Aug 16 22:15:31.553 INFO checking wagnerf42/rayon-logs against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 16 22:15:31.553 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 16 22:15:31.553 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 16 22:15:31.554 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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=500" "-e" "CMD=cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 16 22:15:31.788 INFO blam! 6ba92996fd08424c5a37eac9f5d0074e8aeca32a23f29f816a082a73429ae2cf
Aug 16 22:15:31.790 INFO running `"docker" "start" "-a" "6ba92996fd08424c5a37eac9f5d0074e8aeca32a23f29f816a082a73429ae2cf"`
Aug 16 22:15:32.793 INFO kablam!     Checking cfg-if v0.1.3
Aug 16 22:15:32.793 INFO kablam!     Checking nodrop v0.1.12
Aug 16 22:15:32.793 INFO kablam!     Checking scopeguard v0.3.3
Aug 16 22:15:32.838 INFO kablam!    Compiling unicode-xid v0.1.0
Aug 16 22:15:32.858 INFO kablam!     Checking memoffset v0.2.1
Aug 16 22:15:32.874 INFO kablam!    Compiling rayon-core v1.4.0
Aug 16 22:15:32.883 INFO kablam!    Compiling serde v1.0.66
Aug 16 22:15:32.883 INFO kablam!     Checking either v1.5.0
Aug 16 22:15:33.665 INFO kablam!     Checking itoa v0.4.1
Aug 16 22:15:33.701 INFO kablam!     Checking dtoa v0.4.2
Aug 16 22:15:34.223 INFO kablam!     Checking num_cpus v1.8.0
Aug 16 22:15:34.573 INFO kablam!     Checking rand v0.4.2
Aug 16 22:15:35.688 INFO kablam!     Checking time v0.1.40
Aug 16 22:15:37.108 INFO kablam!     Checking crossbeam-utils v0.2.2
Aug 16 22:15:38.841 INFO kablam!     Checking arrayvec v0.4.7
Aug 16 22:15:38.865 INFO kablam!    Compiling proc-macro2 v0.4.6
Aug 16 22:15:39.005 INFO kablam!     Checking itertools v0.5.10
Aug 16 22:15:50.290 INFO kablam!     Checking crossbeam-epoch v0.3.1
Aug 16 22:15:57.672 INFO kablam!     Checking crossbeam-deque v0.2.0
Aug 16 22:16:03.461 INFO kablam!    Compiling quote v0.6.3
Aug 16 22:16:05.966 INFO kablam!     Checking rayon v1.0.1
Aug 16 22:16:07.035 INFO kablam!    Compiling syn v0.14.2
Aug 16 22:16:53.746 INFO kablam!    Compiling serde_derive v1.0.66
Aug 16 22:17:03.134 INFO kablam!     Checking serde_json v1.0.20
Aug 16 22:17:38.959 INFO kablam!     Checking rayon_logs v0.1.1 (file:///source)
Aug 16 22:17:40.292 INFO kablam! error[E0432]: unresolved import `rand`
Aug 16 22:17:40.292 INFO kablam!    --> src/rayon_algorithms/slice/mergesort.rs:724:9
Aug 16 22:17:40.292 INFO kablam!     |
Aug 16 22:17:40.292 INFO kablam! 724 |     use rand::{thread_rng, Rng};
Aug 16 22:17:40.292 INFO kablam!     |         ^^^^ Maybe a missing `extern crate rand;`?
Aug 16 22:17:40.292 INFO kablam! 
Aug 16 22:17:40.433 INFO kablam! warning: unused import: `Rng`
Aug 16 22:17:40.433 INFO kablam!    --> src/rayon_algorithms/slice/mergesort.rs:724:28
Aug 16 22:17:40.433 INFO kablam!     |
Aug 16 22:17:40.433 INFO kablam! 724 |     use rand::{thread_rng, Rng};
Aug 16 22:17:40.433 INFO kablam!     |                            ^^^
Aug 16 22:17:40.438 INFO kablam!     |
Aug 16 22:17:40.438 INFO kablam!     = note: #[warn(unused_imports)] on by default
Aug 16 22:17:40.438 INFO kablam! 
Aug 16 22:17:42.941 INFO kablam! error: aborting due to previous error
Aug 16 22:17:42.941 INFO kablam! 
Aug 16 22:17:42.941 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Aug 16 22:17:42.965 INFO kablam! error: Could not compile `rayon_logs`.
Aug 16 22:17:42.965 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 16 22:17:43.871 INFO kablam! warning: variable does not need to be mutable
Aug 16 22:17:43.871 INFO kablam!    --> src/log.rs:165:17
Aug 16 22:17:43.871 INFO kablam!     |
Aug 16 22:17:43.871 INFO kablam! 165 |             let mut children = &mut iterators_info[*iterator];
Aug 16 22:17:43.871 INFO kablam!     |                 ----^^^^^^^^
Aug 16 22:17:43.871 INFO kablam!     |                 |
Aug 16 22:17:43.871 INFO kablam!     |                 help: remove this `mut`
Aug 16 22:17:43.872 INFO kablam!     |
Aug 16 22:17:43.872 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 16 22:17:43.872 INFO kablam! 
Aug 16 22:17:44.217 INFO kablam! error: build failed
Aug 16 22:17:44.226 INFO kablam! su: No module specific data is present
Aug 16 22:17:44.744 INFO running `"docker" "rm" "-f" "6ba92996fd08424c5a37eac9f5d0074e8aeca32a23f29f816a082a73429ae2cf"`
Aug 16 22:17:44.926 INFO blam! 6ba92996fd08424c5a37eac9f5d0074e8aeca32a23f29f816a082a73429ae2cf