Oct 13 06:52:32.843 INFO checking unbase-0.0.2 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 06:52:32.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 06:52:33.181 INFO blam! 51e1e59a8cd29a602cdd41d8d046a8976903bd2f1e52110ad03e950c4f109b3d
Oct 13 06:52:33.182 INFO running `"docker" "start" "-a" "51e1e59a8cd29a602cdd41d8d046a8976903bd2f1e52110ad03e950c4f109b3d"`
Oct 13 06:52:34.344 INFO kablam! usermod: no changes
Oct 13 06:52:34.531 INFO kablam!    Compiling proc-macro2 v0.4.20
Oct 13 06:52:34.531 INFO kablam!     Checking futures-await-await-macro v0.1.1
Oct 13 06:52:34.539 INFO kablam!     Checking itertools v0.5.10
Oct 13 06:52:34.540 INFO kablam!     Checking generic-array v0.6.0
Oct 13 06:52:35.234 INFO kablam!     Checking digest v0.4.0
Oct 13 06:52:35.234 INFO kablam!     Checking digest-buffer v0.2.0
Oct 13 06:52:36.192 INFO kablam!     Checking sha2 v0.4.2
Oct 13 06:52:42.740 INFO kablam!    Compiling quote v0.6.8
Oct 13 06:52:46.776 INFO kablam!    Compiling syn v0.14.9
Oct 13 06:53:02.759 INFO kablam!    Compiling futures-await-async-macro v0.1.4
Oct 13 06:53:10.680 INFO kablam!     Checking futures-await v0.1.1
Oct 13 06:53:11.284 INFO kablam!     Checking unbase v0.0.2 (/source)
Oct 13 06:53:15.052 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 06:53:15.052 INFO kablam!   --> src/lib.rs:40:12
Oct 13 06:53:15.052 INFO kablam!    |
Oct 13 06:53:15.052 INFO kablam! 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:15.052 INFO kablam!    |            ^^^^^^^^^^
Oct 13 06:53:15.052 INFO kablam!    |
Oct 13 06:53:15.052 INFO kablam!    = note: #[warn(stable_features)] on by default
Oct 13 06:53:15.052 INFO kablam! 
Oct 13 06:53:15.052 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 13 06:53:15.052 INFO kablam!   --> src/lib.rs:40:24
Oct 13 06:53:15.052 INFO kablam!    |
Oct 13 06:53:15.052 INFO kablam! 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:15.052 INFO kablam!    |                        ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:53:15.052 INFO kablam! 
Oct 13 06:53:15.096 INFO kablam! warning: unused attribute
Oct 13 06:53:15.096 INFO kablam!  --> src/slab/mod.rs:1:1
Oct 13 06:53:15.096 INFO kablam!   |
Oct 13 06:53:15.096 INFO kablam! 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:15.096 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:53:15.096 INFO kablam!   |
Oct 13 06:53:15.096 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Oct 13 06:53:15.096 INFO kablam! 
Oct 13 06:53:15.096 INFO kablam! warning: crate-level attribute should be in the root module
Oct 13 06:53:15.096 INFO kablam!  --> src/slab/mod.rs:1:1
Oct 13 06:53:15.096 INFO kablam!   |
Oct 13 06:53:15.096 INFO kablam! 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:15.096 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:53:15.096 INFO kablam! 
Oct 13 06:53:15.409 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 06:53:15.409 INFO kablam!   --> src/lib.rs:40:12
Oct 13 06:53:15.409 INFO kablam!    |
Oct 13 06:53:15.409 INFO kablam! 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:15.409 INFO kablam!    |            ^^^^^^^^^^
Oct 13 06:53:15.409 INFO kablam!    |
Oct 13 06:53:15.409 INFO kablam!    = note: #[warn(stable_features)] on by default
Oct 13 06:53:15.409 INFO kablam! 
Oct 13 06:53:15.410 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 13 06:53:15.410 INFO kablam!   --> src/lib.rs:40:24
Oct 13 06:53:15.410 INFO kablam!    |
Oct 13 06:53:15.410 INFO kablam! 40 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:15.410 INFO kablam!    |                        ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:53:15.410 INFO kablam! 
Oct 13 06:53:15.432 INFO kablam! warning: unused attribute
Oct 13 06:53:15.432 INFO kablam!  --> src/slab/mod.rs:1:1
Oct 13 06:53:15.432 INFO kablam!   |
Oct 13 06:53:15.432 INFO kablam! 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:15.432 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:53:15.432 INFO kablam!   |
Oct 13 06:53:15.432 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Oct 13 06:53:15.432 INFO kablam! 
Oct 13 06:53:15.432 INFO kablam! warning: crate-level attribute should be in the root module
Oct 13 06:53:15.432 INFO kablam!  --> src/slab/mod.rs:1:1
Oct 13 06:53:15.432 INFO kablam!   |
Oct 13 06:53:15.432 INFO kablam! 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:15.432 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:53:15.432 INFO kablam! 
Oct 13 06:53:20.197 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 06:53:20.198 INFO kablam!  --> examples/ping-pong.rs:1:12
Oct 13 06:53:20.198 INFO kablam!   |
Oct 13 06:53:20.198 INFO kablam! 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:20.198 INFO kablam!   |            ^^^^^^^^^^
Oct 13 06:53:20.199 INFO kablam!   |
Oct 13 06:53:20.199 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 06:53:20.199 INFO kablam! 
Oct 13 06:53:20.199 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 13 06:53:20.200 INFO kablam!  --> examples/ping-pong.rs:1:24
Oct 13 06:53:20.200 INFO kablam!   |
Oct 13 06:53:20.200 INFO kablam! 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:20.201 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:53:20.201 INFO kablam! 
Oct 13 06:53:20.272 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Oct 13 06:53:20.272 INFO kablam!  --> tests/eventual_consistency.rs:1:12
Oct 13 06:53:20.272 INFO kablam!   |
Oct 13 06:53:20.272 INFO kablam! 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:20.272 INFO kablam!   |            ^^^^^^^^^^
Oct 13 06:53:20.272 INFO kablam!   |
Oct 13 06:53:20.272 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 13 06:53:20.272 INFO kablam! 
Oct 13 06:53:20.272 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 13 06:53:20.272 INFO kablam!  --> tests/eventual_consistency.rs:1:24
Oct 13 06:53:20.272 INFO kablam!   |
Oct 13 06:53:20.272 INFO kablam! 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
Oct 13 06:53:20.272 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 06:53:20.272 INFO kablam! 
Oct 13 06:53:20.491 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 46.11s
Oct 13 06:53:20.501 INFO kablam! su: No module specific data is present
Oct 13 06:53:20.716 INFO running `"docker" "rm" "-f" "51e1e59a8cd29a602cdd41d8d046a8976903bd2f1e52110ad03e950c4f109b3d"`
Oct 13 06:53:20.812 INFO blam! 51e1e59a8cd29a602cdd41d8d046a8976903bd2f1e52110ad03e950c4f109b3d