Nov 28 22:01:57.829 INFO checking mio-utun-0.6.19 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 22:01:57.830 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 22:01:58.080 INFO [stdout] ff943466885803a74e5f89563c3ba34b2375ea44388505cc312dd3abe3f23f45
Nov 28 22:01:58.082 INFO running `"docker" "start" "-a" "ff943466885803a74e5f89563c3ba34b2375ea44388505cc312dd3abe3f23f45"`
Nov 28 22:01:58.840 INFO [stderr] usermod: no changes
Nov 28 22:01:58.960 INFO [stderr]     Checking mio-utun v0.6.19 (/source)
Nov 28 22:02:02.000 INFO [stderr] warning: unused import: `Write`
Nov 28 22:02:02.001 INFO [stderr]  --> tests/echo.rs:4:21
Nov 28 22:02:02.001 INFO [stderr]   |
Nov 28 22:02:02.001 INFO [stderr] 4 | use std::io::{self, Write, Read};
Nov 28 22:02:02.002 INFO [stderr]   |                     ^^^^^
Nov 28 22:02:02.002 INFO [stderr]   |
Nov 28 22:02:02.002 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 22:02:02.003 INFO [stderr] 
Nov 28 22:02:02.003 INFO [stderr] warning: unused import: `std::io::ErrorKind::WouldBlock`
Nov 28 22:02:02.003 INFO [stderr]  --> tests/echo.rs:5:5
Nov 28 22:02:02.004 INFO [stderr]   |
Nov 28 22:02:02.004 INFO [stderr] 5 | use std::io::ErrorKind::WouldBlock;
Nov 28 22:02:02.004 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:02:02.004 INFO [stderr] 
Nov 28 22:02:02.005 INFO [stderr] warning: unused macro definition
Nov 28 22:02:02.005 INFO [stderr]   --> tests/echo.rs:10:1
Nov 28 22:02:02.005 INFO [stderr]    |
Nov 28 22:02:02.006 INFO [stderr] 10 | / macro_rules! t {
Nov 28 22:02:02.006 INFO [stderr] 11 | |     ($e:expr) => (match $e {
Nov 28 22:02:02.006 INFO [stderr] 12 | |         Ok(e) => e,
Nov 28 22:02:02.007 INFO [stderr] 13 | |         Err(e) => panic!("{} failed with {}", stringify!($e), e),
Nov 28 22:02:02.007 INFO [stderr] 14 | |     })
Nov 28 22:02:02.007 INFO [stderr] 15 | | }
Nov 28 22:02:02.007 INFO [stderr]    | |_^
Nov 28 22:02:02.008 INFO [stderr]    |
Nov 28 22:02:02.008 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 28 22:02:02.008 INFO [stderr] 
Nov 28 22:02:02.040 INFO [stderr] warning: constant item is never used: `SERVER`
Nov 28 22:02:02.041 INFO [stderr]   --> tests/echo.rs:19:5
Nov 28 22:02:02.041 INFO [stderr]    |
Nov 28 22:02:02.041 INFO [stderr] 19 |     const SERVER: Token = Token(0);
Nov 28 22:02:02.042 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:02:02.042 INFO [stderr]    |
Nov 28 22:02:02.042 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 22:02:02.042 INFO [stderr] 
Nov 28 22:02:02.078 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
Nov 28 22:02:02.079 INFO [stderr] su: No module specific data is present
Nov 28 22:02:02.896 INFO running `"docker" "inspect" "ff943466885803a74e5f89563c3ba34b2375ea44388505cc312dd3abe3f23f45"`
Nov 28 22:02:03.276 INFO running `"docker" "rm" "-f" "ff943466885803a74e5f89563c3ba34b2375ea44388505cc312dd3abe3f23f45"`
Nov 28 22:02:03.656 INFO [stdout] ff943466885803a74e5f89563c3ba34b2375ea44388505cc312dd3abe3f23f45