[INFO] updating cached repository https://github.com/5830ification/rust-simple-ml
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a05e04c91a7804be657965e4ca473e7597e7d5ff
[INFO] checking 5830ification/rust-simple-ml against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5830ification%2Frust-simple-ml" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/5830ification/rust-simple-ml on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/5830ification/rust-simple-ml
[INFO] finished tweaking git repo https://github.com/5830ification/rust-simple-ml
[INFO] tweaked toml for git repo https://github.com/5830ification/rust-simple-ml written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/5830ification/rust-simple-ml already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13c8962bc8cbefd126ba92f421239b27476b892dc0be06c9e91156e6c7f05a2b
[INFO] running `"docker" "start" "-a" "13c8962bc8cbefd126ba92f421239b27476b892dc0be06c9e91156e6c7f05a2b"`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking futures v0.1.16
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]    Compiling openssl v0.9.20
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]    Compiling crc-core v0.1.0
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking build_const v0.2.0
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling crc v1.5.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.0
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]    Compiling openssl-sys v0.9.20
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking alga v0.5.2
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 251 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[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 `"docker" "inspect" "13c8962bc8cbefd126ba92f421239b27476b892dc0be06c9e91156e6c7f05a2b"`
[INFO] running `"docker" "rm" "-f" "13c8962bc8cbefd126ba92f421239b27476b892dc0be06c9e91156e6c7f05a2b"`
[INFO] [stdout] 13c8962bc8cbefd126ba92f421239b27476b892dc0be06c9e91156e6c7f05a2b
