[INFO] cloning repository https://github.com/PureW/rupert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PureW/rupert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPureW%2Frupert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPureW%2Frupert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6685d5d039efc5cc702ecd2b9b6ab58da2624337
[INFO] checking PureW/rupert against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPureW%2Frupert" "/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/PureW/rupert on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PureW/rupert
[INFO] finished tweaking git repo https://github.com/PureW/rupert
[INFO] tweaked toml for git repo https://github.com/PureW/rupert written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/PureW/rupert already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.11
[INFO] [stderr]   Downloaded itoa v0.3.3
[INFO] [stderr]   Downloaded libssh2-sys v0.2.6
[INFO] [stderr]   Downloaded libz-sys v1.0.16
[INFO] [stderr]   Downloaded openssl-probe v0.1.1
[INFO] [stderr]   Downloaded libgit2-sys v0.6.14
[INFO] [stderr]   Downloaded openssl-sys v0.9.17
[INFO] [stderr]   Downloaded git2 v0.6.8
[INFO] [stderr]   Downloaded curl-sys v0.3.14
[INFO] [stderr]   Downloaded cmake v0.1.25
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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] 9eb23404b251ab6d26c92b40ddb53f29229482f58e3bd581cb07071b41a0f9b2
[INFO] running `Command { std: "docker" "start" "-a" "9eb23404b251ab6d26c92b40ddb53f29229482f58e3bd581cb07071b41a0f9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eb23404b251ab6d26c92b40ddb53f29229482f58e3bd581cb07071b41a0f9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb23404b251ab6d26c92b40ddb53f29229482f58e3bd581cb07071b41a0f9b2", kill_on_drop: false }`
[INFO] [stdout] 9eb23404b251ab6d26c92b40ddb53f29229482f58e3bd581cb07071b41a0f9b2
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffb415a5097530d1538e32405fc3d98f8b34a6db386b6e1bca257b796192f79f
[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" "ffb415a5097530d1538e32405fc3d98f8b34a6db386b6e1bca257b796192f79f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking openssl-probe v0.1.1
[INFO] [stderr]     Checking itoa v0.3.3
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking yansi v0.3.4
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]    Compiling cmake v0.1.25
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.26.0
[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" "ffb415a5097530d1538e32405fc3d98f8b34a6db386b6e1bca257b796192f79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb415a5097530d1538e32405fc3d98f8b34a6db386b6e1bca257b796192f79f", kill_on_drop: false }`
[INFO] [stdout] ffb415a5097530d1538e32405fc3d98f8b34a6db386b6e1bca257b796192f79f