[INFO] cloning repository https://github.com/muktakosh/unicorn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muktakosh/unicorn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuktakosh%2Funicorn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuktakosh%2Funicorn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55b0a35021b16ac3e8ca162e57bd8c70748fbf0b
[INFO] testing muktakosh/unicorn against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuktakosh%2Funicorn" "/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/muktakosh/unicorn on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/muktakosh/unicorn
[INFO] finished tweaking git repo https://github.com/muktakosh/unicorn
[INFO] tweaked toml for git repo https://github.com/muktakosh/unicorn written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/muktakosh/unicorn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syntex_pos v0.52.0
[INFO] [stderr]   Downloaded syntex_errors v0.52.0
[INFO] [stderr]   Downloaded syntex v0.52.0
[INFO] [stderr]   Downloaded clippy_lints v0.0.104
[INFO] [stderr]   Downloaded syn v0.10.5
[INFO] [stderr]   Downloaded syntex_syntax v0.52.0
[INFO] [stderr]   Downloaded ws v0.5.3
[INFO] [stderr]   Downloaded clippy v0.0.104
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca89ea7d098c38ec751f3861d0992719915c8f88c025edfdae41016855fed1d6
[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" "ca89ea7d098c38ec751f3861d0992719915c8f88c025edfdae41016855fed1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca89ea7d098c38ec751f3861d0992719915c8f88c025edfdae41016855fed1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca89ea7d098c38ec751f3861d0992719915c8f88c025edfdae41016855fed1d6", kill_on_drop: false }`
[INFO] [stdout] ca89ea7d098c38ec751f3861d0992719915c8f88c025edfdae41016855fed1d6
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", 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] b06679867df97df75307bddf99bebd00b1d4388e6020b94bb5b161a8ecd89409
[INFO] running `Command { std: "docker" "start" "-a" "b06679867df97df75307bddf99bebd00b1d4388e6020b94bb5b161a8ecd89409", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling syn v0.10.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling clap v2.19.2
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling url v1.2.4
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling syntex_pos v0.52.0
[INFO] [stderr]    Compiling mio v0.5.1
[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-1.2.4/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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]    Compiling syntex_errors v0.52.0
[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" "b06679867df97df75307bddf99bebd00b1d4388e6020b94bb5b161a8ecd89409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06679867df97df75307bddf99bebd00b1d4388e6020b94bb5b161a8ecd89409", kill_on_drop: false }`
[INFO] [stdout] b06679867df97df75307bddf99bebd00b1d4388e6020b94bb5b161a8ecd89409