Oct 27 06:09:24.040 INFO checking darkwater/um against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 06:09:24.040 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-4/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 06:09:24.591 INFO blam! 7faf5fe46b63b1919cab0741da0a2bdb6959f865ae8511826c7b0148cec3ec25
Oct 27 06:09:24.593 INFO running `"docker" "start" "-a" "7faf5fe46b63b1919cab0741da0a2bdb6959f865ae8511826c7b0148cec3ec25"`
Oct 27 06:09:26.097 INFO kablam! usermod: no changes
Oct 27 06:09:26.222 INFO kablam!     Checking um v0.1.0 (/source)
Oct 27 06:09:28.850 INFO kablam! warning: unused import: `TcpListener`
Oct 27 06:09:28.850 INFO kablam!  --> src/client.rs:7:18
Oct 27 06:09:28.850 INFO kablam!   |
Oct 27 06:09:28.850 INFO kablam! 7 | use tokio::net::{TcpListener, TcpStream};
Oct 27 06:09:28.850 INFO kablam!   |                  ^^^^^^^^^^^
Oct 27 06:09:28.850 INFO kablam!   |
Oct 27 06:09:28.850 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 06:09:28.850 INFO kablam! 
Oct 27 06:09:28.850 INFO kablam! warning: unused import: `BufMut`
Oct 27 06:09:28.850 INFO kablam!  --> src/commandcodec.rs:1:13
Oct 27 06:09:28.850 INFO kablam!   |
Oct 27 06:09:28.850 INFO kablam! 1 | use bytes::{BufMut, BytesMut};
Oct 27 06:09:28.850 INFO kablam!   |             ^^^^^^
Oct 27 06:09:28.850 INFO kablam! 
Oct 27 06:09:28.850 INFO kablam! warning: unused import: `std::fmt::Write`
Oct 27 06:09:28.850 INFO kablam!  --> src/commandcodec.rs:5:5
Oct 27 06:09:28.850 INFO kablam!   |
Oct 27 06:09:28.850 INFO kablam! 5 | use std::fmt::Write;
Oct 27 06:09:28.850 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 27 06:09:28.850 INFO kablam! 
Oct 27 06:09:28.850 INFO kablam! warning: unused import: `super::*`
Oct 27 06:09:28.850 INFO kablam!   --> src/node.rs:46:9
Oct 27 06:09:28.850 INFO kablam!    |
Oct 27 06:09:28.850 INFO kablam! 46 |     use super::*;
Oct 27 06:09:28.850 INFO kablam!    |         ^^^^^^^^
Oct 27 06:09:28.850 INFO kablam! 
Oct 27 06:09:28.850 INFO kablam! warning: unused import: `tokio::io`
Oct 27 06:09:28.850 INFO kablam!  --> src/server.rs:4:5
Oct 27 06:09:28.850 INFO kablam!   |
Oct 27 06:09:28.850 INFO kablam! 4 | use tokio::io;
Oct 27 06:09:28.850 INFO kablam!   |     ^^^^^^^^^
Oct 27 06:09:28.850 INFO kablam! 
Oct 27 06:09:28.859 INFO kablam! warning: unused import: `super::*`
Oct 27 06:09:28.859 INFO kablam!   --> src/server.rs:54:9
Oct 27 06:09:28.859 INFO kablam!    |
Oct 27 06:09:28.859 INFO kablam! 54 |     use super::*;
Oct 27 06:09:28.859 INFO kablam!    |         ^^^^^^^^
Oct 27 06:09:28.859 INFO kablam! 
Oct 27 06:09:28.859 INFO kablam! warning: unused import: `::std::io::prelude::*`
Oct 27 06:09:28.859 INFO kablam!   --> src/server.rs:55:9
Oct 27 06:09:28.859 INFO kablam!    |
Oct 27 06:09:28.859 INFO kablam! 55 |     use ::std::io::prelude::*;
Oct 27 06:09:28.859 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Oct 27 06:09:28.859 INFO kablam! 
Oct 27 06:09:28.859 INFO kablam! warning: unused import: `::std::net::TcpStream`
Oct 27 06:09:28.859 INFO kablam!   --> src/server.rs:56:9
Oct 27 06:09:28.859 INFO kablam!    |
Oct 27 06:09:28.859 INFO kablam! 56 |     use ::std::net::TcpStream;
Oct 27 06:09:28.859 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^
Oct 27 06:09:28.859 INFO kablam! 
Oct 27 06:09:28.859 INFO kablam! warning: unused import: `super::*`
Oct 27 06:09:28.859 INFO kablam!   --> src/value.rs:83:9
Oct 27 06:09:28.859 INFO kablam!    |
Oct 27 06:09:28.859 INFO kablam! 83 |     use super::*;
Oct 27 06:09:28.859 INFO kablam!    |         ^^^^^^^^
Oct 27 06:09:28.859 INFO kablam! 
