Nov 18 06:14:57.704 INFO testing mio-utun-0.6.19 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 06:14:57.704 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 06:14:58.001 INFO [stdout] dcc2e8110adf88ff2360f51e2095ba5493314818a24ff290503be66e8acbc51a
Nov 18 06:14:58.003 INFO running `"docker" "start" "-a" "dcc2e8110adf88ff2360f51e2095ba5493314818a24ff290503be66e8acbc51a"`
Nov 18 06:14:58.645 INFO [stderr] usermod: no changes
Nov 18 06:14:58.700 INFO [stderr]    Compiling mio-utun v0.6.19 (/source)
Nov 18 06:15:00.058 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
Nov 18 06:15:00.063 INFO [stderr] su: No module specific data is present
Nov 18 06:15:00.954 INFO running `"docker" "inspect" "dcc2e8110adf88ff2360f51e2095ba5493314818a24ff290503be66e8acbc51a"`
Nov 18 06:15:01.214 INFO running `"docker" "rm" "-f" "dcc2e8110adf88ff2360f51e2095ba5493314818a24ff290503be66e8acbc51a"`
Nov 18 06:15:01.325 INFO [stdout] dcc2e8110adf88ff2360f51e2095ba5493314818a24ff290503be66e8acbc51a
Nov 18 06:15:01.326 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 06:15:01.538 INFO [stdout] 6fe471a7f86dcee4393aa10016a9bc59f1cff2e5adffdcc9d6d37a765f281486
Nov 18 06:15:01.540 INFO running `"docker" "start" "-a" "6fe471a7f86dcee4393aa10016a9bc59f1cff2e5adffdcc9d6d37a765f281486"`
Nov 18 06:15:01.960 INFO [stderr] usermod: no changes
Nov 18 06:15:02.022 INFO [stderr]    Compiling mio-utun v0.6.19 (/source)
Nov 18 06:15:03.391 INFO [stderr] warning: unused import: `Write`
Nov 18 06:15:03.391 INFO [stderr]  --> tests/echo.rs:4:21
Nov 18 06:15:03.391 INFO [stderr]   |
Nov 18 06:15:03.391 INFO [stderr] 4 | use std::io::{self, Write, Read};
Nov 18 06:15:03.391 INFO [stderr]   |                     ^^^^^
Nov 18 06:15:03.391 INFO [stderr]   |
Nov 18 06:15:03.391 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 06:15:03.391 INFO [stderr] 
Nov 18 06:15:03.391 INFO [stderr] warning: unused import: `std::io::ErrorKind::WouldBlock`
Nov 18 06:15:03.391 INFO [stderr]  --> tests/echo.rs:5:5
Nov 18 06:15:03.391 INFO [stderr]   |
Nov 18 06:15:03.391 INFO [stderr] 5 | use std::io::ErrorKind::WouldBlock;
Nov 18 06:15:03.391 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 06:15:03.391 INFO [stderr] 
Nov 18 06:15:03.399 INFO [stderr] warning: unused macro definition
Nov 18 06:15:03.399 INFO [stderr]   --> tests/echo.rs:10:1
Nov 18 06:15:03.399 INFO [stderr]    |
Nov 18 06:15:03.399 INFO [stderr] 10 | / macro_rules! t {
Nov 18 06:15:03.399 INFO [stderr] 11 | |     ($e:expr) => (match $e {
Nov 18 06:15:03.399 INFO [stderr] 12 | |         Ok(e) => e,
Nov 18 06:15:03.399 INFO [stderr] 13 | |         Err(e) => panic!("{} failed with {}", stringify!($e), e),
Nov 18 06:15:03.399 INFO [stderr] 14 | |     })
Nov 18 06:15:03.399 INFO [stderr] 15 | | }
Nov 18 06:15:03.399 INFO [stderr]    | |_^
Nov 18 06:15:03.399 INFO [stderr]    |
Nov 18 06:15:03.399 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 18 06:15:03.399 INFO [stderr] 
Nov 18 06:15:03.562 INFO [stderr] warning: constant item is never used: `SERVER`
Nov 18 06:15:03.562 INFO [stderr]   --> tests/echo.rs:19:5
Nov 18 06:15:03.563 INFO [stderr]    |
Nov 18 06:15:03.563 INFO [stderr] 19 |     const SERVER: Token = Token(0);
Nov 18 06:15:03.563 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 06:15:03.563 INFO [stderr]    |
Nov 18 06:15:03.563 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 06:15:03.563 INFO [stderr] 
Nov 18 06:15:04.362 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
Nov 18 06:15:04.367 INFO [stderr] su: No module specific data is present
Nov 18 06:15:04.936 INFO running `"docker" "inspect" "6fe471a7f86dcee4393aa10016a9bc59f1cff2e5adffdcc9d6d37a765f281486"`
Nov 18 06:15:05.251 INFO running `"docker" "rm" "-f" "6fe471a7f86dcee4393aa10016a9bc59f1cff2e5adffdcc9d6d37a765f281486"`
Nov 18 06:15:05.587 INFO [stdout] 6fe471a7f86dcee4393aa10016a9bc59f1cff2e5adffdcc9d6d37a765f281486