Sep 02 04:21:45.766 INFO checking prng-0.1.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 04:21:45.766 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 04:21:45.766 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 04:21:45.982 INFO blam! 1f05bea994a837ac38455dcd5291c7e5067a473bb43c35468345a860f25cf191
Sep 02 04:21:45.984 INFO running `"docker" "start" "-a" "1f05bea994a837ac38455dcd5291c7e5067a473bb43c35468345a860f25cf191"`
Sep 02 04:21:46.783 INFO kablam!     Checking rng_trait v0.1.1
Sep 02 04:21:46.878 INFO kablam!     Checking prng v0.1.1 (file:///source)
Sep 02 04:21:46.938 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 02 04:21:46.938 INFO kablam!  --> src/atomic_prng.rs:1:12
Sep 02 04:21:46.938 INFO kablam!   |
Sep 02 04:21:46.938 INFO kablam! 1 | use alloc::arc::Arc;
Sep 02 04:21:46.938 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 02 04:21:46.938 INFO kablam! 
Sep 02 04:21:47.014 INFO kablam! error: aborting due to previous error
Sep 02 04:21:47.014 INFO kablam! 
Sep 02 04:21:47.014 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 02 04:21:47.020 INFO kablam! error: Could not compile `prng`.
Sep 02 04:21:47.020 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 02 04:21:47.178 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 02 04:21:47.178 INFO kablam!  --> src/atomic_prng.rs:1:12
Sep 02 04:21:47.178 INFO kablam!   |
Sep 02 04:21:47.178 INFO kablam! 1 | use alloc::arc::Arc;
Sep 02 04:21:47.179 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 02 04:21:47.179 INFO kablam! 
Sep 02 04:21:47.278 INFO kablam! error: aborting due to previous error
Sep 02 04:21:47.278 INFO kablam! 
Sep 02 04:21:47.278 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 02 04:21:47.288 INFO kablam! error: Could not compile `prng`.
Sep 02 04:21:47.288 INFO kablam! 
Sep 02 04:21:47.288 INFO kablam! To learn more, run the command again with --verbose.
Sep 02 04:21:47.288 INFO kablam! su: No module specific data is present
Sep 02 04:21:47.642 INFO running `"docker" "rm" "-f" "1f05bea994a837ac38455dcd5291c7e5067a473bb43c35468345a860f25cf191"`
Sep 02 04:21:47.747 INFO blam! 1f05bea994a837ac38455dcd5291c7e5067a473bb43c35468345a860f25cf191