[INFO] cloning repository https://github.com/planet0104/webcam_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/planet0104/webcam_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet0104%2Fwebcam_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet0104%2Fwebcam_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 511f03174052d6cd33de2a12e70c4f4659404c99
[INFO] checking planet0104/webcam_demo against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet0104%2Fwebcam_demo" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/planet0104/webcam_demo 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/planet0104/webcam_demo
[INFO] finished tweaking git repo https://github.com/planet0104/webcam_demo
[INFO] tweaked toml for git repo https://github.com/planet0104/webcam_demo written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/planet0104/webcam_demo 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 rscam v0.5.3
[INFO] [stderr]   Downloaded x264-sys v0.1.0
[INFO] [stderr]   Downloaded bindgen v0.23.1
[INFO] [stderr]   Downloaded clang-sys v0.15.2
[INFO] [stderr]   Downloaded clap v2.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] dd35f1e26afc7bbb0bea49c0807a82171a18e739284e74a468f2bd870d048ecd
[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" "dd35f1e26afc7bbb0bea49c0807a82171a18e739284e74a468f2bd870d048ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd35f1e26afc7bbb0bea49c0807a82171a18e739284e74a468f2bd870d048ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd35f1e26afc7bbb0bea49c0807a82171a18e739284e74a468f2bd870d048ecd", kill_on_drop: false }`
[INFO] [stdout] dd35f1e26afc7bbb0bea49c0807a82171a18e739284e74a468f2bd870d048ecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a6eae7ba66b814b52b439b22e1881a9bbaae2d98cd44ed4bde9b171f8f40ac5a
[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" "a6eae7ba66b814b52b439b22e1881a9bbaae2d98cd44ed4bde9b171f8f40ac5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking sequence_trie v0.2.1
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]    Compiling syntex_pos v0.58.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]     Checking rscam v0.5.3
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling clang-sys v0.15.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling syntex_errors v0.58.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling clap v2.28.0
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling syntex_syntax v0.58.1
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]    Compiling cexpr v0.2.2
[INFO] [stdout] error[E0423]: expected function, tuple struct or tuple variant, found struct `ast::Name`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.58.1/src/symbol.rs:146:27
[INFO] [stdout]     |
[INFO] [stdout] 146 |                       name: ast::Name($index),
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 | / declare_keywords! {
[INFO] [stdout] 166 | |     // Invalid identifier
[INFO] [stdout] 167 | |     (0,  Invalid,        "")
[INFO] [stdout] 168 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 231 | |     (56, CrateRoot, "{{root}}")
[INFO] [stdout] 232 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[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] [stderr]    Compiling env_logger v0.4.3
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a6eae7ba66b814b52b439b22e1881a9bbaae2d98cd44ed4bde9b171f8f40ac5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6eae7ba66b814b52b439b22e1881a9bbaae2d98cd44ed4bde9b171f8f40ac5a", kill_on_drop: false }`
[INFO] [stdout] a6eae7ba66b814b52b439b22e1881a9bbaae2d98cd44ed4bde9b171f8f40ac5a