[INFO] cloning repository https://github.com/robot-head/led_dash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robot-head/led_dash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobot-head%2Fled_dash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobot-head%2Fled_dash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d6066796182b919cddbabb9f7a854ac1eefab0b
[INFO] checking robot-head/led_dash against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobot-head%2Fled_dash" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robot-head/led_dash on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robot-head/led_dash
[INFO] finished tweaking git repo https://github.com/robot-head/led_dash
[INFO] tweaked toml for git repo https://github.com/robot-head/led_dash written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/robot-head/led_dash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] [stderr]   Downloaded gzip-header v0.1.2
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded buf_redux v0.6.3
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded multipart v0.13.6
[INFO] [stderr]   Downloaded rouille v2.1.0
[INFO] [stderr]   Downloaded base64 v0.7.0
[INFO] [stderr]   Downloaded filetime v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17c501cdd6a5c7987ba20d432bfbcf8a85993e25e1e8fb8b4aa3c7efc5d4216b
[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" "17c501cdd6a5c7987ba20d432bfbcf8a85993e25e1e8fb8b4aa3c7efc5d4216b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c501cdd6a5c7987ba20d432bfbcf8a85993e25e1e8fb8b4aa3c7efc5d4216b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c501cdd6a5c7987ba20d432bfbcf8a85993e25e1e8fb8b4aa3c7efc5d4216b", kill_on_drop: false }`
[INFO] [stdout] 17c501cdd6a5c7987ba20d432bfbcf8a85993e25e1e8fb8b4aa3c7efc5d4216b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d20bb0834c63c623519aa9d5bba93e5712fc308f5b918351abead144a55515
[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" "e3d20bb0834c63c623519aa9d5bba93e5712fc308f5b918351abead144a55515", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling brotli-sys v0.2.1
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking gzip-header v0.1.2
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling mime_guess v1.8.4
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking tiny_http v0.5.9
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking multipart v0.13.6
[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" "e3d20bb0834c63c623519aa9d5bba93e5712fc308f5b918351abead144a55515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d20bb0834c63c623519aa9d5bba93e5712fc308f5b918351abead144a55515", kill_on_drop: false }`
[INFO] [stdout] e3d20bb0834c63c623519aa9d5bba93e5712fc308f5b918351abead144a55515
