Sep 05 16:44:10.723 INFO checking wagnerf42/rayon-logs against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 16:44:10.723 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 16:44:10.723 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 16:44:11.112 INFO blam! 8c52c69f26272e7419341b4406d8d715127160d62dfc61f5cfb80a4b572cf4ca
Sep 05 16:44:11.113 INFO running `"docker" "start" "-a" "8c52c69f26272e7419341b4406d8d715127160d62dfc61f5cfb80a4b572cf4ca"`
Sep 05 16:44:13.656 INFO kablam! usermod: no changes
Sep 05 16:44:13.805 INFO kablam!     Checking nodrop v0.1.12
Sep 05 16:44:13.806 INFO kablam!     Checking cfg-if v0.1.3
Sep 05 16:44:13.818 INFO kablam!    Compiling unicode-xid v0.1.0
Sep 05 16:44:13.818 INFO kablam!     Checking lazy_static v1.0.1
Sep 05 16:44:13.819 INFO kablam!     Checking scopeguard v0.3.3
Sep 05 16:44:13.822 INFO kablam!     Checking memoffset v0.2.1
Sep 05 16:44:13.822 INFO kablam!    Compiling rayon-core v1.4.0
Sep 05 16:44:13.822 INFO kablam!    Compiling serde v1.0.66
Sep 05 16:44:14.333 INFO kablam!     Checking dtoa v0.4.2
Sep 05 16:44:14.399 INFO kablam!     Checking either v1.5.0
Sep 05 16:44:14.423 INFO kablam!     Checking itoa v0.4.1
Sep 05 16:44:14.766 INFO kablam!     Checking arrayvec v0.4.7
Sep 05 16:44:14.768 INFO kablam!     Checking num_cpus v1.8.0
Sep 05 16:44:15.230 INFO kablam!     Checking rand v0.4.2
Sep 05 16:44:16.202 INFO kablam!     Checking time v0.1.40
Sep 05 16:44:16.234 INFO kablam!     Checking crossbeam-utils v0.2.2
Sep 05 16:44:16.234 INFO kablam!    Compiling proc-macro2 v0.4.6
Sep 05 16:44:16.514 INFO kablam!     Checking itertools v0.5.10
Sep 05 16:44:17.758 INFO kablam!     Checking crossbeam-epoch v0.3.1
Sep 05 16:44:19.366 INFO kablam!     Checking crossbeam-deque v0.2.0
Sep 05 16:44:23.312 INFO kablam!    Compiling quote v0.6.3
Sep 05 16:44:23.532 INFO kablam!     Checking rayon v1.0.1
Sep 05 16:44:24.950 INFO kablam!    Compiling syn v0.14.2
Sep 05 16:44:40.315 INFO kablam!    Compiling serde_derive v1.0.66
Sep 05 16:44:45.810 INFO kablam!     Checking serde_json v1.0.20
Sep 05 16:44:58.297 INFO kablam!     Checking rayon_logs v0.1.1 (file:///source)
Sep 05 16:44:58.874 INFO kablam! error[E0432]: unresolved import `rand`
Sep 05 16:44:58.874 INFO kablam!    --> src/rayon_algorithms/slice/mergesort.rs:724:9
Sep 05 16:44:58.874 INFO kablam!     |
Sep 05 16:44:58.874 INFO kablam! 724 |     use rand::{thread_rng, Rng};
Sep 05 16:44:58.874 INFO kablam!     |         ^^^^ Maybe a missing `extern crate rand;`?
Sep 05 16:44:58.875 INFO kablam! 
Sep 05 16:44:58.965 INFO kablam! warning: unused import: `Rng`
Sep 05 16:44:58.965 INFO kablam!    --> src/rayon_algorithms/slice/mergesort.rs:724:28
Sep 05 16:44:58.966 INFO kablam!     |
Sep 05 16:44:58.966 INFO kablam! 724 |     use rand::{thread_rng, Rng};
Sep 05 16:44:58.966 INFO kablam!     |                            ^^^
Sep 05 16:44:58.966 INFO kablam!     |
Sep 05 16:44:58.966 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 05 16:44:58.966 INFO kablam! 
Sep 05 16:44:59.819 INFO kablam! error: aborting due to previous error
Sep 05 16:44:59.819 INFO kablam! 
Sep 05 16:44:59.819 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 05 16:44:59.829 INFO kablam! error: Could not compile `rayon_logs`.
Sep 05 16:44:59.830 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 05 16:45:00.498 INFO kablam! error: build failed
Sep 05 16:45:00.498 INFO kablam! su: No module specific data is present
Sep 05 16:45:01.666 INFO running `"docker" "rm" "-f" "8c52c69f26272e7419341b4406d8d715127160d62dfc61f5cfb80a4b572cf4ca"`
Sep 05 16:45:01.974 INFO blam! 8c52c69f26272e7419341b4406d8d715127160d62dfc61f5cfb80a4b572cf4ca