[INFO] fetching crate imgui-ext-derive 0.1.8...
[INFO] extracting crate imgui-ext-derive 0.1.8 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/imgui-ext-derive/0.1.8
[INFO] extracting crate imgui-ext-derive 0.1.8 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/imgui-ext-derive/0.1.8
[INFO] validating manifest of imgui-ext-derive-0.1.8 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of imgui-ext-derive-0.1.8 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing imgui-ext-derive-0.1.8
[INFO] finished frobbing imgui-ext-derive-0.1.8
[INFO] frobbed toml for imgui-ext-derive-0.1.8 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/imgui-ext-derive/0.1.8/Cargo.toml
[INFO] started frobbing imgui-ext-derive-0.1.8
[INFO] finished frobbing imgui-ext-derive-0.1.8
[INFO] frobbed toml for imgui-ext-derive-0.1.8 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/imgui-ext-derive/0.1.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing imgui-ext-derive-0.1.8 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/imgui-ext-derive/0.1.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] a46e5435175606450426cbad1e6eb079a793c749c73f7cb9d150ce121e5f26dc
[INFO] running `"docker" "start" "-a" "a46e5435175606450426cbad1e6eb079a793c749c73f7cb9d150ce121e5f26dc"`
[INFO] [stderr]    Compiling imgui-ext-derive v0.1.8 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:520:21
[INFO] [stderr]     |
[INFO] [stderr] 520 |         .flat_map(|(i, field)| {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `"docker" "inspect" "a46e5435175606450426cbad1e6eb079a793c749c73f7cb9d150ce121e5f26dc"`
[INFO] running `"docker" "rm" "-f" "a46e5435175606450426cbad1e6eb079a793c749c73f7cb9d150ce121e5f26dc"`
[INFO] [stdout] a46e5435175606450426cbad1e6eb079a793c749c73f7cb9d150ce121e5f26dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/imgui-ext-derive/0.1.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8c29384496313d5bc372c49728ef14237ca8ddff31bfe0ba033f8d827be9996c
[INFO] running `"docker" "start" "-a" "8c29384496313d5bc372c49728ef14237ca8ddff31bfe0ba033f8d827be9996c"`
[INFO] [stderr]    Compiling imgui-ext-derive v0.1.8 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:520:21
[INFO] [stderr]     |
[INFO] [stderr] 520 |         .flat_map(|(i, field)| {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "8c29384496313d5bc372c49728ef14237ca8ddff31bfe0ba033f8d827be9996c"`
[INFO] running `"docker" "rm" "-f" "8c29384496313d5bc372c49728ef14237ca8ddff31bfe0ba033f8d827be9996c"`
[INFO] [stdout] 8c29384496313d5bc372c49728ef14237ca8ddff31bfe0ba033f8d827be9996c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/imgui-ext-derive/0.1.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] dfc59e6d3bdf542fff4167d9e18c2bc39b48120f1ebe91461cafbd19e29559bc
[INFO] running `"docker" "start" "-a" "dfc59e6d3bdf542fff4167d9e18c2bc39b48120f1ebe91461cafbd19e29559bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/imgui_ext_derive-5fb255204d7ebb8f
[INFO] [stderr]    Doc-tests imgui-ext-derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - struct_body (line 499) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - struct_body (line 499) stdout ----
[INFO] [stdout] error[E0658]: The attribute `imgui` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/lib.rs:501:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     #[imgui(drag(...))]
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout]   = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: The attribute `imgui` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/lib.rs:505:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[imgui(separator)]
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout]   = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: The attribute `imgui` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]  --> src/lib.rs:506:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     #[imgui(slider(...))]
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout]   = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: The attribute `imgui` is currently unknown to the compiler and may have meaning added to it in the future
[INFO] [stdout]   --> src/lib.rs:507:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[imgui(input(...))]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see https://github.com/rust-lang/rust/issues/29642
[INFO] [stdout]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - struct_body (line 499)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "dfc59e6d3bdf542fff4167d9e18c2bc39b48120f1ebe91461cafbd19e29559bc"`
[INFO] running `"docker" "rm" "-f" "dfc59e6d3bdf542fff4167d9e18c2bc39b48120f1ebe91461cafbd19e29559bc"`
[INFO] [stdout] dfc59e6d3bdf542fff4167d9e18c2bc39b48120f1ebe91461cafbd19e29559bc