Sep 01 20:43:22.270 INFO checking flate2-0.2.20 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 20:43:22.270 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 20:43:22.270 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:43:22.454 INFO blam! 4a96c79f5b1468fe5f699c526c5d6938f001736908e00ff09e876646d97a2eae
Sep 01 20:43:22.456 INFO running `"docker" "start" "-a" "4a96c79f5b1468fe5f699c526c5d6938f001736908e00ff09e876646d97a2eae"`
Sep 01 20:43:23.808 INFO kablam!     Checking flate2 v0.2.20 (file:///source)
Sep 01 20:43:24.675 INFO kablam! warning: unused import: `std::env`
Sep 01 20:43:24.676 INFO kablam!  --> src/gz/mod.rs:1:5
Sep 01 20:43:24.676 INFO kablam!   |
Sep 01 20:43:24.676 INFO kablam! 1 | use std::env;
Sep 01 20:43:24.676 INFO kablam!   |     ^^^^^^^^
Sep 01 20:43:24.676 INFO kablam!   |
Sep 01 20:43:24.676 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 20:43:24.676 INFO kablam! 
Sep 01 20:43:24.979 INFO kablam! error: unused import: `std::env`
Sep 01 20:43:24.979 INFO kablam!  --> src/gz/mod.rs:1:5
Sep 01 20:43:24.979 INFO kablam!   |
Sep 01 20:43:24.979 INFO kablam! 1 | use std::env;
Sep 01 20:43:24.979 INFO kablam!   |     ^^^^^^^^
Sep 01 20:43:24.979 INFO kablam!   |
Sep 01 20:43:24.979 INFO kablam! note: lint level defined here
Sep 01 20:43:24.979 INFO kablam!  --> src/lib.rs:103:24
Sep 01 20:43:24.979 INFO kablam!   |
Sep 01 20:43:24.979 INFO kablam! 10| #![cfg_attr(test, deny(warnings))]
Sep 01 20:43:24.979 INFO kablam!   |                        ^^^^^^^^
Sep 01 20:43:24.979 INFO kablam!   = note: #[deny(unused_imports)] implied by #[deny(warnings)]
Sep 01 20:43:24.980 INFO kablam! 
Sep 01 20:43:26.733 INFO kablam! error: aborting due to previous error
Sep 01 20:43:26.756 INFO kablam! 
Sep 01 20:43:26.793 INFO kablam! error: Could not compile `flate2`.
Sep 01 20:43:26.794 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 20:43:29.397 INFO kablam! error: build failed
Sep 01 20:43:29.399 INFO kablam! su: No module specific data is present
Sep 01 20:43:29.990 INFO running `"docker" "rm" "-f" "4a96c79f5b1468fe5f699c526c5d6938f001736908e00ff09e876646d97a2eae"`
Sep 01 20:43:30.148 INFO blam! 4a96c79f5b1468fe5f699c526c5d6938f001736908e00ff09e876646d97a2eae