Dec 18 08:49:10.181 INFO checking 0x7CFE/cortex against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:49:10.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/0x7CFE/cortex:/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 08:49:10.680 INFO [stdout] e6cebd21826be7b36136640bee0c196d0ec80ad33446fc114310aef2de4f8c35
Dec 18 08:49:10.682 INFO running `"docker" "start" "-a" "e6cebd21826be7b36136640bee0c196d0ec80ad33446fc114310aef2de4f8c35"`
Dec 18 08:49:12.196 INFO [stderr]     Checking serde v0.9.14
Dec 18 08:49:12.198 INFO [stderr]     Checking num-complex v0.1.37
Dec 18 08:49:12.198 INFO [stderr]     Checking itertools v0.5.10
Dec 18 08:49:12.198 INFO [stderr]    Compiling serde_derive v0.9.14
Dec 18 08:49:15.088 INFO [stderr]     Checking dft v0.5.4
Dec 18 08:49:27.106 INFO [stderr]     Checking bincode v1.0.0-alpha7
Dec 18 08:49:27.840 INFO [stderr]     Checking cortex v0.1.0 (/opt/crater/workdir)
Dec 18 08:49:29.936 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 08:49:29.936 INFO [stderr]  --> src/main.rs:3:12
Dec 18 08:49:29.936 INFO [stderr]   |
Dec 18 08:49:29.936 INFO [stderr] 3 | #![feature(conservative_impl_trait)]
Dec 18 08:49:29.936 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:49:29.936 INFO [stderr]   |
Dec 18 08:49:29.936 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 08:49:29.936 INFO [stderr] 
Dec 18 08:49:29.936 INFO [stderr] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 18 08:49:29.936 INFO [stderr]  --> src/main.rs:2:25
Dec 18 08:49:29.936 INFO [stderr]   |
Dec 18 08:49:29.936 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 18 08:49:29.936 INFO [stderr]   |                         ^^^^^^^^^^^^^^^^^
Dec 18 08:49:29.936 INFO [stderr] 
Dec 18 08:49:29.936 INFO [stderr] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 18 08:49:29.936 INFO [stderr]  --> src/main.rs:2:12
Dec 18 08:49:29.936 INFO [stderr]   |
Dec 18 08:49:29.936 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 18 08:49:29.936 INFO [stderr]   |            ^^^^^^^^^^^
Dec 18 08:49:29.938 INFO [stderr] 
Dec 18 08:49:30.113 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 08:49:30.113 INFO [stderr]  --> src/main.rs:3:12
Dec 18 08:49:30.113 INFO [stderr]   |
Dec 18 08:49:30.113 INFO [stderr] 3 | #![feature(conservative_impl_trait)]
Dec 18 08:49:30.113 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:49:30.113 INFO [stderr]   |
Dec 18 08:49:30.113 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 08:49:30.113 INFO [stderr] 
Dec 18 08:49:30.113 INFO [stderr] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 18 08:49:30.113 INFO [stderr]  --> src/main.rs:2:25
Dec 18 08:49:30.113 INFO [stderr]   |
Dec 18 08:49:30.113 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 18 08:49:30.113 INFO [stderr]   |                         ^^^^^^^^^^^^^^^^^
Dec 18 08:49:30.113 INFO [stderr] 
Dec 18 08:49:30.113 INFO [stderr] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 18 08:49:30.113 INFO [stderr]  --> src/main.rs:2:12
Dec 18 08:49:30.113 INFO [stderr]   |
Dec 18 08:49:30.113 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 18 08:49:30.113 INFO [stderr]   |            ^^^^^^^^^^^
Dec 18 08:49:30.113 INFO [stderr] 
Dec 18 08:49:30.172 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.14s
Dec 18 08:49:31.087 INFO running `"docker" "inspect" "e6cebd21826be7b36136640bee0c196d0ec80ad33446fc114310aef2de4f8c35"`
Dec 18 08:49:31.416 INFO running `"docker" "rm" "-f" "e6cebd21826be7b36136640bee0c196d0ec80ad33446fc114310aef2de4f8c35"`
Dec 18 08:49:31.796 INFO [stdout] e6cebd21826be7b36136640bee0c196d0ec80ad33446fc114310aef2de4f8c35