Sep 04 10:45:58.915 INFO checking prng-0.1.1 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 10:45:58.916 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 10:45:58.916 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 10:45:59.091 INFO blam! 6717fccb81c0d29c13234483b3ecaa013d41af532e0cdcf2948d5feb8913d79a
Sep 04 10:45:59.092 INFO running `"docker" "start" "-a" "6717fccb81c0d29c13234483b3ecaa013d41af532e0cdcf2948d5feb8913d79a"`
Sep 04 10:45:59.780 INFO kablam!     Checking prng v0.1.1 (file:///source)
Sep 04 10:45:59.861 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 04 10:45:59.861 INFO kablam!  --> src/atomic_prng.rs:1:12
Sep 04 10:45:59.861 INFO kablam!   |
Sep 04 10:45:59.861 INFO kablam! 1 | use alloc::arc::Arc;
Sep 04 10:45:59.861 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 04 10:45:59.861 INFO kablam! 
Sep 04 10:45:59.958 INFO kablam! error: aborting due to previous error
Sep 04 10:45:59.958 INFO kablam! 
Sep 04 10:45:59.958 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 04 10:45:59.966 INFO kablam! error: Could not compile `prng`.
Sep 04 10:45:59.966 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 10:46:00.158 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 04 10:46:00.158 INFO kablam!  --> src/atomic_prng.rs:1:12
Sep 04 10:46:00.158 INFO kablam!   |
Sep 04 10:46:00.158 INFO kablam! 1 | use alloc::arc::Arc;
Sep 04 10:46:00.158 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 04 10:46:00.158 INFO kablam! 
Sep 04 10:46:00.248 INFO kablam! error: aborting due to previous error
Sep 04 10:46:00.248 INFO kablam! 
Sep 04 10:46:00.248 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 04 10:46:00.255 INFO kablam! error: Could not compile `prng`.
Sep 04 10:46:00.255 INFO kablam! 
Sep 04 10:46:00.255 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 10:46:00.256 INFO kablam! su: No module specific data is present
Sep 04 10:46:00.777 INFO running `"docker" "rm" "-f" "6717fccb81c0d29c13234483b3ecaa013d41af532e0cdcf2948d5feb8913d79a"`
Sep 04 10:46:00.859 INFO blam! 6717fccb81c0d29c13234483b3ecaa013d41af532e0cdcf2948d5feb8913d79a