[INFO] cloning repository https://github.com/sidky/comical-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sidky/comical-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidky%2Fcomical-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidky%2Fcomical-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b79c3ca1b8d824d18cf2228f0685d41df353b0a
[INFO] checking sidky/comical-backend against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidky%2Fcomical-backend" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sidky/comical-backend on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sidky/comical-backend
[INFO] finished tweaking git repo https://github.com/sidky/comical-backend
[INFO] tweaked toml for git repo https://github.com/sidky/comical-backend written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sidky/comical-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yup-oauth2 v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2089eba855e5cbd9c8dc35039b6ef35ae0c17d9005efbcfef69b00a723d3688
[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" "c2089eba855e5cbd9c8dc35039b6ef35ae0c17d9005efbcfef69b00a723d3688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2089eba855e5cbd9c8dc35039b6ef35ae0c17d9005efbcfef69b00a723d3688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2089eba855e5cbd9c8dc35039b6ef35ae0c17d9005efbcfef69b00a723d3688", kill_on_drop: false }`
[INFO] [stdout] c2089eba855e5cbd9c8dc35039b6ef35ae0c17d9005efbcfef69b00a723d3688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3972a5427015b1af1cfeaf2c9e8b0ba083f6738091f392bd8462a34a6b30c2a
[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" "c3972a5427015b1af1cfeaf2c9e8b0ba083f6738091f392bd8462a34a6b30c2a", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking unicode-bidi v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking http v0.1.5
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling mime_guess v1.8.4
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking tokio-io v0.1.6
[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-1.7.0/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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c3972a5427015b1af1cfeaf2c9e8b0ba083f6738091f392bd8462a34a6b30c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3972a5427015b1af1cfeaf2c9e8b0ba083f6738091f392bd8462a34a6b30c2a", kill_on_drop: false }`
[INFO] [stdout] c3972a5427015b1af1cfeaf2c9e8b0ba083f6738091f392bd8462a34a6b30c2a