
[INFO] running `"docker" "rm" "-f" "165556339a8584c355e96d7aa275d1be28af94941f225a777bdae249bd823019"`
[INFO] [stdout] 165556339a8584c355e96d7aa275d1be28af94941f225a777bdae249bd823019