Dec 15 20:50:39.636 INFO testing boondock-0.0.50 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 20:50:39.636 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 20:50:39.843 INFO [stdout] ba9bc69f78f0925dcc977989c1bb64b9e2caea8009219d775dc41e81f2b9daed
Dec 15 20:50:39.845 INFO running `"docker" "start" "-a" "ba9bc69f78f0925dcc977989c1bb64b9e2caea8009219d775dc41e81f2b9daed"`
Dec 15 20:50:40.282 INFO [stderr] usermod: no changes
Dec 15 20:50:40.483 INFO [stderr]    Compiling hyper v0.9.18
Dec 15 20:50:48.661 INFO [stderr]    Compiling boondock v0.0.50 (/source)
Dec 15 20:50:52.238 INFO [stderr] warning: unused import: `std`
Dec 15 20:50:52.238 INFO [stderr]  --> src/util.rs:1:5
Dec 15 20:50:52.238 INFO [stderr]   |
Dec 15 20:50:52.238 INFO [stderr] 1 | use std;
Dec 15 20:50:52.238 INFO [stderr]   |     ^^^
Dec 15 20:50:52.238 INFO [stderr]   |
Dec 15 20:50:52.238 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 20:50:52.238 INFO [stderr] 
Dec 15 20:50:52.238 INFO [stderr] warning: unused import: `std`
Dec 15 20:50:52.238 INFO [stderr]  --> src/unix.rs:1:5
Dec 15 20:50:52.238 INFO [stderr]   |
Dec 15 20:50:52.238 INFO [stderr] 1 | use std;
Dec 15 20:50:52.238 INFO [stderr]   |     ^^^
Dec 15 20:50:52.238 INFO [stderr] 
Dec 15 20:50:52.238 INFO [stderr] warning: unused import: `ToSocketAddrs`
Dec 15 20:50:52.238 INFO [stderr]  --> src/unix.rs:5:28
Dec 15 20:50:52.238 INFO [stderr]   |
Dec 15 20:50:52.238 INFO [stderr] 5 | use std::net::{SocketAddr, ToSocketAddrs, SocketAddrV4, Ipv4Addr, Shutdown};
Dec 15 20:50:52.238 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 15 20:50:52.238 INFO [stderr] 
Dec 15 20:50:52.238 INFO [stderr] warning: unused import: `std`
Dec 15 20:50:52.238 INFO [stderr]  --> src/docker.rs:1:5
Dec 15 20:50:52.238 INFO [stderr]   |
Dec 15 20:50:52.238 INFO [stderr] 1 | use std;
Dec 15 20:50:52.239 INFO [stderr]   |     ^^^
Dec 15 20:50:52.239 INFO [stderr] 
Dec 15 20:50:52.239 INFO [stderr] warning: unused import: `std::collections::BTreeMap`
Dec 15 20:50:52.239 INFO [stderr]  --> src/docker.rs:2:5
Dec 15 20:50:52.239 INFO [stderr]   |
Dec 15 20:50:52.239 INFO [stderr] 2 | use std::collections::BTreeMap;
Dec 15 20:50:52.239 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:50:52.239 INFO [stderr] 
Dec 15 20:50:52.239 INFO [stderr] warning: unused import: `self`
Dec 15 20:50:52.239 INFO [stderr]  --> src/docker.rs:6:15
Dec 15 20:50:52.239 INFO [stderr]   |
Dec 15 20:50:52.239 INFO [stderr] 6 | use std::io::{self, Read};
Dec 15 20:50:52.239 INFO [stderr]   |               ^^^^
Dec 15 20:50:52.239 INFO [stderr] 
Dec 15 20:50:52.240 INFO [stderr] warning: unused import: `hyper`
Dec 15 20:50:52.240 INFO [stderr]  --> src/docker.rs:7:5
Dec 15 20:50:52.240 INFO [stderr]   |
Dec 15 20:50:52.240 INFO [stderr] 7 | use hyper;
Dec 15 20:50:52.240 INFO [stderr]   |     ^^^^^
Dec 15 20:50:52.240 INFO [stderr] 
Dec 15 20:50:52.240 INFO [stderr] warning: unused import: `openssl::ssl::error::SslError`
Dec 15 20:50:52.240 INFO [stderr]   --> src/docker.rs:18:5
Dec 15 20:50:52.240 INFO [stderr]    |
Dec 15 20:50:52.240 INFO [stderr] 18 | use openssl::ssl::error::SslError;
Dec 15 20:50:52.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:50:52.240 INFO [stderr] 
Dec 15 20:50:52.241 INFO [stderr] warning: unused import: `std::error::Error`
Dec 15 20:50:52.241 INFO [stderr]  --> src/container.rs:2:5
Dec 15 20:50:52.241 INFO [stderr]   |
Dec 15 20:50:52.241 INFO [stderr] 2 | use std::error::Error;
Dec 15 20:50:52.241 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 15 20:50:52.241 INFO [stderr] 
