[INFO] updating cached repository https://github.com/irony-rust/nickel-cms
[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] b1453be37ccbef8e188618f2a013cc322e0f1019
[INFO] testing irony-rust/nickel-cms against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firony-rust%2Fnickel-cms" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/irony-rust/nickel-cms on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/irony-rust/nickel-cms
[INFO] finished tweaking git repo https://github.com/irony-rust/nickel-cms
[INFO] tweaked toml for git repo https://github.com/irony-rust/nickel-cms written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/irony-rust/nickel-cms already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 05fa9554b783b7fa89c4ec94a03e9cd9f9f9ba3fb60fa6bd7ad3c9b2d58f2d5e
[INFO] running `"docker" "start" "-a" "05fa9554b783b7fa89c4ec94a03e9cd9f9f9ba3fb60fa6bd7ad3c9b2d58f2d5e"`
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling version_check v0.1.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling cfg-if v0.1.1
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling md5 v0.3.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling unidecode v0.2.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling pest v0.4.1
[INFO] [stderr]    Compiling humansize v1.0.1
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.5.1
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.3
[INFO] [stderr]    Compiling base64 v0.3.1
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling idna v0.1.2
[INFO] [stderr]    Compiling slug v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stderr]    Compiling ructe v0.3.0
[INFO] [stderr]    Compiling chrono v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling url v1.5.0
[INFO] [stderr]    Compiling mustache v0.8.0
[INFO] [stderr]    Compiling toml v0.2.1
[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-1.5.0/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] 
[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 `"docker" "inspect" "05fa9554b783b7fa89c4ec94a03e9cd9f9f9ba3fb60fa6bd7ad3c9b2d58f2d5e"`
[INFO] running `"docker" "rm" "-f" "05fa9554b783b7fa89c4ec94a03e9cd9f9f9ba3fb60fa6bd7ad3c9b2d58f2d5e"`
[INFO] [stdout] 05fa9554b783b7fa89c4ec94a03e9cd9f9f9ba3fb60fa6bd7ad3c9b2d58f2d5e