Sep 14 06:58:37.128 INFO checking variable_size_byte_writer-0.1.5 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 06:58:37.128 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 06:58:37.128 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 06:58:37.278 INFO blam! d9cc415cf702032cf033c1bb8521c0a215de6f3fd4df03ef98564571162cf02e
Sep 14 06:58:37.282 INFO running `"docker" "start" "-a" "d9cc415cf702032cf033c1bb8521c0a215de6f3fd4df03ef98564571162cf02e"`
Sep 14 06:58:38.035 INFO kablam! usermod: no changes
Sep 14 06:58:38.070 INFO kablam!     Checking typenum_loops v0.2.0
Sep 14 06:58:38.281 INFO kablam!     Checking variable_size_byte_writer v0.1.5 (file:///source)
Sep 14 06:58:38.760 INFO kablam! warning: variable does not need to be mutable
Sep 14 06:58:38.760 INFO kablam!   --> benches/benches.rs:11:9
Sep 14 06:58:38.760 INFO kablam!    |
Sep 14 06:58:38.760 INFO kablam! 11 |     let mut target = std::io::Cursor::new(vec![]);
Sep 14 06:58:38.760 INFO kablam!    |         ----^^^^^^
Sep 14 06:58:38.760 INFO kablam!    |         |
Sep 14 06:58:38.760 INFO kablam!    |         help: remove this `mut`
Sep 14 06:58:38.760 INFO kablam!    |
Sep 14 06:58:38.760 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 06:58:38.760 INFO kablam! 
Sep 14 06:58:38.761 INFO kablam! warning: variable does not need to be mutable
Sep 14 06:58:38.761 INFO kablam!   --> benches/benches.rs:32:9
Sep 14 06:58:38.761 INFO kablam!    |
Sep 14 06:58:38.761 INFO kablam! 32 |     let mut target = std::io::Cursor::new(vec![]);
Sep 14 06:58:38.761 INFO kablam!    |         ----^^^^^^
Sep 14 06:58:38.761 INFO kablam!    |         |
Sep 14 06:58:38.761 INFO kablam!    |         help: remove this `mut`
Sep 14 06:58:38.761 INFO kablam! 
Sep 14 06:58:38.762 INFO kablam! warning: variable does not need to be mutable
Sep 14 06:58:38.762 INFO kablam!   --> benches/benches.rs:53:9
Sep 14 06:58:38.762 INFO kablam!    |
Sep 14 06:58:38.762 INFO kablam! 53 |     let mut target = std::io::Cursor::new(vec![]);
Sep 14 06:58:38.762 INFO kablam!    |         ----^^^^^^
Sep 14 06:58:38.762 INFO kablam!    |         |
Sep 14 06:58:38.762 INFO kablam!    |         help: remove this `mut`
Sep 14 06:58:38.762 INFO kablam! 
Sep 14 06:58:38.817 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Sep 14 06:58:38.819 INFO kablam! su: No module specific data is present
Sep 14 06:58:39.602 INFO running `"docker" "rm" "-f" "d9cc415cf702032cf033c1bb8521c0a215de6f3fd4df03ef98564571162cf02e"`
Sep 14 06:58:39.670 INFO blam! d9cc415cf702032cf033c1bb8521c0a215de6f3fd4df03ef98564571162cf02e