[INFO] cloning repository https://github.com/tirr-c/plachta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tirr-c/plachta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirr-c%2Fplachta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirr-c%2Fplachta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0d61f643d8ddbe25759e76aaa032b0c1b42ca57
[INFO] checking tirr-c/plachta against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirr-c%2Fplachta" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tirr-c/plachta 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/tirr-c/plachta
[INFO] finished tweaking git repo https://github.com/tirr-c/plachta
[INFO] tweaked toml for git repo https://github.com/tirr-c/plachta written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tirr-c/plachta 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7e77ddac8b77bb70b7d04e7af50590c4c456c9c5615deeee07297a3f14f64fdc
[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" "7e77ddac8b77bb70b7d04e7af50590c4c456c9c5615deeee07297a3f14f64fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e77ddac8b77bb70b7d04e7af50590c4c456c9c5615deeee07297a3f14f64fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e77ddac8b77bb70b7d04e7af50590c4c456c9c5615deeee07297a3f14f64fdc", kill_on_drop: false }`
[INFO] [stdout] 7e77ddac8b77bb70b7d04e7af50590c4c456c9c5615deeee07297a3f14f64fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ab92551fb5e0cfcd181299237584d1ff1324231ae9cb3b3878bdbc72c5c0885a
[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" "ab92551fb5e0cfcd181299237584d1ff1324231ae9cb3b3878bdbc72c5c0885a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling actix-web v0.6.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.5
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking tokio-timer v0.2.3
[INFO] [stderr]    Compiling pq-sys v0.4.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.20
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking r2d2 v0.8.2
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking backtrace-sys v0.1.23
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking miniz-sys v0.1.10
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking resolv-conf v0.6.1
[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] [stderr]     Checking flate2 v1.0.1
[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" "ab92551fb5e0cfcd181299237584d1ff1324231ae9cb3b3878bdbc72c5c0885a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab92551fb5e0cfcd181299237584d1ff1324231ae9cb3b3878bdbc72c5c0885a", kill_on_drop: false }`
[INFO] [stdout] ab92551fb5e0cfcd181299237584d1ff1324231ae9cb3b3878bdbc72c5c0885a