[INFO] cloning repository https://github.com/mehcode/rockman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehcode/rockman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehcode%2Frockman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehcode%2Frockman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5786ad8af1069bd69929749f75475690b37ebbbd
[INFO] documenting mehcode/rockman against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehcode%2Frockman" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mehcode/rockman on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mehcode/rockman
[INFO] finished tweaking git repo https://github.com/mehcode/rockman
[INFO] tweaked toml for git repo https://github.com/mehcode/rockman written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mehcode/rockman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/seanmonstar/reqwest`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tar v0.4.13
[INFO] [stderr]   Downloaded libflate v0.1.11
[INFO] [stderr]   Downloaded backtrace v0.3.3
[INFO] [stderr]   Downloaded phf_generator v0.7.21
[INFO] [stderr]   Downloaded error-chain v0.11.0-rc.2
[INFO] [stderr]   Downloaded serde_json v1.0.2
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.17
[INFO] [stderr]   Downloaded phf_codegen v0.7.21
[INFO] [stderr]   Downloaded itoa v0.3.3
[INFO] [stderr]   Downloaded futures v0.1.15
[INFO] [stderr]   Downloaded serde v1.0.11
[INFO] [stderr]   Downloaded textwrap v0.7.0
[INFO] [stderr]   Downloaded crypt32-sys v0.2.0
[INFO] [stderr]   Downloaded advapi32-sys v0.2.0
[INFO] [stderr]   Downloaded secur32-sys v0.2.0
[INFO] [stderr]   Downloaded tokio-tls v0.1.3
[INFO] [stderr]   Downloaded clap v2.26.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.9
[INFO] [stderr]   Downloaded native-tls v0.1.4
[INFO] [stderr]   Downloaded serde_derive v1.0.11
[INFO] [stderr]   Downloaded percent-encoding v1.0.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.1
[INFO] [stderr]   Downloaded unicase v2.0.0
[INFO] [stderr]   Downloaded hyper-tls v0.1.2
[INFO] [stderr]   Downloaded flate2 v0.2.19
[INFO] [stderr]   Downloaded schannel v0.1.7
[INFO] [stderr]   Downloaded uuid v0.5.1
[INFO] [stderr]   Downloaded phf v0.7.21
[INFO] [stderr]   Downloaded phf_shared v0.7.21
[INFO] [stderr]   Downloaded libc v0.2.30
[INFO] [stderr]   Downloaded backtrace-sys v0.1.12
[INFO] [stderr]   Downloaded hyper v0.11.2
[INFO] [stderr]   Downloaded gcc v0.3.53
[INFO] [stderr]   Downloaded xattr v0.1.11
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.2
[INFO] [stderr]   Downloaded mime v0.3.3
[INFO] [stderr]   Downloaded openssl v0.9.17
[INFO] [stderr]   Downloaded url v1.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e41565c2b0f0961e0e885acb5d086f6c30247bac88c8681d9e2ab70ea912f62e
[INFO] running `Command { std: "docker" "start" "-a" "e41565c2b0f0961e0e885acb5d086f6c30247bac88c8681d9e2ab70ea912f62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41565c2b0f0961e0e885acb5d086f6c30247bac88c8681d9e2ab70ea912f62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41565c2b0f0961e0e885acb5d086f6c30247bac88c8681d9e2ab70ea912f62e", kill_on_drop: false }`
[INFO] [stdout] e41565c2b0f0961e0e885acb5d086f6c30247bac88c8681d9e2ab70ea912f62e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b30ccb541439b51912b87cfc68b7b35719d71313289444c7ff1f2f41541cea2
[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" "6b30ccb541439b51912b87cfc68b7b35719d71313289444c7ff1f2f41541cea2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]     Checking futures v0.1.15
[INFO] [stderr]    Compiling openssl v0.9.17
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking itoa v0.3.3
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking libflate v0.1.11
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking xattr v0.1.11
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking filetime v0.1.10
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking tar v0.4.13
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking mime v0.3.3
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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] [stderr]     Checking uuid v0.5.1
[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" "6b30ccb541439b51912b87cfc68b7b35719d71313289444c7ff1f2f41541cea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b30ccb541439b51912b87cfc68b7b35719d71313289444c7ff1f2f41541cea2", kill_on_drop: false }`
[INFO] [stdout] 6b30ccb541439b51912b87cfc68b7b35719d71313289444c7ff1f2f41541cea2