[INFO] cloning repository https://github.com/faradayio/alert
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faradayio/alert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaradayio%2Falert"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaradayio%2Falert'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be9e6196df2741abc9f6df6fc3057e73af03794a
[INFO] checking faradayio/alert against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaradayio%2Falert" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faradayio/alert on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/faradayio/alert
[INFO] finished tweaking git repo https://github.com/faradayio/alert
[INFO] tweaked toml for git repo https://github.com/faradayio/alert written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/faradayio/alert already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 21769240d732789a727d125b0e8427ed93cd4de8692dcb764404a88562dd1fd8
[INFO] running `"docker" "start" "-a" "21769240d732789a727d125b0e8427ed93cd4de8692dcb764404a88562dd1fd8"`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]    Compiling openssl v0.9.11
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking serde v1.0.2
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking shell-escape v0.1.3
[INFO] [stderr]     Checking cli_test_dir v0.1.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling dbus v0.4.1
[INFO] [stderr]     Checking colored v1.5.1
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.9
[INFO] [stderr]     Checking mime v0.2.3
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stderr]     Checking libflate v0.1.5
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking num_cpus v1.4.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.24.1
[INFO] [stderr]    Compiling openssl-sys v0.9.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]     Checking idna v0.1.1
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.2
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking env_logger v0.4.2
[INFO] [stderr]     Checking notify-rust v3.3.1
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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" "21769240d732789a727d125b0e8427ed93cd4de8692dcb764404a88562dd1fd8"`
[INFO] running `"docker" "rm" "-f" "21769240d732789a727d125b0e8427ed93cd4de8692dcb764404a88562dd1fd8"`
[INFO] [stdout] 21769240d732789a727d125b0e8427ed93cd4de8692dcb764404a88562dd1fd8