Nov 01 14:18:24.967 INFO checking variable_size_byte_writer-0.1.5 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 14:18:24.967 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Nov 01 14:18:25.390 INFO blam! b0b16502c59f78cbf9a39442af3ba952463ef18793509134837c8303479dc21b
Nov 01 14:18:25.391 INFO running `"docker" "start" "-a" "b0b16502c59f78cbf9a39442af3ba952463ef18793509134837c8303479dc21b"`
Nov 01 14:18:25.829 INFO kablam! usermod: no changes
Nov 01 14:18:25.873 INFO kablam!     Checking typenum_loops v0.2.0
Nov 01 14:18:26.400 INFO kablam!     Checking variable_size_byte_writer v0.1.5 (/source)
Nov 01 14:18:27.832 INFO kablam! warning: variable does not need to be mutable
Nov 01 14:18:27.832 INFO kablam!   --> benches/benches.rs:11:9
Nov 01 14:18:27.832 INFO kablam!    |
Nov 01 14:18:27.832 INFO kablam! 11 |     let mut target = std::io::Cursor::new(vec![]);
Nov 01 14:18:27.832 INFO kablam!    |         ----^^^^^^
Nov 01 14:18:27.832 INFO kablam!    |         |
Nov 01 14:18:27.832 INFO kablam!    |         help: remove this `mut`
Nov 01 14:18:27.832 INFO kablam!    |
Nov 01 14:18:27.832 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 14:18:27.832 INFO kablam! 
Nov 01 14:18:27.836 INFO kablam! warning: variable does not need to be mutable
Nov 01 14:18:27.836 INFO kablam!   --> benches/benches.rs:32:9
Nov 01 14:18:27.836 INFO kablam!    |
Nov 01 14:18:27.836 INFO kablam! 32 |     let mut target = std::io::Cursor::new(vec![]);
Nov 01 14:18:27.836 INFO kablam!    |         ----^^^^^^
Nov 01 14:18:27.836 INFO kablam!    |         |
Nov 01 14:18:27.836 INFO kablam!    |         help: remove this `mut`
Nov 01 14:18:27.836 INFO kablam! 
Nov 01 14:18:27.844 INFO kablam! warning: variable does not need to be mutable
Nov 01 14:18:27.844 INFO kablam!   --> benches/benches.rs:53:9
Nov 01 14:18:27.844 INFO kablam!    |
Nov 01 14:18:27.844 INFO kablam! 53 |     let mut target = std::io::Cursor::new(vec![]);
Nov 01 14:18:27.844 INFO kablam!    |         ----^^^^^^
Nov 01 14:18:27.844 INFO kablam!    |         |
Nov 01 14:18:27.844 INFO kablam!    |         help: remove this `mut`
Nov 01 14:18:27.844 INFO kablam! 
Nov 01 14:18:27.880 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
Nov 01 14:18:27.885 INFO kablam! su: No module specific data is present
Nov 01 14:18:28.328 INFO running `"docker" "rm" "-f" "b0b16502c59f78cbf9a39442af3ba952463ef18793509134837c8303479dc21b"`
Nov 01 14:18:28.467 INFO blam! b0b16502c59f78cbf9a39442af3ba952463ef18793509134837c8303479dc21b