[INFO] cloning repository https://github.com/mmacedoeu/hello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmacedoeu/hello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmacedoeu%2Fhello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmacedoeu%2Fhello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 912818b2b15e56e78eb0429db5bc9f8ce2256693
[INFO] checking mmacedoeu/hello against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmacedoeu%2Fhello" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmacedoeu/hello on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmacedoeu/hello
[INFO] finished tweaking git repo https://github.com/mmacedoeu/hello
[INFO] tweaked toml for git repo https://github.com/mmacedoeu/hello written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mmacedoeu/hello already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 199694f25a3a474f0f1ed7a1b11f6b8b8d6b440de6bfb5ca035fb42651fbb80b
[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" "199694f25a3a474f0f1ed7a1b11f6b8b8d6b440de6bfb5ca035fb42651fbb80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199694f25a3a474f0f1ed7a1b11f6b8b8d6b440de6bfb5ca035fb42651fbb80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199694f25a3a474f0f1ed7a1b11f6b8b8d6b440de6bfb5ca035fb42651fbb80b", kill_on_drop: false }`
[INFO] [stdout] 199694f25a3a474f0f1ed7a1b11f6b8b8d6b440de6bfb5ca035fb42651fbb80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57f8ae59aa650b50c2b0f7bb5d3a1da0fac7d9045f13e3c3662f714c99c704df
[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" "57f8ae59aa650b50c2b0f7bb5d3a1da0fac7d9045f13e3c3662f714c99c704df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking http-range v0.1.1
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.19
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking hostname v0.1.4
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling actix-web v0.6.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.31
[INFO] [stderr]    Compiling syntex_fmt_macros v0.5.0
[INFO] [stderr]     Checking tokio-timer v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking uuid v0.6.4
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking miniz_oxide v0.1.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking resolv-conf v0.6.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]    Compiling quote v0.6.2
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking mime v0.3.7
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking http v0.1.5
[INFO] [stderr]    Compiling syn v0.14.0
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[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]     Checking mio-uds v0.6.6
[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" "57f8ae59aa650b50c2b0f7bb5d3a1da0fac7d9045f13e3c3662f714c99c704df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f8ae59aa650b50c2b0f7bb5d3a1da0fac7d9045f13e3c3662f714c99c704df", kill_on_drop: false }`
[INFO] [stdout] 57f8ae59aa650b50c2b0f7bb5d3a1da0fac7d9045f13e3c3662f714c99c704df