[INFO] cloning repository https://github.com/cesare/rust-nickelexp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cesare/rust-nickelexp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust-nickelexp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust-nickelexp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e6f0e5ddfae3ff0fe852aa3c975cfbb606413fa
[INFO] checking cesare/rust-nickelexp against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust-nickelexp" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cesare/rust-nickelexp on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cesare/rust-nickelexp
[INFO] finished tweaking git repo https://github.com/cesare/rust-nickelexp
[INFO] tweaked toml for git repo https://github.com/cesare/rust-nickelexp written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/cesare/rust-nickelexp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded groupable v0.2.0
[INFO] [stderr]   Downloaded num_cpus v1.5.1
[INFO] [stderr]   Downloaded url v1.4.1
[INFO] [stderr]   Downloaded version_check v0.1.2
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded unicode-bidi v0.3.3
[INFO] [stderr]   Downloaded idna v0.1.2
[INFO] [stderr]   Downloaded mustache v0.6.3
[INFO] [stderr]   Downloaded nickel v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 5065637510eb75e14a6d5ffd79022057b233ecfc71b6668208c86938e8051857
[INFO] running `Command { std: "docker" "start" "-a" "5065637510eb75e14a6d5ffd79022057b233ecfc71b6668208c86938e8051857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5065637510eb75e14a6d5ffd79022057b233ecfc71b6668208c86938e8051857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5065637510eb75e14a6d5ffd79022057b233ecfc71b6668208c86938e8051857", kill_on_drop: false }`
[INFO] [stdout] 5065637510eb75e14a6d5ffd79022057b233ecfc71b6668208c86938e8051857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76fdfa0a555c2f2593fab8ea07bd50ef13788cf585d627191f00578b4f2904c9
[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" "76fdfa0a555c2f2593fab8ea07bd50ef13788cf585d627191f00578b4f2904c9", kill_on_drop: false }`
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking num_cpus v1.5.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mustache v0.6.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking idna v0.1.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking url v1.4.1
[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-1.4.1/src/form_urlencoded.rs:248:40
[INFO] [stdout]     |
[INFO] [stdout] 246 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 247 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 248 |     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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "76fdfa0a555c2f2593fab8ea07bd50ef13788cf585d627191f00578b4f2904c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76fdfa0a555c2f2593fab8ea07bd50ef13788cf585d627191f00578b4f2904c9", kill_on_drop: false }`
[INFO] [stdout] 76fdfa0a555c2f2593fab8ea07bd50ef13788cf585d627191f00578b4f2904c9