Dec 18 16:14:17.085 INFO checking generator-0.6.10 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:14:17.085 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/generator/0.6.10:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:14:17.261 INFO [stdout] ccb85cfa17385bff8d129f6f1fc2ac0f500f0dfd498c9331f95ae1e6343abcaa
Dec 18 16:14:17.266 INFO running `"docker" "start" "-a" "ccb85cfa17385bff8d129f6f1fc2ac0f500f0dfd498c9331f95ae1e6343abcaa"`
Dec 18 16:14:18.281 INFO [stderr]    Compiling generator v0.6.10 (/opt/crater/workdir)
Dec 18 16:14:21.268 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 16:14:21.268 INFO [stderr]  --> examples/pipe.rs:2:1
Dec 18 16:14:21.268 INFO [stderr]   |
Dec 18 16:14:21.268 INFO [stderr] 2 | #[macro_use]
Dec 18 16:14:21.268 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 16:14:21.268 INFO [stderr]   |
Dec 18 16:14:21.268 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:14:21.268 INFO [stderr] 
Dec 18 16:14:21.896 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 16:14:21.896 INFO [stderr]  --> tests/lib.rs:1:1
Dec 18 16:14:21.896 INFO [stderr]   |
Dec 18 16:14:21.896 INFO [stderr] 1 | #[macro_use]
Dec 18 16:14:21.896 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 16:14:21.908 INFO [stderr]   |
Dec 18 16:14:21.908 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:14:21.908 INFO [stderr] 
Dec 18 16:14:21.948 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 16:14:21.948 INFO [stderr]  --> examples/number.rs:1:1
Dec 18 16:14:21.948 INFO [stderr]   |
Dec 18 16:14:21.948 INFO [stderr] 1 | #[macro_use]
Dec 18 16:14:21.948 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 16:14:21.948 INFO [stderr]   |
Dec 18 16:14:21.948 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:14:21.948 INFO [stderr] 
Dec 18 16:14:21.964 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 16:14:21.964 INFO [stderr]  --> examples/yield_from.rs:1:1
Dec 18 16:14:21.964 INFO [stderr]   |
Dec 18 16:14:21.964 INFO [stderr] 1 | #[macro_use]
Dec 18 16:14:21.964 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 16:14:21.964 INFO [stderr]   |
Dec 18 16:14:21.964 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:14:21.964 INFO [stderr] 
Dec 18 16:14:22.277 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
Dec 18 16:14:23.163 INFO running `"docker" "inspect" "ccb85cfa17385bff8d129f6f1fc2ac0f500f0dfd498c9331f95ae1e6343abcaa"`
Dec 18 16:14:23.380 INFO running `"docker" "rm" "-f" "ccb85cfa17385bff8d129f6f1fc2ac0f500f0dfd498c9331f95ae1e6343abcaa"`
Dec 18 16:14:23.557 INFO [stdout] ccb85cfa17385bff8d129f6f1fc2ac0f500f0dfd498c9331f95ae1e6343abcaa