[INFO] cloning repository https://github.com/gnunicorn/safe_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnunicorn/safe_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fsafe_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fsafe_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 388f8fd1854986ecec4ee20a406b0f59cd912c25
[INFO] checking gnunicorn/safe_proxy against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnunicorn%2Fsafe_proxy" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnunicorn/safe_proxy on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gnunicorn/safe_proxy
[INFO] finished tweaking git repo https://github.com/gnunicorn/safe_proxy
[INFO] tweaked toml for git repo https://github.com/gnunicorn/safe_proxy written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gnunicorn/safe_proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] warning: parsed version requirement `0.2*` is no longer valid
[INFO] [stderr] 
[INFO] [stderr] Previous versions of Cargo accepted this malformed requirement,
[INFO] [stderr] but it is being deprecated. This was found when parsing the manifest
[INFO] [stderr] of iron 0.2.6, and the correct version requirement is `0.2.*`.
[INFO] [stderr] 
[INFO] [stderr] This will soon become a hard error, so it's either recommended to
[INFO] [stderr] update to a fixed version or contact the upstream maintainer about
[INFO] [stderr] this warning.
[INFO] [stderr] 
[INFO] [stderr]   Downloaded kademlia_routing_table v0.6.0
[INFO] [stderr]   Downloaded lru_time_cache v0.4.0
[INFO] [stderr]   Downloaded tmp_mio v0.5.2
[INFO] [stderr]   Downloaded config_file_handler v0.4.0
[INFO] [stderr]   Downloaded rust_sodium-sys v0.1.2
[INFO] [stderr]   Downloaded log4rs v0.4.8
[INFO] [stderr]   Downloaded brotli2 v0.2.1
[INFO] [stderr]   Downloaded serde-value v0.2.1
[INFO] [stderr]   Downloaded persistent v0.0.6
[INFO] [stderr]   Downloaded c_linked_list v1.1.0
[INFO] [stderr]   Downloaded ordered-float v0.1.0
[INFO] [stderr]   Downloaded humantime v0.1.3
[INFO] [stderr]   Downloaded rust_sodium v0.1.2
[INFO] [stderr]   Downloaded lru_time_cache v0.5.0
[INFO] [stderr]   Downloaded tar v0.4.9
[INFO] [stderr]   Downloaded maidsafe_utilities v0.10.0
[INFO] [stderr]   Downloaded accumulator v0.4.0
[INFO] [stderr]   Downloaded itertools v0.5.6
[INFO] [stderr]   Downloaded safe_core v0.22.1
[INFO] [stderr]   Downloaded self_encryption v0.7.1
[INFO] [stderr]   Downloaded routing v0.27.1
[INFO] [stderr]   Downloaded brotli-sys v0.2.0
[INFO] [stderr]   Downloaded crust v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f95163ec1dbf376dd7bf7ff25e5e40997f93317e238756e0436b518147b8697
[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" "8f95163ec1dbf376dd7bf7ff25e5e40997f93317e238756e0436b518147b8697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f95163ec1dbf376dd7bf7ff25e5e40997f93317e238756e0436b518147b8697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f95163ec1dbf376dd7bf7ff25e5e40997f93317e238756e0436b518147b8697", kill_on_drop: false }`
[INFO] [stdout] 8f95163ec1dbf376dd7bf7ff25e5e40997f93317e238756e0436b518147b8697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0105629346c4dfb3543255e6e19693063271cf2af55b61d2287cc9a69d5c514c
[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" "0105629346c4dfb3543255e6e19693063271cf2af55b61d2287cc9a69d5c514c", 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] [stderr] warning: parsed version requirement `0.2*` is no longer valid
[INFO] [stderr] 
[INFO] [stderr] Previous versions of Cargo accepted this malformed requirement,
[INFO] [stderr] but it is being deprecated. This was found when parsing the manifest
[INFO] [stderr] of iron 0.2.6, and the correct version requirement is `0.2.*`.
[INFO] [stderr] 
[INFO] [stderr] This will soon become a hard error, so it's either recommended to
[INFO] [stderr] update to a fixed version or contact the upstream maintainer about
[INFO] [stderr] this warning.
[INFO] [stderr] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking traitobject v0.0.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking serde v0.8.19
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]    Compiling routing v0.27.1
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking either v1.0.2
[INFO] [stderr]     Checking lru_time_cache v0.4.0
[INFO] [stderr]     Checking c_linked_list v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.0.9
[INFO] [stderr]     Checking lru_time_cache v0.5.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking humantime v0.1.3
[INFO] [stderr]     Checking xml-rs v0.3.5
[INFO] [stderr]     Checking unsafe-any v0.4.1
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking accumulator v0.4.0
[INFO] [stderr]     Checking itertools v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking url v1.2.3
[INFO] [stderr]     Checking lru-cache v0.0.7
[INFO] [stderr]    Compiling xattr v0.1.10
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking term v0.4.4
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking miow v0.1.3
[INFO] [stderr]     Checking url v0.5.10
[INFO] [stderr]     Checking phf_shared v0.7.20
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking config_file_handler v0.4.0
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling tar v0.4.9
[INFO] [stderr]     Checking kademlia_routing_table v0.6.0
[INFO] [stderr]     Checking plugin v0.2.6
[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-1.2.3/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] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking phf v0.7.20
[INFO] [stderr] error: could not compile `url`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[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" "0105629346c4dfb3543255e6e19693063271cf2af55b61d2287cc9a69d5c514c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0105629346c4dfb3543255e6e19693063271cf2af55b61d2287cc9a69d5c514c", kill_on_drop: false }`
[INFO] [stdout] 0105629346c4dfb3543255e6e19693063271cf2af55b61d2287cc9a69d5c514c