Aug 18 02:24:58.391 INFO checking calculator-0.0.1 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 18 02:24:58.391 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 18 02:24:58.391 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 18 02:24:58.391 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-6/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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 +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 18 02:24:58.566 INFO blam! c5cb9e306ef45e1b33ac765be8d6c63d41617b90f135ec48251aee610c7d4052
Aug 18 02:24:58.568 INFO running `"docker" "start" "-a" "c5cb9e306ef45e1b33ac765be8d6c63d41617b90f135ec48251aee610c7d4052"`
Aug 18 02:24:59.609 INFO kablam!     Checking vec_map v0.0.1
Aug 18 02:25:00.624 INFO kablam!     Checking calculator v0.0.1 (file:///source)
Aug 18 02:25:02.183 INFO kablam! error[E0635]: unknown feature `collections`
Aug 18 02:25:02.183 INFO kablam!  --> src/expr.rs:4:12
Aug 18 02:25:02.183 INFO kablam!   |
Aug 18 02:25:02.183 INFO kablam! 4 | #![feature(collections)]
Aug 18 02:25:02.183 INFO kablam!   |            ^^^^^^^^^^^
Aug 18 02:25:02.183 INFO kablam! 
Aug 18 02:25:02.291 INFO kablam! error: aborting due to previous error
Aug 18 02:25:02.291 INFO kablam! 
Aug 18 02:25:02.291 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 18 02:25:02.303 INFO kablam! error: Could not compile `calculator`.
Aug 18 02:25:02.304 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 18 02:25:02.425 INFO kablam! error[E0635]: unknown feature `collections`
Aug 18 02:25:02.425 INFO kablam!  --> src/expr.rs:4:12
Aug 18 02:25:02.425 INFO kablam!   |
Aug 18 02:25:02.425 INFO kablam! 4 | #![feature(collections)]
Aug 18 02:25:02.425 INFO kablam!   |            ^^^^^^^^^^^
Aug 18 02:25:02.425 INFO kablam! 
Aug 18 02:25:02.501 INFO kablam! error: aborting due to previous error
Aug 18 02:25:02.501 INFO kablam! 
Aug 18 02:25:02.501 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 18 02:25:02.516 INFO kablam! error: Could not compile `calculator`.
Aug 18 02:25:02.516 INFO kablam! 
Aug 18 02:25:02.516 INFO kablam! To learn more, run the command again with --verbose.
Aug 18 02:25:02.518 INFO kablam! su: No module specific data is present
Aug 18 02:25:03.035 INFO running `"docker" "rm" "-f" "c5cb9e306ef45e1b33ac765be8d6c63d41617b90f135ec48251aee610c7d4052"`
Aug 18 02:25:03.192 INFO blam! c5cb9e306ef45e1b33ac765be8d6c63d41617b90f135ec48251aee610c7d4052