[INFO] cloning repository https://github.com/xzfc/holy-bot-nu-serv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xzfc/holy-bot-nu-serv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxzfc%2Fholy-bot-nu-serv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxzfc%2Fholy-bot-nu-serv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da516e41e805febf5bd01018e6662d5c53c9e3a6
[INFO] testing xzfc/holy-bot-nu-serv 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%2Fxzfc%2Fholy-bot-nu-serv" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xzfc/holy-bot-nu-serv 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/xzfc/holy-bot-nu-serv
[INFO] finished tweaking git repo https://github.com/xzfc/holy-bot-nu-serv
[INFO] tweaked toml for git repo https://github.com/xzfc/holy-bot-nu-serv written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/xzfc/holy-bot-nu-serv 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 rand v0.5.3
[INFO] [stderr]   Downloaded mime v0.3.8
[INFO] [stderr]   Downloaded telegram-bot-raw v0.6.1
[INFO] [stderr]   Downloaded serde_derive v1.0.67
[INFO] [stderr]   Downloaded want v0.0.5
[INFO] [stderr]   Downloaded rusqlite v0.11.0
[INFO] [stderr]   Downloaded hyper v0.12.5
[INFO] [stderr]   Downloaded libflate v0.1.16
[INFO] [stderr]   Downloaded reqwest v0.8.6
[INFO] [stderr]   Downloaded libsqlite3-sys v0.8.1
[INFO] [stderr]   Downloaded telegram-bot v0.6.1
[INFO] [stderr]   Downloaded serde v1.0.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 30494ce3baff361ab6baa26fc1c4fc6082799b4bfd51e4902ea27b7cc0046ae2
[INFO] running `Command { std: "docker" "start" "-a" "30494ce3baff361ab6baa26fc1c4fc6082799b4bfd51e4902ea27b7cc0046ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30494ce3baff361ab6baa26fc1c4fc6082799b4bfd51e4902ea27b7cc0046ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30494ce3baff361ab6baa26fc1c4fc6082799b4bfd51e4902ea27b7cc0046ae2", kill_on_drop: false }`
[INFO] [stdout] 30494ce3baff361ab6baa26fc1c4fc6082799b4bfd51e4902ea27b7cc0046ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a37cc56c82220f8c2faf5fdb89f2527f4836f96c693824f68dedc423fa6380f6
[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" "a37cc56c82220f8c2faf5fdb89f2527f4836f96c693824f68dedc423fa6380f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling serde v1.0.67
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling openssl-sys v0.9.33
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.8.1
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling rand v0.5.3
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.67
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling want v0.0.5
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling error-chain v0.11.0
[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-1.7.0/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] 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" "a37cc56c82220f8c2faf5fdb89f2527f4836f96c693824f68dedc423fa6380f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37cc56c82220f8c2faf5fdb89f2527f4836f96c693824f68dedc423fa6380f6", kill_on_drop: false }`
[INFO] [stdout] a37cc56c82220f8c2faf5fdb89f2527f4836f96c693824f68dedc423fa6380f6