[INFO] cloning repository https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidBM%2Frust-webserver-example-with-iron-diesel-r2d2-serde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidBM%2Frust-webserver-example-with-iron-diesel-r2d2-serde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb083c13593bf96e96c6231e870b56ec845bd00d
[INFO] testing DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavidBM%2Frust-webserver-example-with-iron-diesel-r2d2-serde" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde
[INFO] finished tweaking git repo https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde
[INFO] tweaked toml for git repo https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/DavidBM/rust-webserver-example-with-iron-diesel-r2d2-serde already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded base64 v0.4.2
[INFO] [stderr]   Downloaded serde_derive v0.9.15
[INFO] [stderr]   Downloaded slog-term v2.0.1
[INFO] [stderr]   Downloaded r2d2-diesel v0.12.0
[INFO] [stderr]   Downloaded blake2-rfc v0.2.17
[INFO] [stderr]   Downloaded diesel_codegen v0.12.0
[INFO] [stderr]   Downloaded diesel_infer_schema v0.12.0
[INFO] [stderr]   Downloaded dotenv v0.8.0
[INFO] [stderr]   Downloaded pq-sys v0.4.3
[INFO] [stderr]   Downloaded jsonwebtoken v1.1.3
[INFO] [stderr]   Downloaded slog-json v2.0.1
[INFO] [stderr]   Downloaded r2d2 v0.7.2
[INFO] [stderr]   Downloaded constant_time_eq v0.1.2
[INFO] [stderr]   Downloaded slog v2.0.6
[INFO] [stderr]   Downloaded diesel v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94602910450e331ce2b90e16a71a1ba2e20aa5b77de8c362b9c9f4c71c624095
[INFO] running `Command { std: "docker" "start" "-a" "94602910450e331ce2b90e16a71a1ba2e20aa5b77de8c362b9c9f4c71c624095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94602910450e331ce2b90e16a71a1ba2e20aa5b77de8c362b9c9f4c71c624095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94602910450e331ce2b90e16a71a1ba2e20aa5b77de8c362b9c9f4c71c624095", kill_on_drop: false }`
[INFO] [stdout] 94602910450e331ce2b90e16a71a1ba2e20aa5b77de8c362b9c9f4c71c624095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3660cd34b996c058410db6b11aa6d03e738f8fc4f353a2ddde1faca908220296
[INFO] running `Command { std: "docker" "start" "-a" "3660cd34b996c058410db6b11aa6d03e738f8fc4f353a2ddde1faca908220296", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling pq-sys v0.4.3
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling slog v2.0.6
[INFO] [stderr]    Compiling constant_time_eq v0.1.2
[INFO] [stderr]    Compiling sequence_trie v0.2.1
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling route-recognizer v0.1.12
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling isatty v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling scheduled-thread-pool v0.1.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling url v1.4.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.17
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling argon2rs v0.2.5
[INFO] [stderr]    Compiling r2d2 v0.7.2
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling thread-id v2.0.0
[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-1.4.1/src/form_urlencoded.rs:248:40
[INFO] [stdout]     |
[INFO] [stdout] 246 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 247 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 248 |     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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3660cd34b996c058410db6b11aa6d03e738f8fc4f353a2ddde1faca908220296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3660cd34b996c058410db6b11aa6d03e738f8fc4f353a2ddde1faca908220296", kill_on_drop: false }`
[INFO] [stdout] 3660cd34b996c058410db6b11aa6d03e738f8fc4f353a2ddde1faca908220296