[INFO] crate imgui-ext 0.3.0 is already in cache
[INFO] checking imgui-ext-0.3.0 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate imgui-ext 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate imgui-ext 0.3.0 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate imgui-ext 0.3.0
[INFO] finished tweaking crates.io crate imgui-ext 0.3.0
[INFO] tweaked toml for crates.io crate imgui-ext 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate imgui-ext 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 04e072e3354e8d096848f360e976aed0a46edcc1b8badd8cb108c368eaefb1ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "04e072e3354e8d096848f360e976aed0a46edcc1b8badd8cb108c368eaefb1ad"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.0
[INFO] [stderr]    Compiling syn v1.0.1
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]    Compiling imgui-sys v0.0.22
[INFO] [stderr]    Compiling imgui-sys v0.1.0
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking typenum v1.10.0
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling gl_generator v0.13.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr] error[E0518]: attribute should be applied to function or closure
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xml-rs-0.7.0/src/writer/emitter.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | / bitflags!(
[INFO] [stderr] 136 | |     struct IndentFlags: u8 {
[INFO] [stderr] 137 | |         const WROTE_NOTHING = 0;
[INFO] [stderr] 138 | |         const WROTE_MARKUP  = 1;
[INFO] [stderr] 139 | |         const WROTE_TEXT    = 2;
[INFO] [stderr] 140 | |     }
[INFO] [stderr] 141 | | );
[INFO] [stderr]     | |__^ not a function or closure
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0518]: attribute should be applied to function or closure
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xml-rs-0.7.0/src/writer/emitter.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | / bitflags!(
[INFO] [stderr] 136 | |     struct IndentFlags: u8 {
[INFO] [stderr] 137 | |         const WROTE_NOTHING = 0;
[INFO] [stderr] 138 | |         const WROTE_MARKUP  = 1;
[INFO] [stderr] 139 | |         const WROTE_TEXT    = 2;
[INFO] [stderr] 140 | |     }
[INFO] [stderr] 141 | | );
[INFO] [stderr]     | |__^ not a function or closure
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0518]: attribute should be applied to function or closure
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xml-rs-0.7.0/src/writer/emitter.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | / bitflags!(
[INFO] [stderr] 136 | |     struct IndentFlags: u8 {
[INFO] [stderr] 137 | |         const WROTE_NOTHING = 0;
[INFO] [stderr] 138 | |         const WROTE_MARKUP  = 1;
[INFO] [stderr] 139 | |         const WROTE_TEXT    = 2;
[INFO] [stderr] 140 | |     }
[INFO] [stderr] 141 | | );
[INFO] [stderr]     | |__^ not a function or closure
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0518]: attribute should be applied to function or closure
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/xml-rs-0.7.0/src/writer/emitter.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | / bitflags!(
[INFO] [stderr] 136 | |     struct IndentFlags: u8 {
[INFO] [stderr] 137 | |         const WROTE_NOTHING = 0;
[INFO] [stderr] 138 | |         const WROTE_MARKUP  = 1;
[INFO] [stderr] 139 | |         const WROTE_TEXT    = 2;
[INFO] [stderr] 140 | |     }
[INFO] [stderr] 141 | | );
[INFO] [stderr]     | |__^ not a function or closure
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0518`.
[INFO] [stderr] error: could not compile `xml-rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "04e072e3354e8d096848f360e976aed0a46edcc1b8badd8cb108c368eaefb1ad"`
[INFO] running `"docker" "rm" "-f" "04e072e3354e8d096848f360e976aed0a46edcc1b8badd8cb108c368eaefb1ad"`
[INFO] [stdout] 04e072e3354e8d096848f360e976aed0a46edcc1b8badd8cb108c368eaefb1ad