[INFO] cloning repository https://github.com/yoshuawuyts/github-release
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshuawuyts/github-release" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fgithub-release", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fgithub-release'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6425e9ad3cd7380a1b64c39814144d79a77d151a
[INFO] checking yoshuawuyts/github-release against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Fgithub-release" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshuawuyts/github-release on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yoshuawuyts/github-release
[INFO] finished tweaking git repo https://github.com/yoshuawuyts/github-release
[INFO] tweaked toml for git repo https://github.com/yoshuawuyts/github-release written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshuawuyts/github-release already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d19e997aa77be2b0f79598bc2e3fb91d0b080f3743a5f97a2c1e019bdb6646e
[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" "8d19e997aa77be2b0f79598bc2e3fb91d0b080f3743a5f97a2c1e019bdb6646e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d19e997aa77be2b0f79598bc2e3fb91d0b080f3743a5f97a2c1e019bdb6646e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d19e997aa77be2b0f79598bc2e3fb91d0b080f3743a5f97a2c1e019bdb6646e", kill_on_drop: false }`
[INFO] [stdout] 8d19e997aa77be2b0f79598bc2e3fb91d0b080f3743a5f97a2c1e019bdb6646e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d7790132cf42fb00260b224ce6a3651f5976ec4b29a27f1e9306fbd9862ad30
[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" "1d7790132cf42fb00260b224ce6a3651f5976ec4b29a27f1e9306fbd9862ad30", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]    Compiling winapi v0.3.4
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]     Checking mkdirp v0.1.0
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling if_chain v0.1.2
[INFO] [stderr]    Compiling clippy v0.0.193
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking parking_lot_core v0.2.13
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.2
[INFO] [stderr]     Checking libflate v0.1.14
[INFO] [stderr]     Checking parking_lot v0.5.4
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking directories v0.8.5
[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-1.7.0/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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "1d7790132cf42fb00260b224ce6a3651f5976ec4b29a27f1e9306fbd9862ad30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7790132cf42fb00260b224ce6a3651f5976ec4b29a27f1e9306fbd9862ad30", kill_on_drop: false }`
[INFO] [stdout] 1d7790132cf42fb00260b224ce6a3651f5976ec4b29a27f1e9306fbd9862ad30