[INFO] cloning repository https://github.com/quartz55/discopotty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quartz55/discopotty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquartz55%2Fdiscopotty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquartz55%2Fdiscopotty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28ba77083a0beb3ea8fd23eec64213c0e5a84e5a
[INFO] checking quartz55/discopotty against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquartz55%2Fdiscopotty" "/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/quartz55/discopotty on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quartz55/discopotty
[INFO] finished tweaking git repo https://github.com/quartz55/discopotty
[INFO] tweaked toml for git repo https://github.com/quartz55/discopotty written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/quartz55/discopotty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57d4afbcebcdd4d42ad8503593e8f42738eee8aaf795b61e0c1ff73ff5a88cee
[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" "57d4afbcebcdd4d42ad8503593e8f42738eee8aaf795b61e0c1ff73ff5a88cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57d4afbcebcdd4d42ad8503593e8f42738eee8aaf795b61e0c1ff73ff5a88cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d4afbcebcdd4d42ad8503593e8f42738eee8aaf795b61e0c1ff73ff5a88cee", kill_on_drop: false }`
[INFO] [stdout] 57d4afbcebcdd4d42ad8503593e8f42738eee8aaf795b61e0c1ff73ff5a88cee
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c99ea6bc6b731558adde05c04b71ebd76e5111688a9eb1e44f4289ff1ff8b9e2
[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" "c99ea6bc6b731558adde05c04b71ebd76e5111688a9eb1e44f4289ff1ff8b9e2", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]    Compiling openssl v0.9.19
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking slog v2.0.12
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking smallvec v0.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking take_mut v0.1.3
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.0
[INFO] [stderr]     Checking vec_shift v0.1.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling libsodium-sys v0.0.14
[INFO] [stderr]    Compiling opus-sys v0.2.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking slog-scope v3.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking isatty v0.1.3
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking slog-stdlog v2.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking slog-async v2.1.0
[INFO] [stderr]     Checking opus v0.2.0
[INFO] [stderr]     Checking sodiumoxide v0.0.14
[INFO] [stderr]    Compiling openssl-sys v0.9.19
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking parking_lot_core v0.2.6
[INFO] [stderr]     Checking trackable v0.2.4
[INFO] [stderr]    Compiling phf_generator v0.7.21
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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" "c99ea6bc6b731558adde05c04b71ebd76e5111688a9eb1e44f4289ff1ff8b9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99ea6bc6b731558adde05c04b71ebd76e5111688a9eb1e44f4289ff1ff8b9e2", kill_on_drop: false }`
[INFO] [stdout] c99ea6bc6b731558adde05c04b71ebd76e5111688a9eb1e44f4289ff1ff8b9e2