Sep 01 20:42:48.047 INFO checking flep-0.2.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 20:42:48.047 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 20:42:48.047 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/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 20:42:48.210 INFO blam! 488dcde7d3be91e39829c01fbf4afebae94ff509572041e949129a1734658aa5
Sep 01 20:42:48.212 INFO running `"docker" "start" "-a" "488dcde7d3be91e39829c01fbf4afebae94ff509572041e949129a1734658aa5"`
Sep 01 20:42:48.953 INFO kablam!     Checking flep_protocol v0.2.0
Sep 01 20:42:51.425 INFO kablam!     Checking flep v0.2.0 (file:///source)
Sep 01 20:42:53.550 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:42:53.550 INFO kablam!  --> src/server/client/state/handle/cwd.rs:7:9
Sep 01 20:42:53.550 INFO kablam!   |
Sep 01 20:42:53.550 INFO kablam! 7 |     let mut session = client.session.expect_ready_mut()?;
Sep 01 20:42:53.550 INFO kablam!   |         ----^^^^^^^
Sep 01 20:42:53.550 INFO kablam!   |         |
Sep 01 20:42:53.550 INFO kablam!   |         help: remove this `mut`
Sep 01 20:42:53.550 INFO kablam!   |
Sep 01 20:42:53.550 INFO kablam!   = note: #[warn(unused_mut)] on by default
Sep 01 20:42:53.550 INFO kablam! 
Sep 01 20:42:53.552 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:42:53.552 INFO kablam!  --> src/server/client/state/handle/cdup.rs:6:9
Sep 01 20:42:53.552 INFO kablam!   |
Sep 01 20:42:53.552 INFO kablam! 6 |     let mut session = client.session.expect_ready_mut()?;
Sep 01 20:42:53.552 INFO kablam!   |         ----^^^^^^^
Sep 01 20:42:53.552 INFO kablam!   |         |
Sep 01 20:42:53.552 INFO kablam!   |         help: remove this `mut`
Sep 01 20:42:53.552 INFO kablam! 
Sep 01 20:42:53.559 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:42:53.559 INFO kablam!  --> src/server/client/state/handle/ty.rs:7:9
Sep 01 20:42:53.559 INFO kablam!   |
Sep 01 20:42:53.560 INFO kablam! 7 |     let mut session = client.session.expect_ready_mut()?;
Sep 01 20:42:53.560 INFO kablam!   |         ----^^^^^^^
Sep 01 20:42:53.560 INFO kablam!   |         |
Sep 01 20:42:53.560 INFO kablam!   |         help: remove this `mut`
Sep 01 20:42:53.560 INFO kablam! 
Sep 01 20:42:53.562 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:42:53.562 INFO kablam!   --> src/server/client/state/handle/passive.rs:26:9
Sep 01 20:42:53.562 INFO kablam!    |
Sep 01 20:42:53.562 INFO kablam! 26 |     let mut session = client.session.expect_ready_mut()?;
Sep 01 20:42:53.562 INFO kablam!    |         ----^^^^^^^
Sep 01 20:42:53.562 INFO kablam!    |         |
Sep 01 20:42:53.562 INFO kablam!    |         help: remove this `mut`
Sep 01 20:42:53.562 INFO kablam! 
Sep 01 20:42:53.565 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:42:53.565 INFO kablam!  --> src/server/client/state/handle/active.rs:8:9
Sep 01 20:42:53.565 INFO kablam!   |
Sep 01 20:42:53.565 INFO kablam! 8 |     let mut session = client.session.expect_ready_mut()?;
Sep 01 20:42:53.565 INFO kablam!   |         ----^^^^^^^
Sep 01 20:42:53.565 INFO kablam!   |         |
Sep 01 20:42:53.565 INFO kablam!   |         help: remove this `mut`
Sep 01 20:42:53.565 INFO kablam! 
Sep 01 20:42:53.772 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:42:53.772 INFO kablam!  --> src/server/client/state/handle/cwd.rs:7:9
Sep 01 20:42:53.772 INFO kablam!   |
Sep 01 20:42:53.772 INFO kablam! 7 |     let mut session = client.session.expect_ready_mut()?;
Sep 01 20:42:53.772 INFO kablam!   |         ----^^^^^^^
Sep 01 20:42:53.772 INFO kablam!   |         |
Sep 01 20:42:53.772 INFO kablam!   |         help: remove this `mut`
Sep 01 20:42:53.772 INFO kablam!   |
Sep 01 20:42:53.772 INFO kablam!   = note: #[warn(unused_mut)] on by default
Sep 01 20:42:53.772 INFO kablam! 
Sep 01 20:42:53.775 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:42:53.775 INFO kablam!  --> src/server/client/state/handle/cdup.rs:6:9
Sep 01 20:42:53.775 INFO kablam!   |
Sep 01 20:42:53.775 INFO kablam! 6 |     let mut session = client.session.expect_ready_mut()?;
Sep 01 20:42:53.775 INFO kablam!   |         ----^^^^^^^
Sep 01 20:42:53.775 INFO kablam!   |         |
Sep 01 20:42:53.775 INFO kablam!   |         help: remove this `mut`
Sep 01 20:42:53.776 INFO kablam! 
Sep 01 20:42:53.787 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:42:53.787 INFO kablam!  --> src/server/client/state/handle/ty.rs:7:9
Sep 01 20:42:53.787 INFO kablam!   |
Sep 01 20:42:53.787 INFO kablam! 7 |     let mut session = client.session.expect_ready_mut()?;
Sep 01 20:42:53.787 INFO kablam!   |         ----^^^^^^^
Sep 01 20:42:53.787 INFO kablam!   |         |
Sep 01 20:42:53.787 INFO kablam!   |         help: remove this `mut`
Sep 01 20:42:53.788 INFO kablam! 
Sep 01 20:42:53.791 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:42:53.791 INFO kablam!   --> src/server/client/state/handle/passive.rs:26:9
Sep 01 20:42:53.791 INFO kablam!    |
Sep 01 20:42:53.791 INFO kablam! 26 |     let mut session = client.session.expect_ready_mut()?;
Sep 01 20:42:53.791 INFO kablam!    |         ----^^^^^^^
Sep 01 20:42:53.791 INFO kablam!    |         |
Sep 01 20:42:53.791 INFO kablam!    |         help: remove this `mut`
Sep 01 20:42:53.791 INFO kablam! 
Sep 01 20:42:53.794 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:42:53.794 INFO kablam!  --> src/server/client/state/handle/active.rs:8:9
Sep 01 20:42:53.794 INFO kablam!   |
Sep 01 20:42:53.794 INFO kablam! 8 |     let mut session = client.session.expect_ready_mut()?;
Sep 01 20:42:53.794 INFO kablam!   |         ----^^^^^^^
Sep 01 20:42:53.794 INFO kablam!   |         |
Sep 01 20:42:53.794 INFO kablam!   |         help: remove this `mut`
Sep 01 20:42:53.795 INFO kablam! 
Sep 01 20:42:55.773 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.88s
Sep 01 20:42:55.781 INFO kablam! su: No module specific data is present
Sep 01 20:42:56.294 INFO running `"docker" "rm" "-f" "488dcde7d3be91e39829c01fbf4afebae94ff509572041e949129a1734658aa5"`
Sep 01 20:42:56.453 INFO blam! 488dcde7d3be91e39829c01fbf4afebae94ff509572041e949129a1734658aa5