Sep 03 17:16:10.810 INFO checking muktakosh/unicorn against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 03 17:16:10.810 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 03 17:16:10.810 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 17:16:11.046 INFO blam! 0468c2535eadba3703cd6fa72a7328d29b8e69a05615ae658c675f61a6eae19a
Sep 03 17:16:11.049 INFO running `"docker" "start" "-a" "0468c2535eadba3703cd6fa72a7328d29b8e69a05615ae658c675f61a6eae19a"`
Sep 03 17:16:12.259 INFO kablam!    Compiling libc v0.2.18
Sep 03 17:16:12.263 INFO kablam!    Compiling unicode-xid v0.0.3
Sep 03 17:16:12.270 INFO kablam!    Compiling quote v0.3.10
Sep 03 17:16:12.294 INFO kablam!     Checking unicode-normalization v0.1.3
Sep 03 17:16:12.306 INFO kablam!     Checking dtoa v0.2.2
Sep 03 17:16:12.313 INFO kablam!     Checking itoa v0.1.1
Sep 03 17:16:12.314 INFO kablam!     Checking serde v0.8.21
Sep 03 17:16:12.314 INFO kablam!    Compiling syntex_pos v0.52.0
Sep 03 17:16:13.668 INFO kablam!     Checking net2 v0.2.26
Sep 03 17:16:14.234 INFO kablam!    Compiling term v0.4.4
Sep 03 17:16:17.761 INFO kablam!     Checking miow v0.1.5
Sep 03 17:16:17.791 INFO kablam!    Compiling syn v0.10.5
Sep 03 17:16:18.579 INFO kablam!     Checking mio v0.5.1
Sep 03 17:16:21.634 INFO kablam!     Checking idna v0.1.0
Sep 03 17:16:26.583 INFO kablam!    Compiling syntex_errors v0.52.0
Sep 03 17:16:30.162 INFO kablam!     Checking url v1.2.4
Sep 03 17:16:38.725 INFO kablam!    Compiling syntex_syntax v0.52.0
Sep 03 17:16:39.852 INFO kablam!     Checking ws v0.5.3
Sep 03 17:16:40.531 INFO kablam!    Compiling serde_codegen_internals v0.11.3
Sep 03 17:16:46.287 INFO kablam!     Checking serde_json v0.8.4
Sep 03 17:17:43.059 INFO kablam!    Compiling syntex v0.52.0
Sep 03 17:17:44.617 INFO kablam!    Compiling serde_codegen v0.8.21
Sep 03 17:17:51.484 INFO kablam!    Compiling libunicorn v0.0.1 (file:///source)
Sep 03 17:17:56.022 INFO kablam! warning: variable does not need to be mutable
Sep 03 17:17:56.022 INFO kablam!   --> src/router.rs:80:21
Sep 03 17:17:56.022 INFO kablam!    |
Sep 03 17:17:56.022 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Sep 03 17:17:56.022 INFO kablam!    |                     ----^
Sep 03 17:17:56.022 INFO kablam!    |                     |
Sep 03 17:17:56.022 INFO kablam!    |                     help: remove this `mut`
Sep 03 17:17:56.022 INFO kablam!    |
Sep 03 17:17:56.022 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 17:17:56.022 INFO kablam! 
Sep 03 17:17:56.095 INFO kablam! warning: variable does not need to be mutable
Sep 03 17:17:56.095 INFO kablam!   --> src/router.rs:80:21
Sep 03 17:17:56.095 INFO kablam!    |
Sep 03 17:17:56.095 INFO kablam! 80 |         if let Some(mut t) = self.topics.get_mut(topic_id) {
Sep 03 17:17:56.095 INFO kablam!    |                     ----^
Sep 03 17:17:56.095 INFO kablam!    |                     |
Sep 03 17:17:56.095 INFO kablam!    |                     help: remove this `mut`
Sep 03 17:17:56.095 INFO kablam!    |
Sep 03 17:17:56.096 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 03 17:17:56.096 INFO kablam! 
Sep 03 17:17:56.911 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
Sep 03 17:17:56.921 INFO kablam! su: No module specific data is present
Sep 03 17:17:57.396 INFO running `"docker" "rm" "-f" "0468c2535eadba3703cd6fa72a7328d29b8e69a05615ae658c675f61a6eae19a"`
Sep 03 17:17:57.529 INFO blam! 0468c2535eadba3703cd6fa72a7328d29b8e69a05615ae658c675f61a6eae19a