[INFO] cloning repository https://github.com/dovahcrow/keenio-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dovahcrow/keenio-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovahcrow%2Fkeenio-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovahcrow%2Fkeenio-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d201c9940f2bc5cd3c7591a40bfc398073c53cc
[INFO] checking dovahcrow/keenio-rs against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdovahcrow%2Fkeenio-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dovahcrow/keenio-rs on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dovahcrow/keenio-rs
[INFO] finished tweaking git repo https://github.com/dovahcrow/keenio-rs
[INFO] tweaked toml for git repo https://github.com/dovahcrow/keenio-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dovahcrow/keenio-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v0.9.11
[INFO] [stderr]   Downloaded webpki v0.10.0
[INFO] [stderr]   Downloaded clippy_lints v0.0.118
[INFO] [stderr]   Downloaded clippy v0.0.118
[INFO] [stderr]   Downloaded syn v0.11.8
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f11a0fc1572cde7f7dd626a9e8f843dc48cd4291d875aa6f29c635d5839b6705
[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" "f11a0fc1572cde7f7dd626a9e8f843dc48cd4291d875aa6f29c635d5839b6705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f11a0fc1572cde7f7dd626a9e8f843dc48cd4291d875aa6f29c635d5839b6705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11a0fc1572cde7f7dd626a9e8f843dc48cd4291d875aa6f29c635d5839b6705", kill_on_drop: false }`
[INFO] [stdout] f11a0fc1572cde7f7dd626a9e8f843dc48cd4291d875aa6f29c635d5839b6705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aad96b174baeebf18d2371ba235a85241ff7a02ed84820733cd771aca2d8527b
[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" "aad96b174baeebf18d2371ba235a85241ff7a02ed84820733cd771aca2d8527b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking base64 v0.2.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]    Compiling syn v0.11.8
[INFO] [stderr]     Checking structopt v0.0.3
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.5
[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-1.4.0/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] [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" "aad96b174baeebf18d2371ba235a85241ff7a02ed84820733cd771aca2d8527b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad96b174baeebf18d2371ba235a85241ff7a02ed84820733cd771aca2d8527b", kill_on_drop: false }`
[INFO] [stdout] aad96b174baeebf18d2371ba235a85241ff7a02ed84820733cd771aca2d8527b