Dec 04 20:14:07.868 INFO checking darkwater/um against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:14:07.868 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 20:14:08.347 INFO [stdout] fddb83dcf767a4fd0afe014b2e683095ec20ea0f6af540eec3e8afb3ca4aa804
Dec 04 20:14:08.355 INFO running `"docker" "start" "-a" "fddb83dcf767a4fd0afe014b2e683095ec20ea0f6af540eec3e8afb3ca4aa804"`
Dec 04 20:14:09.188 INFO [stderr] usermod: no changes
Dec 04 20:14:09.311 INFO [stderr]     Checking tokio-executor v0.1.1
Dec 04 20:14:09.803 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 04 20:14:09.803 INFO [stderr]     Checking tokio-threadpool v0.1.1
Dec 04 20:14:11.195 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 04 20:14:11.195 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 04 20:14:12.502 INFO [stderr]     Checking tokio v0.1.4
Dec 04 20:14:14.028 INFO [stderr]     Checking um v0.1.0 (/source)
Dec 04 20:14:15.575 INFO [stderr] warning: unused import: `TcpListener`
Dec 04 20:14:15.575 INFO [stderr]  --> src/client.rs:7:18
Dec 04 20:14:15.575 INFO [stderr]   |
Dec 04 20:14:15.575 INFO [stderr] 7 | use tokio::net::{TcpListener, TcpStream};
Dec 04 20:14:15.575 INFO [stderr]   |                  ^^^^^^^^^^^
Dec 04 20:14:15.575 INFO [stderr]   |
Dec 04 20:14:15.575 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 20:14:15.575 INFO [stderr] 
Dec 04 20:14:15.575 INFO [stderr] warning: unused import: `BufMut`
Dec 04 20:14:15.575 INFO [stderr]  --> src/commandcodec.rs:1:13
Dec 04 20:14:15.575 INFO [stderr]   |
Dec 04 20:14:15.575 INFO [stderr] 1 | use bytes::{BufMut, BytesMut};
Dec 04 20:14:15.575 INFO [stderr]   |             ^^^^^^
Dec 04 20:14:15.575 INFO [stderr] 
Dec 04 20:14:15.575 INFO [stderr] warning: unused import: `std::fmt::Write`
Dec 04 20:14:15.575 INFO [stderr]  --> src/commandcodec.rs:5:5
Dec 04 20:14:15.575 INFO [stderr]   |
Dec 04 20:14:15.575 INFO [stderr] 5 | use std::fmt::Write;
Dec 04 20:14:15.575 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 20:14:15.575 INFO [stderr] 
Dec 04 20:14:15.583 INFO [stderr] warning: unused import: `tokio::io`
Dec 04 20:14:15.583 INFO [stderr]  --> src/server.rs:4:5
Dec 04 20:14:15.583 INFO [stderr]   |
Dec 04 20:14:15.583 INFO [stderr] 4 | use tokio::io;
Dec 04 20:14:15.583 INFO [stderr]   |     ^^^^^^^^^
Dec 04 20:14:15.583 INFO [stderr] 
Dec 04 20:14:15.699 INFO [stderr] warning: unused import: `TcpListener`
Dec 04 20:14:15.699 INFO [stderr]  --> src/client.rs:7:18
Dec 04 20:14:15.699 INFO [stderr]   |
Dec 04 20:14:15.699 INFO [stderr] 7 | use tokio::net::{TcpListener, TcpStream};
Dec 04 20:14:15.699 INFO [stderr]   |                  ^^^^^^^^^^^
Dec 04 20:14:15.699 INFO [stderr]   |
Dec 04 20:14:15.699 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 20:14:15.699 INFO [stderr] 
Dec 04 20:14:15.699 INFO [stderr] warning: unused import: `BufMut`
Dec 04 20:14:15.699 INFO [stderr]  --> src/commandcodec.rs:1:13
Dec 04 20:14:15.699 INFO [stderr]   |
Dec 04 20:14:15.699 INFO [stderr] 1 | use bytes::{BufMut, BytesMut};
Dec 04 20:14:15.699 INFO [stderr]   |             ^^^^^^
Dec 04 20:14:15.699 INFO [stderr] 
Dec 04 20:14:15.700 INFO [stderr] warning: unused import: `std::fmt::Write`
Dec 04 20:14:15.700 INFO [stderr]  --> src/commandcodec.rs:5:5
Dec 04 20:14:15.700 INFO [stderr]   |
Dec 04 20:14:15.700 INFO [stderr] 5 | use std::fmt::Write;
Dec 04 20:14:15.700 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 20:14:15.700 INFO [stderr] 
Dec 04 20:14:15.700 INFO [stderr] warning: unused import: `super::*`
Dec 04 20:14:15.700 INFO [stderr]   --> src/node.rs:46:9
Dec 04 20:14:15.700 INFO [stderr]    |
Dec 04 20:14:15.700 INFO [stderr] 46 |     use super::*;
Dec 04 20:14:15.700 INFO [stderr]    |         ^^^^^^^^
Dec 04 20:14:15.700 INFO [stderr] 
Dec 04 20:14:15.700 INFO [stderr] warning: unused import: `tokio::io`
Dec 04 20:14:15.700 INFO [stderr]  --> src/server.rs:4:5
Dec 04 20:14:15.700 INFO [stderr]   |
Dec 04 20:14:15.700 INFO [stderr] 4 | use tokio::io;
Dec 04 20:14:15.700 INFO [stderr]   |     ^^^^^^^^^
Dec 04 20:14:15.700 INFO [stderr] 
