Dec 07 02:03:42.686 INFO testing rmp-0.8.7 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 02:03:42.686 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 02:03:43.136 INFO [stdout] 6837acdc36085cf09ddd72e1972c3350ff51153480ea197674c4a73034db7b49
Dec 07 02:03:43.138 INFO running `"docker" "start" "-a" "6837acdc36085cf09ddd72e1972c3350ff51153480ea197674c4a73034db7b49"`
Dec 07 02:03:44.448 INFO [stderr] usermod: no changes
Dec 07 02:03:44.547 INFO [stderr]    Compiling rmp v0.8.7 (/source)
Dec 07 02:03:45.104 INFO [stderr] warning: use of deprecated item 'decode::str::read_str_ref': useless, use `read_str_from_slice` instead
Dec 07 02:03:45.104 INFO [stderr]   --> src/decode/mod.rs:21:66
Dec 07 02:03:45.104 INFO [stderr]    |
Dec 07 02:03:45.104 INFO [stderr] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
Dec 07 02:03:45.104 INFO [stderr]    |                                                                  ^^^^^^^^^^^^
Dec 07 02:03:45.104 INFO [stderr]    |
Dec 07 02:03:45.104 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 07 02:03:45.104 INFO [stderr] 
Dec 07 02:03:45.376 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:03:45.376 INFO [stderr]    --> src/decode/str.rs:110:36
Dec 07 02:03:45.376 INFO [stderr]     |
Dec 07 02:03:45.376 INFO [stderr] 110 | pub fn read_str<'r, R>(rd: &mut R, mut buf: &'r mut [u8]) -> Result<&'r str, DecodeStringError<'r>>
Dec 07 02:03:45.376 INFO [stderr]     |                                    ----^^^
Dec 07 02:03:45.376 INFO [stderr]     |                                    |
Dec 07 02:03:45.376 INFO [stderr]     |                                    help: remove this `mut`
Dec 07 02:03:45.376 INFO [stderr]     |
Dec 07 02:03:45.376 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 02:03:45.376 INFO [stderr] 
Dec 07 02:03:45.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Dec 07 02:03:45.779 INFO [stderr] su: No module specific data is present
Dec 07 02:03:46.400 INFO running `"docker" "inspect" "6837acdc36085cf09ddd72e1972c3350ff51153480ea197674c4a73034db7b49"`
Dec 07 02:03:46.642 INFO running `"docker" "rm" "-f" "6837acdc36085cf09ddd72e1972c3350ff51153480ea197674c4a73034db7b49"`
Dec 07 02:03:46.942 INFO [stdout] 6837acdc36085cf09ddd72e1972c3350ff51153480ea197674c4a73034db7b49
Dec 07 02:03:46.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 02:03:47.444 INFO [stdout] 65f80733f8589fdd4f9a98f64e77764801b20a0367e3ea6ab94c46d6bd537ff9
Dec 07 02:03:47.448 INFO running `"docker" "start" "-a" "65f80733f8589fdd4f9a98f64e77764801b20a0367e3ea6ab94c46d6bd537ff9"`
Dec 07 02:03:48.640 INFO [stderr] usermod: no changes
Dec 07 02:03:48.738 INFO [stderr]    Compiling rmp v0.8.7 (/source)
Dec 07 02:03:49.616 INFO [stderr] warning: use of deprecated item 'decode::str::read_str_ref': useless, use `read_str_from_slice` instead
Dec 07 02:03:49.618 INFO [stderr]   --> src/decode/mod.rs:21:66
Dec 07 02:03:49.618 INFO [stderr]    |
Dec 07 02:03:49.618 INFO [stderr] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
Dec 07 02:03:49.618 INFO [stderr]    |                                                                  ^^^^^^^^^^^^
Dec 07 02:03:49.618 INFO [stderr]    |
Dec 07 02:03:49.618 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 07 02:03:49.618 INFO [stderr] 
Dec 07 02:03:50.008 INFO [stderr] warning: variable does not need to be mutable
Dec 07 02:03:50.008 INFO [stderr]    --> src/decode/str.rs:110:36
Dec 07 02:03:50.008 INFO [stderr]     |
Dec 07 02:03:50.008 INFO [stderr] 110 | pub fn read_str<'r, R>(rd: &mut R, mut buf: &'r mut [u8]) -> Result<&'r str, DecodeStringError<'r>>
Dec 07 02:03:50.008 INFO [stderr]     |                                    ----^^^
Dec 07 02:03:50.008 INFO [stderr]     |                                    |
Dec 07 02:03:50.008 INFO [stderr]     |                                    help: remove this `mut`
Dec 07 02:03:50.008 INFO [stderr]     |
Dec 07 02:03:50.008 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 02:03:50.008 INFO [stderr] 
Dec 07 02:03:55.464 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
Dec 07 02:03:55.468 INFO [stderr] su: No module specific data is present
Dec 07 02:03:56.184 INFO running `"docker" "inspect" "65f80733f8589fdd4f9a98f64e77764801b20a0367e3ea6ab94c46d6bd537ff9"`
Dec 07 02:03:56.488 INFO running `"docker" "rm" "-f" "65f80733f8589fdd4f9a98f64e77764801b20a0367e3ea6ab94c46d6bd537ff9"`
Dec 07 02:03:56.737 INFO [stdout] 65f80733f8589fdd4f9a98f64e77764801b20a0367e3ea6ab94c46d6bd537ff9