Sep 14 14:39:56.615 INFO checking immutable-0.1.1 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 14:39:56.615 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 14:39:56.615 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 14:39:56.757 INFO blam! 3da3bb46f24a206a4d1ee243ec240a1eea61d4b0653611ff53b51874675803d0
Sep 14 14:39:56.758 INFO running `"docker" "start" "-a" "3da3bb46f24a206a4d1ee243ec240a1eea61d4b0653611ff53b51874675803d0"`
Sep 14 14:39:57.632 INFO kablam! usermod: no changes
Sep 14 14:39:57.660 INFO kablam!     Checking immutable v0.1.1 (file:///source)
Sep 14 14:39:57.902 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 14 14:39:57.902 INFO kablam!  --> src/list.rs:7:5
Sep 14 14:39:57.902 INFO kablam!   |
Sep 14 14:39:57.902 INFO kablam! 7 | use std::vec::IntoIter;
Sep 14 14:39:57.902 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 14 14:39:57.903 INFO kablam!   |
Sep 14 14:39:57.903 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 14:39:57.903 INFO kablam! 
Sep 14 14:39:57.906 INFO kablam! warning: unused import: `std::vec::IntoIter`
Sep 14 14:39:57.906 INFO kablam!  --> src/list.rs:7:5
Sep 14 14:39:57.906 INFO kablam!   |
Sep 14 14:39:57.906 INFO kablam! 7 | use std::vec::IntoIter;
Sep 14 14:39:57.906 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Sep 14 14:39:57.906 INFO kablam!   |
Sep 14 14:39:57.906 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 14:39:57.906 INFO kablam! 
Sep 14 14:39:58.080 INFO kablam! warning: unused attribute
Sep 14 14:39:58.081 INFO kablam!  --> src/list.rs:9:1
Sep 14 14:39:58.081 INFO kablam!   |
Sep 14 14:39:58.081 INFO kablam! 9 | #[macro_escape]
Sep 14 14:39:58.081 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 14 14:39:58.081 INFO kablam!   |
Sep 14 14:39:58.081 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 14 14:39:58.081 INFO kablam! 
Sep 14 14:39:58.081 INFO kablam! warning: unused attribute
Sep 14 14:39:58.081 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 14 14:39:58.081 INFO kablam!    |
Sep 14 14:39:58.081 INFO kablam! 11 | #[macro_escape]
Sep 14 14:39:58.081 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 14 14:39:58.081 INFO kablam! 
Sep 14 14:39:58.173 INFO kablam! warning: unused attribute
Sep 14 14:39:58.173 INFO kablam!  --> src/list.rs:9:1
Sep 14 14:39:58.173 INFO kablam!   |
Sep 14 14:39:58.173 INFO kablam! 9 | #[macro_escape]
Sep 14 14:39:58.173 INFO kablam!   | ^^^^^^^^^^^^^^^
Sep 14 14:39:58.173 INFO kablam!   |
Sep 14 14:39:58.173 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 14 14:39:58.173 INFO kablam! 
Sep 14 14:39:58.173 INFO kablam! warning: unused attribute
Sep 14 14:39:58.173 INFO kablam!   --> src/tree/binary_tree.rs:11:1
Sep 14 14:39:58.173 INFO kablam!    |
Sep 14 14:39:58.173 INFO kablam! 11 | #[macro_escape]
Sep 14 14:39:58.173 INFO kablam!    | ^^^^^^^^^^^^^^^
Sep 14 14:39:58.173 INFO kablam! 
Sep 14 14:39:58.193 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Sep 14 14:39:58.199 INFO kablam! su: No module specific data is present
Sep 14 14:39:58.703 INFO running `"docker" "rm" "-f" "3da3bb46f24a206a4d1ee243ec240a1eea61d4b0653611ff53b51874675803d0"`
Sep 14 14:39:58.848 INFO blam! 3da3bb46f24a206a4d1ee243ec240a1eea61d4b0653611ff53b51874675803d0