Dec 07 07:14:25.400 INFO testing mio-utun-0.6.19 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 07:14:25.400 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 07:14:25.592 INFO [stdout] 12d3c92d4969e167922d0cf640ed0fa61c2c9427dbfd1ff9ba815aa5ee38d675
Dec 07 07:14:25.595 INFO running `"docker" "start" "-a" "12d3c92d4969e167922d0cf640ed0fa61c2c9427dbfd1ff9ba815aa5ee38d675"`
Dec 07 07:14:25.989 INFO [stderr] usermod: no changes
Dec 07 07:14:26.083 INFO [stderr]    Compiling mio-utun v0.6.19 (/source)
Dec 07 07:14:27.348 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Dec 07 07:14:27.352 INFO [stderr] su: No module specific data is present
Dec 07 07:14:27.637 INFO running `"docker" "inspect" "12d3c92d4969e167922d0cf640ed0fa61c2c9427dbfd1ff9ba815aa5ee38d675"`
Dec 07 07:14:27.711 INFO running `"docker" "rm" "-f" "12d3c92d4969e167922d0cf640ed0fa61c2c9427dbfd1ff9ba815aa5ee38d675"`
Dec 07 07:14:27.772 INFO [stdout] 12d3c92d4969e167922d0cf640ed0fa61c2c9427dbfd1ff9ba815aa5ee38d675
Dec 07 07:14:27.780 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 07:14:27.984 INFO [stdout] 4eb814a33922292d182914779d6274d26534ce03cd72d061ef5fde5bb90ddc88
Dec 07 07:14:27.986 INFO running `"docker" "start" "-a" "4eb814a33922292d182914779d6274d26534ce03cd72d061ef5fde5bb90ddc88"`
Dec 07 07:14:28.432 INFO [stderr] usermod: no changes
Dec 07 07:14:28.508 INFO [stderr]    Compiling mio-utun v0.6.19 (/source)
Dec 07 07:14:30.003 INFO [stderr] warning: unused import: `Write`
Dec 07 07:14:30.003 INFO [stderr]  --> tests/echo.rs:4:21
Dec 07 07:14:30.003 INFO [stderr]   |
Dec 07 07:14:30.003 INFO [stderr] 4 | use std::io::{self, Write, Read};
Dec 07 07:14:30.003 INFO [stderr]   |                     ^^^^^
Dec 07 07:14:30.003 INFO [stderr]   |
Dec 07 07:14:30.003 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 07:14:30.003 INFO [stderr] 
Dec 07 07:14:30.003 INFO [stderr] warning: unused import: `std::io::ErrorKind::WouldBlock`
Dec 07 07:14:30.003 INFO [stderr]  --> tests/echo.rs:5:5
Dec 07 07:14:30.003 INFO [stderr]   |
Dec 07 07:14:30.003 INFO [stderr] 5 | use std::io::ErrorKind::WouldBlock;
Dec 07 07:14:30.003 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 07:14:30.003 INFO [stderr] 
Dec 07 07:14:30.003 INFO [stderr] warning: unused macro definition
Dec 07 07:14:30.003 INFO [stderr]   --> tests/echo.rs:10:1
Dec 07 07:14:30.003 INFO [stderr]    |
Dec 07 07:14:30.003 INFO [stderr] 10 | / macro_rules! t {
Dec 07 07:14:30.003 INFO [stderr] 11 | |     ($e:expr) => (match $e {
Dec 07 07:14:30.003 INFO [stderr] 12 | |         Ok(e) => e,
Dec 07 07:14:30.003 INFO [stderr] 13 | |         Err(e) => panic!("{} failed with {}", stringify!($e), e),
Dec 07 07:14:30.003 INFO [stderr] 14 | |     })
Dec 07 07:14:30.003 INFO [stderr] 15 | | }
Dec 07 07:14:30.003 INFO [stderr]    | |_^
Dec 07 07:14:30.003 INFO [stderr]    |
Dec 07 07:14:30.003 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 07 07:14:30.003 INFO [stderr] 
Dec 07 07:14:30.116 INFO [stderr] warning: constant item is never used: `SERVER`
Dec 07 07:14:30.116 INFO [stderr]   --> tests/echo.rs:19:5
Dec 07 07:14:30.116 INFO [stderr]    |
Dec 07 07:14:30.116 INFO [stderr] 19 |     const SERVER: Token = Token(0);
Dec 07 07:14:30.116 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 07:14:30.116 INFO [stderr]    |
Dec 07 07:14:30.116 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 07:14:30.116 INFO [stderr] 
Dec 07 07:14:31.117 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
Dec 07 07:14:31.124 INFO [stderr] su: No module specific data is present
Dec 07 07:14:31.782 INFO running `"docker" "inspect" "4eb814a33922292d182914779d6274d26534ce03cd72d061ef5fde5bb90ddc88"`
Dec 07 07:14:32.118 INFO running `"docker" "rm" "-f" "4eb814a33922292d182914779d6274d26534ce03cd72d061ef5fde5bb90ddc88"`
Dec 07 07:14:32.479 INFO [stdout] 4eb814a33922292d182914779d6274d26534ce03cd72d061ef5fde5bb90ddc88