Dec 12 14:38:18.601 INFO checking generator-0.6.10 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 14:38:18.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 14:38:19.080 INFO [stdout] fb9aff9adda2889c8bfe9048cb6bb3909e6f10fa475e3cb17035f378be94da29
Dec 12 14:38:19.083 INFO running `"docker" "start" "-a" "fb9aff9adda2889c8bfe9048cb6bb3909e6f10fa475e3cb17035f378be94da29"`
Dec 12 14:38:20.105 INFO [stderr] usermod: no changes
Dec 12 14:38:20.162 INFO [stderr]    Compiling generator v0.6.10 (/source)
Dec 12 14:38:26.740 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 14:38:26.740 INFO [stderr]  --> examples/yield_from.rs:1:1
Dec 12 14:38:26.740 INFO [stderr]   |
Dec 12 14:38:26.740 INFO [stderr] 1 | #[macro_use]
Dec 12 14:38:26.740 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 14:38:26.740 INFO [stderr]   |
Dec 12 14:38:26.740 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:38:26.740 INFO [stderr] 
Dec 12 14:38:26.948 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 14:38:26.948 INFO [stderr]  --> examples/pipe.rs:2:1
Dec 12 14:38:26.948 INFO [stderr]   |
Dec 12 14:38:26.948 INFO [stderr] 2 | #[macro_use]
Dec 12 14:38:26.948 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 14:38:26.948 INFO [stderr]   |
Dec 12 14:38:26.948 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:38:26.948 INFO [stderr] 
Dec 12 14:38:27.776 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 14:38:27.776 INFO [stderr]  --> tests/lib.rs:1:1
Dec 12 14:38:27.776 INFO [stderr]   |
Dec 12 14:38:27.776 INFO [stderr] 1 | #[macro_use]
Dec 12 14:38:27.776 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 14:38:27.776 INFO [stderr]   |
Dec 12 14:38:27.776 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:38:27.776 INFO [stderr] 
Dec 12 14:38:27.796 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 14:38:27.796 INFO [stderr]  --> examples/number.rs:1:1
Dec 12 14:38:27.796 INFO [stderr]   |
Dec 12 14:38:27.796 INFO [stderr] 1 | #[macro_use]
Dec 12 14:38:27.796 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 14:38:27.796 INFO [stderr]   |
Dec 12 14:38:27.796 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 14:38:27.796 INFO [stderr] 
Dec 12 14:38:28.154 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.03s
Dec 12 14:38:28.160 INFO [stderr] su: No module specific data is present
Dec 12 14:38:28.890 INFO running `"docker" "inspect" "fb9aff9adda2889c8bfe9048cb6bb3909e6f10fa475e3cb17035f378be94da29"`
Dec 12 14:38:29.235 INFO running `"docker" "rm" "-f" "fb9aff9adda2889c8bfe9048cb6bb3909e6f10fa475e3cb17035f378be94da29"`
Dec 12 14:38:29.632 INFO [stdout] fb9aff9adda2889c8bfe9048cb6bb3909e6f10fa475e3cb17035f378be94da29