Dec 14 01:31:37.292 INFO testing benschau/rsh against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 01:31:37.292 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 14 01:31:37.471 INFO [stdout] 3a41d570872f29a3df1a73680de47d889d1da1f6e205a320782f00f3b8c33d72
Dec 14 01:31:37.479 INFO running `"docker" "start" "-a" "3a41d570872f29a3df1a73680de47d889d1da1f6e205a320782f00f3b8c33d72"`
Dec 14 01:31:37.983 INFO [stderr] usermod: no changes
Dec 14 01:31:38.046 INFO [stderr]    Compiling nix v0.11.0
Dec 14 01:31:45.708 INFO [stderr]    Compiling rsh v0.1.0 (/source)
Dec 14 01:31:46.297 INFO [stderr] warning: unused import: `std::fs::File`
Dec 14 01:31:46.297 INFO [stderr]  --> src/lib.rs:7:5
Dec 14 01:31:46.297 INFO [stderr]   |
Dec 14 01:31:46.297 INFO [stderr] 7 | use std::fs::File;
Dec 14 01:31:46.297 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 14 01:31:46.297 INFO [stderr]   |
Dec 14 01:31:46.297 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 01:31:46.297 INFO [stderr] 
Dec 14 01:31:46.297 INFO [stderr] warning: unused import: `Stdio`
Dec 14 01:31:46.297 INFO [stderr]   --> src/lib.rs:11:29
Dec 14 01:31:46.297 INFO [stderr]    |
Dec 14 01:31:46.297 INFO [stderr] 11 | use std::process::{Command, Stdio};
Dec 14 01:31:46.297 INFO [stderr]    |                             ^^^^^
Dec 14 01:31:46.297 INFO [stderr] 
Dec 14 01:31:46.297 INFO [stderr] warning: unused imports: `FromRawFd`, `IntoRawFd`
Dec 14 01:31:46.297 INFO [stderr]   --> src/lib.rs:12:25
Dec 14 01:31:46.297 INFO [stderr]    |
Dec 14 01:31:46.297 INFO [stderr] 12 | use std::os::unix::io::{FromRawFd, IntoRawFd};
Dec 14 01:31:46.297 INFO [stderr]    |                         ^^^^^^^^^  ^^^^^^^^^
Dec 14 01:31:46.297 INFO [stderr] 
Dec 14 01:31:46.297 INFO [stderr] warning: unused import: `rustyline::error::ReadlineError`
Dec 14 01:31:46.297 INFO [stderr]   --> src/lib.rs:15:5
Dec 14 01:31:46.297 INFO [stderr]    |
Dec 14 01:31:46.297 INFO [stderr] 15 | use rustyline::error::ReadlineError;
Dec 14 01:31:46.297 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:31:46.297 INFO [stderr] 
Dec 14 01:31:46.297 INFO [stderr] warning: unused import: `nix::unistd::pipe`
Dec 14 01:31:46.297 INFO [stderr]   --> src/lib.rs:18:5
Dec 14 01:31:46.297 INFO [stderr]    |
Dec 14 01:31:46.297 INFO [stderr] 18 | use nix::unistd::pipe;
Dec 14 01:31:46.297 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 14 01:31:46.297 INFO [stderr] 
Dec 14 01:31:46.297 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 14 01:31:46.297 INFO [stderr]   --> src/builtin.rs:54:8
Dec 14 01:31:46.297 INFO [stderr]    |
Dec 14 01:31:46.297 INFO [stderr] 54 |     Ok((0))
Dec 14 01:31:46.297 INFO [stderr]    |        ^^^ help: remove these parentheses
Dec 14 01:31:46.297 INFO [stderr]    |
Dec 14 01:31:46.297 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 14 01:31:46.297 INFO [stderr] 
Dec 14 01:31:46.297 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 14 01:31:46.297 INFO [stderr]   --> src/builtin.rs:61:8
Dec 14 01:31:46.297 INFO [stderr]    |
Dec 14 01:31:46.297 INFO [stderr] 61 |     Ok((env::current_dir().unwrap()))
Dec 14 01:31:46.297 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 01:31:46.297 INFO [stderr] 
Dec 14 01:31:46.405 INFO [stderr] warning: unused variable: `env`
Dec 14 01:31:46.405 INFO [stderr]   --> src/builtin.rs:38:15
Dec 14 01:31:46.405 INFO [stderr]    |
Dec 14 01:31:46.405 INFO [stderr] 38 | pub fn export(env: &[String]) -> Result<(), Box<Error>> {
Dec 14 01:31:46.405 INFO [stderr]    |               ^^^ help: consider using `_env` instead
Dec 14 01:31:46.405 INFO [stderr]    |
