[INFO] cloning repository https://github.com/Tormyst/frey-discord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tormyst/frey-discord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTormyst%2Ffrey-discord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTormyst%2Ffrey-discord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 679115557c22c9a388f20601495103d84d39aab8
[INFO] checking Tormyst/frey-discord against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTormyst%2Ffrey-discord" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tormyst/frey-discord on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tormyst/frey-discord
[INFO] finished tweaking git repo https://github.com/Tormyst/frey-discord
[INFO] tweaked toml for git repo https://github.com/Tormyst/frey-discord written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Tormyst/frey-discord already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Tormyst/discord-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mime_guess v1.8.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.1
[INFO] [stderr]   Downloaded libc v0.2.28
[INFO] [stderr]   Downloaded percent-encoding v1.0.0
[INFO] [stderr]   Downloaded url v1.5.1
[INFO] [stderr]   Downloaded miniz-sys v0.1.9
[INFO] [stderr]   Downloaded httparse v1.2.3
[INFO] [stderr]   Downloaded net2 v0.2.30
[INFO] [stderr]   Downloaded flate2 v0.2.19
[INFO] [stderr]   Downloaded serde_json v1.0.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.28
[INFO] [stderr]   Downloaded serde_derive v1.0.11
[INFO] [stderr]   Downloaded gcc v0.3.51
[INFO] [stderr]   Downloaded serde v1.0.11
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] db5b7e531be85d9391e266692e9c2df1bc7e53b8f19df8bbba6e9d818b7efbdd
[INFO] running `Command { std: "docker" "start" "-a" "db5b7e531be85d9391e266692e9c2df1bc7e53b8f19df8bbba6e9d818b7efbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db5b7e531be85d9391e266692e9c2df1bc7e53b8f19df8bbba6e9d818b7efbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db5b7e531be85d9391e266692e9c2df1bc7e53b8f19df8bbba6e9d818b7efbdd", kill_on_drop: false }`
[INFO] [stdout] db5b7e531be85d9391e266692e9c2df1bc7e53b8f19df8bbba6e9d818b7efbdd
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2039ce3ec0977368efe2a5d80b3f76d207dbe2e8009cc39603562b3c0f0e3db
[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" "b2039ce3ec0977368efe2a5d80b3f76d207dbe2e8009cc39603562b3c0f0e3db", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking base64-rs v0.1.1
[INFO] [stderr]     Checking net2 v0.2.30
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling opus-sys v0.2.1
[INFO] [stderr]    Compiling libsodium-sys v0.0.12
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]    Compiling openssl-sys-extras v0.7.14
[INFO] [stderr]    Compiling openssl v0.7.14
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking num-iter v0.1.34
[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] [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" "b2039ce3ec0977368efe2a5d80b3f76d207dbe2e8009cc39603562b3c0f0e3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2039ce3ec0977368efe2a5d80b3f76d207dbe2e8009cc39603562b3c0f0e3db", kill_on_drop: false }`
[INFO] [stdout] b2039ce3ec0977368efe2a5d80b3f76d207dbe2e8009cc39603562b3c0f0e3db