Dec 17 14:13:46.913 INFO checking syntheticsh/rust_macro_play against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 14:13:46.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/syntheticsh/rust_macro_play:/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 17 14:13:47.313 INFO [stdout] 54fb65e3606ce6136d52942438c1c69cf68c0bc28d859004448271a5d924af3b
Dec 17 14:13:47.316 INFO running `"docker" "start" "-a" "54fb65e3606ce6136d52942438c1c69cf68c0bc28d859004448271a5d924af3b"`
Dec 17 14:13:50.237 INFO [stderr]    Compiling proc-macro2 v0.4.20
Dec 17 14:13:50.237 INFO [stderr]     Checking play_macro v0.1.0 (/opt/crater/workdir/play_macro)
Dec 17 14:13:54.350 INFO [stderr]    Compiling quote v0.6.9
Dec 17 14:13:55.297 INFO [stderr]    Compiling syn v0.15.18
Dec 17 14:14:04.245 INFO [stderr]    Compiling play_macro_derive v0.1.0 (/opt/crater/workdir/play_macro/play_macro_derive)
Dec 17 14:14:04.536 INFO [stderr] warning: the feature `extern_crate_item_prelude` has been stable since 1.31.0 and no longer requires an attribute to enable
Dec 17 14:14:04.536 INFO [stderr]  --> play_macro/play_macro_derive/src/lib.rs:1:12
Dec 17 14:14:04.536 INFO [stderr]   |
Dec 17 14:14:04.536 INFO [stderr] 1 | #![feature(extern_crate_item_prelude)]
Dec 17 14:14:04.536 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:14:04.536 INFO [stderr]   |
Dec 17 14:14:04.536 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 14:14:04.536 INFO [stderr] 
Dec 17 14:14:05.632 INFO [stderr]     Checking macro_play v0.1.0 (/opt/crater/workdir)
Dec 17 14:14:05.838 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.66s
Dec 17 14:14:06.511 INFO running `"docker" "inspect" "54fb65e3606ce6136d52942438c1c69cf68c0bc28d859004448271a5d924af3b"`
Dec 17 14:14:06.798 INFO running `"docker" "rm" "-f" "54fb65e3606ce6136d52942438c1c69cf68c0bc28d859004448271a5d924af3b"`
Dec 17 14:14:07.020 INFO [stdout] 54fb65e3606ce6136d52942438c1c69cf68c0bc28d859004448271a5d924af3b