[INFO] cloning repository https://github.com/archer884/blackrock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/blackrock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fblackrock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fblackrock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf00df9f7844ba7eb3deed02308cb02c0aaf6792
[INFO] testing archer884/blackrock against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fblackrock" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/blackrock on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/archer884/blackrock
[INFO] finished tweaking git repo https://github.com/archer884/blackrock
[INFO] tweaked toml for git repo https://github.com/archer884/blackrock written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/blackrock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded percent-encoding v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.26
[INFO] [stderr]   Downloaded security-framework-sys v0.1.14
[INFO] [stderr]   Downloaded serde v1.0.10
[INFO] [stderr]   Downloaded redox_syscall v0.1.26
[INFO] [stderr]   Downloaded futures-cpupool v0.1.5
[INFO] [stderr]   Downloaded mime v0.3.2
[INFO] [stderr]   Downloaded textwrap v0.6.0
[INFO] [stderr]   Downloaded clap v2.25.0
[INFO] [stderr]   Downloaded serde_json v1.0.2
[INFO] [stderr]   Downloaded iovec v0.1.0
[INFO] [stderr]   Downloaded tokio-core v0.1.8
[INFO] [stderr]   Downloaded bytes v0.4.4
[INFO] [stderr]   Downloaded url v1.5.1
[INFO] [stderr]   Downloaded dtoa v0.4.1
[INFO] [stderr]   Downloaded gcc v0.3.51
[INFO] [stderr]   Downloaded itoa v0.3.1
[INFO] [stderr]   Downloaded hyper v0.11.1
[INFO] [stderr]   Downloaded openssl v0.9.14
[INFO] [stderr]   Downloaded bitreel v0.2.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.14
[INFO] [stderr]   Downloaded schannel v0.1.7
[INFO] [stderr]   Downloaded reqwest v0.7.0
[INFO] [stderr]   Downloaded security-framework v0.1.14
[INFO] [stderr]   Downloaded tokio-io v0.1.2
[INFO] [stderr]   Downloaded libflate v0.1.9
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] [stderr]   Downloaded mio v0.6.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa7ea83666d15ccdc7496381c2329439b6f01d875b95b779360f927d38985ba7
[INFO] running `Command { std: "docker" "start" "-a" "fa7ea83666d15ccdc7496381c2329439b6f01d875b95b779360f927d38985ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa7ea83666d15ccdc7496381c2329439b6f01d875b95b779360f927d38985ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7ea83666d15ccdc7496381c2329439b6f01d875b95b779360f927d38985ba7", kill_on_drop: false }`
[INFO] [stdout] fa7ea83666d15ccdc7496381c2329439b6f01d875b95b779360f927d38985ba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82b97d84a590ade7a0eac1409682133184acc71f479ab9db36bc900518353c67
[INFO] running `Command { std: "docker" "start" "-a" "82b97d84a590ade7a0eac1409682133184acc71f479ab9db36bc900518353c67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling openssl v0.9.14
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling serde v1.0.10
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling libflate v0.1.9
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling net2 v0.2.29
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling textwrap v0.6.0
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling bytes v0.4.4
[INFO] [stderr]    Compiling openssl-sys v0.9.14
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling mio v0.6.9
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling clap v2.25.0
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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" "82b97d84a590ade7a0eac1409682133184acc71f479ab9db36bc900518353c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b97d84a590ade7a0eac1409682133184acc71f479ab9db36bc900518353c67", kill_on_drop: false }`
[INFO] [stdout] 82b97d84a590ade7a0eac1409682133184acc71f479ab9db36bc900518353c67