Nov 30 17:01:38.367 INFO checking rmp-0.8.7 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 17:01:38.367 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 17:01:38.913 INFO [stdout] 56fb2adf5894d09b9e55cc37af3cc4395ca88e3f2299b5dac83dff05be4e79f6
Nov 30 17:01:38.918 INFO running `"docker" "start" "-a" "56fb2adf5894d09b9e55cc37af3cc4395ca88e3f2299b5dac83dff05be4e79f6"`
Nov 30 17:01:39.985 INFO [stderr] usermod: no changes
Nov 30 17:01:40.086 INFO [stderr]     Checking rmp v0.8.7 (/source)
Nov 30 17:01:40.668 INFO [stderr] warning: use of deprecated item 'decode::str::read_str_ref': useless, use `read_str_from_slice` instead
Nov 30 17:01:40.668 INFO [stderr]   --> src/decode/mod.rs:21:66
Nov 30 17:01:40.668 INFO [stderr]    |
Nov 30 17:01:40.668 INFO [stderr] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
Nov 30 17:01:40.668 INFO [stderr]    |                                                                  ^^^^^^^^^^^^
Nov 30 17:01:40.668 INFO [stderr]    |
Nov 30 17:01:40.668 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 30 17:01:40.668 INFO [stderr] 
Nov 30 17:01:40.864 INFO [stderr] warning: use of deprecated item 'decode::str::read_str_ref': useless, use `read_str_from_slice` instead
Nov 30 17:01:40.864 INFO [stderr]   --> src/decode/mod.rs:21:66
Nov 30 17:01:40.864 INFO [stderr]    |
Nov 30 17:01:40.864 INFO [stderr] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
Nov 30 17:01:40.864 INFO [stderr]    |                                                                  ^^^^^^^^^^^^
Nov 30 17:01:40.864 INFO [stderr]    |
Nov 30 17:01:40.864 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 30 17:01:40.864 INFO [stderr] 
Nov 30 17:01:40.964 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:01:40.964 INFO [stderr]    --> src/decode/str.rs:110:36
Nov 30 17:01:40.964 INFO [stderr]     |
Nov 30 17:01:40.964 INFO [stderr] 110 | pub fn read_str<'r, R>(rd: &mut R, mut buf: &'r mut [u8]) -> Result<&'r str, DecodeStringError<'r>>
Nov 30 17:01:40.964 INFO [stderr]     |                                    ----^^^
Nov 30 17:01:40.964 INFO [stderr]     |                                    |
Nov 30 17:01:40.964 INFO [stderr]     |                                    help: remove this `mut`
Nov 30 17:01:40.964 INFO [stderr]     |
Nov 30 17:01:40.964 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 17:01:40.964 INFO [stderr] 
Nov 30 17:01:41.172 INFO [stderr] warning: variable does not need to be mutable
Nov 30 17:01:41.173 INFO [stderr]    --> src/decode/str.rs:110:36
Nov 30 17:01:41.173 INFO [stderr]     |
Nov 30 17:01:41.173 INFO [stderr] 110 | pub fn read_str<'r, R>(rd: &mut R, mut buf: &'r mut [u8]) -> Result<&'r str, DecodeStringError<'r>>
Nov 30 17:01:41.173 INFO [stderr]     |                                    ----^^^
Nov 30 17:01:41.173 INFO [stderr]     |                                    |
Nov 30 17:01:41.173 INFO [stderr]     |                                    help: remove this `mut`
Nov 30 17:01:41.173 INFO [stderr]     |
Nov 30 17:01:41.174 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 17:01:41.174 INFO [stderr] 
Nov 30 17:01:44.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
Nov 30 17:01:44.370 INFO [stderr] su: No module specific data is present
Nov 30 17:01:45.338 INFO running `"docker" "inspect" "56fb2adf5894d09b9e55cc37af3cc4395ca88e3f2299b5dac83dff05be4e79f6"`
Nov 30 17:01:45.640 INFO running `"docker" "rm" "-f" "56fb2adf5894d09b9e55cc37af3cc4395ca88e3f2299b5dac83dff05be4e79f6"`
Nov 30 17:01:45.998 INFO [stdout] 56fb2adf5894d09b9e55cc37af3cc4395ca88e3f2299b5dac83dff05be4e79f6