Dec 12 04:14:41.965 INFO checking 0x7CFE/cortex against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 04:14:41.965 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 04:14:42.404 INFO [stdout] f889806fa5721998e15a623bf6b6897f2976d587894cfe1151c1422b633f4cc6
Dec 12 04:14:42.412 INFO running `"docker" "start" "-a" "f889806fa5721998e15a623bf6b6897f2976d587894cfe1151c1422b633f4cc6"`
Dec 12 04:14:43.956 INFO [stderr] usermod: no changes
Dec 12 04:14:44.232 INFO [stderr]     Checking serde v0.9.14
Dec 12 04:14:44.240 INFO [stderr]     Checking hound v3.1.0
Dec 12 04:14:44.260 INFO [stderr]    Compiling syn v0.11.10
Dec 12 04:14:44.260 INFO [stderr]     Checking dft v0.5.4
Dec 12 04:14:53.204 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Dec 12 04:14:57.573 INFO [stderr]    Compiling serde_derive v0.9.14
Dec 12 04:15:00.680 INFO [stderr]     Checking bincode v1.0.0-alpha7
Dec 12 04:15:05.333 INFO [stderr]     Checking cortex v0.1.0 (/source)
Dec 12 04:15:09.056 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 12 04:15:09.057 INFO [stderr]  --> src/main.rs:3:12
Dec 12 04:15:09.057 INFO [stderr]   |
Dec 12 04:15:09.057 INFO [stderr] 3 | #![feature(conservative_impl_trait)]
Dec 12 04:15:09.057 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:15:09.058 INFO [stderr]   |
Dec 12 04:15:09.058 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 04:15:09.058 INFO [stderr] 
Dec 12 04:15:09.060 INFO [stderr] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 12 04:15:09.060 INFO [stderr]  --> src/main.rs:2:25
Dec 12 04:15:09.060 INFO [stderr]   |
Dec 12 04:15:09.060 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 12 04:15:09.061 INFO [stderr]   |                         ^^^^^^^^^^^^^^^^^
Dec 12 04:15:09.061 INFO [stderr] 
Dec 12 04:15:09.061 INFO [stderr] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 12 04:15:09.062 INFO [stderr]  --> src/main.rs:2:12
Dec 12 04:15:09.062 INFO [stderr]   |
Dec 12 04:15:09.062 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 12 04:15:09.062 INFO [stderr]   |            ^^^^^^^^^^^
Dec 12 04:15:09.063 INFO [stderr] 
Dec 12 04:15:09.628 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 12 04:15:09.629 INFO [stderr]  --> src/main.rs:3:12
Dec 12 04:15:09.629 INFO [stderr]   |
Dec 12 04:15:09.629 INFO [stderr] 3 | #![feature(conservative_impl_trait)]
Dec 12 04:15:09.629 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 04:15:09.630 INFO [stderr]   |
Dec 12 04:15:09.630 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 04:15:09.630 INFO [stderr] 
Dec 12 04:15:09.630 INFO [stderr] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 12 04:15:09.630 INFO [stderr]  --> src/main.rs:2:25
Dec 12 04:15:09.630 INFO [stderr]   |
Dec 12 04:15:09.630 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 12 04:15:09.630 INFO [stderr]   |                         ^^^^^^^^^^^^^^^^^
Dec 12 04:15:09.630 INFO [stderr] 
Dec 12 04:15:09.630 INFO [stderr] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 12 04:15:09.630 INFO [stderr]  --> src/main.rs:2:12
Dec 12 04:15:09.630 INFO [stderr]   |
Dec 12 04:15:09.630 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 12 04:15:09.630 INFO [stderr]   |            ^^^^^^^^^^^
Dec 12 04:15:09.630 INFO [stderr] 
Dec 12 04:15:09.705 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.71s
Dec 12 04:15:09.712 INFO [stderr] su: No module specific data is present
Dec 12 04:15:10.638 INFO running `"docker" "inspect" "f889806fa5721998e15a623bf6b6897f2976d587894cfe1151c1422b633f4cc6"`
Dec 12 04:15:10.984 INFO running `"docker" "rm" "-f" "f889806fa5721998e15a623bf6b6897f2976d587894cfe1151c1422b633f4cc6"`
Dec 12 04:15:11.324 INFO [stdout] f889806fa5721998e15a623bf6b6897f2976d587894cfe1151c1422b633f4cc6