Nov 30 19:26:59.458 INFO checking mio-utun-0.6.19 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 19:26:59.458 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 19:26:59.800 INFO [stdout] 896b98e44d74f464e996917a88da6e3a3b26d12b927a0b83077b0d4927e655bb
Nov 30 19:26:59.804 INFO running `"docker" "start" "-a" "896b98e44d74f464e996917a88da6e3a3b26d12b927a0b83077b0d4927e655bb"`
Nov 30 19:27:00.328 INFO [stderr] usermod: no changes
Nov 30 19:27:00.411 INFO [stderr]     Checking mio-utun v0.6.19 (/source)
Nov 30 19:27:03.352 INFO [stderr] warning: unused import: `Write`
Nov 30 19:27:03.352 INFO [stderr]  --> tests/echo.rs:4:21
Nov 30 19:27:03.352 INFO [stderr]   |
Nov 30 19:27:03.352 INFO [stderr] 4 | use std::io::{self, Write, Read};
Nov 30 19:27:03.352 INFO [stderr]   |                     ^^^^^
Nov 30 19:27:03.352 INFO [stderr]   |
Nov 30 19:27:03.352 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:27:03.352 INFO [stderr] 
Nov 30 19:27:03.352 INFO [stderr] warning: unused import: `std::io::ErrorKind::WouldBlock`
Nov 30 19:27:03.352 INFO [stderr]  --> tests/echo.rs:5:5
Nov 30 19:27:03.352 INFO [stderr]   |
Nov 30 19:27:03.352 INFO [stderr] 5 | use std::io::ErrorKind::WouldBlock;
Nov 30 19:27:03.352 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:27:03.352 INFO [stderr] 
Nov 30 19:27:03.352 INFO [stderr] warning: unused macro definition
Nov 30 19:27:03.352 INFO [stderr]   --> tests/echo.rs:10:1
Nov 30 19:27:03.352 INFO [stderr]    |
Nov 30 19:27:03.352 INFO [stderr] 10 | / macro_rules! t {
Nov 30 19:27:03.352 INFO [stderr] 11 | |     ($e:expr) => (match $e {
Nov 30 19:27:03.352 INFO [stderr] 12 | |         Ok(e) => e,
Nov 30 19:27:03.352 INFO [stderr] 13 | |         Err(e) => panic!("{} failed with {}", stringify!($e), e),
Nov 30 19:27:03.352 INFO [stderr] 14 | |     })
Nov 30 19:27:03.352 INFO [stderr] 15 | | }
Nov 30 19:27:03.352 INFO [stderr]    | |_^
Nov 30 19:27:03.352 INFO [stderr]    |
Nov 30 19:27:03.352 INFO [stderr]    = note: #[warn(unused_macros)] on by default
Nov 30 19:27:03.352 INFO [stderr] 
Nov 30 19:27:03.408 INFO [stderr] warning: constant item is never used: `SERVER`
Nov 30 19:27:03.408 INFO [stderr]   --> tests/echo.rs:19:5
Nov 30 19:27:03.408 INFO [stderr]    |
Nov 30 19:27:03.408 INFO [stderr] 19 |     const SERVER: Token = Token(0);
Nov 30 19:27:03.408 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:27:03.408 INFO [stderr]    |
Nov 30 19:27:03.416 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 19:27:03.416 INFO [stderr] 
Nov 30 19:27:03.436 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
Nov 30 19:27:03.444 INFO [stderr] su: No module specific data is present
Nov 30 19:27:04.042 INFO running `"docker" "inspect" "896b98e44d74f464e996917a88da6e3a3b26d12b927a0b83077b0d4927e655bb"`
Nov 30 19:27:04.402 INFO running `"docker" "rm" "-f" "896b98e44d74f464e996917a88da6e3a3b26d12b927a0b83077b0d4927e655bb"`
Nov 30 19:27:04.691 INFO [stdout] 896b98e44d74f464e996917a88da6e3a3b26d12b927a0b83077b0d4927e655bb