[INFO] cloning repository https://github.com/blaenk/bmo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blaenk/bmo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaenk%2Fbmo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaenk%2Fbmo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c23fed72471e3c012572019442516284957390ff
[INFO] checking blaenk/bmo against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaenk%2Fbmo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blaenk/bmo on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blaenk/bmo
[INFO] finished tweaking git repo https://github.com/blaenk/bmo
[INFO] tweaked toml for git repo https://github.com/blaenk/bmo written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/blaenk/bmo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/zeyla/serenity`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded native-tls v0.1.4
[INFO] [stderr]   Downloaded slog-stdlog v3.0.2
[INFO] [stderr]   Downloaded schannel v0.1.7
[INFO] [stderr]   Downloaded websocket v0.20.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.15
[INFO] [stderr]   Downloaded futures-cpupool v0.1.5
[INFO] [stderr]   Downloaded utf-8 v0.7.1
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.0
[INFO] [stderr]   Downloaded ctrlc v3.0.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.12
[INFO] [stderr]   Downloaded chrono-tz v0.4.1
[INFO] [stderr]   Downloaded string_cache v0.6.1
[INFO] [stderr]   Downloaded net2 v0.2.30
[INFO] [stderr]   Downloaded mime_guess v1.8.1
[INFO] [stderr]   Downloaded parking_lot v0.4.4
[INFO] [stderr]   Downloaded mio v0.6.9
[INFO] [stderr]   Downloaded openssl v0.9.15
[INFO] [stderr]   Downloaded slog v2.0.6
[INFO] [stderr]   Downloaded adler32 v1.0.0
[INFO] [stderr]   Downloaded slog-term v2.0.2
[INFO] [stderr]   Downloaded precomputed-hash v0.1.0
[INFO] [stderr]   Downloaded markup5ever v0.3.1
[INFO] [stderr]   Downloaded futf v0.1.3
[INFO] [stderr]   Downloaded tendril v0.3.1
[INFO] [stderr]   Downloaded html5ever v0.18.0
[INFO] [stderr]   Downloaded hyper v0.11.1
[INFO] [stderr]   Downloaded mime v0.3.2
[INFO] [stderr]   Downloaded hyper-tls v0.1.2
[INFO] [stderr]   Downloaded libflate v0.1.10
[INFO] [stderr]   Downloaded tokio-tls v0.1.3
[INFO] [stderr]   Downloaded reqwest v0.7.2
[INFO] [stderr]   Downloaded tokio-core v0.1.9
[INFO] [stderr]   Downloaded slog-async v2.1.0
[INFO] [stderr]   Downloaded slog-scope v3.0.0
[INFO] [stderr]   Downloaded libc v0.2.28
[INFO] [stderr]   Downloaded take_mut v0.1.3
[INFO] [stderr]   Downloaded slog-scope v4.0.0
[INFO] [stderr]   Downloaded slog-stdlog v2.0.0
[INFO] [stderr]   Downloaded slog-envlogger v2.0.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.27
[INFO] [stderr]   Downloaded thread-id v3.2.0
[INFO] [stderr]   Downloaded multipart v0.13.1
[INFO] [stderr]   Downloaded parse-zoneinfo v0.1.0
[INFO] [stderr]   Downloaded parking_lot_core v0.2.2
[INFO] [stderr]   Downloaded linkify v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f861b9b684b3e1862b64d47757552d3df451a4c6571d39b792daee52d21a4107
[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" "f861b9b684b3e1862b64d47757552d3df451a4c6571d39b792daee52d21a4107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f861b9b684b3e1862b64d47757552d3df451a4c6571d39b792daee52d21a4107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f861b9b684b3e1862b64d47757552d3df451a4c6571d39b792daee52d21a4107", kill_on_drop: false }`
[INFO] [stdout] f861b9b684b3e1862b64d47757552d3df451a4c6571d39b792daee52d21a4107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1941dcda250f4573f7b43e936e4093a29c6c950286f427fbf4e39a608c92a01
[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" "a1941dcda250f4573f7b43e936e4093a29c6c950286f427fbf4e39a608c92a01", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking serde v1.0.10
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling openssl v0.9.15
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking slog v2.0.6
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking smallvec v0.4.1
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking precomputed-hash v0.1.0
[INFO] [stderr]     Checking take_mut v0.1.3
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking libflate v0.1.10
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking net2 v0.2.30
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.2.0
[INFO] [stderr]     Checking isatty v0.1.3
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking slog-scope v3.0.0
[INFO] [stderr]     Checking slog-scope v4.0.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking futf v0.1.3
[INFO] [stderr]     Checking bytes v0.4.4
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking slog-async v2.1.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking ctrlc v3.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking linkify v0.1.2
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]     Checking mio v0.6.9
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]     Checking slog-stdlog v2.0.0
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking tendril v0.3.1
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking parking_lot_core v0.2.2
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling openssl-sys v0.9.15
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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]    Compiling miniz-sys v0.1.9
[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 tokio-io v0.1.2
[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" "a1941dcda250f4573f7b43e936e4093a29c6c950286f427fbf4e39a608c92a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1941dcda250f4573f7b43e936e4093a29c6c950286f427fbf4e39a608c92a01", kill_on_drop: false }`
[INFO] [stdout] a1941dcda250f4573f7b43e936e4093a29c6c950286f427fbf4e39a608c92a01