[INFO] cloning repository https://github.com/thatlittlegit/webcrawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thatlittlegit/webcrawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthatlittlegit%2Fwebcrawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthatlittlegit%2Fwebcrawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94de54a5aef07dbac6723d479daedb669e207f21
[INFO] testing thatlittlegit/webcrawler against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthatlittlegit%2Fwebcrawler" "/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/thatlittlegit/webcrawler on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thatlittlegit/webcrawler
[INFO] finished tweaking git repo https://github.com/thatlittlegit/webcrawler
[INFO] tweaked toml for git repo https://github.com/thatlittlegit/webcrawler written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/thatlittlegit/webcrawler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded reqwest v0.8.5
[INFO] [stderr]   Downloaded schannel v0.1.12
[INFO] [stderr]   Downloaded serde_derive v1.0.42
[INFO] [stderr]   Downloaded markup5ever v0.7.2
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded maplit v1.0.1
[INFO] [stderr]   Downloaded tokio v0.1.5
[INFO] [stderr]   Downloaded serde v1.0.42
[INFO] [stderr]   Downloaded atty v0.2.9
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded serde_json v1.0.16
[INFO] [stderr]   Downloaded ammonia v1.1.0
[INFO] [stderr]   Downloaded syn v0.13.1
[INFO] [stderr]   Downloaded utf-8 v0.7.2
[INFO] [stderr]   Downloaded tokio-reactor v0.1.1
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] [stderr]   Downloaded hyper v0.11.25
[INFO] [stderr]   Downloaded tokio-udp v0.1.0
[INFO] [stderr]   Downloaded hyper-tls v0.1.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.28
[INFO] [stderr]   Downloaded scoped-tls v0.1.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.3.0
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded tendril v0.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.4
[INFO] [stderr]   Downloaded mio v0.6.14
[INFO] [stderr]   Downloaded tokio-timer v0.2.1
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.2
[INFO] [stderr]   Downloaded tokio-executor v0.1.2
[INFO] [stderr]   Downloaded futures v0.1.21
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.1
[INFO] [stderr]   Downloaded tokio-io v0.1.6
[INFO] [stderr]   Downloaded env_logger v0.5.9
[INFO] [stderr]   Downloaded robotparser v0.10.1
[INFO] [stderr]   Downloaded regex v0.2.10
[INFO] [stderr]   Downloaded string_cache v0.7.2
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.1
[INFO] [stderr]   Downloaded vcpkg v0.2.3
[INFO] [stderr]   Downloaded tokio-tcp v0.1.0
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded regex-syntax v0.5.5
[INFO] [stderr]   Downloaded html5ever v0.22.2
[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-2020-10-09" "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] 659a7b82cadf3ea336121ac32346243ea7347e6f075a1439d0d3e42533f2422f
[INFO] running `Command { std: "docker" "start" "-a" "659a7b82cadf3ea336121ac32346243ea7347e6f075a1439d0d3e42533f2422f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "659a7b82cadf3ea336121ac32346243ea7347e6f075a1439d0d3e42533f2422f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659a7b82cadf3ea336121ac32346243ea7347e6f075a1439d0d3e42533f2422f", kill_on_drop: false }`
[INFO] [stdout] 659a7b82cadf3ea336121ac32346243ea7347e6f075a1439d0d3e42533f2422f
[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=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-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0ef77e7288e93cd90ff79d2baa9947a0d03cf9867b14baca1fe4dd002299d8b
[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" "c0ef77e7288e93cd90ff79d2baa9947a0d03cf9867b14baca1fe4dd002299d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling serde v1.0.42
[INFO] [stderr]    Compiling atty v0.2.9
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling tendril v0.4.0
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling tokio v0.1.5
[INFO] [stderr]    Compiling tokio-core v0.1.17
[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] 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" "c0ef77e7288e93cd90ff79d2baa9947a0d03cf9867b14baca1fe4dd002299d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ef77e7288e93cd90ff79d2baa9947a0d03cf9867b14baca1fe4dd002299d8b", kill_on_drop: false }`
[INFO] [stdout] c0ef77e7288e93cd90ff79d2baa9947a0d03cf9867b14baca1fe4dd002299d8b
