Sep 20 03:28:27.822 INFO checking config-0.9.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 03:28:27.822 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 03:28:27.822 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-0/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:28:27.943 INFO blam! 408ccfdad4f9033085df1345cd7db1603abdbdf2a488f2a699bd69a603138474
Sep 20 03:28:27.945 INFO running `"docker" "start" "-a" "408ccfdad4f9033085df1345cd7db1603abdbdf2a488f2a699bd69a603138474"`
Sep 20 03:28:28.637 INFO kablam! usermod: no changes
Sep 20 03:28:28.790 INFO kablam!     Checking config v0.9.0 (/source)
Sep 20 03:28:33.364 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:28:33.364 INFO kablam!   --> tests/env.rs:57:9
Sep 20 03:28:33.364 INFO kablam!    |
Sep 20 03:28:33.364 INFO kablam! 57 |     let mut environment = Environment::with_prefix("C").separator("_");
Sep 20 03:28:33.364 INFO kablam!    |         ----^^^^^^^^^^^
Sep 20 03:28:33.364 INFO kablam!    |         |
Sep 20 03:28:33.364 INFO kablam!    |         help: remove this `mut`
Sep 20 03:28:33.378 INFO kablam!    |
Sep 20 03:28:33.378 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 03:28:33.378 INFO kablam! 
Sep 20 03:28:38.354 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.69s
Sep 20 03:28:38.378 INFO kablam! su: No module specific data is present
Sep 20 03:28:39.528 INFO running `"docker" "rm" "-f" "408ccfdad4f9033085df1345cd7db1603abdbdf2a488f2a699bd69a603138474"`
Sep 20 03:28:39.623 INFO blam! 408ccfdad4f9033085df1345cd7db1603abdbdf2a488f2a699bd69a603138474