Dec 15 20:50:52.247 INFO [stderr] warning: unused import: `std`
Dec 15 20:50:52.247 INFO [stderr]  --> src/stats.rs:3:5
Dec 15 20:50:52.247 INFO [stderr]   |
Dec 15 20:50:52.247 INFO [stderr] 3 | use std;
Dec 15 20:50:52.247 INFO [stderr]   |     ^^^
Dec 15 20:50:52.247 INFO [stderr] 
Dec 15 20:50:52.360 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 15 20:50:52.360 INFO [stderr]   --> src/docker.rs:57:25
Dec 15 20:50:52.360 INFO [stderr]    |
Dec 15 20:50:52.360 INFO [stderr] 57 |         let home = try!(env::home_dir()
Dec 15 20:50:52.360 INFO [stderr]    |                         ^^^^^^^^^^^^^
Dec 15 20:50:52.360 INFO [stderr]    |
Dec 15 20:50:52.360 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 15 20:50:52.360 INFO [stderr] 
Dec 15 20:50:53.871 INFO [stderr] warning: unused variable: `host`
Dec 15 20:50:53.871 INFO [stderr]    --> src/unix.rs:116:23
Dec 15 20:50:53.871 INFO [stderr]     |
Dec 15 20:50:53.871 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:50:53.871 INFO [stderr]     |                       ^^^^ help: consider using `_host` instead
Dec 15 20:50:53.871 INFO [stderr]     |
Dec 15 20:50:53.871 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 20:50:53.871 INFO [stderr] 
Dec 15 20:50:53.871 INFO [stderr] warning: unused variable: `port`
Dec 15 20:50:53.871 INFO [stderr]    --> src/unix.rs:116:35
Dec 15 20:50:53.871 INFO [stderr]     |
Dec 15 20:50:53.871 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:50:53.871 INFO [stderr]     |                                   ^^^^ help: consider using `_port` instead
Dec 15 20:50:53.871 INFO [stderr] 
Dec 15 20:50:53.871 INFO [stderr] warning: unused variable: `scheme`
Dec 15 20:50:53.871 INFO [stderr]    --> src/unix.rs:116:46
Dec 15 20:50:53.871 INFO [stderr]     |
Dec 15 20:50:53.871 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:50:53.871 INFO [stderr]     |                                              ^^^^^^ help: consider using `_scheme` instead
Dec 15 20:50:53.871 INFO [stderr] 
Dec 15 20:50:54.457 INFO [stderr] warning: struct is never constructed: `MemoryStream`
Dec 15 20:50:54.457 INFO [stderr]  --> src/util.rs:8:1
Dec 15 20:50:54.457 INFO [stderr]   |
Dec 15 20:50:54.457 INFO [stderr] 8 | pub struct MemoryStream {
Dec 15 20:50:54.457 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:50:54.457 INFO [stderr]   |
Dec 15 20:50:54.457 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 15 20:50:54.457 INFO [stderr] 
Dec 15 20:50:54.457 INFO [stderr] warning: method is never used: `with_input`
Dec 15 20:50:54.457 INFO [stderr]   --> src/util.rs:14:5
Dec 15 20:50:54.457 INFO [stderr]    |
Dec 15 20:50:54.457 INFO [stderr] 14 |     pub fn with_input(input: &[u8]) -> MemoryStream {
Dec 15 20:50:54.457 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:50:54.457 INFO [stderr] 
Dec 15 20:50:54.457 INFO [stderr] warning: method is never used: `into_inner`
Dec 15 20:50:54.457 INFO [stderr]   --> src/util.rs:21:5
Dec 15 20:50:54.457 INFO [stderr]    |
Dec 15 20:50:54.457 INFO [stderr] 21 |     pub fn into_inner(self) -> Vec<u8> {
Dec 15 20:50:54.457 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:50:54.457 INFO [stderr] 
Dec 15 20:50:57.586 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.26s
Dec 15 20:50:57.586 INFO [stderr] su: No module specific data is present
Dec 15 20:50:58.013 INFO running `"docker" "inspect" "ba9bc69f78f0925dcc977989c1bb64b9e2caea8009219d775dc41e81f2b9daed"`
Dec 15 20:50:58.087 INFO running `"docker" "rm" "-f" "ba9bc69f78f0925dcc977989c1bb64b9e2caea8009219d775dc41e81f2b9daed"`
Dec 15 20:50:58.212 INFO [stdout] ba9bc69f78f0925dcc977989c1bb64b9e2caea8009219d775dc41e81f2b9daed
