[INFO] cloning repository https://github.com/chnn/mathbib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chnn/mathbib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchnn%2Fmathbib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchnn%2Fmathbib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6828681e29a770a41eb98cb8098d896d865f553a
[INFO] checking chnn/mathbib against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchnn%2Fmathbib" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chnn/mathbib on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chnn/mathbib
[INFO] finished tweaking git repo https://github.com/chnn/mathbib
[INFO] tweaked toml for git repo https://github.com/chnn/mathbib written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/chnn/mathbib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ego-tree v0.1.1
[INFO] [stderr]   Downloaded scraper v0.4.0
[INFO] [stderr]   Downloaded cssparser v0.5.8
[INFO] [stderr]   Downloaded openssl-sys v0.9.22
[INFO] [stderr]   Downloaded clap v2.28.0
[INFO] [stderr]   Downloaded openssl v0.9.22
[INFO] [stderr]   Downloaded clipboard-win v2.0.1
[INFO] [stderr]   Downloaded clipboard v0.4.2
[INFO] [stderr]   Downloaded serde v1.0.23
[INFO] [stderr]   Downloaded objc_id v0.1.0
[INFO] [stderr]   Downloaded x11-clipboard v0.2.2
[INFO] [stderr]   Downloaded html5ever v0.5.4
[INFO] [stderr]   Downloaded quickersort v2.2.0
[INFO] [stderr]   Downloaded selectors v0.5.9
[INFO] [stderr]   Downloaded string_cache v0.2.29
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd87cb003d2169acc5df7e89e517cf87164ac309810b1d68d4604bf8f771fc9e
[INFO] running `Command { std: "docker" "start" "-a" "dd87cb003d2169acc5df7e89e517cf87164ac309810b1d68d4604bf8f771fc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd87cb003d2169acc5df7e89e517cf87164ac309810b1d68d4604bf8f771fc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd87cb003d2169acc5df7e89e517cf87164ac309810b1d68d4604bf8f771fc9e", kill_on_drop: false }`
[INFO] [stdout] dd87cb003d2169acc5df7e89e517cf87164ac309810b1d68d4604bf8f771fc9e
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a8755eefbde993cccac32c90669df02eb2ad7a9bd893eb4d527564314608145
[INFO] running `Command { std: "docker" "start" "-a" "5a8755eefbde993cccac32c90669df02eb2ad7a9bd893eb4d527564314608145", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling openssl v0.9.22
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking serde v1.0.23
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking ego-tree v0.1.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking utf-8 v0.6.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking quickersort v2.2.0
[INFO] [stderr]    Compiling crc v1.6.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking futf v0.1.3
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling openssl-sys v0.9.22
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]    Compiling xcb v0.8.1
[INFO] [stderr]     Checking clap v2.28.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling phf_shared v0.7.21
[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-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     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" "5a8755eefbde993cccac32c90669df02eb2ad7a9bd893eb4d527564314608145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8755eefbde993cccac32c90669df02eb2ad7a9bd893eb4d527564314608145", kill_on_drop: false }`
[INFO] [stdout] 5a8755eefbde993cccac32c90669df02eb2ad7a9bd893eb4d527564314608145