[INFO] cloning repository https://github.com/DiscordCraft/Arrayong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DiscordCraft/Arrayong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscordCraft%2FArrayong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscordCraft%2FArrayong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abe6dc1f4c7585840ba4975b8f29bcdaf8ee9de3
[INFO] checking DiscordCraft/Arrayong against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscordCraft%2FArrayong" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DiscordCraft/Arrayong on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DiscordCraft/Arrayong
[INFO] finished tweaking git repo https://github.com/DiscordCraft/Arrayong
[INFO] tweaked toml for git repo https://github.com/DiscordCraft/Arrayong written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/DiscordCraft/Arrayong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2db8f3a5dcd3e664b3106637c304cdc27a6c9eed9368dea52a2a9519bc35da29
[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" "2db8f3a5dcd3e664b3106637c304cdc27a6c9eed9368dea52a2a9519bc35da29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2db8f3a5dcd3e664b3106637c304cdc27a6c9eed9368dea52a2a9519bc35da29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db8f3a5dcd3e664b3106637c304cdc27a6c9eed9368dea52a2a9519bc35da29", kill_on_drop: false }`
[INFO] [stdout] 2db8f3a5dcd3e664b3106637c304cdc27a6c9eed9368dea52a2a9519bc35da29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 4ad3f6acf23714ffc69e6545e4534e3b426ee8c25002cf615241d8f40fd74541
[INFO] running `Command { std: "docker" "start" "-a" "4ad3f6acf23714ffc69e6545e4534e3b426ee8c25002cf615241d8f40fd74541", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.23
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking sublime_fuzzy v0.4.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]     Checking remove_dir_all v0.3.0
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking libflate v0.1.14
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking tempdir v0.3.6
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking parking_lot_core v0.2.10
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling openssl-sys v0.9.24
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]    Compiling mime_guess v1.8.3
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.3
[INFO] [stderr]     Checking parking_lot v0.5.3
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking tokio-core v0.1.12
[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] 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" "4ad3f6acf23714ffc69e6545e4534e3b426ee8c25002cf615241d8f40fd74541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad3f6acf23714ffc69e6545e4534e3b426ee8c25002cf615241d8f40fd74541", kill_on_drop: false }`
[INFO] [stdout] 4ad3f6acf23714ffc69e6545e4534e3b426ee8c25002cf615241d8f40fd74541