Dec 05 04:55:29.258 INFO checking unbase-0.0.2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 04:55:29.258 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 04:55:29.563 INFO [stdout] 8ca298333c7980486d9bf869eb27f8a91610c17210713f7b23a242382c46b531
Dec 05 04:55:29.565 INFO running `"docker" "start" "-a" "8ca298333c7980486d9bf869eb27f8a91610c17210713f7b23a242382c46b531"`
Dec 05 04:55:30.279 INFO [stderr] usermod: no changes
Dec 05 04:55:30.386 INFO [stderr]     Checking generic-array v0.6.0
Dec 05 04:55:30.388 INFO [stderr]    Compiling syn v0.14.9
Dec 05 04:55:30.388 INFO [stderr]     Checking serde_json v0.9.10
Dec 05 04:55:30.689 INFO [stderr]     Checking digest v0.4.0
Dec 05 04:55:30.689 INFO [stderr]     Checking digest-buffer v0.2.0
Dec 05 04:55:30.931 INFO [stderr]     Checking sha2 v0.4.2
Dec 05 04:55:44.542 INFO [stderr]    Compiling futures-await-async-macro v0.1.4
Dec 05 04:55:50.563 INFO [stderr]     Checking futures-await v0.1.1
Dec 05 04:55:51.090 INFO [stderr]     Checking unbase v0.0.2 (/source)
Dec 05 04:55:54.404 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 05 04:55:54.404 INFO [stderr]   --> src/lib.rs:40:12
Dec 05 04:55:54.404 INFO [stderr]    |
Dec 05 04:55:54.404 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:54.404 INFO [stderr]    |            ^^^^^^^^^^
Dec 05 04:55:54.404 INFO [stderr]    |
Dec 05 04:55:54.404 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 04:55:54.404 INFO [stderr] 
Dec 05 04:55:54.404 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 04:55:54.404 INFO [stderr]   --> src/lib.rs:40:24
Dec 05 04:55:54.404 INFO [stderr]    |
Dec 05 04:55:54.404 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:54.404 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:54.404 INFO [stderr] 
Dec 05 04:55:54.404 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 05 04:55:54.404 INFO [stderr]   --> src/lib.rs:40:12
Dec 05 04:55:54.404 INFO [stderr]    |
Dec 05 04:55:54.404 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:54.404 INFO [stderr]    |            ^^^^^^^^^^
Dec 05 04:55:54.404 INFO [stderr]    |
Dec 05 04:55:54.404 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 04:55:54.404 INFO [stderr] 
Dec 05 04:55:54.404 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 04:55:54.404 INFO [stderr]   --> src/lib.rs:40:24
Dec 05 04:55:54.404 INFO [stderr]    |
Dec 05 04:55:54.404 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:54.404 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:54.404 INFO [stderr] 
Dec 05 04:55:54.404 INFO [stderr] warning: unused attribute
Dec 05 04:55:54.404 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 05 04:55:54.404 INFO [stderr]   |
Dec 05 04:55:54.404 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:54.404 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:54.404 INFO [stderr]   |
Dec 05 04:55:54.404 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 05 04:55:54.404 INFO [stderr] 
Dec 05 04:55:54.404 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 05 04:55:54.404 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 05 04:55:54.404 INFO [stderr]   |
Dec 05 04:55:54.404 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:54.404 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:54.404 INFO [stderr] 
Dec 05 04:55:54.404 INFO [stderr] warning: unused attribute
Dec 05 04:55:54.404 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 05 04:55:54.404 INFO [stderr]   |
Dec 05 04:55:54.404 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:54.404 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:54.404 INFO [stderr]   |
Dec 05 04:55:54.404 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 05 04:55:54.404 INFO [stderr] 
Dec 05 04:55:54.404 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 05 04:55:54.404 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 05 04:55:54.404 INFO [stderr]   |
Dec 05 04:55:54.404 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:54.404 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:54.404 INFO [stderr] 
Dec 05 04:55:58.619 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 05 04:55:58.619 INFO [stderr]  --> examples/ping-pong.rs:1:12
Dec 05 04:55:58.619 INFO [stderr]   |
Dec 05 04:55:58.619 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:58.619 INFO [stderr]   |            ^^^^^^^^^^
Dec 05 04:55:58.619 INFO [stderr]   |
Dec 05 04:55:58.619 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 04:55:58.619 INFO [stderr] 
Dec 05 04:55:58.619 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 04:55:58.619 INFO [stderr]  --> examples/ping-pong.rs:1:24
Dec 05 04:55:58.619 INFO [stderr]   |
Dec 05 04:55:58.619 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:58.619 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:58.619 INFO [stderr] 
Dec 05 04:56:01.478 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 05 04:56:01.478 INFO [stderr]  --> tests/eventual_consistency.rs:1:12
Dec 05 04:56:01.478 INFO [stderr]   |
Dec 05 04:56:01.478 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:56:01.478 INFO [stderr]   |            ^^^^^^^^^^
Dec 05 04:56:01.478 INFO [stderr]   |
Dec 05 04:56:01.478 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 04:56:01.478 INFO [stderr] 
Dec 05 04:56:01.478 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 04:56:01.478 INFO [stderr]  --> tests/eventual_consistency.rs:1:24
Dec 05 04:56:01.478 INFO [stderr]   |
Dec 05 04:56:01.478 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:56:01.478 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:56:01.478 INFO [stderr] 
Dec 05 04:56:01.671 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.37s
Dec 05 04:56:01.675 INFO [stderr] su: No module specific data is present
Dec 05 04:56:02.379 INFO running `"docker" "inspect" "8ca298333c7980486d9bf869eb27f8a91610c17210713f7b23a242382c46b531"`
Dec 05 04:56:02.687 INFO running `"docker" "rm" "-f" "8ca298333c7980486d9bf869eb27f8a91610c17210713f7b23a242382c46b531"`
Dec 05 04:56:02.971 INFO [stdout] 8ca298333c7980486d9bf869eb27f8a91610c17210713f7b23a242382c46b531