[INFO] cloning repository https://github.com/lettenj61/mvneer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lettenj61/mvneer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flettenj61%2Fmvneer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flettenj61%2Fmvneer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af689061ee305c9330abd5990b64291928b976d3
[INFO] testing lettenj61/mvneer against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flettenj61%2Fmvneer" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lettenj61/mvneer on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lettenj61/mvneer
[INFO] finished tweaking git repo https://github.com/lettenj61/mvneer
[INFO] tweaked toml for git repo https://github.com/lettenj61/mvneer written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/lettenj61/mvneer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 quote v0.3.12
[INFO] [stderr]   Downloaded openssl-sys v0.9.7
[INFO] [stderr]   Downloaded term_size v0.2.2
[INFO] [stderr]   Downloaded clap v2.20.3
[INFO] [stderr]   Downloaded serde_codegen_internals v0.13.0
[INFO] [stderr]   Downloaded syn v0.11.4
[INFO] [stderr]   Downloaded serde_derive v0.9.7
[INFO] [stderr]   Downloaded serde v0.9.7
[INFO] [stderr]   Downloaded serde_json v0.9.6
[INFO] [stderr]   Downloaded curl v0.4.5
[INFO] [stderr]   Downloaded curl-sys v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02e18984a0ef8bec0d1d149fcc345f9881680c0064bbbe92a2006c2da18fdc4f
[INFO] running `Command { std: "docker" "start" "-a" "02e18984a0ef8bec0d1d149fcc345f9881680c0064bbbe92a2006c2da18fdc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02e18984a0ef8bec0d1d149fcc345f9881680c0064bbbe92a2006c2da18fdc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e18984a0ef8bec0d1d149fcc345f9881680c0064bbbe92a2006c2da18fdc4f", kill_on_drop: false }`
[INFO] [stdout] 02e18984a0ef8bec0d1d149fcc345f9881680c0064bbbe92a2006c2da18fdc4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520c4c70bf8c89c0127b33360e35312dc119514fc575446c0543debb0c218aaa
[INFO] running `Command { std: "docker" "start" "-a" "520c4c70bf8c89c0127b33360e35312dc119514fc575446c0543debb0c218aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling openssl-probe v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling serde v0.9.7
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.2.5
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling term_size v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling clap v2.20.3
[INFO] [stderr]    Compiling aho-corasick v0.6.2
[INFO] [stderr]    Compiling libz-sys v1.0.12
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[INFO] [stderr]    Compiling curl-sys v0.3.9
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[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-1.4.0/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" "520c4c70bf8c89c0127b33360e35312dc119514fc575446c0543debb0c218aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520c4c70bf8c89c0127b33360e35312dc119514fc575446c0543debb0c218aaa", kill_on_drop: false }`
[INFO] [stdout] 520c4c70bf8c89c0127b33360e35312dc119514fc575446c0543debb0c218aaa