[INFO] cloning repository https://github.com/Cuarto-Online/cuarto-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cuarto-Online/cuarto-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCuarto-Online%2Fcuarto-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCuarto-Online%2Fcuarto-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 195f300f8ed816864a96db9e9c85d1bbde114a58
[INFO] testing Cuarto-Online/cuarto-server against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCuarto-Online%2Fcuarto-server" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cuarto-Online/cuarto-server on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cuarto-Online/cuarto-server
[INFO] finished tweaking git repo https://github.com/Cuarto-Online/cuarto-server
[INFO] tweaked toml for git repo https://github.com/Cuarto-Online/cuarto-server written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Cuarto-Online/cuarto-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scan_fmt v0.1.1
[INFO] [stderr]   Downloaded textnonce v0.4.1
[INFO] [stderr]   Downloaded log v0.3.7
[INFO] [stderr]   Downloaded tempdir v0.3.5
[INFO] [stderr]   Downloaded bufstream v0.1.2
[INFO] [stderr]   Downloaded gcc v0.3.45
[INFO] [stderr]   Downloaded multipart v0.8.1
[INFO] [stderr]   Downloaded urlencoded v0.5.0
[INFO] [stderr]   Downloaded mime v0.2.3
[INFO] [stderr]   Downloaded serde_json v0.9.9
[INFO] [stderr]   Downloaded num-bigint v0.1.37
[INFO] [stderr]   Downloaded redox_syscall v0.1.17
[INFO] [stderr]   Downloaded separator v0.3.1
[INFO] [stderr]   Downloaded itoa v0.3.1
[INFO] [stderr]   Downloaded serde v0.9.11
[INFO] [stderr]   Downloaded buf_redux v0.3.0
[INFO] [stderr]   Downloaded bodyparser v0.5.0
[INFO] [stderr]   Downloaded dtoa v0.4.1
[INFO] [stderr]   Downloaded mime_guess v1.8.1
[INFO] [stderr]   Downloaded params v0.6.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.1
[INFO] [stderr]   Downloaded num-complex v0.1.36
[INFO] [stderr]   Downloaded route-recognizer v0.1.11
[INFO] [stderr]   Downloaded lazy_static v0.2.5
[INFO] [stderr]   Downloaded bson v0.3.2
[INFO] [stderr]   Downloaded serde_derive v0.9.11
[INFO] [stderr]   Downloaded syn v0.11.9
[INFO] [stderr]   Downloaded mongodb v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50b704f57d0c78c9db9474fd26e1b9f570fd9afdd61a20f22ff11a84c2deddb9
[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" "50b704f57d0c78c9db9474fd26e1b9f570fd9afdd61a20f22ff11a84c2deddb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50b704f57d0c78c9db9474fd26e1b9f570fd9afdd61a20f22ff11a84c2deddb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b704f57d0c78c9db9474fd26e1b9f570fd9afdd61a20f22ff11a84c2deddb9", kill_on_drop: false }`
[INFO] [stdout] 50b704f57d0c78c9db9474fd26e1b9f570fd9afdd61a20f22ff11a84c2deddb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4682f8d798c4ae45f98b1c96c3258bd23504f7a628bf95926493a08efa66329f
[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" "4682f8d798c4ae45f98b1c96c3258bd23504f7a628bf95926493a08efa66329f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling lazy_static v0.2.5
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling linked-hash-map v0.0.9
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling buf_redux v0.3.0
[INFO] [stderr]    Compiling scan_fmt v0.1.1
[INFO] [stderr]    Compiling bufstream v0.1.2
[INFO] [stderr]    Compiling separator v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling route-recognizer v0.1.11
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling serde v0.9.11
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling mime v0.2.3
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling semver v0.5.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[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` 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" "4682f8d798c4ae45f98b1c96c3258bd23504f7a628bf95926493a08efa66329f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4682f8d798c4ae45f98b1c96c3258bd23504f7a628bf95926493a08efa66329f", kill_on_drop: false }`
[INFO] [stdout] 4682f8d798c4ae45f98b1c96c3258bd23504f7a628bf95926493a08efa66329f