Dec 05 04:55:30.558 INFO checking unbase-0.0.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 04:55:30.558 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04:55:30.838 INFO [stdout] 704b0c02b41d18645dd7cdd6acf8d1d86814907cb86982b942281c09ea03abc2
Dec 05 04:55:30.840 INFO running `"docker" "start" "-a" "704b0c02b41d18645dd7cdd6acf8d1d86814907cb86982b942281c09ea03abc2"`
Dec 05 04:55:31.566 INFO [stderr] usermod: no changes
Dec 05 04:55:31.679 INFO [stderr]     Checking generic-array v0.6.0
Dec 05 04:55:31.679 INFO [stderr]    Compiling syn v0.14.9
Dec 05 04:55:31.951 INFO [stderr]     Checking digest-buffer v0.2.0
Dec 05 04:55:31.951 INFO [stderr]     Checking digest v0.4.0
Dec 05 04:55:32.279 INFO [stderr]     Checking sha2 v0.4.2
Dec 05 04:55:44.332 INFO [stderr]    Compiling futures-await-async-macro v0.1.4
Dec 05 04:55:50.156 INFO [stderr]     Checking futures-await v0.1.1
Dec 05 04:55:50.651 INFO [stderr]     Checking unbase v0.0.2 (/source)
Dec 05 04:55:53.855 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 05 04:55:53.855 INFO [stderr]   --> src/lib.rs:40:12
Dec 05 04:55:53.855 INFO [stderr]    |
Dec 05 04:55:53.855 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:53.855 INFO [stderr]    |            ^^^^^^^^^^
Dec 05 04:55:53.855 INFO [stderr]    |
Dec 05 04:55:53.855 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 04:55:53.855 INFO [stderr] 
Dec 05 04:55:53.855 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 04:55:53.855 INFO [stderr]   --> src/lib.rs:40:24
Dec 05 04:55:53.855 INFO [stderr]    |
Dec 05 04:55:53.855 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:53.855 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:53.855 INFO [stderr] 
Dec 05 04:55:53.867 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 05 04:55:53.867 INFO [stderr]   --> src/lib.rs:40:12
Dec 05 04:55:53.867 INFO [stderr]    |
Dec 05 04:55:53.867 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:53.867 INFO [stderr]    |            ^^^^^^^^^^
Dec 05 04:55:53.867 INFO [stderr]    |
Dec 05 04:55:53.867 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 04:55:53.867 INFO [stderr] 
Dec 05 04:55:53.867 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 04:55:53.867 INFO [stderr]   --> src/lib.rs:40:24
Dec 05 04:55:53.867 INFO [stderr]    |
Dec 05 04:55:53.867 INFO [stderr] 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:53.867 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:53.867 INFO [stderr] 
Dec 05 04:55:53.875 INFO [stderr] warning: unused attribute
Dec 05 04:55:53.875 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 05 04:55:53.875 INFO [stderr]   |
Dec 05 04:55:53.875 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:53.875 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:53.875 INFO [stderr]   |
Dec 05 04:55:53.875 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 05 04:55:53.875 INFO [stderr] 
Dec 05 04:55:53.875 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 05 04:55:53.875 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 05 04:55:53.875 INFO [stderr]   |
Dec 05 04:55:53.875 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:53.875 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:53.875 INFO [stderr] 
Dec 05 04:55:53.885 INFO [stderr] warning: unused attribute
Dec 05 04:55:53.885 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 05 04:55:53.885 INFO [stderr]   |
Dec 05 04:55:53.885 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:53.885 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:53.885 INFO [stderr]   |
Dec 05 04:55:53.885 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 05 04:55:53.885 INFO [stderr] 
Dec 05 04:55:53.885 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 05 04:55:53.885 INFO [stderr]  --> src/slab/mod.rs:1:1
Dec 05 04:55:53.885 INFO [stderr]   |
Dec 05 04:55:53.885 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:53.885 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:53.885 INFO [stderr] 
Dec 05 04:55:56.575 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 05 04:55:56.575 INFO [stderr]  --> examples/ping-pong.rs:1:12
Dec 05 04:55:56.575 INFO [stderr]   |
Dec 05 04:55:56.575 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:56.575 INFO [stderr]   |            ^^^^^^^^^^
Dec 05 04:55:56.575 INFO [stderr]   |
Dec 05 04:55:56.575 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 04:55:56.575 INFO [stderr] 
Dec 05 04:55:56.575 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 04:55:56.575 INFO [stderr]  --> examples/ping-pong.rs:1:24
Dec 05 04:55:56.575 INFO [stderr]   |
Dec 05 04:55:56.575 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:56.575 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:56.575 INFO [stderr] 
Dec 05 04:55:59.851 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 05 04:55:59.851 INFO [stderr]  --> tests/eventual_consistency.rs:1:12
Dec 05 04:55:59.851 INFO [stderr]   |
Dec 05 04:55:59.851 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:59.851 INFO [stderr]   |            ^^^^^^^^^^
Dec 05 04:55:59.851 INFO [stderr]   |
Dec 05 04:55:59.851 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 04:55:59.851 INFO [stderr] 
Dec 05 04:55:59.851 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 04:55:59.851 INFO [stderr]  --> tests/eventual_consistency.rs:1:24
Dec 05 04:55:59.851 INFO [stderr]   |
Dec 05 04:55:59.851 INFO [stderr] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Dec 05 04:55:59.851 INFO [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 04:55:59.851 INFO [stderr] 
Dec 05 04:55:59.967 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.38s
Dec 05 04:55:59.973 INFO [stderr] su: No module specific data is present
Dec 05 04:56:00.922 INFO running `"docker" "inspect" "704b0c02b41d18645dd7cdd6acf8d1d86814907cb86982b942281c09ea03abc2"`
Dec 05 04:56:01.164 INFO running `"docker" "rm" "-f" "704b0c02b41d18645dd7cdd6acf8d1d86814907cb86982b942281c09ea03abc2"`
Dec 05 04:56:01.507 INFO [stdout] 704b0c02b41d18645dd7cdd6acf8d1d86814907cb86982b942281c09ea03abc2