Dec 18 10:18:28.832 INFO checking thunder-0.3.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:18:28.832 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/thunder/0.3.1:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 10:18:29.254 INFO [stdout] 58e3123228f6d2ae44901baf8cd3ab39dede12c3076cea04769739ba5e702da3
Dec 18 10:18:29.255 INFO running `"docker" "start" "-a" "58e3123228f6d2ae44901baf8cd3ab39dede12c3076cea04769739ba5e702da3"`
Dec 18 10:18:30.516 INFO [stderr]     Checking syn v0.12.15
Dec 18 10:18:30.516 INFO [stderr]    Compiling thunder v0.3.1 (/opt/crater/workdir)
Dec 18 10:18:31.667 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 10:18:31.667 INFO [stderr]  --> src/lib.rs:4:12
Dec 18 10:18:31.667 INFO [stderr]   |
Dec 18 10:18:31.667 INFO [stderr] 4 | #![feature(proc_macro, proc_macro_lib)]
Dec 18 10:18:31.667 INFO [stderr]   |            ^^^^^^^^^^
Dec 18 10:18:31.667 INFO [stderr]   |
Dec 18 10:18:31.667 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 10:18:31.667 INFO [stderr] 
Dec 18 10:18:31.667 INFO [stderr] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
Dec 18 10:18:31.667 INFO [stderr]  --> src/lib.rs:4:24
Dec 18 10:18:31.667 INFO [stderr]   |
Dec 18 10:18:31.667 INFO [stderr] 4 | #![feature(proc_macro, proc_macro_lib)]
Dec 18 10:18:31.667 INFO [stderr]   |                        ^^^^^^^^^^^^^^
Dec 18 10:18:31.667 INFO [stderr] 
Dec 18 10:18:42.828 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 10:18:42.828 INFO [stderr]  --> src/lib.rs:4:12
Dec 18 10:18:42.828 INFO [stderr]   |
Dec 18 10:18:42.828 INFO [stderr] 4 | #![feature(proc_macro, proc_macro_lib)]
Dec 18 10:18:42.828 INFO [stderr]   |            ^^^^^^^^^^
Dec 18 10:18:42.828 INFO [stderr]   |
Dec 18 10:18:42.828 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 10:18:42.828 INFO [stderr] 
Dec 18 10:18:42.828 INFO [stderr] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
Dec 18 10:18:42.828 INFO [stderr]  --> src/lib.rs:4:24
Dec 18 10:18:42.828 INFO [stderr]   |
Dec 18 10:18:42.828 INFO [stderr] 4 | #![feature(proc_macro, proc_macro_lib)]
Dec 18 10:18:42.828 INFO [stderr]   |                        ^^^^^^^^^^^^^^
Dec 18 10:18:42.828 INFO [stderr] 
Dec 18 10:18:43.028 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 10:18:43.028 INFO [stderr]  --> examples/thor.rs:2:12
Dec 18 10:18:43.028 INFO [stderr]   |
Dec 18 10:18:43.028 INFO [stderr] 2 | #![feature(proc_macro)]
Dec 18 10:18:43.029 INFO [stderr]   |            ^^^^^^^^^^
Dec 18 10:18:43.029 INFO [stderr]   |
Dec 18 10:18:43.029 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 10:18:43.029 INFO [stderr] 
Dec 18 10:18:43.356 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 10:18:43.356 INFO [stderr]  --> src/lib.rs:4:12
Dec 18 10:18:43.356 INFO [stderr]   |
Dec 18 10:18:43.356 INFO [stderr] 4 | #![feature(proc_macro, proc_macro_lib)]
Dec 18 10:18:43.356 INFO [stderr]   |            ^^^^^^^^^^
Dec 18 10:18:43.356 INFO [stderr]   |
Dec 18 10:18:43.356 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 10:18:43.356 INFO [stderr] 
Dec 18 10:18:43.356 INFO [stderr] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable
Dec 18 10:18:43.356 INFO [stderr]  --> src/lib.rs:4:24
Dec 18 10:18:43.356 INFO [stderr]   |
Dec 18 10:18:43.356 INFO [stderr] 4 | #![feature(proc_macro, proc_macro_lib)]
Dec 18 10:18:43.356 INFO [stderr]   |                        ^^^^^^^^^^^^^^
Dec 18 10:18:43.356 INFO [stderr] 
Dec 18 10:18:43.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.99s
Dec 18 10:18:44.460 INFO running `"docker" "inspect" "58e3123228f6d2ae44901baf8cd3ab39dede12c3076cea04769739ba5e702da3"`
Dec 18 10:18:44.844 INFO running `"docker" "rm" "-f" "58e3123228f6d2ae44901baf8cd3ab39dede12c3076cea04769739ba5e702da3"`
Dec 18 10:18:45.156 INFO [stdout] 58e3123228f6d2ae44901baf8cd3ab39dede12c3076cea04769739ba5e702da3