Dec 15 20:50:46.172 INFO testing boondock-0.0.50 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 20:50:46.172 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 20:50:46.597 INFO [stdout] ca169461ee77c743c214685ada118fa140bff182cc97a07d38f66fbb2e7f4ee8
Dec 15 20:50:46.609 INFO running `"docker" "start" "-a" "ca169461ee77c743c214685ada118fa140bff182cc97a07d38f66fbb2e7f4ee8"`
Dec 15 20:50:47.526 INFO [stderr] usermod: no changes
Dec 15 20:50:47.747 INFO [stderr]    Compiling hyper v0.9.18
Dec 15 20:50:55.482 INFO [stderr]    Compiling boondock v0.0.50 (/source)
Dec 15 20:50:59.082 INFO [stderr] warning: unused import: `std`
Dec 15 20:50:59.082 INFO [stderr]  --> src/util.rs:1:5
Dec 15 20:50:59.082 INFO [stderr]   |
Dec 15 20:50:59.082 INFO [stderr] 1 | use std;
Dec 15 20:50:59.082 INFO [stderr]   |     ^^^
Dec 15 20:50:59.082 INFO [stderr]   |
Dec 15 20:50:59.083 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 20:50:59.083 INFO [stderr] 
Dec 15 20:50:59.083 INFO [stderr] warning: unused import: `std`
Dec 15 20:50:59.083 INFO [stderr]  --> src/unix.rs:1:5
Dec 15 20:50:59.083 INFO [stderr]   |
Dec 15 20:50:59.083 INFO [stderr] 1 | use std;
Dec 15 20:50:59.083 INFO [stderr]   |     ^^^
Dec 15 20:50:59.083 INFO [stderr] 
Dec 15 20:50:59.083 INFO [stderr] warning: unused import: `ToSocketAddrs`
Dec 15 20:50:59.083 INFO [stderr]  --> src/unix.rs:5:28
Dec 15 20:50:59.083 INFO [stderr]   |
Dec 15 20:50:59.083 INFO [stderr] 5 | use std::net::{SocketAddr, ToSocketAddrs, SocketAddrV4, Ipv4Addr, Shutdown};
Dec 15 20:50:59.083 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 15 20:50:59.083 INFO [stderr] 
Dec 15 20:50:59.083 INFO [stderr] warning: unused import: `std`
Dec 15 20:50:59.083 INFO [stderr]  --> src/docker.rs:1:5
Dec 15 20:50:59.083 INFO [stderr]   |
Dec 15 20:50:59.083 INFO [stderr] 1 | use std;
Dec 15 20:50:59.083 INFO [stderr]   |     ^^^
Dec 15 20:50:59.083 INFO [stderr] 
Dec 15 20:50:59.083 INFO [stderr] warning: unused import: `std::collections::BTreeMap`
Dec 15 20:50:59.083 INFO [stderr]  --> src/docker.rs:2:5
Dec 15 20:50:59.083 INFO [stderr]   |
Dec 15 20:50:59.083 INFO [stderr] 2 | use std::collections::BTreeMap;
Dec 15 20:50:59.083 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:50:59.083 INFO [stderr] 
Dec 15 20:50:59.083 INFO [stderr] warning: unused import: `self`
Dec 15 20:50:59.083 INFO [stderr]  --> src/docker.rs:6:15
Dec 15 20:50:59.083 INFO [stderr]   |
Dec 15 20:50:59.086 INFO [stderr] 6 | use std::io::{self, Read};
Dec 15 20:50:59.086 INFO [stderr]   |               ^^^^
Dec 15 20:50:59.086 INFO [stderr] 
Dec 15 20:50:59.086 INFO [stderr] warning: unused import: `hyper`
Dec 15 20:50:59.086 INFO [stderr]  --> src/docker.rs:7:5
Dec 15 20:50:59.086 INFO [stderr]   |
Dec 15 20:50:59.086 INFO [stderr] 7 | use hyper;
Dec 15 20:50:59.086 INFO [stderr]   |     ^^^^^
Dec 15 20:50:59.086 INFO [stderr] 
Dec 15 20:50:59.086 INFO [stderr] warning: unused import: `openssl::ssl::error::SslError`
Dec 15 20:50:59.086 INFO [stderr]   --> src/docker.rs:18:5
Dec 15 20:50:59.086 INFO [stderr]    |
Dec 15 20:50:59.086 INFO [stderr] 18 | use openssl::ssl::error::SslError;
Dec 15 20:50:59.086 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:50:59.086 INFO [stderr] 
Dec 15 20:50:59.086 INFO [stderr] warning: unused import: `std::error::Error`
Dec 15 20:50:59.086 INFO [stderr]  --> src/container.rs:2:5
Dec 15 20:50:59.087 INFO [stderr]   |
Dec 15 20:50:59.087 INFO [stderr] 2 | use std::error::Error;
Dec 15 20:50:59.087 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 15 20:50:59.087 INFO [stderr] 