Dec 15 20:50:58.215 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 15 20:50:58.346 INFO [stdout] a4e8f2073b21b4f47f8dc14f828d4f4bef06da424a77f1731d73cfe059302e7a
Dec 15 20:50:58.348 INFO running `"docker" "start" "-a" "a4e8f2073b21b4f47f8dc14f828d4f4bef06da424a77f1731d73cfe059302e7a"`
Dec 15 20:50:58.896 INFO [stderr] usermod: no changes
Dec 15 20:50:59.039 INFO [stderr]    Compiling boondock v0.0.50 (/source)
Dec 15 20:51:10.015 INFO [stderr] warning: unused import: `std`
Dec 15 20:51:10.015 INFO [stderr]  --> src/util.rs:1:5
Dec 15 20:51:10.015 INFO [stderr]   |
Dec 15 20:51:10.015 INFO [stderr] 1 | use std;
Dec 15 20:51:10.015 INFO [stderr]   |     ^^^
Dec 15 20:51:10.015 INFO [stderr]   |
Dec 15 20:51:10.015 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 20:51:10.015 INFO [stderr] 
Dec 15 20:51:10.015 INFO [stderr] warning: unused import: `std`
Dec 15 20:51:10.015 INFO [stderr]  --> src/unix.rs:1:5
Dec 15 20:51:10.015 INFO [stderr]   |
Dec 15 20:51:10.015 INFO [stderr] 1 | use std;
Dec 15 20:51:10.015 INFO [stderr]   |     ^^^
Dec 15 20:51:10.015 INFO [stderr] 
Dec 15 20:51:10.015 INFO [stderr] warning: unused import: `ToSocketAddrs`
Dec 15 20:51:10.015 INFO [stderr]  --> src/unix.rs:5:28
Dec 15 20:51:10.015 INFO [stderr]   |
Dec 15 20:51:10.015 INFO [stderr] 5 | use std::net::{SocketAddr, ToSocketAddrs, SocketAddrV4, Ipv4Addr, Shutdown};
Dec 15 20:51:10.015 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 15 20:51:10.015 INFO [stderr] 
Dec 15 20:51:10.015 INFO [stderr] warning: unused import: `std`
Dec 15 20:51:10.015 INFO [stderr]  --> src/docker.rs:1:5
Dec 15 20:51:10.015 INFO [stderr]   |
Dec 15 20:51:10.015 INFO [stderr] 1 | use std;
Dec 15 20:51:10.015 INFO [stderr]   |     ^^^
Dec 15 20:51:10.015 INFO [stderr] 
Dec 15 20:51:10.015 INFO [stderr] warning: unused import: `std::collections::BTreeMap`
Dec 15 20:51:10.015 INFO [stderr]  --> src/docker.rs:2:5
Dec 15 20:51:10.015 INFO [stderr]   |
Dec 15 20:51:10.015 INFO [stderr] 2 | use std::collections::BTreeMap;
Dec 15 20:51:10.015 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:10.015 INFO [stderr] 
Dec 15 20:51:10.023 INFO [stderr] warning: unused import: `self`
Dec 15 20:51:10.023 INFO [stderr]  --> src/docker.rs:6:15
Dec 15 20:51:10.023 INFO [stderr]   |
Dec 15 20:51:10.023 INFO [stderr] 6 | use std::io::{self, Read};
Dec 15 20:51:10.023 INFO [stderr]   |               ^^^^
Dec 15 20:51:10.023 INFO [stderr] 
Dec 15 20:51:10.023 INFO [stderr] warning: unused import: `hyper`
Dec 15 20:51:10.023 INFO [stderr]  --> src/docker.rs:7:5
Dec 15 20:51:10.023 INFO [stderr]   |
Dec 15 20:51:10.023 INFO [stderr] 7 | use hyper;
Dec 15 20:51:10.023 INFO [stderr]   |     ^^^^^
Dec 15 20:51:10.023 INFO [stderr] 
Dec 15 20:51:10.023 INFO [stderr] warning: unused import: `openssl::ssl::error::SslError`
Dec 15 20:51:10.023 INFO [stderr]   --> src/docker.rs:18:5
Dec 15 20:51:10.023 INFO [stderr]    |
Dec 15 20:51:10.023 INFO [stderr] 18 | use openssl::ssl::error::SslError;
Dec 15 20:51:10.023 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:10.023 INFO [stderr] 
Dec 15 20:51:10.023 INFO [stderr] warning: unused import: `std::error::Error`
Dec 15 20:51:10.023 INFO [stderr]  --> src/container.rs:2:5
Dec 15 20:51:10.023 INFO [stderr]   |
Dec 15 20:51:10.023 INFO [stderr] 2 | use std::error::Error;
Dec 15 20:51:10.023 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 15 20:51:10.023 INFO [stderr] 
Dec 15 20:51:10.058 INFO [stderr] warning: unused import: `std`
Dec 15 20:51:10.058 INFO [stderr]  --> src/stats.rs:3:5
