Dec 18 10:19:31.597 INFO checking thread_spawn-0.4.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:19:31.597 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/thread_spawn/0.4.0:/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 10:19:31.751 INFO [stdout] 4b242972e32a1085079b06203881c0f01ac2d75610f06a09e71d28d4324c80fa
Dec 18 10:19:31.752 INFO running `"docker" "start" "-a" "4b242972e32a1085079b06203881c0f01ac2d75610f06a09e71d28d4324c80fa"`
Dec 18 10:19:32.242 INFO [stderr]     Checking syn v0.14.9
Dec 18 10:19:32.242 INFO [stderr]     Checking compiletest_rs v0.3.17
Dec 18 10:19:39.216 INFO [stderr]     Checking thread_spawn v0.4.0 (/opt/crater/workdir)
Dec 18 10:19:39.543 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 10:19:39.543 INFO [stderr]  --> src/lib.rs:1:12
Dec 18 10:19:39.543 INFO [stderr]   |
Dec 18 10:19:39.544 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 18 10:19:39.544 INFO [stderr]   |            ^^^^^^^^^^
Dec 18 10:19:39.544 INFO [stderr]   |
Dec 18 10:19:39.544 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 10:19:39.544 INFO [stderr] 
Dec 18 10:19:39.576 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 10:19:39.576 INFO [stderr]  --> src/lib.rs:1:12
Dec 18 10:19:39.576 INFO [stderr]   |
Dec 18 10:19:39.576 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 18 10:19:39.576 INFO [stderr]   |            ^^^^^^^^^^
Dec 18 10:19:39.576 INFO [stderr]   |
Dec 18 10:19:39.576 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 10:19:39.576 INFO [stderr] 
Dec 18 10:19:39.592 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.40s
Dec 18 10:19:39.831 INFO running `"docker" "inspect" "4b242972e32a1085079b06203881c0f01ac2d75610f06a09e71d28d4324c80fa"`
Dec 18 10:19:39.945 INFO running `"docker" "rm" "-f" "4b242972e32a1085079b06203881c0f01ac2d75610f06a09e71d28d4324c80fa"`
Dec 18 10:19:40.169 INFO [stdout] 4b242972e32a1085079b06203881c0f01ac2d75610f06a09e71d28d4324c80fa