Oct 13 16:17:35.571 INFO checking data_structure_traits-0.1.12 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 16:17:35.571 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 16:17:35.850 INFO blam! dd1a923cd42314636e75ba732209de39c9ce5d2a682a67b0ac05b8248712d078
Oct 13 16:17:35.852 INFO running `"docker" "start" "-a" "dd1a923cd42314636e75ba732209de39c9ce5d2a682a67b0ac05b8248712d078"`
Oct 13 16:17:36.444 INFO kablam! usermod: no changes
Oct 13 16:17:36.504 INFO kablam!     Checking data_structure_traits v0.1.12 (/source)
Oct 13 16:17:38.120 INFO kablam! warning: unused `#[macro_use]` import
Oct 13 16:17:38.121 INFO kablam!  --> tests/test.rs:1:1
Oct 13 16:17:38.121 INFO kablam!   |
Oct 13 16:17:38.121 INFO kablam! 1 | #[macro_use]
Oct 13 16:17:38.122 INFO kablam!   | ^^^^^^^^^^^^
Oct 13 16:17:38.122 INFO kablam!   |
Oct 13 16:17:38.122 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 16:17:38.122 INFO kablam! 
Oct 13 16:17:38.213 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
Oct 13 16:17:38.218 INFO kablam! su: No module specific data is present
Oct 13 16:17:38.738 INFO running `"docker" "rm" "-f" "dd1a923cd42314636e75ba732209de39c9ce5d2a682a67b0ac05b8248712d078"`
Oct 13 16:17:38.904 INFO blam! dd1a923cd42314636e75ba732209de39c9ce5d2a682a67b0ac05b8248712d078