[INFO] cloning repository https://github.com/gothinkster/rust-realworld-example-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gothinkster/rust-realworld-example-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgothinkster%2Frust-realworld-example-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgothinkster%2Frust-realworld-example-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 240843eb953251773d2a15deab708500a79f643d
[INFO] checking gothinkster/rust-realworld-example-app against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgothinkster%2Frust-realworld-example-app" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gothinkster/rust-realworld-example-app on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gothinkster/rust-realworld-example-app
[INFO] finished tweaking git repo https://github.com/gothinkster/rust-realworld-example-app
[INFO] tweaked toml for git repo https://github.com/gothinkster/rust-realworld-example-app written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/gothinkster/rust-realworld-example-app already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2195547a11f155f09979fdbf4edd61299399879eb6a3b2edc36ada55f21df7f
[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" "d2195547a11f155f09979fdbf4edd61299399879eb6a3b2edc36ada55f21df7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2195547a11f155f09979fdbf4edd61299399879eb6a3b2edc36ada55f21df7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2195547a11f155f09979fdbf4edd61299399879eb6a3b2edc36ada55f21df7f", kill_on_drop: false }`
[INFO] [stdout] d2195547a11f155f09979fdbf4edd61299399879eb6a3b2edc36ada55f21df7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d1d1fd8b06b35bcf20f0b0dcca5d89c1bc4f2587c2f60f18c848f4017c1daf
[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" "49d1d1fd8b06b35bcf20f0b0dcca5d89c1bc4f2587c2f60f18c848f4017c1daf", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling cc v1.0.1
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking serde v1.0.7
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]     Checking futures v0.1.13
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking unidecode v0.2.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking iis v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking mime v0.2.4
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.1
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.4.0
[INFO] [stderr]     Checking net2 v0.2.29
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking idna v0.1.2
[INFO] [stderr]     Checking bytes v0.4.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking cookie v0.8.1
[INFO] [stderr]    Compiling hyper v0.10.10
[INFO] [stderr]     Checking mio v0.6.7
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking futures-state-stream v0.1.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking slug v0.1.2
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking tokio-core v0.1.7
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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" "49d1d1fd8b06b35bcf20f0b0dcca5d89c1bc4f2587c2f60f18c848f4017c1daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d1d1fd8b06b35bcf20f0b0dcca5d89c1bc4f2587c2f60f18c848f4017c1daf", kill_on_drop: false }`
[INFO] [stdout] 49d1d1fd8b06b35bcf20f0b0dcca5d89c1bc4f2587c2f60f18c848f4017c1daf