Dec 15 20:51:10.058 INFO [stderr]   |
Dec 15 20:51:10.058 INFO [stderr] 3 | use std;
Dec 15 20:51:10.058 INFO [stderr]   |     ^^^
Dec 15 20:51:10.058 INFO [stderr] 
Dec 15 20:51:10.247 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 15 20:51:10.247 INFO [stderr]   --> src/docker.rs:57:25
Dec 15 20:51:10.247 INFO [stderr]    |
Dec 15 20:51:10.247 INFO [stderr] 57 |         let home = try!(env::home_dir()
Dec 15 20:51:10.247 INFO [stderr]    |                         ^^^^^^^^^^^^^
Dec 15 20:51:10.247 INFO [stderr]    |
Dec 15 20:51:10.247 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 15 20:51:10.247 INFO [stderr] 
Dec 15 20:51:13.822 INFO [stderr] warning: unused variable: `host`
Dec 15 20:51:13.823 INFO [stderr]    --> src/unix.rs:116:23
Dec 15 20:51:13.823 INFO [stderr]     |
Dec 15 20:51:13.823 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:51:13.823 INFO [stderr]     |                       ^^^^ help: consider using `_host` instead
Dec 15 20:51:13.823 INFO [stderr]     |
Dec 15 20:51:13.823 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 20:51:13.823 INFO [stderr] 
Dec 15 20:51:13.823 INFO [stderr] warning: unused variable: `port`
Dec 15 20:51:13.823 INFO [stderr]    --> src/unix.rs:116:35
Dec 15 20:51:13.823 INFO [stderr]     |
Dec 15 20:51:13.823 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:51:13.823 INFO [stderr]     |                                   ^^^^ help: consider using `_port` instead
Dec 15 20:51:13.823 INFO [stderr] 
Dec 15 20:51:13.823 INFO [stderr] warning: unused variable: `scheme`
Dec 15 20:51:13.823 INFO [stderr]    --> src/unix.rs:116:46
Dec 15 20:51:13.823 INFO [stderr]     |
Dec 15 20:51:13.823 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:51:13.823 INFO [stderr]     |                                              ^^^^^^ help: consider using `_scheme` instead
Dec 15 20:51:13.823 INFO [stderr] 
Dec 15 20:51:15.303 INFO [stderr] warning: function is never used: `get_containers_response_long`
Dec 15 20:51:15.303 INFO [stderr]    --> src/test.rs:132:1
Dec 15 20:51:15.303 INFO [stderr]     |
Dec 15 20:51:15.303 INFO [stderr] 132 | fn get_containers_response_long() -> String {
Dec 15 20:51:15.303 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:15.303 INFO [stderr]     |
Dec 15 20:51:15.303 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 15 20:51:15.303 INFO [stderr] 
Dec 15 20:51:15.320 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 20:51:15.320 INFO [stderr]    --> src/test.rs:176:5
Dec 15 20:51:15.320 INFO [stderr]     |
Dec 15 20:51:15.320 INFO [stderr] 176 |     writer.write(s1.as_bytes());
Dec 15 20:51:15.320 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:15.320 INFO [stderr]     |
Dec 15 20:51:15.320 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 20:51:15.320 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 20:51:15.320 INFO [stderr] 
Dec 15 20:51:15.320 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 20:51:15.320 INFO [stderr]    --> src/test.rs:177:5
Dec 15 20:51:15.320 INFO [stderr]     |
Dec 15 20:51:15.320 INFO [stderr] 177 |     writer.write(b"\n");
Dec 15 20:51:15.320 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:15.320 INFO [stderr]     |
Dec 15 20:51:15.320 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 20:51:15.320 INFO [stderr] 
Dec 15 20:51:15.320 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 20:51:15.320 INFO [stderr]    --> src/test.rs:178:5
Dec 15 20:51:15.320 INFO [stderr]     |
Dec 15 20:51:15.320 INFO [stderr] 178 |     writer.write(s2.as_bytes());
Dec 15 20:51:15.320 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:15.320 INFO [stderr]     |
