[INFO] cloning repository https://github.com/oraclesorg/poa-governance-notifications
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oraclesorg/poa-governance-notifications" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foraclesorg%2Fpoa-governance-notifications", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foraclesorg%2Fpoa-governance-notifications'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dec5b442c30c738dcc81434faff93a72431cfbf1
[INFO] checking oraclesorg/poa-governance-notifications against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foraclesorg%2Fpoa-governance-notifications" "/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/oraclesorg/poa-governance-notifications on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oraclesorg/poa-governance-notifications
[INFO] finished tweaking git repo https://github.com/oraclesorg/poa-governance-notifications
[INFO] tweaked toml for git repo https://github.com/oraclesorg/poa-governance-notifications written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/oraclesorg/poa-governance-notifications already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 617cc19b5f3e94a48e3acc0847d8094f518f7a960416b5d9766eb05f18101ac3
[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" "617cc19b5f3e94a48e3acc0847d8094f518f7a960416b5d9766eb05f18101ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "617cc19b5f3e94a48e3acc0847d8094f518f7a960416b5d9766eb05f18101ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617cc19b5f3e94a48e3acc0847d8094f518f7a960416b5d9766eb05f18101ac3", kill_on_drop: false }`
[INFO] [stdout] 617cc19b5f3e94a48e3acc0847d8094f518f7a960416b5d9766eb05f18101ac3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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] 9876487d0b94157c12af2e25048c5592b0176117a36a52befe4f8df0032fe193
[INFO] running `Command { std: "docker" "start" "-a" "9876487d0b94157c12af2e25048c5592b0176117a36a52befe4f8df0032fe193", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapsize v0.4.1
[INFO] [stderr]     Checking tiny-keccak v1.4.0
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking rand v0.3.20
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling openssl-sys v0.9.24
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]    Compiling rustc_version v0.2.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking fixed-hash v0.1.2
[INFO] [stderr]    Compiling uint v0.1.0
[INFO] [stderr]    Compiling ethereum-types v0.2.0
[INFO] [stderr]     Checking uuid v0.5.1
[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-1.6.0/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" "9876487d0b94157c12af2e25048c5592b0176117a36a52befe4f8df0032fe193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9876487d0b94157c12af2e25048c5592b0176117a36a52befe4f8df0032fe193", kill_on_drop: false }`
[INFO] [stdout] 9876487d0b94157c12af2e25048c5592b0176117a36a52befe4f8df0032fe193