Dec 07 02:03:39.077 INFO testing rmp-0.8.7 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 02:03:39.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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"`
Dec 07 02:03:39.486 INFO [stdout] 3d78dc46af82af1cba8f5e59a340e92aa1ec70d50d7d5447e2856897cbc7dd47
Dec 07 02:03:39.487 INFO running `"docker" "start" "-a" "3d78dc46af82af1cba8f5e59a340e92aa1ec70d50d7d5447e2856897cbc7dd47"`
Dec 07 02:03:40.807 INFO [stderr] usermod: no changes
Dec 07 02:03:40.944 INFO [stderr]    Compiling rmp v0.8.7 (/source)
Dec 07 02:03:41.500 INFO [stderr] warning: use of deprecated item 'decode::str::read_str_ref': useless, use `read_str_from_slice` instead
Dec 07 02:03:41.500 INFO [stderr]   --> src/decode/mod.rs:21:66
Dec 07 02:03:41.500 INFO [stderr]    |
Dec 07 02:03:41.500 INFO [stderr] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
Dec 07 02:03:41.500 INFO [stderr]    |                                                                  ^^^^^^^^^^^^
Dec 07 02:03:41.500 INFO [stderr]    |
Dec 07 02:03:41.500 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 07 02:03:41.500 INFO [stderr] 
Dec 07 02:03:41.792 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:03:41.792 INFO [stderr]    --> src/decode/str.rs:110:36
Dec 07 02:03:41.792 INFO [stderr]     |
Dec 07 02:03:41.792 INFO [stderr] 110 | pub fn read_str<'r, R>(rd: &mut R, mut buf: &'r mut [u8]) -> Result<&'r str, DecodeStringError<'r>>
Dec 07 02:03:41.792 INFO [stderr]     |                                    ----^^^
Dec 07 02:03:41.792 INFO [stderr]     |                                    |
Dec 07 02:03:41.792 INFO [stderr]     |                                    help: remove this `mut`
Dec 07 02:03:41.792 INFO [stderr]     |
Dec 07 02:03:41.792 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 02:03:41.792 INFO [stderr] 
Dec 07 02:03:42.143 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Dec 07 02:03:42.143 INFO [stderr] su: No module specific data is present
Dec 07 02:03:43.142 INFO running `"docker" "inspect" "3d78dc46af82af1cba8f5e59a340e92aa1ec70d50d7d5447e2856897cbc7dd47"`
Dec 07 02:03:43.480 INFO running `"docker" "rm" "-f" "3d78dc46af82af1cba8f5e59a340e92aa1ec70d50d7d5447e2856897cbc7dd47"`
Dec 07 02:03:43.780 INFO [stdout] 3d78dc46af82af1cba8f5e59a340e92aa1ec70d50d7d5447e2856897cbc7dd47
Dec 07 02:03:43.786 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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"`
Dec 07 02:03:44.164 INFO [stdout] e1959f2dfb4086cbd76946676f0cef740e5df9a16176dc2ed8a170eff1ce184b
Dec 07 02:03:44.166 INFO running `"docker" "start" "-a" "e1959f2dfb4086cbd76946676f0cef740e5df9a16176dc2ed8a170eff1ce184b"`
Dec 07 02:03:45.780 INFO [stderr] usermod: no changes
Dec 07 02:03:45.881 INFO [stderr]    Compiling rmp v0.8.7 (/source)
Dec 07 02:03:46.686 INFO [stderr] warning: use of deprecated item 'decode::str::read_str_ref': useless, use `read_str_from_slice` instead
Dec 07 02:03:46.687 INFO [stderr]   --> src/decode/mod.rs:21:66
Dec 07 02:03:46.687 INFO [stderr]    |
Dec 07 02:03:46.687 INFO [stderr] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
Dec 07 02:03:46.687 INFO [stderr]    |                                                                  ^^^^^^^^^^^^
Dec 07 02:03:46.687 INFO [stderr]    |
Dec 07 02:03:46.687 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 07 02:03:46.687 INFO [stderr] 
Dec 07 02:03:47.120 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:03:47.120 INFO [stderr]    --> src/decode/str.rs:110:36
Dec 07 02:03:47.120 INFO [stderr]     |
Dec 07 02:03:47.120 INFO [stderr] 110 | pub fn read_str<'r, R>(rd: &mut R, mut buf: &'r mut [u8]) -> Result<&'r str, DecodeStringError<'r>>
Dec 07 02:03:47.120 INFO [stderr]     |                                    ----^^^
Dec 07 02:03:47.120 INFO [stderr]     |                                    |
Dec 07 02:03:47.120 INFO [stderr]     |                                    help: remove this `mut`
Dec 07 02:03:47.120 INFO [stderr]     |
Dec 07 02:03:47.120 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 02:03:47.120 INFO [stderr] 
Dec 07 02:03:51.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
Dec 07 02:03:51.665 INFO [stderr] su: No module specific data is present
Dec 07 02:03:52.584 INFO running `"docker" "inspect" "e1959f2dfb4086cbd76946676f0cef740e5df9a16176dc2ed8a170eff1ce184b"`
Dec 07 02:03:52.860 INFO running `"docker" "rm" "-f" "e1959f2dfb4086cbd76946676f0cef740e5df9a16176dc2ed8a170eff1ce184b"`
Dec 07 02:03:53.140 INFO [stdout] e1959f2dfb4086cbd76946676f0cef740e5df9a16176dc2ed8a170eff1ce184b