Dec 15 20:50:59.095 INFO [stderr] warning: unused import: `std`
Dec 15 20:50:59.095 INFO [stderr]  --> src/stats.rs:3:5
Dec 15 20:50:59.095 INFO [stderr]   |
Dec 15 20:50:59.095 INFO [stderr] 3 | use std;
Dec 15 20:50:59.095 INFO [stderr]   |     ^^^
Dec 15 20:50:59.095 INFO [stderr] 
Dec 15 20:50:59.211 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 20:50:59.211 INFO [stderr]   --> src/docker.rs:57:25
Dec 15 20:50:59.211 INFO [stderr]    |
Dec 15 20:50:59.211 INFO [stderr] 57 |         let home = try!(env::home_dir()
Dec 15 20:50:59.211 INFO [stderr]    |                         ^^^^^^^^^^^^^
Dec 15 20:50:59.211 INFO [stderr]    |
Dec 15 20:50:59.211 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 15 20:50:59.211 INFO [stderr] 
Dec 15 20:51:00.706 INFO [stderr] warning: unused variable: `host`
Dec 15 20:51:00.706 INFO [stderr]    --> src/unix.rs:116:23
Dec 15 20:51:00.706 INFO [stderr]     |
Dec 15 20:51:00.706 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:51:00.706 INFO [stderr]     |                       ^^^^ help: consider using `_host` instead
Dec 15 20:51:00.707 INFO [stderr]     |
Dec 15 20:51:00.707 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 20:51:00.707 INFO [stderr] 
Dec 15 20:51:00.707 INFO [stderr] warning: unused variable: `port`
Dec 15 20:51:00.707 INFO [stderr]    --> src/unix.rs:116:35
Dec 15 20:51:00.707 INFO [stderr]     |
Dec 15 20:51:00.707 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:51:00.707 INFO [stderr]     |                                   ^^^^ help: consider using `_port` instead
Dec 15 20:51:00.707 INFO [stderr] 
Dec 15 20:51:00.707 INFO [stderr] warning: unused variable: `scheme`
Dec 15 20:51:00.707 INFO [stderr]    --> src/unix.rs:116:46
Dec 15 20:51:00.707 INFO [stderr]     |
Dec 15 20:51:00.707 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:51:00.707 INFO [stderr]     |                                              ^^^^^^ help: consider using `_scheme` instead
Dec 15 20:51:00.707 INFO [stderr] 
Dec 15 20:51:01.303 INFO [stderr] warning: struct is never constructed: `MemoryStream`
Dec 15 20:51:01.303 INFO [stderr]  --> src/util.rs:8:1
Dec 15 20:51:01.303 INFO [stderr]   |
Dec 15 20:51:01.303 INFO [stderr] 8 | pub struct MemoryStream {
Dec 15 20:51:01.303 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:01.303 INFO [stderr]   |
Dec 15 20:51:01.303 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 15 20:51:01.303 INFO [stderr] 
Dec 15 20:51:01.303 INFO [stderr] warning: method is never used: `with_input`
Dec 15 20:51:01.303 INFO [stderr]   --> src/util.rs:14:5
Dec 15 20:51:01.303 INFO [stderr]    |
Dec 15 20:51:01.303 INFO [stderr] 14 |     pub fn with_input(input: &[u8]) -> MemoryStream {
Dec 15 20:51:01.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:01.303 INFO [stderr] 
Dec 15 20:51:01.303 INFO [stderr] warning: method is never used: `into_inner`
Dec 15 20:51:01.303 INFO [stderr]   --> src/util.rs:21:5
Dec 15 20:51:01.303 INFO [stderr]    |
Dec 15 20:51:01.303 INFO [stderr] 21 |     pub fn into_inner(self) -> Vec<u8> {
Dec 15 20:51:01.303 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:01.303 INFO [stderr] 
Dec 15 20:51:06.526 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.98s
Dec 15 20:51:06.541 INFO [stderr] su: No module specific data is present
Dec 15 20:51:07.109 INFO running `"docker" "inspect" "ca169461ee77c743c214685ada118fa140bff182cc97a07d38f66fbb2e7f4ee8"`
Dec 15 20:51:07.295 INFO running `"docker" "rm" "-f" "ca169461ee77c743c214685ada118fa140bff182cc97a07d38f66fbb2e7f4ee8"`
