Sep 10 20:58:03.030 INFO checking config-0.9.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 20:58:03.030 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 20:58:03.030 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 20:58:03.232 INFO blam! c053a38cbbb33c1b2ecce24c604e74a85e336d091e12ec095f6562a66cd44d96
Sep 10 20:58:03.234 INFO running `"docker" "start" "-a" "c053a38cbbb33c1b2ecce24c604e74a85e336d091e12ec095f6562a66cd44d96"`
Sep 10 20:58:04.227 INFO kablam! usermod: no changes
Sep 10 20:58:04.377 INFO kablam!     Checking chrono v0.4.6
Sep 10 20:58:04.378 INFO kablam!     Checking config v0.9.0 (file:///source)
Sep 10 20:58:09.358 INFO kablam! warning: variable does not need to be mutable
Sep 10 20:58:09.358 INFO kablam!   --> tests/env.rs:57:9
Sep 10 20:58:09.358 INFO kablam!    |
Sep 10 20:58:09.358 INFO kablam! 57 |     let mut environment = Environment::with_prefix("C").separator("_");
Sep 10 20:58:09.358 INFO kablam!    |         ----^^^^^^^^^^^
Sep 10 20:58:09.358 INFO kablam!    |         |
Sep 10 20:58:09.358 INFO kablam!    |         help: remove this `mut`
Sep 10 20:58:09.358 INFO kablam!    |
Sep 10 20:58:09.358 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 20:58:09.358 INFO kablam! 
Sep 10 20:58:11.478 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.22s
Sep 10 20:58:11.487 INFO kablam! su: No module specific data is present
Sep 10 20:58:12.438 INFO running `"docker" "rm" "-f" "c053a38cbbb33c1b2ecce24c604e74a85e336d091e12ec095f6562a66cd44d96"`
Sep 10 20:58:12.549 INFO blam! c053a38cbbb33c1b2ecce24c604e74a85e336d091e12ec095f6562a66cd44d96