Dec 15 20:51:15.320 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 20:51:15.320 INFO [stderr] 
Dec 15 20:51:15.320 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 20:51:15.320 INFO [stderr]    --> src/test.rs:179:5
Dec 15 20:51:15.320 INFO [stderr]     |
Dec 15 20:51:15.320 INFO [stderr] 179 |     writer.write(b"\n");
Dec 15 20:51:15.320 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:15.320 INFO [stderr]     |
Dec 15 20:51:15.321 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 20:51:15.321 INFO [stderr] 
Dec 15 20:51:15.321 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 20:51:15.321 INFO [stderr]    --> src/test.rs:180:5
Dec 15 20:51:15.321 INFO [stderr]     |
Dec 15 20:51:15.321 INFO [stderr] 180 |     writer.write(s3.as_bytes());
Dec 15 20:51:15.321 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:15.321 INFO [stderr]     |
Dec 15 20:51:15.321 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 20:51:15.321 INFO [stderr] 
Dec 15 20:51:34.400 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.49s
Dec 15 20:51:34.430 INFO [stderr] su: No module specific data is present
Dec 15 20:51:35.213 INFO running `"docker" "inspect" "a4e8f2073b21b4f47f8dc14f828d4f4bef06da424a77f1731d73cfe059302e7a"`
Dec 15 20:51:35.507 INFO running `"docker" "rm" "-f" "a4e8f2073b21b4f47f8dc14f828d4f4bef06da424a77f1731d73cfe059302e7a"`
Dec 15 20:51:35.783 INFO [stdout] a4e8f2073b21b4f47f8dc14f828d4f4bef06da424a77f1731d73cfe059302e7a
Dec 15 20:51:35.791 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --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 15 20:51:36.161 INFO [stdout] d3e675a3fb58a0f4e0c7c93a5f9d278453eb6aa49d3718192dcc1547126c2cd3
Dec 15 20:51:36.164 INFO running `"docker" "start" "-a" "d3e675a3fb58a0f4e0c7c93a5f9d278453eb6aa49d3718192dcc1547126c2cd3"`
Dec 15 20:51:37.262 INFO [stderr] usermod: no changes
Dec 15 20:51:37.471 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
Dec 15 20:51:37.490 INFO [stderr]      Running /target/debug/deps/boondock-55e9d85b4295b198
Dec 15 20:51:37.507 INFO [stdout] 
Dec 15 20:51:37.507 INFO [stdout] running 9 tests
Dec 15 20:51:37.507 INFO [stdout] test test::get_containers ... ok
Dec 15 20:51:37.507 INFO [stdout] test test::get_container_info ... ok
Dec 15 20:51:37.507 INFO [stdout] test test::get_system_info ... ok
Dec 15 20:51:37.507 INFO [stdout] test test::get_processes ... ok
Dec 15 20:51:37.507 INFO [stdout] test test::get_version ... ok
Dec 15 20:51:37.507 INFO [stdout] test test::get_images ... ok
Dec 15 20:51:37.515 INFO [stdout] test test::get_filesystem_changes ... ok
Dec 15 20:51:37.515 INFO [stdout] test test::get_stats_single ... ok
Dec 15 20:51:37.701 INFO [stdout] test test::get_stats_streaming ... ok
Dec 15 20:51:37.701 INFO [stdout] 
Dec 15 20:51:37.701 INFO [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:51:37.701 INFO [stdout] 
Dec 15 20:51:37.711 INFO [stderr]    Doc-tests boondock
Dec 15 20:51:44.171 INFO [stdout] 
Dec 15 20:51:44.171 INFO [stdout] running 0 tests
Dec 15 20:51:44.171 INFO [stdout] 
Dec 15 20:51:44.171 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:51:44.171 INFO [stdout] 
Dec 15 20:51:44.180 INFO [stderr] su: No module specific data is present
Dec 15 20:51:44.689 INFO running `"docker" "inspect" "d3e675a3fb58a0f4e0c7c93a5f9d278453eb6aa49d3718192dcc1547126c2cd3"`
Dec 15 20:51:44.824 INFO running `"docker" "rm" "-f" "d3e675a3fb58a0f4e0c7c93a5f9d278453eb6aa49d3718192dcc1547126c2cd3"`
Dec 15 20:51:44.936 INFO [stdout] d3e675a3fb58a0f4e0c7c93a5f9d278453eb6aa49d3718192dcc1547126c2cd3