Dec 15 20:51:07.590 INFO [stdout] ca169461ee77c743c214685ada118fa140bff182cc97a07d38f66fbb2e7f4ee8
Dec 15 20:51:07.595 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 20:51:08.025 INFO [stdout] de89cdfc7280746d22ca673fe0e84b175c40c3c43f538d9566af59c272d59427
Dec 15 20:51:08.027 INFO running `"docker" "start" "-a" "de89cdfc7280746d22ca673fe0e84b175c40c3c43f538d9566af59c272d59427"`
Dec 15 20:51:09.131 INFO [stderr] usermod: no changes
Dec 15 20:51:09.428 INFO [stderr]    Compiling boondock v0.0.50 (/source)
Dec 15 20:51:25.763 INFO [stderr] warning: unused import: `std`
Dec 15 20:51:25.763 INFO [stderr]  --> src/util.rs:1:5
Dec 15 20:51:25.763 INFO [stderr]   |
Dec 15 20:51:25.763 INFO [stderr] 1 | use std;
Dec 15 20:51:25.763 INFO [stderr]   |     ^^^
Dec 15 20:51:25.763 INFO [stderr]   |
Dec 15 20:51:25.763 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 20:51:25.763 INFO [stderr] 
Dec 15 20:51:25.763 INFO [stderr] warning: unused import: `std`
Dec 15 20:51:25.763 INFO [stderr]  --> src/unix.rs:1:5
Dec 15 20:51:25.763 INFO [stderr]   |
Dec 15 20:51:25.763 INFO [stderr] 1 | use std;
Dec 15 20:51:25.763 INFO [stderr]   |     ^^^
Dec 15 20:51:25.763 INFO [stderr] 
Dec 15 20:51:25.763 INFO [stderr] warning: unused import: `ToSocketAddrs`
Dec 15 20:51:25.763 INFO [stderr]  --> src/unix.rs:5:28
Dec 15 20:51:25.763 INFO [stderr]   |
Dec 15 20:51:25.763 INFO [stderr] 5 | use std::net::{SocketAddr, ToSocketAddrs, SocketAddrV4, Ipv4Addr, Shutdown};
Dec 15 20:51:25.764 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 15 20:51:25.764 INFO [stderr] 
Dec 15 20:51:25.767 INFO [stderr] warning: unused import: `std`
Dec 15 20:51:25.767 INFO [stderr]  --> src/docker.rs:1:5
Dec 15 20:51:25.767 INFO [stderr]   |
Dec 15 20:51:25.767 INFO [stderr] 1 | use std;
Dec 15 20:51:25.767 INFO [stderr]   |     ^^^
Dec 15 20:51:25.767 INFO [stderr] 
Dec 15 20:51:25.767 INFO [stderr] warning: unused import: `std::collections::BTreeMap`
Dec 15 20:51:25.767 INFO [stderr]  --> src/docker.rs:2:5
Dec 15 20:51:25.767 INFO [stderr]   |
Dec 15 20:51:25.767 INFO [stderr] 2 | use std::collections::BTreeMap;
Dec 15 20:51:25.767 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:25.767 INFO [stderr] 
Dec 15 20:51:25.767 INFO [stderr] warning: unused import: `self`
Dec 15 20:51:25.767 INFO [stderr]  --> src/docker.rs:6:15
Dec 15 20:51:25.767 INFO [stderr]   |
Dec 15 20:51:25.767 INFO [stderr] 6 | use std::io::{self, Read};
Dec 15 20:51:25.767 INFO [stderr]   |               ^^^^
Dec 15 20:51:25.767 INFO [stderr] 
Dec 15 20:51:25.767 INFO [stderr] warning: unused import: `hyper`
Dec 15 20:51:25.767 INFO [stderr]  --> src/docker.rs:7:5
Dec 15 20:51:25.767 INFO [stderr]   |
Dec 15 20:51:25.767 INFO [stderr] 7 | use hyper;
Dec 15 20:51:25.767 INFO [stderr]   |     ^^^^^
Dec 15 20:51:25.767 INFO [stderr] 
Dec 15 20:51:25.767 INFO [stderr] warning: unused import: `openssl::ssl::error::SslError`
Dec 15 20:51:25.767 INFO [stderr]   --> src/docker.rs:18:5
Dec 15 20:51:25.767 INFO [stderr]    |
Dec 15 20:51:25.767 INFO [stderr] 18 | use openssl::ssl::error::SslError;
Dec 15 20:51:25.767 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:25.767 INFO [stderr] 
Dec 15 20:51:25.767 INFO [stderr] warning: unused import: `std::error::Error`
Dec 15 20:51:25.767 INFO [stderr]  --> src/container.rs:2:5
Dec 15 20:51:25.767 INFO [stderr]   |
Dec 15 20:51:25.767 INFO [stderr] 2 | use std::error::Error;
Dec 15 20:51:25.767 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 15 20:51:25.767 INFO [stderr] 
