[INFO] cloning repository https://github.com/shurikdima/memes-tracker-fetching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shurikdima/memes-tracker-fetching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshurikdima%2Fmemes-tracker-fetching", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshurikdima%2Fmemes-tracker-fetching'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b34a56b016e9becdcbc8d8726fe60e212fc95e0
[INFO] documenting shurikdima/memes-tracker-fetching 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%2Fshurikdima%2Fmemes-tracker-fetching" "/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/shurikdima/memes-tracker-fetching 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/shurikdima/memes-tracker-fetching
[INFO] finished tweaking git repo https://github.com/shurikdima/memes-tracker-fetching
[INFO] tweaked toml for git repo https://github.com/shurikdima/memes-tracker-fetching written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/shurikdima/memes-tracker-fetching 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]     Blocking waiting for file lock on package cache
[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" "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] [stdout] 6739acd794eee01d744c611b8f9990b3b05b64326682402c1d211fcb331e276d
[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" "6739acd794eee01d744c611b8f9990b3b05b64326682402c1d211fcb331e276d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6739acd794eee01d744c611b8f9990b3b05b64326682402c1d211fcb331e276d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6739acd794eee01d744c611b8f9990b3b05b64326682402c1d211fcb331e276d", kill_on_drop: false }`
[INFO] [stdout] 6739acd794eee01d744c611b8f9990b3b05b64326682402c1d211fcb331e276d
[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" "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] e5437fb5e70ebbe4b9f0391844cf469d7d6fe70370978b6505ee286b5f0f16f0
[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" "e5437fb5e70ebbe4b9f0391844cf469d7d6fe70370978b6505ee286b5f0f16f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking futures v0.1.19
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling serde v1.0.36
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling bytecount v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking memoffset v0.1.0
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking string v0.1.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking http-range v0.1.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking hostname v0.1.4
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking parking_lot_core v0.2.13
[INFO] [stderr]     Checking uuid v0.6.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.2.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking resolv-conf v0.6.0
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking futf v0.1.3
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking http v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking tokio-executor v0.1.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking tendril v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking mime v0.3.5
[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-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     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]    Compiling tempdir v0.3.7
[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" "e5437fb5e70ebbe4b9f0391844cf469d7d6fe70370978b6505ee286b5f0f16f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5437fb5e70ebbe4b9f0391844cf469d7d6fe70370978b6505ee286b5f0f16f0", kill_on_drop: false }`
[INFO] [stdout] e5437fb5e70ebbe4b9f0391844cf469d7d6fe70370978b6505ee286b5f0f16f0