Dec 18 09:46:34.061 INFO checking unbase-0.0.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:46:34.061 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/unbase/0.0.2:/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 09:46:34.562 INFO [stdout] 2813757db64ace25592fb4a366237f8aebe017d1a9dac2e1bd1baf8b33bdb3e0
Dec 18 09:46:34.572 INFO running `"docker" "start" "-a" "2813757db64ace25592fb4a366237f8aebe017d1a9dac2e1bd1baf8b33bdb3e0"`
Dec 18 09:46:36.236 INFO [stderr]     Checking generic-array v0.6.0
Dec 18 09:46:36.748 INFO [stderr]     Checking digest-buffer v0.2.0
Dec 18 09:46:36.748 INFO [stderr]     Checking digest v0.4.0
Dec 18 09:46:37.144 INFO [stderr]     Checking sha2 v0.4.2
Dec 18 09:46:37.708 INFO [stderr]     Checking unbase v0.0.2 (/opt/crater/workdir)
Dec 18 09:46:41.264 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 09:46:41.264 INFO [stderr]   --> src/lib.rs:40:12
Dec 18 09:46:41.264 INFO [stderr]    |
Dec 18 09:46:41.264 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:41.264 INFO [stderr]    |            ^^^^^^^^^^
Dec 18 09:46:41.264 INFO [stderr]    |
Dec 18 09:46:41.264 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 09:46:41.264 INFO [stderr] 
Dec 18 09:46:41.264 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 09:46:41.264 INFO [stderr]   --> src/lib.rs:40:24
Dec 18 09:46:41.264 INFO [stderr]    |
Dec 18 09:46:41.264 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:41.264 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:46:41.264 INFO [stderr] 
Dec 18 09:46:41.288 INFO [stderr] warning: unused attribute
Dec 18 09:46:41.288 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 18 09:46:41.288 INFO [stderr]   |
Dec 18 09:46:41.288 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:41.288 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:46:41.288 INFO [stderr]   |
Dec 18 09:46:41.288 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 18 09:46:41.288 INFO [stderr] 
Dec 18 09:46:41.288 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 18 09:46:41.288 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 18 09:46:41.288 INFO [stderr]   |
Dec 18 09:46:41.288 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:41.288 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:46:41.288 INFO [stderr] 
Dec 18 09:46:41.316 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 09:46:41.316 INFO [stderr]   --> src/lib.rs:40:12
Dec 18 09:46:41.316 INFO [stderr]    |
Dec 18 09:46:41.316 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:41.316 INFO [stderr]    |            ^^^^^^^^^^
Dec 18 09:46:41.316 INFO [stderr]    |
Dec 18 09:46:41.316 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 09:46:41.316 INFO [stderr] 
Dec 18 09:46:41.316 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 09:46:41.316 INFO [stderr]   --> src/lib.rs:40:24
Dec 18 09:46:41.316 INFO [stderr]    |
Dec 18 09:46:41.316 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:41.316 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:46:41.316 INFO [stderr] 
Dec 18 09:46:41.336 INFO [stderr] warning: unused attribute
Dec 18 09:46:41.336 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 18 09:46:41.336 INFO [stderr]   |
Dec 18 09:46:41.336 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:41.336 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:46:41.336 INFO [stderr]   |
Dec 18 09:46:41.336 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 18 09:46:41.337 INFO [stderr] 
Dec 18 09:46:41.337 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 18 09:46:41.337 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 18 09:46:41.337 INFO [stderr]   |
Dec 18 09:46:41.337 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:41.337 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:46:41.337 INFO [stderr] 
Dec 18 09:46:43.381 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 09:46:43.381 INFO [stderr]  --> examples/ping-pong.rs:1:12
Dec 18 09:46:43.381 INFO [stderr]   |
Dec 18 09:46:43.381 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:43.381 INFO [stderr]   |            ^^^^^^^^^^
Dec 18 09:46:43.381 INFO [stderr]   |
Dec 18 09:46:43.381 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 09:46:43.381 INFO [stderr] 
Dec 18 09:46:43.382 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 09:46:43.382 INFO [stderr]  --> examples/ping-pong.rs:1:24
Dec 18 09:46:43.382 INFO [stderr]   |
Dec 18 09:46:43.382 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:43.382 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:46:43.382 INFO [stderr] 
Dec 18 09:46:45.236 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 09:46:45.236 INFO [stderr]  --> tests/eventual_consistency.rs:1:12
Dec 18 09:46:45.236 INFO [stderr]   |
Dec 18 09:46:45.236 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:45.236 INFO [stderr]   |            ^^^^^^^^^^
Dec 18 09:46:45.236 INFO [stderr]   |
Dec 18 09:46:45.237 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 09:46:45.237 INFO [stderr] 
Dec 18 09:46:45.237 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 09:46:45.237 INFO [stderr]  --> tests/eventual_consistency.rs:1:24
Dec 18 09:46:45.237 INFO [stderr]   |
Dec 18 09:46:45.237 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 18 09:46:45.237 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 09:46:45.237 INFO [stderr] 
Dec 18 09:46:45.491 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.38s
Dec 18 09:46:46.419 INFO running `"docker" "inspect" "2813757db64ace25592fb4a366237f8aebe017d1a9dac2e1bd1baf8b33bdb3e0"`
Dec 18 09:46:46.784 INFO running `"docker" "rm" "-f" "2813757db64ace25592fb4a366237f8aebe017d1a9dac2e1bd1baf8b33bdb3e0"`
Dec 18 09:46:47.169 INFO [stdout] 2813757db64ace25592fb4a366237f8aebe017d1a9dac2e1bd1baf8b33bdb3e0