Dec 15 20:51:25.767 INFO [stderr] warning: unused import: `std`
Dec 15 20:51:25.767 INFO [stderr]  --> src/stats.rs:3:5
Dec 15 20:51:25.767 INFO [stderr]   |
Dec 15 20:51:25.767 INFO [stderr] 3 | use std;
Dec 15 20:51:25.767 INFO [stderr]   |     ^^^
Dec 15 20:51:25.771 INFO [stderr] 
Dec 15 20:51:26.299 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 20:51:26.299 INFO [stderr]   --> src/docker.rs:57:25
Dec 15 20:51:26.299 INFO [stderr]    |
Dec 15 20:51:26.299 INFO [stderr] 57 |         let home = try!(env::home_dir()
Dec 15 20:51:26.299 INFO [stderr]    |                         ^^^^^^^^^^^^^
Dec 15 20:51:26.299 INFO [stderr]    |
Dec 15 20:51:26.299 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 15 20:51:26.300 INFO [stderr] 
Dec 15 20:51:30.012 INFO [stderr] warning: unused variable: `host`
Dec 15 20:51:30.012 INFO [stderr]    --> src/unix.rs:116:23
Dec 15 20:51:30.012 INFO [stderr]     |
Dec 15 20:51:30.012 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:51:30.012 INFO [stderr]     |                       ^^^^ help: consider using `_host` instead
Dec 15 20:51:30.012 INFO [stderr]     |
Dec 15 20:51:30.012 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 20:51:30.012 INFO [stderr] 
Dec 15 20:51:30.012 INFO [stderr] warning: unused variable: `port`
Dec 15 20:51:30.012 INFO [stderr]    --> src/unix.rs:116:35
Dec 15 20:51:30.012 INFO [stderr]     |
Dec 15 20:51:30.012 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:51:30.012 INFO [stderr]     |                                   ^^^^ help: consider using `_port` instead
Dec 15 20:51:30.012 INFO [stderr] 
Dec 15 20:51:30.019 INFO [stderr] warning: unused variable: `scheme`
Dec 15 20:51:30.019 INFO [stderr]    --> src/unix.rs:116:46
Dec 15 20:51:30.019 INFO [stderr]     |
Dec 15 20:51:30.019 INFO [stderr] 116 |     fn connect(&self, host: &str, port: u16, scheme: &str) -> hyper::error::Result<HttpUnixStream> {
Dec 15 20:51:30.019 INFO [stderr]     |                                              ^^^^^^ help: consider using `_scheme` instead
Dec 15 20:51:30.019 INFO [stderr] 
Dec 15 20:51:30.892 INFO [stderr] warning: function is never used: `get_containers_response_long`
Dec 15 20:51:30.892 INFO [stderr]    --> src/test.rs:132:1
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.892 INFO [stderr] 132 | fn get_containers_response_long() -> String {
Dec 15 20:51:30.892 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.892 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 15 20:51:30.892 INFO [stderr] 
Dec 15 20:51:30.892 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 20:51:30.892 INFO [stderr]    --> src/test.rs:176:5
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.892 INFO [stderr] 176 |     writer.write(s1.as_bytes());
Dec 15 20:51:30.892 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.892 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 15 20:51:30.892 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 20:51:30.892 INFO [stderr] 
Dec 15 20:51:30.892 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 20:51:30.892 INFO [stderr]    --> src/test.rs:177:5
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.892 INFO [stderr] 177 |     writer.write(b"\n");
Dec 15 20:51:30.892 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.892 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 20:51:30.892 INFO [stderr] 
Dec 15 20:51:30.892 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 20:51:30.892 INFO [stderr]    --> src/test.rs:178:5
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.892 INFO [stderr] 178 |     writer.write(s2.as_bytes());
