Nov 30 13:26:33.671 INFO checking variable_size_byte_writer-0.1.5 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 13:26:33.671 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 13:26:34.088 INFO [stdout] fbcaacc464b58476ce7a0ddf9184a177199933bfc6e6aee301a4b8969dfbfca5
Nov 30 13:26:34.088 INFO running `"docker" "start" "-a" "fbcaacc464b58476ce7a0ddf9184a177199933bfc6e6aee301a4b8969dfbfca5"`
Nov 30 13:26:35.012 INFO [stderr] usermod: no changes
Nov 30 13:26:35.076 INFO [stderr]     Checking typenum_loops v0.2.0
Nov 30 13:26:35.607 INFO [stderr]     Checking variable_size_byte_writer v0.1.5 (/source)
Nov 30 13:26:37.096 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:26:37.096 INFO [stderr]   --> benches/benches.rs:11:9
Nov 30 13:26:37.096 INFO [stderr]    |
Nov 30 13:26:37.096 INFO [stderr] 11 |     let mut target = std::io::Cursor::new(vec![]);
Nov 30 13:26:37.096 INFO [stderr]    |         ----^^^^^^
Nov 30 13:26:37.096 INFO [stderr]    |         |
Nov 30 13:26:37.096 INFO [stderr]    |         help: remove this `mut`
Nov 30 13:26:37.096 INFO [stderr]    |
Nov 30 13:26:37.096 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 13:26:37.096 INFO [stderr] 
Nov 30 13:26:37.108 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:26:37.108 INFO [stderr]   --> benches/benches.rs:32:9
Nov 30 13:26:37.108 INFO [stderr]    |
Nov 30 13:26:37.108 INFO [stderr] 32 |     let mut target = std::io::Cursor::new(vec![]);
Nov 30 13:26:37.108 INFO [stderr]    |         ----^^^^^^
Nov 30 13:26:37.108 INFO [stderr]    |         |
Nov 30 13:26:37.108 INFO [stderr]    |         help: remove this `mut`
Nov 30 13:26:37.108 INFO [stderr] 
Nov 30 13:26:37.108 INFO [stderr] warning: variable does not need to be mutable
Nov 30 13:26:37.108 INFO [stderr]   --> benches/benches.rs:53:9
Nov 30 13:26:37.108 INFO [stderr]    |
Nov 30 13:26:37.108 INFO [stderr] 53 |     let mut target = std::io::Cursor::new(vec![]);
Nov 30 13:26:37.108 INFO [stderr]    |         ----^^^^^^
Nov 30 13:26:37.108 INFO [stderr]    |         |
Nov 30 13:26:37.108 INFO [stderr]    |         help: remove this `mut`
Nov 30 13:26:37.108 INFO [stderr] 
Nov 30 13:26:37.152 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
Nov 30 13:26:37.156 INFO [stderr] su: No module specific data is present
Nov 30 13:26:37.752 INFO running `"docker" "inspect" "fbcaacc464b58476ce7a0ddf9184a177199933bfc6e6aee301a4b8969dfbfca5"`
Nov 30 13:26:37.928 INFO running `"docker" "rm" "-f" "fbcaacc464b58476ce7a0ddf9184a177199933bfc6e6aee301a4b8969dfbfca5"`
Nov 30 13:26:38.109 INFO [stdout] fbcaacc464b58476ce7a0ddf9184a177199933bfc6e6aee301a4b8969dfbfca5