[INFO] cloning repository https://github.com/rjulian/hostname-service
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rjulian/hostname-service" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjulian%2Fhostname-service", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjulian%2Fhostname-service'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45d8c12065b16b0dddda0c2c00c43f6b452b6625
[INFO] testing rjulian/hostname-service against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjulian%2Fhostname-service" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rjulian/hostname-service on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rjulian/hostname-service
[INFO] finished tweaking git repo https://github.com/rjulian/hostname-service
[INFO] tweaked toml for git repo https://github.com/rjulian/hostname-service written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/rjulian/hostname-service already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-tls v0.1.2
[INFO] [stderr]   Downloaded schannel v0.1.10
[INFO] [stderr]   Downloaded openssl v0.9.23
[INFO] [stderr]   Downloaded cc v1.0.4
[INFO] [stderr]   Downloaded rand v0.3.20
[INFO] [stderr]   Downloaded mio v0.6.13
[INFO] [stderr]   Downloaded rustc_version v0.2.1
[INFO] [stderr]   Downloaded semver v0.6.0
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded futures v0.1.18
[INFO] [stderr]   Downloaded antidote v1.0.0
[INFO] [stderr]   Downloaded hmac v0.5.0
[INFO] [stderr]   Downloaded rusoto_credential v0.10.0
[INFO] [stderr]   Downloaded hex v0.2.0
[INFO] [stderr]   Downloaded crypto-mac v0.5.2
[INFO] [stderr]   Downloaded sha2 v0.7.0
[INFO] [stderr]   Downloaded num v0.1.41
[INFO] [stderr]   Downloaded mustache v0.8.2
[INFO] [stderr]   Downloaded hyper-native-tls v0.2.4
[INFO] [stderr]   Downloaded hyper v0.11.18
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded tokio-core v0.1.12
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] [stderr]   Downloaded serde v1.0.27
[INFO] [stderr]   Downloaded openssl-sys v0.9.24
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded tokio-io v0.1.5
[INFO] [stderr]   Downloaded url v1.6.0
[INFO] [stderr]   Downloaded rusoto_core v0.31.0
[INFO] [stderr]   Downloaded typenum v1.9.0
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] [stderr]   Downloaded serde_derive_internals v0.19.0
[INFO] [stderr]   Downloaded serde_derive v1.0.27
[INFO] [stderr]   Downloaded num-traits v0.1.42
[INFO] [stderr]   Downloaded regex v0.2.5
[INFO] [stderr]   Downloaded serde_json v1.0.9
[INFO] [stderr]   Downloaded remove_dir_all v0.3.0
[INFO] [stderr]   Downloaded tempdir v0.3.6
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded nickel v0.10.1
[INFO] [stderr]   Downloaded rusoto_dynamodb v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] b4b3f094108465eb64cdd1fde5286e5cd8b6da6d0bea73dbc3813dc8dc74e8b2
[INFO] running `Command { std: "docker" "start" "-a" "b4b3f094108465eb64cdd1fde5286e5cd8b6da6d0bea73dbc3813dc8dc74e8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4b3f094108465eb64cdd1fde5286e5cd8b6da6d0bea73dbc3813dc8dc74e8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b3f094108465eb64cdd1fde5286e5cd8b6da6d0bea73dbc3813dc8dc74e8b2", kill_on_drop: false }`
[INFO] [stdout] b4b3f094108465eb64cdd1fde5286e5cd8b6da6d0bea73dbc3813dc8dc74e8b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10930a14056972e12b3ea8c5281415588da5bc2d534bd70e139e1febf66b7dee
[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" "10930a14056972e12b3ea8c5281415588da5bc2d534bd70e139e1febf66b7dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling openssl v0.9.23
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling mustache v0.8.2
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling rusoto_core v0.31.0
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling serde_json v1.0.9
[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-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     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 openssl-sys v0.9.24
[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" "10930a14056972e12b3ea8c5281415588da5bc2d534bd70e139e1febf66b7dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10930a14056972e12b3ea8c5281415588da5bc2d534bd70e139e1febf66b7dee", kill_on_drop: false }`
[INFO] [stdout] 10930a14056972e12b3ea8c5281415588da5bc2d534bd70e139e1febf66b7dee