Nov 28 19:34:04.919 INFO checking rmp-0.8.7 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 19:34:04.919 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 19:34:05.229 INFO [stdout] 1bfdecd2e689cd7f5bf231a4e3441950a34cc53b6d31cf4fc67defc20381a451
Nov 28 19:34:05.230 INFO running `"docker" "start" "-a" "1bfdecd2e689cd7f5bf231a4e3441950a34cc53b6d31cf4fc67defc20381a451"`
Nov 28 19:34:05.792 INFO [stderr] usermod: no changes
Nov 28 19:34:05.856 INFO [stderr]     Checking rmp v0.8.7 (/source)
Nov 28 19:34:05.857 INFO [stderr]     Checking quickcheck v0.3.2
Nov 28 19:34:06.322 INFO [stderr] warning: use of deprecated item 'decode::str::read_str_ref': useless, use `read_str_from_slice` instead
Nov 28 19:34:06.322 INFO [stderr]   --> src/decode/mod.rs:21:66
Nov 28 19:34:06.322 INFO [stderr]    |
Nov 28 19:34:06.322 INFO [stderr] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
Nov 28 19:34:06.322 INFO [stderr]    |                                                                  ^^^^^^^^^^^^
Nov 28 19:34:06.322 INFO [stderr]    |
Nov 28 19:34:06.322 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 28 19:34:06.322 INFO [stderr] 
Nov 28 19:34:06.628 INFO [stderr] warning: variable does not need to be mutable
Nov 28 19:34:06.628 INFO [stderr]    --> src/decode/str.rs:110:36
Nov 28 19:34:06.628 INFO [stderr]     |
Nov 28 19:34:06.628 INFO [stderr] 110 | pub fn read_str<'r, R>(rd: &mut R, mut buf: &'r mut [u8]) -> Result<&'r str, DecodeStringError<'r>>
Nov 28 19:34:06.628 INFO [stderr]     |                                    ----^^^
Nov 28 19:34:06.628 INFO [stderr]     |                                    |
Nov 28 19:34:06.628 INFO [stderr]     |                                    help: remove this `mut`
Nov 28 19:34:06.628 INFO [stderr]     |
Nov 28 19:34:06.628 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 19:34:06.628 INFO [stderr] 
Nov 28 19:34:10.004 INFO [stderr] warning: use of deprecated item 'decode::str::read_str_ref': useless, use `read_str_from_slice` instead
Nov 28 19:34:10.004 INFO [stderr]   --> src/decode/mod.rs:21:66
Nov 28 19:34:10.004 INFO [stderr]    |
Nov 28 19:34:10.004 INFO [stderr] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
Nov 28 19:34:10.004 INFO [stderr]    |                                                                  ^^^^^^^^^^^^
Nov 28 19:34:10.004 INFO [stderr]    |
Nov 28 19:34:10.004 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 28 19:34:10.004 INFO [stderr] 
Nov 28 19:34:10.744 INFO [stderr] warning: variable does not need to be mutable
Nov 28 19:34:10.744 INFO [stderr]    --> src/decode/str.rs:110:36
Nov 28 19:34:10.744 INFO [stderr]     |
Nov 28 19:34:10.744 INFO [stderr] 110 | pub fn read_str<'r, R>(rd: &mut R, mut buf: &'r mut [u8]) -> Result<&'r str, DecodeStringError<'r>>
Nov 28 19:34:10.744 INFO [stderr]     |                                    ----^^^
Nov 28 19:34:10.744 INFO [stderr]     |                                    |
Nov 28 19:34:10.744 INFO [stderr]     |                                    help: remove this `mut`
Nov 28 19:34:10.744 INFO [stderr]     |
Nov 28 19:34:10.744 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 19:34:10.744 INFO [stderr] 
Nov 28 19:34:12.967 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
Nov 28 19:34:12.968 INFO [stderr] su: No module specific data is present
Nov 28 19:34:13.619 INFO running `"docker" "inspect" "1bfdecd2e689cd7f5bf231a4e3441950a34cc53b6d31cf4fc67defc20381a451"`
Nov 28 19:34:13.777 INFO running `"docker" "rm" "-f" "1bfdecd2e689cd7f5bf231a4e3441950a34cc53b6d31cf4fc67defc20381a451"`
Nov 28 19:34:13.912 INFO [stdout] 1bfdecd2e689cd7f5bf231a4e3441950a34cc53b6d31cf4fc67defc20381a451