[INFO] cloning repository https://github.com/mabruckner/notes_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mabruckner/notes_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabruckner%2Fnotes_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabruckner%2Fnotes_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5184d85f0697c9553abb8f2ae5db63e6d35d560f
[INFO] checking mabruckner/notes_engine against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabruckner%2Fnotes_engine" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mabruckner/notes_engine 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/mabruckner/notes_engine
[INFO] finished tweaking git repo https://github.com/mabruckner/notes_engine
[INFO] tweaked toml for git repo https://github.com/mabruckner/notes_engine written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mabruckner/notes_engine 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c589cb63368fe5b16b1a86fc0f9b0aae436584f5a71a4bf77b3488d73a82d3d3
[INFO] running `Command { std: "docker" "start" "-a" "c589cb63368fe5b16b1a86fc0f9b0aae436584f5a71a4bf77b3488d73a82d3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c589cb63368fe5b16b1a86fc0f9b0aae436584f5a71a4bf77b3488d73a82d3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c589cb63368fe5b16b1a86fc0f9b0aae436584f5a71a4bf77b3488d73a82d3d3", kill_on_drop: false }`
[INFO] [stdout] c589cb63368fe5b16b1a86fc0f9b0aae436584f5a71a4bf77b3488d73a82d3d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bf23575f88d123fb714228ed5e4a76c207f8173995bf6774a33f7e1d1431088a
[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" "bf23575f88d123fb714228ed5e4a76c207f8173995bf6774a33f7e1d1431088a", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking serde v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking buf_redux v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling hoedown v6.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking unsafe-any v0.4.1
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]    Compiling mime_guess v1.8.1
[INFO] [stderr]     Checking num-rational v0.1.36
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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" "bf23575f88d123fb714228ed5e4a76c207f8173995bf6774a33f7e1d1431088a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf23575f88d123fb714228ed5e4a76c207f8173995bf6774a33f7e1d1431088a", kill_on_drop: false }`
[INFO] [stdout] bf23575f88d123fb714228ed5e4a76c207f8173995bf6774a33f7e1d1431088a