[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 beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuktakosh%2Funicorn" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/muktakosh/unicorn on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-11/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matches v0.1.4
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded semver v0.2.3
[INFO] [stderr]   Downloaded bytes v0.3.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded quote v0.3.10
[INFO] [stderr]   Downloaded rustc-serialize v0.3.22
[INFO] [stderr]   Downloaded toml v0.1.30
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded mio v0.5.1
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded term_size v0.2.1
[INFO] [stderr]   Downloaded clippy v0.0.104
[INFO] [stderr]   Downloaded serde v0.8.21
[INFO] [stderr]   Downloaded unicode-normalization v0.1.3
[INFO] [stderr]   Downloaded clippy_lints v0.0.104
[INFO] [stderr]   Downloaded serde_derive v0.8.21
[INFO] [stderr]   Downloaded clap v2.19.2
[INFO] [stderr]   Downloaded syntex v0.52.0
[INFO] [stderr]   Downloaded syntex_errors v0.52.0
[INFO] [stderr]   Downloaded ws v0.5.3
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.3
[INFO] [stderr]   Downloaded net2 v0.2.26
[INFO] [stderr]   Downloaded syntex_syntax v0.52.0
[INFO] [stderr]   Downloaded miow v0.1.5
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded serde_codegen v0.8.21
[INFO] [stderr]   Downloaded slab v0.1.3
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded httparse v1.2.1
[INFO] [stderr]   Downloaded libc v0.2.18
[INFO] [stderr]   Downloaded syntex_pos v0.52.0
[INFO] [stderr]   Downloaded url v1.2.4
[INFO] [stderr]   Downloaded unicode-bidi v0.2.4
[INFO] [stderr]   Downloaded serde_json v0.8.4
[INFO] [stderr]   Downloaded syn v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b55225f65552183df0daf8b6b3fa7137fe800be5a70fabb8c696dadc49587196
[INFO] running `Command { std: "docker" "start" "-a" "b55225f65552183df0daf8b6b3fa7137fe800be5a70fabb8c696dadc49587196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b55225f65552183df0daf8b6b3fa7137fe800be5a70fabb8c696dadc49587196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55225f65552183df0daf8b6b3fa7137fe800be5a70fabb8c696dadc49587196", kill_on_drop: false }`
[INFO] [stdout] b55225f65552183df0daf8b6b3fa7137fe800be5a70fabb8c696dadc49587196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 549043f409abd6b1106bc897a9e6058ee97c5a5b8dae9ab8fc0ec940bb457697
[INFO] running `Command { std: "docker" "start" "-a" "549043f409abd6b1106bc897a9e6058ee97c5a5b8dae9ab8fc0ec940bb457697", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling syntex_pos v0.52.0
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]    Compiling url v1.2.4
[INFO] [stderr]    Compiling syn v0.10.5
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling clap v2.19.2
[INFO] [stderr]    Compiling syntex_errors v0.52.0
[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-1.2.4/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] error: could not compile `url` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "549043f409abd6b1106bc897a9e6058ee97c5a5b8dae9ab8fc0ec940bb457697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549043f409abd6b1106bc897a9e6058ee97c5a5b8dae9ab8fc0ec940bb457697", kill_on_drop: false }`
[INFO] [stdout] 549043f409abd6b1106bc897a9e6058ee97c5a5b8dae9ab8fc0ec940bb457697
