Sep 10 12:41:33.492 INFO checking prng-0.1.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 12:41:33.492 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 12:41:33.492 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:41:33.622 INFO blam! b6e349d2797a5d9e84a7788a6ce3968c4f3534a1cdc0f8f59932654f301aff81
Sep 10 12:41:33.624 INFO running `"docker" "start" "-a" "b6e349d2797a5d9e84a7788a6ce3968c4f3534a1cdc0f8f59932654f301aff81"`
Sep 10 12:41:34.889 INFO kablam! usermod: no changes
Sep 10 12:41:34.975 INFO kablam!     Checking prng v0.1.1 (file:///source)
Sep 10 12:41:35.095 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 10 12:41:35.095 INFO kablam!  --> src/atomic_prng.rs:1:12
Sep 10 12:41:35.095 INFO kablam!   |
Sep 10 12:41:35.095 INFO kablam! 1 | use alloc::arc::Arc;
Sep 10 12:41:35.095 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 10 12:41:35.095 INFO kablam! 
Sep 10 12:41:35.138 INFO kablam! error: aborting due to previous error
Sep 10 12:41:35.138 INFO kablam! 
Sep 10 12:41:35.138 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 10 12:41:35.139 INFO kablam! error: Could not compile `prng`.
Sep 10 12:41:35.139 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 12:41:35.185 INFO kablam! error[E0432]: unresolved import `alloc::arc`
Sep 10 12:41:35.185 INFO kablam!  --> src/atomic_prng.rs:1:12
Sep 10 12:41:35.185 INFO kablam!   |
Sep 10 12:41:35.185 INFO kablam! 1 | use alloc::arc::Arc;
Sep 10 12:41:35.185 INFO kablam!   |            ^^^ Could not find `arc` in `alloc`
Sep 10 12:41:35.185 INFO kablam! 
Sep 10 12:41:35.236 INFO kablam! error: aborting due to previous error
Sep 10 12:41:35.237 INFO kablam! 
Sep 10 12:41:35.237 INFO kablam! For more information about this error, try `rustc --explain E0432`.
Sep 10 12:41:35.245 INFO kablam! error: Could not compile `prng`.
Sep 10 12:41:35.245 INFO kablam! 
Sep 10 12:41:35.245 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 12:41:35.250 INFO kablam! su: No module specific data is present
Sep 10 12:41:35.987 INFO running `"docker" "rm" "-f" "b6e349d2797a5d9e84a7788a6ce3968c4f3534a1cdc0f8f59932654f301aff81"`
Sep 10 12:41:36.064 INFO blam! b6e349d2797a5d9e84a7788a6ce3968c4f3534a1cdc0f8f59932654f301aff81