[INFO] updating cached repository alinoeabrassart/rustgistrator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alinoeabrassart/rustgistrator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alinoeabrassart/rustgistrator" "work/ex/beta-1.38-1/sources/1.37.0/gh/alinoeabrassart/rustgistrator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alinoeabrassart/rustgistrator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alinoeabrassart/rustgistrator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alinoeabrassart/rustgistrator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alinoeabrassart/rustgistrator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 503dce971045d8215883f675b3eaae8a58730db4
[INFO] sha for GitHub repo alinoeabrassart/rustgistrator: 503dce971045d8215883f675b3eaae8a58730db4
[INFO] validating manifest of alinoeabrassart/rustgistrator 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 alinoeabrassart/rustgistrator 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 alinoeabrassart/rustgistrator
[INFO] finished frobbing alinoeabrassart/rustgistrator
[INFO] frobbed toml for alinoeabrassart/rustgistrator written to work/ex/beta-1.38-1/sources/1.37.0/gh/alinoeabrassart/rustgistrator/Cargo.toml
[INFO] started frobbing alinoeabrassart/rustgistrator
[INFO] finished frobbing alinoeabrassart/rustgistrator
[INFO] frobbed toml for alinoeabrassart/rustgistrator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alinoeabrassart/rustgistrator/Cargo.toml
[INFO] crate alinoeabrassart/rustgistrator 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 alinoeabrassart/rustgistrator 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alinoeabrassart/rustgistrator:/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] dbf3158e5ba8e33df153ff5afaf102ef322389954573024b8467e8f3e6361807
[INFO] running `"docker" "start" "-a" "dbf3158e5ba8e33df153ff5afaf102ef322389954573024b8467e8f3e6361807"`
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling serde v1.0.53
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling unicode-bidi v0.2.6
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling jed v0.1.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling tar v0.3.4
[INFO] [stderr]    Compiling uuid v0.2.3
[INFO] [stderr]    Compiling syn v0.13.7
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling url v0.5.10
[INFO] [stderr]    Compiling openssl-sys v0.9.30
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling flate2 v0.2.20
[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 hyper v0.10.13
[INFO] [stderr]    Compiling serde_derive v1.0.53
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling hyper-openssl v0.2.7
[INFO] [stderr]    Compiling hyperlocal v0.3.0
[INFO] [stderr]    Compiling shiplift v0.3.2
[INFO] [stderr]    Compiling consul v0.2.0
[INFO] [stderr]    Compiling rustgistrator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend_manager.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub backends: Vec<Box<Backend>>,
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn Backend`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `e_t` is never read
[INFO] [stderr]   --> src/docker_iface.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut e_t = EventType::Unknown;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Start`
[INFO] [stderr]   --> src/docker_iface.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Start,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stop`
[INFO] [stderr]   --> src/docker_iface.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Stop,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/docker_iface.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Unknown
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `event_to_declaration`
[INFO] [stderr]   --> src/docker_iface.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn event_to_declaration(event: &Event) -> Option<ServiceDeclaration> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `event_to_service`
[INFO] [stderr]   --> src/docker_iface.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn event_to_service(event: &Event) -> ServiceEvent {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BackendManager`
[INFO] [stderr]   --> src/backend_manager.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct BackendManager {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register`
[INFO] [stderr]   --> src/backend_manager.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn register(&self, service: ServiceDeclaration) -> Result<Vec<()>, String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `deregister`
[INFO] [stderr]   --> src/backend_manager.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn deregister(&self, service:ServiceDeclaration) -> Result<Vec<()>, String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FakeBackend`
[INFO] [stderr]   --> src/backend_manager.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct FakeBackend {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "dbf3158e5ba8e33df153ff5afaf102ef322389954573024b8467e8f3e6361807"`
[INFO] running `"docker" "rm" "-f" "dbf3158e5ba8e33df153ff5afaf102ef322389954573024b8467e8f3e6361807"`
[INFO] [stdout] dbf3158e5ba8e33df153ff5afaf102ef322389954573024b8467e8f3e6361807
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alinoeabrassart/rustgistrator:/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] 25eee1d222e715ddd4effb2437fe069d132df09adb74e2838c6e2bac4f380b62
[INFO] running `"docker" "start" "-a" "25eee1d222e715ddd4effb2437fe069d132df09adb74e2838c6e2bac4f380b62"`
[INFO] [stderr]    Compiling rustgistrator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend_manager.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub backends: Vec<Box<Backend>>,
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn Backend`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `e_t` is never read
[INFO] [stderr]   --> src/docker_iface.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut e_t = EventType::Unknown;
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `docker`
[INFO] [stderr]    --> src/docker_iface.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let docker = shiplift::Docker::new();
[INFO] [stderr]     |             ^^^^^^ help: consider prefixing with an underscore: `_docker`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `deregister`
[INFO] [stderr]   --> src/backend_manager.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn deregister(&self, service:ServiceDeclaration) -> Result<Vec<()>, String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `"docker" "inspect" "25eee1d222e715ddd4effb2437fe069d132df09adb74e2838c6e2bac4f380b62"`
[INFO] running `"docker" "rm" "-f" "25eee1d222e715ddd4effb2437fe069d132df09adb74e2838c6e2bac4f380b62"`
[INFO] [stdout] 25eee1d222e715ddd4effb2437fe069d132df09adb74e2838c6e2bac4f380b62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alinoeabrassart/rustgistrator:/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] 90f26f8de5e63dca6c473ad9ebb63cb036dcae6852fa9aae59fdb95936f31ce6
[INFO] running `"docker" "start" "-a" "90f26f8de5e63dca6c473ad9ebb63cb036dcae6852fa9aae59fdb95936f31ce6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustgistrator-ae7f015ad90ebec1
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test backend_manager::tests::test_failing_service_registration ... ok
[INFO] [stdout] test backend_manager::tests::test_successful_service_registration ... ok
[INFO] [stdout] test docker_iface::tests::test_event_conversion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-7ce95b04340cd6f6
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rustgistrator
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "90f26f8de5e63dca6c473ad9ebb63cb036dcae6852fa9aae59fdb95936f31ce6"`
[INFO] running `"docker" "rm" "-f" "90f26f8de5e63dca6c473ad9ebb63cb036dcae6852fa9aae59fdb95936f31ce6"`
[INFO] [stdout] 90f26f8de5e63dca6c473ad9ebb63cb036dcae6852fa9aae59fdb95936f31ce6