Dec 15 20:51:30.892 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.892 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 20:51:30.892 INFO [stderr] 
Dec 15 20:51:30.892 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 20:51:30.892 INFO [stderr]    --> src/test.rs:179:5
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.892 INFO [stderr] 179 |     writer.write(b"\n");
Dec 15 20:51:30.892 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.892 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 20:51:30.892 INFO [stderr] 
Dec 15 20:51:30.892 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 20:51:30.892 INFO [stderr]    --> src/test.rs:180:5
Dec 15 20:51:30.892 INFO [stderr]     |
Dec 15 20:51:30.893 INFO [stderr] 180 |     writer.write(s3.as_bytes());
Dec 15 20:51:30.893 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 20:51:30.893 INFO [stderr]     |
Dec 15 20:51:30.893 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 20:51:30.893 INFO [stderr] 
Dec 15 20:51:40.695 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.56s
Dec 15 20:51:40.710 INFO [stderr] su: No module specific data is present
Dec 15 20:51:41.057 INFO running `"docker" "inspect" "de89cdfc7280746d22ca673fe0e84b175c40c3c43f538d9566af59c272d59427"`
Dec 15 20:51:41.114 INFO running `"docker" "rm" "-f" "de89cdfc7280746d22ca673fe0e84b175c40c3c43f538d9566af59c272d59427"`
Dec 15 20:51:41.209 INFO [stdout] de89cdfc7280746d22ca673fe0e84b175c40c3c43f538d9566af59c272d59427
Dec 15 20:51:41.211 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 20:51:41.422 INFO [stdout] 2abe8af6958b90f193b7516e31981afc4a20c44f4d81b47d93f52b0d30da6911
Dec 15 20:51:41.424 INFO running `"docker" "start" "-a" "2abe8af6958b90f193b7516e31981afc4a20c44f4d81b47d93f52b0d30da6911"`
Dec 15 20:51:42.017 INFO [stderr] usermod: no changes
Dec 15 20:51:42.147 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Dec 15 20:51:42.164 INFO [stderr]      Running /target/debug/deps/boondock-4dcc6c4b982c0dde
Dec 15 20:51:42.168 INFO [stdout] 
Dec 15 20:51:42.168 INFO [stdout] running 9 tests
Dec 15 20:51:42.168 INFO [stdout] test test::get_processes ... ok
Dec 15 20:51:42.169 INFO [stdout] test test::get_filesystem_changes ... ok
Dec 15 20:51:42.169 INFO [stdout] test test::get_images ... ok
Dec 15 20:51:42.169 INFO [stdout] test test::get_container_info ... ok
Dec 15 20:51:42.171 INFO [stdout] test test::get_system_info ... ok
Dec 15 20:51:42.171 INFO [stdout] test test::get_containers ... ok
Dec 15 20:51:42.172 INFO [stdout] test test::get_stats_single ... ok
Dec 15 20:51:42.172 INFO [stdout] test test::get_version ... ok
Dec 15 20:51:42.288 INFO [stdout] test test::get_stats_streaming ... ok
Dec 15 20:51:42.288 INFO [stdout] 
Dec 15 20:51:42.288 INFO [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:51:42.288 INFO [stdout] 
Dec 15 20:51:42.292 INFO [stderr]    Doc-tests boondock
Dec 15 20:51:48.674 INFO [stdout] 
Dec 15 20:51:48.674 INFO [stdout] running 0 tests
Dec 15 20:51:48.674 INFO [stdout] 
Dec 15 20:51:48.674 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 20:51:48.674 INFO [stdout] 
Dec 15 20:51:48.689 INFO [stderr] su: No module specific data is present
Dec 15 20:51:49.157 INFO running `"docker" "inspect" "2abe8af6958b90f193b7516e31981afc4a20c44f4d81b47d93f52b0d30da6911"`
Dec 15 20:51:49.263 INFO running `"docker" "rm" "-f" "2abe8af6958b90f193b7516e31981afc4a20c44f4d81b47d93f52b0d30da6911"`
Dec 15 20:51:49.516 INFO [stdout] 2abe8af6958b90f193b7516e31981afc4a20c44f4d81b47d93f52b0d30da6911