Dec 04 20:14:15.700 INFO [stderr] warning: unused import: `super::*`
Dec 04 20:14:15.700 INFO [stderr]   --> src/server.rs:54:9
Dec 04 20:14:15.700 INFO [stderr]    |
Dec 04 20:14:15.700 INFO [stderr] 54 |     use super::*;
Dec 04 20:14:15.700 INFO [stderr]    |         ^^^^^^^^
Dec 04 20:14:15.700 INFO [stderr] 
Dec 04 20:14:15.700 INFO [stderr] warning: unused import: `::std::io::prelude::*`
Dec 04 20:14:15.700 INFO [stderr]   --> src/server.rs:55:9
Dec 04 20:14:15.700 INFO [stderr]    |
Dec 04 20:14:15.700 INFO [stderr] 55 |     use ::std::io::prelude::*;
Dec 04 20:14:15.700 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:14:15.700 INFO [stderr] 
Dec 04 20:14:15.700 INFO [stderr] warning: unused import: `::std::net::TcpStream`
Dec 04 20:14:15.700 INFO [stderr]   --> src/server.rs:56:9
Dec 04 20:14:15.700 INFO [stderr]    |
Dec 04 20:14:15.700 INFO [stderr] 56 |     use ::std::net::TcpStream;
Dec 04 20:14:15.700 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:14:15.700 INFO [stderr] 
Dec 04 20:14:15.700 INFO [stderr] warning: unused import: `super::*`
Dec 04 20:14:15.700 INFO [stderr]   --> src/value.rs:83:9
Dec 04 20:14:15.700 INFO [stderr]    |
Dec 04 20:14:15.700 INFO [stderr] 83 |     use super::*;
Dec 04 20:14:15.700 INFO [stderr]    |         ^^^^^^^^
Dec 04 20:14:15.700 INFO [stderr] 
Dec 04 20:14:15.807 INFO [stderr] warning: method is never used: `is_err`
Dec 04 20:14:15.807 INFO [stderr]   --> src/response.rs:14:5
Dec 04 20:14:15.807 INFO [stderr]    |
Dec 04 20:14:15.807 INFO [stderr] 14 |     pub fn is_err(&self) -> bool {
Dec 04 20:14:15.807 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:14:15.807 INFO [stderr]    |
Dec 04 20:14:15.807 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 20:14:15.807 INFO [stderr] 
Dec 04 20:14:15.807 INFO [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 04 20:14:15.807 INFO [stderr]  --> src/main.rs:1:12
Dec 04 20:14:15.807 INFO [stderr]   |
Dec 04 20:14:15.807 INFO [stderr] 1 | #![feature(match_default_bindings, nll, option_filter, try_trait)]
Dec 04 20:14:15.807 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:14:15.807 INFO [stderr]   |
Dec 04 20:14:15.807 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 20:14:15.807 INFO [stderr] 
Dec 04 20:14:15.807 INFO [stderr] warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Dec 04 20:14:15.807 INFO [stderr]  --> src/main.rs:1:41
Dec 04 20:14:15.807 INFO [stderr]   |
Dec 04 20:14:15.807 INFO [stderr] 1 | #![feature(match_default_bindings, nll, option_filter, try_trait)]
Dec 04 20:14:15.807 INFO [stderr]   |                                         ^^^^^^^^^^^^^
Dec 04 20:14:15.807 INFO [stderr] 
Dec 04 20:14:16.031 INFO [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 04 20:14:16.031 INFO [stderr]  --> src/main.rs:1:12
Dec 04 20:14:16.031 INFO [stderr]   |
Dec 04 20:14:16.031 INFO [stderr] 1 | #![feature(match_default_bindings, nll, option_filter, try_trait)]
Dec 04 20:14:16.031 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:14:16.031 INFO [stderr]   |
Dec 04 20:14:16.031 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 04 20:14:16.031 INFO [stderr] 
Dec 04 20:14:16.031 INFO [stderr] warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Dec 04 20:14:16.031 INFO [stderr]  --> src/main.rs:1:41
Dec 04 20:14:16.031 INFO [stderr]   |
Dec 04 20:14:16.031 INFO [stderr] 1 | #![feature(match_default_bindings, nll, option_filter, try_trait)]
Dec 04 20:14:16.031 INFO [stderr]   |                                         ^^^^^^^^^^^^^
Dec 04 20:14:16.031 INFO [stderr] 
Dec 04 20:14:16.064 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.83s
Dec 04 20:14:16.071 INFO [stderr] su: No module specific data is present
Dec 04 20:14:16.845 INFO running `"docker" "inspect" "fddb83dcf767a4fd0afe014b2e683095ec20ea0f6af540eec3e8afb3ca4aa804"`
Dec 04 20:14:17.156 INFO running `"docker" "rm" "-f" "fddb83dcf767a4fd0afe014b2e683095ec20ea0f6af540eec3e8afb3ca4aa804"`
Dec 04 20:14:17.458 INFO [stdout] fddb83dcf767a4fd0afe014b2e683095ec20ea0f6af540eec3e8afb3ca4aa804