Dec 07 07:14:24.919 INFO testing mio-utun-0.6.19 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 07:14:24.919 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07:14:25.122 INFO [stdout] 18eec792878eb58a1caca9cf5f80d6e04ca5398891a7e6ab6c2337f555fc0ff4
Dec 07 07:14:25.126 INFO running `"docker" "start" "-a" "18eec792878eb58a1caca9cf5f80d6e04ca5398891a7e6ab6c2337f555fc0ff4"`
Dec 07 07:14:25.624 INFO [stderr] usermod: no changes
Dec 07 07:14:25.708 INFO [stderr]    Compiling mio-utun v0.6.19 (/source)
Dec 07 07:14:27.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Dec 07 07:14:27.097 INFO [stderr] su: No module specific data is present
Dec 07 07:14:27.397 INFO running `"docker" "inspect" "18eec792878eb58a1caca9cf5f80d6e04ca5398891a7e6ab6c2337f555fc0ff4"`
Dec 07 07:14:27.498 INFO running `"docker" "rm" "-f" "18eec792878eb58a1caca9cf5f80d6e04ca5398891a7e6ab6c2337f555fc0ff4"`
Dec 07 07:14:27.569 INFO [stdout] 18eec792878eb58a1caca9cf5f80d6e04ca5398891a7e6ab6c2337f555fc0ff4
Dec 07 07:14:27.571 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 07:14:27.792 INFO [stdout] e43f790164165639d9fa742161a543fd14086878860646d00d79cd9eb4e091b6
Dec 07 07:14:27.798 INFO running `"docker" "start" "-a" "e43f790164165639d9fa742161a543fd14086878860646d00d79cd9eb4e091b6"`
Dec 07 07:14:28.347 INFO [stderr] usermod: no changes
Dec 07 07:14:28.421 INFO [stderr]    Compiling mio-utun v0.6.19 (/source)
Dec 07 07:14:30.248 INFO [stderr] warning: unused import: `Write`
Dec 07 07:14:30.248 INFO [stderr]  --> tests/echo.rs:4:21
Dec 07 07:14:30.248 INFO [stderr]   |
Dec 07 07:14:30.248 INFO [stderr] 4 | use std::io::{self, Write, Read};
Dec 07 07:14:30.248 INFO [stderr]   |                     ^^^^^
Dec 07 07:14:30.248 INFO [stderr]   |
Dec 07 07:14:30.248 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 07:14:30.248 INFO [stderr] 
Dec 07 07:14:30.248 INFO [stderr] warning: unused import: `std::io::ErrorKind::WouldBlock`
Dec 07 07:14:30.248 INFO [stderr]  --> tests/echo.rs:5:5
Dec 07 07:14:30.248 INFO [stderr]   |
Dec 07 07:14:30.248 INFO [stderr] 5 | use std::io::ErrorKind::WouldBlock;
Dec 07 07:14:30.248 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 07:14:30.248 INFO [stderr] 
Dec 07 07:14:30.248 INFO [stderr] warning: unused macro definition
Dec 07 07:14:30.248 INFO [stderr]   --> tests/echo.rs:10:1
Dec 07 07:14:30.248 INFO [stderr]    |
Dec 07 07:14:30.248 INFO [stderr] 10 | / macro_rules! t {
Dec 07 07:14:30.248 INFO [stderr] 11 | |     ($e:expr) => (match $e {
Dec 07 07:14:30.248 INFO [stderr] 12 | |         Ok(e) => e,
Dec 07 07:14:30.248 INFO [stderr] 13 | |         Err(e) => panic!("{} failed with {}", stringify!($e), e),
Dec 07 07:14:30.248 INFO [stderr] 14 | |     })
Dec 07 07:14:30.248 INFO [stderr] 15 | | }
Dec 07 07:14:30.248 INFO [stderr]    | |_^
Dec 07 07:14:30.248 INFO [stderr]    |
Dec 07 07:14:30.248 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Dec 07 07:14:30.248 INFO [stderr] 
Dec 07 07:14:30.376 INFO [stderr] warning: constant item is never used: `SERVER`
Dec 07 07:14:30.376 INFO [stderr]   --> tests/echo.rs:19:5
Dec 07 07:14:30.376 INFO [stderr]    |
Dec 07 07:14:30.376 INFO [stderr] 19 |     const SERVER: Token = Token(0);
Dec 07 07:14:30.376 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 07:14:30.376 INFO [stderr]    |
Dec 07 07:14:30.376 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 07:14:30.376 INFO [stderr] 
Dec 07 07:14:31.221 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
Dec 07 07:14:31.230 INFO [stderr] su: No module specific data is present
Dec 07 07:14:31.804 INFO running `"docker" "inspect" "e43f790164165639d9fa742161a543fd14086878860646d00d79cd9eb4e091b6"`
Dec 07 07:14:32.056 INFO running `"docker" "rm" "-f" "e43f790164165639d9fa742161a543fd14086878860646d00d79cd9eb4e091b6"`
Dec 07 07:14:32.334 INFO [stdout] e43f790164165639d9fa742161a543fd14086878860646d00d79cd9eb4e091b6