[INFO] cloning repository https://github.com/babariviere/unibot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/babariviere/unibot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabariviere%2Funibot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabariviere%2Funibot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64c81d5880811da6d79f7b70fda111bf0e00f4e0
[INFO] testing babariviere/unibot 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%2Fbabariviere%2Funibot" "/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/babariviere/unibot 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/babariviere/unibot
[INFO] finished tweaking git repo https://github.com/babariviere/unibot
[INFO] tweaked toml for git repo https://github.com/babariviere/unibot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/babariviere/unibot 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 bit-vec v0.4.3
[INFO] [stderr]   Downloaded native-tls v0.1.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.6
[INFO] [stderr]   Downloaded mime v0.2.2
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded error-chain v0.7.2
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded hyper-native-tls v0.2.1
[INFO] [stderr]   Downloaded metadeps v1.1.1
[INFO] [stderr]   Downloaded url v1.3.0
[INFO] [stderr]   Downloaded num_cpus v1.2.1
[INFO] [stderr]   Downloaded gcc v0.3.41
[INFO] [stderr]   Downloaded term_size v0.2.1
[INFO] [stderr]   Downloaded term v0.4.4
[INFO] [stderr]   Downloaded rustc-serialize v0.3.22
[INFO] [stderr]   Downloaded rustc-demangle v0.1.3
[INFO] [stderr]   Downloaded httparse v1.2.1
[INFO] [stderr]   Downloaded clap v2.19.3
[INFO] [stderr]   Downloaded unicode-normalization v0.1.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.5
[INFO] [stderr]   Downloaded idna v0.1.0
[INFO] [stderr]   Downloaded error-chain v0.8.1
[INFO] [stderr]   Downloaded security-framework v0.1.10
[INFO] [stderr]   Downloaded mac v0.0.2
[INFO] [stderr]   Downloaded unicase v1.4.0
[INFO] [stderr]   Downloaded unicode-bidi v0.2.4
[INFO] [stderr]   Downloaded openssl v0.9.6
[INFO] [stderr]   Downloaded security-framework-sys v0.1.10
[INFO] [stderr]   Downloaded siphasher v0.2.0
[INFO] [stderr]   Downloaded time v0.1.36
[INFO] [stderr]   Downloaded redox_syscall v0.1.16
[INFO] [stderr]   Downloaded select v0.3.0
[INFO] [stderr]   Downloaded html5ever v0.5.4
[INFO] [stderr]   Downloaded pkg-config v0.3.8
[INFO] [stderr]   Downloaded schannel v0.1.2
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded matches v0.1.4
[INFO] [stderr]   Downloaded tendril v0.2.3
[INFO] [stderr]   Downloaded string_cache v0.2.29
[INFO] [stderr]   Downloaded debug_unreachable v0.1.1
[INFO] [stderr]   Downloaded futf v0.1.2
[INFO] [stderr]   Downloaded utf-8 v0.6.0
[INFO] [stderr]   Downloaded hyper v0.10.0
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.3
[INFO] [stderr]   Downloaded libc v0.2.20
[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] [stdout] fcb174a2bcb2946f846fb08589c0da3e759d2bdcd355fdde2d6472ca42eb41cc
[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" "fcb174a2bcb2946f846fb08589c0da3e759d2bdcd355fdde2d6472ca42eb41cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcb174a2bcb2946f846fb08589c0da3e759d2bdcd355fdde2d6472ca42eb41cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb174a2bcb2946f846fb08589c0da3e759d2bdcd355fdde2d6472ca42eb41cc", kill_on_drop: false }`
[INFO] [stdout] fcb174a2bcb2946f846fb08589c0da3e759d2bdcd355fdde2d6472ca42eb41cc
[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] 431fc54a37c7f6b4aef00203812c9501880068b597b93f9d482112d6d1d0302b
[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" "431fc54a37c7f6b4aef00203812c9501880068b597b93f9d482112d6d1d0302b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling siphasher v0.2.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling mac v0.0.2
[INFO] [stderr]    Compiling bit-vec v0.4.3
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling url v1.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling futf v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling clap v2.19.3
[INFO] [stderr]    Compiling tendril v0.2.3
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling error-chain v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[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-1.3.0/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] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling string_cache v0.2.29
[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" "431fc54a37c7f6b4aef00203812c9501880068b597b93f9d482112d6d1d0302b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431fc54a37c7f6b4aef00203812c9501880068b597b93f9d482112d6d1d0302b", kill_on_drop: false }`
[INFO] [stdout] 431fc54a37c7f6b4aef00203812c9501880068b597b93f9d482112d6d1d0302b