Sep 20 20:30:43.574 INFO checking wagnerf42/rayon-logs against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394 Sep 20 20:30:43.574 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets Sep 20 20:30:43.574 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 20 20:30:43.977 INFO blam! 1e0503652773947c2a8443e309fd289ed9987a1887ae6ff43e71e7cb3704b62b Sep 20 20:30:43.984 INFO running `"docker" "start" "-a" "1e0503652773947c2a8443e309fd289ed9987a1887ae6ff43e71e7cb3704b62b"` Sep 20 20:30:45.682 INFO kablam! usermod: no changes Sep 20 20:30:45.816 INFO kablam! Checking cfg-if v0.1.3 Sep 20 20:30:45.816 INFO kablam! Compiling rayon-core v1.4.0 Sep 20 20:30:45.818 INFO kablam! Compiling serde v1.0.66 Sep 20 20:30:45.818 INFO kablam! Checking dtoa v0.4.2 Sep 20 20:30:45.818 INFO kablam! Checking itoa v0.4.1 Sep 20 20:30:45.818 INFO kablam! Checking either v1.5.0 Sep 20 20:30:45.818 INFO kablam! Compiling proc-macro2 v0.4.6 Sep 20 20:30:45.818 INFO kablam! Checking num_cpus v1.8.0 Sep 20 20:30:46.377 INFO kablam! Checking crossbeam-utils v0.2.2 Sep 20 20:30:48.075 INFO kablam! Checking itertools v0.5.10 Sep 20 20:30:48.456 INFO kablam! Checking crossbeam-epoch v0.3.1 Sep 20 20:30:51.050 INFO kablam! Checking crossbeam-deque v0.2.0 Sep 20 20:30:55.402 INFO kablam! Compiling quote v0.6.3 Sep 20 20:30:55.888 INFO kablam! Checking rayon v1.0.1 Sep 20 20:30:56.834 INFO kablam! Compiling syn v0.14.2 Sep 20 20:31:14.270 INFO kablam! Compiling serde_derive v1.0.66 Sep 20 20:31:20.095 INFO kablam! Checking serde_json v1.0.20 Sep 20 20:31:34.050 INFO kablam! Checking rayon_logs v0.1.1 (/source) Sep 20 20:31:34.740 INFO kablam! error[E0432]: unresolved import `rand` Sep 20 20:31:34.740 INFO kablam! --> src/rayon_algorithms/slice/mergesort.rs:724:9 Sep 20 20:31:34.740 INFO kablam! | Sep 20 20:31:34.740 INFO kablam! 724 | use rand::{thread_rng, Rng}; Sep 20 20:31:34.740 INFO kablam! | ^^^^ Maybe a missing `extern crate rand;`? Sep 20 20:31:34.740 INFO kablam! Sep 20 20:31:34.808 INFO kablam! warning: unused import: `Rng` Sep 20 20:31:34.808 INFO kablam! --> src/rayon_algorithms/slice/mergesort.rs:724:28 Sep 20 20:31:34.808 INFO kablam! | Sep 20 20:31:34.808 INFO kablam! 724 | use rand::{thread_rng, Rng}; Sep 20 20:31:34.808 INFO kablam! | ^^^ Sep 20 20:31:34.808 INFO kablam! | Sep 20 20:31:34.808 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 20 20:31:34.809 INFO kablam! Sep 20 20:31:36.054 INFO kablam! error: aborting due to previous error Sep 20 20:31:36.054 INFO kablam! Sep 20 20:31:36.055 INFO kablam! For more information about this error, try `rustc --explain E0432`. Sep 20 20:31:36.075 INFO kablam! error: Could not compile `rayon_logs`. Sep 20 20:31:36.075 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 20 20:31:36.460 INFO kablam! error: build failed Sep 20 20:31:36.462 INFO kablam! su: No module specific data is present Sep 20 20:31:38.547 INFO running `"docker" "rm" "-f" "1e0503652773947c2a8443e309fd289ed9987a1887ae6ff43e71e7cb3704b62b"` Sep 20 20:31:38.663 INFO blam! 1e0503652773947c2a8443e309fd289ed9987a1887ae6ff43e71e7cb3704b62b