[INFO] cloning repository https://github.com/vitvakatu/exonum-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitvakatu/exonum-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Fexonum-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Fexonum-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 902fe98fc64a31f143e5612bfca2a3b51947d147
[INFO] testing vitvakatu/exonum-test against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitvakatu%2Fexonum-test" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vitvakatu/exonum-test on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vitvakatu/exonum-test
[INFO] finished tweaking git repo https://github.com/vitvakatu/exonum-test
[INFO] tweaked toml for git repo https://github.com/vitvakatu/exonum-test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/vitvakatu/exonum-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded params v0.8.0
[INFO] [stderr]   Downloaded serde v1.0.38
[INFO] [stderr]   Downloaded env_logger v0.5.7
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded make-cmd v0.1.0
[INFO] [stderr]   Downloaded ctrlc v3.1.0
[INFO] [stderr]   Downloaded cc v1.0.10
[INFO] [stderr]   Downloaded os_info v0.7.0
[INFO] [stderr]   Downloaded sequence_trie v0.3.5
[INFO] [stderr]   Downloaded tokio-retry v0.1.1
[INFO] [stderr]   Downloaded filetime v0.2.0
[INFO] [stderr]   Downloaded iron-cors v0.7.0
[INFO] [stderr]   Downloaded uuid v0.6.3
[INFO] [stderr]   Downloaded serde_derive v1.0.38
[INFO] [stderr]   Downloaded exonum_rocksdb v0.7.2
[INFO] [stderr]   Downloaded cookie v0.10.1
[INFO] [stderr]   Downloaded exonum_librocksdb-sys v0.5.2
[INFO] [stderr]   Downloaded serde_json v1.0.14
[INFO] [stderr]   Downloaded exonum v0.7.0
[INFO] [stderr]   Downloaded exonum_profiler v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82d557ac9c032a4acbd0dd6f7f7dda34547d3d1c10bff47a12817b77130ea704
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "82d557ac9c032a4acbd0dd6f7f7dda34547d3d1c10bff47a12817b77130ea704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82d557ac9c032a4acbd0dd6f7f7dda34547d3d1c10bff47a12817b77130ea704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d557ac9c032a4acbd0dd6f7f7dda34547d3d1c10bff47a12817b77130ea704", kill_on_drop: false }`
[INFO] [stdout] 82d557ac9c032a4acbd0dd6f7f7dda34547d3d1c10bff47a12817b77130ea704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99055a0132d64dfbf902121dbc932c27d3124949fef40928b85b9e4a4caebf9e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "99055a0132d64dfbf902121dbc932c27d3124949fef40928b85b9e4a4caebf9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling serde v1.0.38
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling os_info v0.7.0
[INFO] [stderr]    Compiling route-recognizer v0.1.12
[INFO] [stderr]    Compiling sequence_trie v0.3.5
[INFO] [stderr]    Compiling exonum v0.7.0
[INFO] [stderr]    Compiling hex v0.3.1
[INFO] [stderr]    Compiling headers v0.1.0
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling xattr v0.2.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling filetime v0.2.0
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling tokio-timer v0.2.1
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling tar v0.4.15
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling cookie v0.10.1
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling mime_guess v1.8.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `url`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "99055a0132d64dfbf902121dbc932c27d3124949fef40928b85b9e4a4caebf9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99055a0132d64dfbf902121dbc932c27d3124949fef40928b85b9e4a4caebf9e", kill_on_drop: false }`
[INFO] [stdout] 99055a0132d64dfbf902121dbc932c27d3124949fef40928b85b9e4a4caebf9e