[INFO] updating cached repository https://github.com/too-r/discordbot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1e08e9b78ff0e1c6c55e4b2c4e9607283d6f773c
[INFO] checking too-r/discordbot against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoo-r%2Fdiscordbot" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/too-r/discordbot on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/too-r/discordbot
[INFO] finished tweaking git repo https://github.com/too-r/discordbot
[INFO] tweaked toml for git repo https://github.com/too-r/discordbot written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/too-r/discordbot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c1b3e9c653a38a2fc0d2b84aa0e410988b5f05d7c9b5872c8e09fc606d278ff
[INFO] running `"docker" "start" "-a" "1c1b3e9c653a38a2fc0d2b84aa0e410988b5f05d7c9b5872c8e09fc606d278ff"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]    Compiling openssl v0.9.19
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking bitflags v1.0.0
[INFO] [stderr]     Checking vec_shift v0.1.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking parking_lot_core v0.2.6
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling openssl-sys v0.9.19
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 251 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[INFO] [stderr] error: could not compile `url`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1c1b3e9c653a38a2fc0d2b84aa0e410988b5f05d7c9b5872c8e09fc606d278ff"`
[INFO] running `"docker" "rm" "-f" "1c1b3e9c653a38a2fc0d2b84aa0e410988b5f05d7c9b5872c8e09fc606d278ff"`
[INFO] [stdout] 1c1b3e9c653a38a2fc0d2b84aa0e410988b5f05d7c9b5872c8e09fc606d278ff