Oct 27 06:09:28.915 INFO kablam! warning: unused import: `TcpListener`
Oct 27 06:09:28.915 INFO kablam!  --> src/client.rs:7:18
Oct 27 06:09:28.915 INFO kablam!   |
Oct 27 06:09:28.915 INFO kablam! 7 | use tokio::net::{TcpListener, TcpStream};
Oct 27 06:09:28.915 INFO kablam!   |                  ^^^^^^^^^^^
Oct 27 06:09:28.915 INFO kablam!   |
Oct 27 06:09:28.915 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 06:09:28.915 INFO kablam! 
Oct 27 06:09:28.915 INFO kablam! warning: unused import: `BufMut`
Oct 27 06:09:28.915 INFO kablam!  --> src/commandcodec.rs:1:13
Oct 27 06:09:28.915 INFO kablam!   |
Oct 27 06:09:28.915 INFO kablam! 1 | use bytes::{BufMut, BytesMut};
Oct 27 06:09:28.915 INFO kablam!   |             ^^^^^^
Oct 27 06:09:28.915 INFO kablam! 
Oct 27 06:09:28.915 INFO kablam! warning: unused import: `std::fmt::Write`
Oct 27 06:09:28.915 INFO kablam!  --> src/commandcodec.rs:5:5
Oct 27 06:09:28.915 INFO kablam!   |
Oct 27 06:09:28.915 INFO kablam! 5 | use std::fmt::Write;
Oct 27 06:09:28.915 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 27 06:09:28.915 INFO kablam! 
Oct 27 06:09:28.915 INFO kablam! warning: unused import: `tokio::io`
Oct 27 06:09:28.915 INFO kablam!  --> src/server.rs:4:5
Oct 27 06:09:28.915 INFO kablam!   |
Oct 27 06:09:28.915 INFO kablam! 4 | use tokio::io;
Oct 27 06:09:28.915 INFO kablam!   |     ^^^^^^^^^
Oct 27 06:09:28.915 INFO kablam! 
Oct 27 06:09:29.243 INFO kablam! warning: method is never used: `is_err`
Oct 27 06:09:29.243 INFO kablam!   --> src/response.rs:14:5
Oct 27 06:09:29.243 INFO kablam!    |
Oct 27 06:09:29.243 INFO kablam! 14 |     pub fn is_err(&self) -> bool {
Oct 27 06:09:29.243 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 06:09:29.243 INFO kablam!    |
Oct 27 06:09:29.243 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 27 06:09:29.243 INFO kablam! 
Oct 27 06:09:29.243 INFO kablam! warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 27 06:09:29.243 INFO kablam!  --> src/main.rs:1:12
Oct 27 06:09:29.243 INFO kablam!   |
Oct 27 06:09:29.243 INFO kablam! 1 | #![feature(match_default_bindings, nll, option_filter, try_trait)]
Oct 27 06:09:29.243 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Oct 27 06:09:29.243 INFO kablam!   |
Oct 27 06:09:29.243 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 27 06:09:29.243 INFO kablam! 
Oct 27 06:09:29.243 INFO kablam! warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 27 06:09:29.243 INFO kablam!  --> src/main.rs:1:41
Oct 27 06:09:29.243 INFO kablam!   |
Oct 27 06:09:29.243 INFO kablam! 1 | #![feature(match_default_bindings, nll, option_filter, try_trait)]
Oct 27 06:09:29.243 INFO kablam!   |                                         ^^^^^^^^^^^^^
Oct 27 06:09:29.243 INFO kablam! 
Oct 27 06:09:29.287 INFO kablam! warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable
Oct 27 06:09:29.287 INFO kablam!  --> src/main.rs:1:12
Oct 27 06:09:29.287 INFO kablam!   |
Oct 27 06:09:29.287 INFO kablam! 1 | #![feature(match_default_bindings, nll, option_filter, try_trait)]
Oct 27 06:09:29.287 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^
Oct 27 06:09:29.287 INFO kablam!   |
Oct 27 06:09:29.287 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 27 06:09:29.287 INFO kablam! 
Oct 27 06:09:29.287 INFO kablam! warning: the feature `option_filter` has been stable since 1.27.0 and no longer requires an attribute to enable
Oct 27 06:09:29.287 INFO kablam!  --> src/main.rs:1:41
Oct 27 06:09:29.287 INFO kablam!   |
Oct 27 06:09:29.287 INFO kablam! 1 | #![feature(match_default_bindings, nll, option_filter, try_trait)]
Oct 27 06:09:29.287 INFO kablam!   |                                         ^^^^^^^^^^^^^
Oct 27 06:09:29.287 INFO kablam! 
Oct 27 06:09:29.372 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
Oct 27 06:09:29.379 INFO kablam! su: No module specific data is present
Oct 27 06:09:30.113 INFO running `"docker" "rm" "-f" "7faf5fe46b63b1919cab0741da0a2bdb6959f865ae8511826c7b0148cec3ec25"`
Oct 27 06:09:30.359 INFO blam! 7faf5fe46b63b1919cab0741da0a2bdb6959f865ae8511826c7b0148cec3ec25