Dec 12 08:59:23.214 INFO checking rmp-0.8.7 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 08:59:23.214 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 08:59:23.626 INFO [stdout] 8ca3204e6f11d1f3b5573523d94dfa9fcdb47f3915564ac1d6a33bee637c72fd
Dec 12 08:59:23.633 INFO running `"docker" "start" "-a" "8ca3204e6f11d1f3b5573523d94dfa9fcdb47f3915564ac1d6a33bee637c72fd"`
Dec 12 08:59:24.316 INFO [stderr] usermod: no changes
Dec 12 08:59:24.408 INFO [stderr]     Checking rmp v0.8.7 (/source)
Dec 12 08:59:24.980 INFO [stderr] warning: use of deprecated item 'decode::str::read_str_ref': useless, use `read_str_from_slice` instead
Dec 12 08:59:24.980 INFO [stderr]   --> src/decode/mod.rs:21:66
Dec 12 08:59:24.980 INFO [stderr]    |
Dec 12 08:59:24.980 INFO [stderr] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
Dec 12 08:59:24.980 INFO [stderr]    |                                                                  ^^^^^^^^^^^^
Dec 12 08:59:24.980 INFO [stderr]    |
Dec 12 08:59:24.980 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 12 08:59:24.980 INFO [stderr] 
Dec 12 08:59:24.984 INFO [stderr] warning: use of deprecated item 'decode::str::read_str_ref': useless, use `read_str_from_slice` instead
Dec 12 08:59:24.984 INFO [stderr]   --> src/decode/mod.rs:21:66
Dec 12 08:59:24.984 INFO [stderr]    |
Dec 12 08:59:24.984 INFO [stderr] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
Dec 12 08:59:24.984 INFO [stderr]    |                                                                  ^^^^^^^^^^^^
Dec 12 08:59:24.984 INFO [stderr]    |
Dec 12 08:59:24.984 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 12 08:59:24.984 INFO [stderr] 
Dec 12 08:59:25.212 INFO [stderr] warning: unreachable pattern
Dec 12 08:59:25.212 INFO [stderr]   --> src/marker.rs:89:13
Dec 12 08:59:25.212 INFO [stderr]    |
Dec 12 08:59:25.212 INFO [stderr] 89 |             _ => unreachable!(),
Dec 12 08:59:25.212 INFO [stderr]    |             ^
Dec 12 08:59:25.212 INFO [stderr]    |
Dec 12 08:59:25.212 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 12 08:59:25.212 INFO [stderr] 
Dec 12 08:59:25.240 INFO [stderr] warning: unreachable pattern
Dec 12 08:59:25.240 INFO [stderr]   --> src/marker.rs:89:13
Dec 12 08:59:25.240 INFO [stderr]    |
Dec 12 08:59:25.240 INFO [stderr] 89 |             _ => unreachable!(),
Dec 12 08:59:25.240 INFO [stderr]    |             ^
Dec 12 08:59:25.240 INFO [stderr]    |
Dec 12 08:59:25.240 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 12 08:59:25.240 INFO [stderr] 
Dec 12 08:59:25.275 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:59:25.276 INFO [stderr]    --> src/decode/str.rs:110:36
Dec 12 08:59:25.276 INFO [stderr]     |
Dec 12 08:59:25.276 INFO [stderr] 110 | pub fn read_str<'r, R>(rd: &mut R, mut buf: &'r mut [u8]) -> Result<&'r str, DecodeStringError<'r>>
Dec 12 08:59:25.276 INFO [stderr]     |                                    ----^^^
Dec 12 08:59:25.276 INFO [stderr]     |                                    |
Dec 12 08:59:25.276 INFO [stderr]     |                                    help: remove this `mut`
Dec 12 08:59:25.276 INFO [stderr]     |
Dec 12 08:59:25.280 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 08:59:25.280 INFO [stderr] 
Dec 12 08:59:25.334 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:59:25.334 INFO [stderr]    --> src/decode/str.rs:110:36
Dec 12 08:59:25.334 INFO [stderr]     |
Dec 12 08:59:25.335 INFO [stderr] 110 | pub fn read_str<'r, R>(rd: &mut R, mut buf: &'r mut [u8]) -> Result<&'r str, DecodeStringError<'r>>
Dec 12 08:59:25.335 INFO [stderr]     |                                    ----^^^
Dec 12 08:59:25.335 INFO [stderr]     |                                    |
Dec 12 08:59:25.335 INFO [stderr]     |                                    help: remove this `mut`
Dec 12 08:59:25.336 INFO [stderr]     |
Dec 12 08:59:25.336 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 08:59:25.336 INFO [stderr] 
Dec 12 08:59:28.997 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
Dec 12 08:59:29.017 INFO [stderr] su: No module specific data is present
Dec 12 08:59:29.570 INFO running `"docker" "inspect" "8ca3204e6f11d1f3b5573523d94dfa9fcdb47f3915564ac1d6a33bee637c72fd"`
Dec 12 08:59:29.982 INFO running `"docker" "rm" "-f" "8ca3204e6f11d1f3b5573523d94dfa9fcdb47f3915564ac1d6a33bee637c72fd"`
Dec 12 08:59:30.258 INFO [stdout] 8ca3204e6f11d1f3b5573523d94dfa9fcdb47f3915564ac1d6a33bee637c72fd