[INFO] cloning repository https://github.com/yubele/nickel_view
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yubele/nickel_view" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyubele%2Fnickel_view", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyubele%2Fnickel_view'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1565093f2c8a19220c6f7bb99a588ed5d61d396b
[INFO] testing yubele/nickel_view against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyubele%2Fnickel_view" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yubele/nickel_view on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yubele/nickel_view
[INFO] finished tweaking git repo https://github.com/yubele/nickel_view
[INFO] tweaked toml for git repo https://github.com/yubele/nickel_view written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/yubele/nickel_view already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unsafe-any v0.4.1
[INFO] [stderr]   Downloaded groupable v0.2.0
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded traitobject v0.0.1
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded num_cpus v1.3.0
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded solicit v0.4.4
[INFO] [stderr]   Downloaded hyper v0.9.18
[INFO] [stderr]   Downloaded mustache v0.6.3
[INFO] [stderr]   Downloaded nickel v0.9.0
[INFO] [stderr]   Downloaded time v0.1.36
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded rustc-serialize v0.3.23
[INFO] [stderr]   Downloaded unicode-bidi v0.2.5
[INFO] [stderr]   Downloaded hpack v0.2.0
[INFO] [stderr]   Downloaded mime v0.2.3
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 281cfc7717a481f082142a34532a1451b8f8175bfc3d3f427f9598f223f1b312
[INFO] running `Command { std: "docker" "start" "-a" "281cfc7717a481f082142a34532a1451b8f8175bfc3d3f427f9598f223f1b312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "281cfc7717a481f082142a34532a1451b8f8175bfc3d3f427f9598f223f1b312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281cfc7717a481f082142a34532a1451b8f8175bfc3d3f427f9598f223f1b312", kill_on_drop: false }`
[INFO] [stdout] 281cfc7717a481f082142a34532a1451b8f8175bfc3d3f427f9598f223f1b312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47c4451e21847c3c80704e1b000255d530e1f8f176cc9d83ecb6dfcdaa79578b
[INFO] running `Command { std: "docker" "start" "-a" "47c4451e21847c3c80704e1b000255d530e1f8f176cc9d83ecb6dfcdaa79578b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling httparse v1.2.2
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling groupable v0.2.0
[INFO] [stderr]    Compiling unsafe-any v0.4.1
[INFO] [stderr]    Compiling unicode-bidi v0.2.5
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling idna v0.1.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling mustache v0.6.3
[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-1.4.0/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" "47c4451e21847c3c80704e1b000255d530e1f8f176cc9d83ecb6dfcdaa79578b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c4451e21847c3c80704e1b000255d530e1f8f176cc9d83ecb6dfcdaa79578b", kill_on_drop: false }`
[INFO] [stdout] 47c4451e21847c3c80704e1b000255d530e1f8f176cc9d83ecb6dfcdaa79578b