Dec 12 01:23:48.867 INFO checking MindBuffer/osc_to_beyond against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:23:48.867 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 01:23:49.132 INFO [stdout] 426ce7346d6ce3f445bd911ff41388991e7f0f32f11ebea01f5d01f39da1c584
Dec 12 01:23:49.134 INFO running `"docker" "start" "-a" "426ce7346d6ce3f445bd911ff41388991e7f0f32f11ebea01f5d01f39da1c584"`
Dec 12 01:23:49.745 INFO [stderr] usermod: no changes
Dec 12 01:23:49.824 INFO [stderr]    Compiling libloading v0.4.0
Dec 12 01:23:52.278 INFO [stderr]     Checking pangolin v0.1.0 (/source/pangolin)
Dec 12 01:23:52.902 INFO [stderr]     Checking osc_to_beyond v0.1.0 (/source)
Dec 12 01:23:53.896 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:23:53.897 INFO [stderr]    --> src/main.rs:158:17
Dec 12 01:23:53.897 INFO [stderr]     |
Dec 12 01:23:53.897 INFO [stderr] 158 |             let mut layer = layer_map.entry(message.addr.clone()).or_insert(Layer::default());
Dec 12 01:23:53.898 INFO [stderr]     |                 ----^^^^^
Dec 12 01:23:53.898 INFO [stderr]     |                 |
Dec 12 01:23:53.898 INFO [stderr]     |                 help: remove this `mut`
Dec 12 01:23:53.898 INFO [stderr]     |
Dec 12 01:23:53.899 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 01:23:53.899 INFO [stderr] 
Dec 12 01:23:53.899 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:23:53.899 INFO [stderr]    --> src/main.rs:165:21
Dec 12 01:23:53.900 INFO [stderr]     |
Dec 12 01:23:53.900 INFO [stderr] 165 |                 let mut blob_chunks = layer.blob_map.entry(time_stamp).or_insert(Vec::new());
Dec 12 01:23:53.900 INFO [stderr]     |                     ----^^^^^^^^^^^
Dec 12 01:23:53.900 INFO [stderr]     |                     |
Dec 12 01:23:53.901 INFO [stderr]     |                     help: remove this `mut`
Dec 12 01:23:53.901 INFO [stderr] 
Dec 12 01:23:54.105 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:23:54.105 INFO [stderr]    --> src/main.rs:158:17
Dec 12 01:23:54.105 INFO [stderr]     |
Dec 12 01:23:54.106 INFO [stderr] 158 |             let mut layer = layer_map.entry(message.addr.clone()).or_insert(Layer::default());
Dec 12 01:23:54.106 INFO [stderr]     |                 ----^^^^^
Dec 12 01:23:54.106 INFO [stderr]     |                 |
Dec 12 01:23:54.106 INFO [stderr]     |                 help: remove this `mut`
Dec 12 01:23:54.107 INFO [stderr]     |
Dec 12 01:23:54.107 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 01:23:54.107 INFO [stderr] 
Dec 12 01:23:54.107 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:23:54.107 INFO [stderr]    --> src/main.rs:165:21
Dec 12 01:23:54.108 INFO [stderr]     |
Dec 12 01:23:54.108 INFO [stderr] 165 |                 let mut blob_chunks = layer.blob_map.entry(time_stamp).or_insert(Vec::new());
Dec 12 01:23:54.108 INFO [stderr]     |                     ----^^^^^^^^^^^
Dec 12 01:23:54.108 INFO [stderr]     |                     |
Dec 12 01:23:54.109 INFO [stderr]     |                     help: remove this `mut`
Dec 12 01:23:54.109 INFO [stderr] 
Dec 12 01:23:54.149 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
Dec 12 01:23:54.152 INFO [stderr] su: No module specific data is present
Dec 12 01:23:55.025 INFO running `"docker" "inspect" "426ce7346d6ce3f445bd911ff41388991e7f0f32f11ebea01f5d01f39da1c584"`
Dec 12 01:23:55.332 INFO running `"docker" "rm" "-f" "426ce7346d6ce3f445bd911ff41388991e7f0f32f11ebea01f5d01f39da1c584"`
Dec 12 01:23:55.600 INFO [stdout] 426ce7346d6ce3f445bd911ff41388991e7f0f32f11ebea01f5d01f39da1c584