Sep 19 16:13:49.936 INFO checking variable_size_byte_writer-0.1.5 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 16:13:49.936 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 16:13:49.936 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 19 16:13:50.056 INFO blam! 5b4432dbe95961a04e390a9ff222b1077815fff7a5497a751392e9bd3f80ecfc
Sep 19 16:13:50.058 INFO running `"docker" "start" "-a" "5b4432dbe95961a04e390a9ff222b1077815fff7a5497a751392e9bd3f80ecfc"`
Sep 19 16:13:50.986 INFO kablam! usermod: no changes
Sep 19 16:13:51.019 INFO kablam!     Checking typenum_loops v0.2.0
Sep 19 16:13:51.185 INFO kablam!     Checking variable_size_byte_writer v0.1.5 (/source)
Sep 19 16:13:51.629 INFO kablam! warning: variable does not need to be mutable
Sep 19 16:13:51.629 INFO kablam!   --> benches/benches.rs:11:9
Sep 19 16:13:51.629 INFO kablam!    |
Sep 19 16:13:51.629 INFO kablam! 11 |     let mut target = std::io::Cursor::new(vec![]);
Sep 19 16:13:51.629 INFO kablam!    |         ----^^^^^^
Sep 19 16:13:51.629 INFO kablam!    |         |
Sep 19 16:13:51.629 INFO kablam!    |         help: remove this `mut`
Sep 19 16:13:51.629 INFO kablam!    |
Sep 19 16:13:51.629 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 16:13:51.629 INFO kablam! 
Sep 19 16:13:51.630 INFO kablam! warning: variable does not need to be mutable
Sep 19 16:13:51.630 INFO kablam!   --> benches/benches.rs:32:9
Sep 19 16:13:51.630 INFO kablam!    |
Sep 19 16:13:51.630 INFO kablam! 32 |     let mut target = std::io::Cursor::new(vec![]);
Sep 19 16:13:51.630 INFO kablam!    |         ----^^^^^^
Sep 19 16:13:51.631 INFO kablam!    |         |
Sep 19 16:13:51.631 INFO kablam!    |         help: remove this `mut`
Sep 19 16:13:51.631 INFO kablam! 
Sep 19 16:13:51.632 INFO kablam! warning: variable does not need to be mutable
Sep 19 16:13:51.632 INFO kablam!   --> benches/benches.rs:53:9
Sep 19 16:13:51.632 INFO kablam!    |
Sep 19 16:13:51.632 INFO kablam! 53 |     let mut target = std::io::Cursor::new(vec![]);
Sep 19 16:13:51.632 INFO kablam!    |         ----^^^^^^
Sep 19 16:13:51.632 INFO kablam!    |         |
Sep 19 16:13:51.632 INFO kablam!    |         help: remove this `mut`
Sep 19 16:13:51.632 INFO kablam! 
Sep 19 16:13:51.722 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Sep 19 16:13:51.722 INFO kablam! su: No module specific data is present
Sep 19 16:13:52.446 INFO running `"docker" "rm" "-f" "5b4432dbe95961a04e390a9ff222b1077815fff7a5497a751392e9bd3f80ecfc"`
Sep 19 16:13:52.520 INFO blam! 5b4432dbe95961a04e390a9ff222b1077815fff7a5497a751392e9bd3f80ecfc