[INFO] cloning repository https://github.com/S2Lab/gravatar-reverse-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/S2Lab/gravatar-reverse-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS2Lab%2Fgravatar-reverse-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS2Lab%2Fgravatar-reverse-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 177928ae1e96fe1869f8d7a6fb413be95fddb454
[INFO] testing S2Lab/gravatar-reverse-proxy 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%2FS2Lab%2Fgravatar-reverse-proxy" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/S2Lab/gravatar-reverse-proxy 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/S2Lab/gravatar-reverse-proxy
[INFO] finished tweaking git repo https://github.com/S2Lab/gravatar-reverse-proxy
[INFO] tweaked toml for git repo https://github.com/S2Lab/gravatar-reverse-proxy written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/S2Lab/gravatar-reverse-proxy 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 bodyparser v0.5.0
[INFO] [stderr]   Downloaded time v0.1.36
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded urlencoded v0.5.0
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] [stderr]   Downloaded router v0.5.1
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded advapi32-sys v0.2.0
[INFO] [stderr]   Downloaded foreign-types v0.2.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.0
[INFO] [stderr]   Downloaded regex v0.2.1
[INFO] [stderr]   Downloaded rayon v0.6.0
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded route-recognizer v0.1.11
[INFO] [stderr]   Downloaded iron v0.5.1
[INFO] [stderr]   Downloaded unsafe-any v0.4.1
[INFO] [stderr]   Downloaded thread_local v0.3.3
[INFO] [stderr]   Downloaded lazy_static v0.2.6
[INFO] [stderr]   Downloaded persistent v0.3.0
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded rustc-serialize v0.3.23
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded num_cpus v1.3.0
[INFO] [stderr]   Downloaded gcc v0.3.45
[INFO] [stderr]   Downloaded base64 v0.2.1
[INFO] [stderr]   Downloaded untrusted v0.3.2
[INFO] [stderr]   Downloaded hyper-rustls v0.3.2
[INFO] [stderr]   Downloaded crypto-hash v0.2.1
[INFO] [stderr]   Downloaded commoncrypto-sys v0.1.0
[INFO] [stderr]   Downloaded commoncrypto v0.1.0
[INFO] [stderr]   Downloaded webpki v0.10.1
[INFO] [stderr]   Downloaded serde_json v0.8.6
[INFO] [stderr]   Downloaded openssl-sys v0.9.10
[INFO] [stderr]   Downloaded openssl v0.9.10
[INFO] [stderr]   Downloaded hyper v0.10.6
[INFO] [stderr]   Downloaded rustls v0.5.8
[INFO] [stderr]   Downloaded webpki-roots v0.7.0
[INFO] [stderr]   Downloaded ring v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 24c1a407c0716c41e7a64745b00639ec3d4d609028c390f107f84b77df932352
[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" "24c1a407c0716c41e7a64745b00639ec3d4d609028c390f107f84b77df932352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24c1a407c0716c41e7a64745b00639ec3d4d609028c390f107f84b77df932352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c1a407c0716c41e7a64745b00639ec3d4d609028c390f107f84b77df932352", kill_on_drop: false }`
[INFO] [stdout] 24c1a407c0716c41e7a64745b00639ec3d4d609028c390f107f84b77df932352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b3fd37b5a8c3a56beb9f8bcb7215c1ced0c87eaf50f93b9bb017b271d44ebce2
[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" "b3fd37b5a8c3a56beb9f8bcb7215c1ced0c87eaf50f93b9bb017b271d44ebce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling lazy_static v0.2.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling untrusted v0.3.2
[INFO] [stderr]    Compiling openssl v0.9.10
[INFO] [stderr]    Compiling base64 v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling route-recognizer v0.1.11
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling hyper v0.10.6
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[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" "b3fd37b5a8c3a56beb9f8bcb7215c1ced0c87eaf50f93b9bb017b271d44ebce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3fd37b5a8c3a56beb9f8bcb7215c1ced0c87eaf50f93b9bb017b271d44ebce2", kill_on_drop: false }`
[INFO] [stdout] b3fd37b5a8c3a56beb9f8bcb7215c1ced0c87eaf50f93b9bb017b271d44ebce2