[INFO] cloning repository https://github.com/tailhook/ciruela
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tailhook/ciruela" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailhook%2Fciruela", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailhook%2Fciruela'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6174614d108466d8c5d2af2382f365ca81968151
[INFO] checking tailhook/ciruela against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftailhook%2Fciruela" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tailhook/ciruela on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tailhook/ciruela
[INFO] finished tweaking git repo https://github.com/tailhook/ciruela
[INFO] tweaked toml for git repo https://github.com/tailhook/ciruela written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/tailhook/ciruela already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e391f02a0ca30de645535d265cc218f5ff8d0652fa0fd3207f736b8e7dbab31b
[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" "e391f02a0ca30de645535d265cc218f5ff8d0652fa0fd3207f736b8e7dbab31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e391f02a0ca30de645535d265cc218f5ff8d0652fa0fd3207f736b8e7dbab31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e391f02a0ca30de645535d265cc218f5ff8d0652fa0fd3207f736b8e7dbab31b", kill_on_drop: false }`
[INFO] [stdout] e391f02a0ca30de645535d265cc218f5ff8d0652fa0fd3207f736b8e7dbab31b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cf297522c986607309c1c6c81e0f553d6cf026da62ada090c96be30a96c9e71
[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" "4cf297522c986607309c1c6c81e0f553d6cf026da62ada090c96be30a96c9e71", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling serde v1.0.64
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking sha1 v0.4.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]     Checking rand_core v0.2.0
[INFO] [stderr]     Checking atomic v0.3.4
[INFO] [stderr]     Checking atomic v0.4.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking openat v0.1.13
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking scan_dir v0.3.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking base64 v0.9.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]     Checking rand v0.5.0
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking backtrace-sys v0.1.23
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking humannum v0.1.0
[INFO] [stderr]     Checking ssh-keys v0.1.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tempfile v3.0.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling syn v0.14.1
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking abstract-ns v0.4.3
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking async-slot v0.1.0
[INFO] [stderr]     Checking valuable_futures v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking ns-std-threaded v0.3.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tk-bufstream v0.3.0
[INFO] [stderr]     Checking tokio-fs v0.1.0
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking digest-writer v0.3.1
[INFO] [stderr]     Checking blake2 v0.7.1
[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` 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" "4cf297522c986607309c1c6c81e0f553d6cf026da62ada090c96be30a96c9e71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf297522c986607309c1c6c81e0f553d6cf026da62ada090c96be30a96c9e71", kill_on_drop: false }`
[INFO] [stdout] 4cf297522c986607309c1c6c81e0f553d6cf026da62ada090c96be30a96c9e71