[INFO] cloning repository https://github.com/SnapLock/facelock-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SnapLock/facelock-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnapLock%2Ffacelock-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnapLock%2Ffacelock-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69fd48ba8ee086a7b83be0d1444c3faf76ac4dba
[INFO] checking SnapLock/facelock-backend against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSnapLock%2Ffacelock-backend" "/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/SnapLock/facelock-backend on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SnapLock/facelock-backend
[INFO] finished tweaking git repo https://github.com/SnapLock/facelock-backend
[INFO] tweaked toml for git repo https://github.com/SnapLock/facelock-backend written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/SnapLock/facelock-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded num_cpus v1.6.2
[INFO] [stderr]   Downloaded term-painter v0.2.3
[INFO] [stderr]   Downloaded chunked_transfer v0.3.1
[INFO] [stderr]   Downloaded percent-encoding v1.0.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.3
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded state v0.2.2
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded tempdir v0.3.5
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded phf_shared v0.7.21
[INFO] [stderr]   Downloaded phf_codegen v0.7.21
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded phf_generator v0.7.21
[INFO] [stderr]   Downloaded buf_redux v0.6.1
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] [stderr]   Downloaded safemem v0.1.1
[INFO] [stderr]   Downloaded tiny_http v0.5.8
[INFO] [stderr]   Downloaded iron v0.5.1
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded hyper v0.10.12
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded num v0.1.39
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] [stderr]   Downloaded idna v0.1.2
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded twoway v0.1.3
[INFO] [stderr]   Downloaded log v0.3.8
[INFO] [stderr]   Downloaded rocket_codegen v0.2.8
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded rocket v0.2.8
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded cookie v0.6.2
[INFO] [stderr]   Downloaded phf v0.7.21
[INFO] [stderr]   Downloaded siphasher v0.2.2
[INFO] [stderr]   Downloaded mime_guess v1.8.1
[INFO] [stderr]   Downloaded multipart v0.13.1
[INFO] [stderr]   Downloaded num-integer v0.1.34
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded num-traits v0.1.39
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded libc v0.2.24
[INFO] [stderr]   Downloaded redox_syscall v0.1.18
[INFO] [stderr]   Downloaded time v0.1.37
[INFO] [stderr]   Downloaded version_check v0.1.2
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded byteorder v1.0.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.5
[INFO] [stderr]   Downloaded httparse v1.2.3
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded url v1.5.1
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c55f2b11c7a5c6f17a233f31de1ca86ea3b7eb07b8705c1ac83a0edecc777cfd
[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" "c55f2b11c7a5c6f17a233f31de1ca86ea3b7eb07b8705c1ac83a0edecc777cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55f2b11c7a5c6f17a233f31de1ca86ea3b7eb07b8705c1ac83a0edecc777cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55f2b11c7a5c6f17a233f31de1ca86ea3b7eb07b8705c1ac83a0edecc777cfd", kill_on_drop: false }`
[INFO] [stdout] c55f2b11c7a5c6f17a233f31de1ca86ea3b7eb07b8705c1ac83a0edecc777cfd
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 209a1d0af53a4a3911e791105f8dbdd82f233982cfef024ba306ae4659bc422c
[INFO] running `Command { std: "docker" "start" "-a" "209a1d0af53a4a3911e791105f8dbdd82f233982cfef024ba306ae4659bc422c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.2
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]     Checking safemem v0.1.1
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]    Compiling state v0.2.2
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking term-painter v0.2.3
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rocket v0.2.8
[INFO] [stderr]    Compiling rocket_codegen v0.2.8
[INFO] [stderr]     Checking idna v0.1.2
[INFO] [stderr]     Checking twoway v0.1.3
[INFO] [stderr]     Checking buf_redux v0.6.1
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]    Compiling mime_guess v1.8.1
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking url v0.2.38
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "209a1d0af53a4a3911e791105f8dbdd82f233982cfef024ba306ae4659bc422c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209a1d0af53a4a3911e791105f8dbdd82f233982cfef024ba306ae4659bc422c", kill_on_drop: false }`
[INFO] [stdout] 209a1d0af53a4a3911e791105f8dbdd82f233982cfef024ba306ae4659bc422c