Sep 01 10:55:36.139 INFO checking prng-0.1.1 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 10:55:36.139 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 10:55:36.139 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 10:55:36.334 INFO blam! c756e93ff4d2f1c72898eb85d93e218c8e407fef02a4af859c3938b8602caac6
Sep 01 10:55:36.336 INFO running `"docker" "start" "-a" "c756e93ff4d2f1c72898eb85d93e218c8e407fef02a4af859c3938b8602caac6"`
Sep 01 10:55:37.182 INFO kablam!     Checking prng v0.1.1 (file:///source)
Sep 01 10:55:37.236 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 01 10:55:37.236 INFO kablam!  --> src/atomic_prng.rs:1:12
Sep 01 10:55:37.236 INFO kablam!   |
Sep 01 10:55:37.236 INFO kablam! 1 | use alloc::arc::Arc;
Sep 01 10:55:37.236 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 01 10:55:37.236 INFO kablam! 
Sep 01 10:55:37.296 INFO kablam! error: aborting due to previous error
Sep 01 10:55:37.296 INFO kablam! 
Sep 01 10:55:37.296 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 01 10:55:37.301 INFO kablam! error: Could not compile `prng`.
Sep 01 10:55:37.301 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 10:55:37.524 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 01 10:55:37.524 INFO kablam!  --> src/atomic_prng.rs:1:12
Sep 01 10:55:37.524 INFO kablam!   |
Sep 01 10:55:37.524 INFO kablam! 1 | use alloc::arc::Arc;
Sep 01 10:55:37.524 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 01 10:55:37.524 INFO kablam! 
Sep 01 10:55:37.627 INFO kablam! error: aborting due to previous error
Sep 01 10:55:37.627 INFO kablam! 
Sep 01 10:55:37.627 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 01 10:55:37.635 INFO kablam! error: Could not compile `prng`.
Sep 01 10:55:37.635 INFO kablam! 
Sep 01 10:55:37.635 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 10:55:37.636 INFO kablam! su: No module specific data is present
Sep 01 10:55:38.045 INFO running `"docker" "rm" "-f" "c756e93ff4d2f1c72898eb85d93e218c8e407fef02a4af859c3938b8602caac6"`
Sep 01 10:55:38.145 INFO blam! c756e93ff4d2f1c72898eb85d93e218c8e407fef02a4af859c3938b8602caac6