Sep 17 19:45:19.058 INFO checking prng-0.1.1 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 19:45:19.059 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 19:45:19.059 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 19:45:19.267 INFO blam! 90e8991052364634f9e38c1151365d20f1ae89fcfb67a515927be05f42b61e1e
Sep 17 19:45:19.268 INFO running `"docker" "start" "-a" "90e8991052364634f9e38c1151365d20f1ae89fcfb67a515927be05f42b61e1e"`
Sep 17 19:45:19.954 INFO kablam! usermod: no changes
Sep 17 19:45:19.987 INFO kablam!     Checking rng_trait v0.1.1
Sep 17 19:45:20.064 INFO kablam!     Checking prng v0.1.1 (/source)
Sep 17 19:45:20.119 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 17 19:45:20.119 INFO kablam!  --> src/atomic_prng.rs:1:12
Sep 17 19:45:20.119 INFO kablam!   |
Sep 17 19:45:20.119 INFO kablam! 1 | use alloc::arc::Arc;
Sep 17 19:45:20.119 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 17 19:45:20.119 INFO kablam! 
Sep 17 19:45:20.158 INFO kablam! error: aborting due to previous error
Sep 17 19:45:20.158 INFO kablam! 
Sep 17 19:45:20.158 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 17 19:45:20.162 INFO kablam! error: Could not compile `prng`.
Sep 17 19:45:20.162 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 19:45:20.228 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 17 19:45:20.228 INFO kablam!  --> src/atomic_prng.rs:1:12
Sep 17 19:45:20.228 INFO kablam!   |
Sep 17 19:45:20.228 INFO kablam! 1 | use alloc::arc::Arc;
Sep 17 19:45:20.228 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 17 19:45:20.228 INFO kablam! 
Sep 17 19:45:20.270 INFO kablam! error: aborting due to previous error
Sep 17 19:45:20.270 INFO kablam! 
Sep 17 19:45:20.270 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 17 19:45:20.278 INFO kablam! error: Could not compile `prng`.
Sep 17 19:45:20.278 INFO kablam! 
Sep 17 19:45:20.278 INFO kablam! To learn more, run the command again with --verbose.
Sep 17 19:45:20.280 INFO kablam! su: No module specific data is present
Sep 17 19:45:20.986 INFO running `"docker" "rm" "-f" "90e8991052364634f9e38c1151365d20f1ae89fcfb67a515927be05f42b61e1e"`
Sep 17 19:45:21.064 INFO blam! 90e8991052364634f9e38c1151365d20f1ae89fcfb67a515927be05f42b61e1e