Dec 19 07:41:23.869 INFO checking syntheticsh/rust_macro_play against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:41:23.869 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:41:24.429 INFO [stdout] 54abd6970c09b4444d78c071fe2a60294d2c015c92d8d787567524116700793d
Dec 19 07:41:24.431 INFO running `"docker" "start" "-a" "54abd6970c09b4444d78c071fe2a60294d2c015c92d8d787567524116700793d"`
Dec 19 07:41:26.462 INFO [stderr]    Compiling proc-macro2 v0.4.20
Dec 19 07:41:26.466 INFO [stderr]     Checking play_macro v0.1.0 (/opt/crater/workdir/play_macro)
Dec 19 07:41:30.140 INFO [stderr]    Compiling quote v0.6.9
Dec 19 07:41:31.170 INFO [stderr]    Compiling syn v0.15.18
Dec 19 07:41:40.693 INFO [stderr]    Compiling play_macro_derive v0.1.0 (/opt/crater/workdir/play_macro/play_macro_derive)
Dec 19 07:41:40.972 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 19 07:41:40.972 INFO [stderr]  --> play_macro/play_macro_derive/src/lib.rs:1:12
Dec 19 07:41:40.973 INFO [stderr]   |
Dec 19 07:41:40.973 INFO [stderr] 1 | #![feature(extern_crate_item_prelude)]
Dec 19 07:41:40.973 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:41:40.973 INFO [stderr]   |
Dec 19 07:41:40.973 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 07:41:40.973 INFO [stderr] 
Dec 19 07:41:42.192 INFO [stderr]     Checking macro_play v0.1.0 (/opt/crater/workdir)
Dec 19 07:41:42.605 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.21s
Dec 19 07:41:44.289 INFO running `"docker" "inspect" "54abd6970c09b4444d78c071fe2a60294d2c015c92d8d787567524116700793d"`
Dec 19 07:41:44.656 INFO running `"docker" "rm" "-f" "54abd6970c09b4444d78c071fe2a60294d2c015c92d8d787567524116700793d"`
Dec 19 07:41:44.964 INFO [stdout] 54abd6970c09b4444d78c071fe2a60294d2c015c92d8d787567524116700793d