Dec 14 01:31:46.405 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 01:31:46.405 INFO [stderr] 
Dec 14 01:31:46.405 INFO [stderr] warning: unused variable: `string`
Dec 14 01:31:46.405 INFO [stderr]   --> src/builtin.rs:52:13
Dec 14 01:31:46.405 INFO [stderr]    |
Dec 14 01:31:46.405 INFO [stderr] 52 | pub fn hash(string: &str) -> Result<(u32), Box<Error>> {
Dec 14 01:31:46.405 INFO [stderr]    |             ^^^^^^ help: consider using `_string` instead
Dec 14 01:31:46.405 INFO [stderr] 
Dec 14 01:31:46.407 INFO [stderr] warning: unused variable: `stdin`
Dec 14 01:31:46.407 INFO [stderr]   --> src/lib.rs:48:9
Dec 14 01:31:46.407 INFO [stderr]    |
Dec 14 01:31:46.407 INFO [stderr] 48 |     let stdin = io::stdin();
Dec 14 01:31:46.407 INFO [stderr]    |         ^^^^^ help: consider using `_stdin` instead
Dec 14 01:31:46.407 INFO [stderr] 
Dec 14 01:31:46.407 INFO [stderr] warning: variable `pwd` is assigned to, but never used
Dec 14 01:31:46.407 INFO [stderr]   --> src/lib.rs:51:13
Dec 14 01:31:46.407 INFO [stderr]    |
Dec 14 01:31:46.407 INFO [stderr] 51 |     let mut pwd: PathBuf;
Dec 14 01:31:46.407 INFO [stderr]    |             ^^^
Dec 14 01:31:46.407 INFO [stderr]    |
Dec 14 01:31:46.407 INFO [stderr]    = note: consider using `_pwd` instead
Dec 14 01:31:46.407 INFO [stderr] 
Dec 14 01:31:46.407 INFO [stderr] warning: value assigned to `pwd` is never read
Dec 14 01:31:46.407 INFO [stderr]   --> src/lib.rs:63:9
Dec 14 01:31:46.407 INFO [stderr]    |
Dec 14 01:31:46.407 INFO [stderr] 63 |         pwd = builtin::pwd()?;
Dec 14 01:31:46.407 INFO [stderr]    |         ^^^
Dec 14 01:31:46.407 INFO [stderr]    |
Dec 14 01:31:46.407 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 01:31:46.407 INFO [stderr] 
Dec 14 01:31:46.407 INFO [stderr] warning: unused variable: `e`
Dec 14 01:31:46.407 INFO [stderr]    --> src/lib.rs:107:25
Dec 14 01:31:46.407 INFO [stderr]     |
Dec 14 01:31:46.407 INFO [stderr] 107 |                     Err(e) => {
Dec 14 01:31:46.407 INFO [stderr]     |                         ^ help: consider using `_e` instead
Dec 14 01:31:46.408 INFO [stderr] 
Dec 14 01:31:46.408 INFO [stderr] warning: unused variable: `config`
Dec 14 01:31:46.408 INFO [stderr]   --> src/lib.rs:47:12
Dec 14 01:31:46.408 INFO [stderr]    |
Dec 14 01:31:46.408 INFO [stderr] 47 | pub fn run(config: Config) -> Result<(), Box<Error>> {
Dec 14 01:31:46.408 INFO [stderr]    |            ^^^^^^ help: consider using `_config` instead
Dec 14 01:31:46.408 INFO [stderr] 
Dec 14 01:31:46.408 INFO [stderr] warning: unused variable: `i`
Dec 14 01:31:46.408 INFO [stderr]    --> src/lib.rs:171:10
Dec 14 01:31:46.408 INFO [stderr]     |
Dec 14 01:31:46.408 INFO [stderr] 171 |     for (i, token) in tokens.iter().enumerate() {
Dec 14 01:31:46.408 INFO [stderr]     |          ^ help: consider using `_i` instead
Dec 14 01:31:46.408 INFO [stderr] 
Dec 14 01:31:46.414 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:31:46.414 INFO [stderr]   --> src/lib.rs:52:9
Dec 14 01:31:46.414 INFO [stderr]    |
Dec 14 01:31:46.414 INFO [stderr] 52 |     let mut running: bool = true;
Dec 14 01:31:46.414 INFO [stderr]    |         ----^^^^^^^
Dec 14 01:31:46.414 INFO [stderr]    |         |
Dec 14 01:31:46.414 INFO [stderr]    |         help: remove this `mut`
Dec 14 01:31:46.414 INFO [stderr]    |
Dec 14 01:31:46.414 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 01:31:46.414 INFO [stderr] 
Dec 14 01:31:46.421 INFO [stderr] warning: static item is never used: `HELP`
Dec 14 01:31:46.421 INFO [stderr]   --> src/builtin.rs:10:1
Dec 14 01:31:46.422 INFO [stderr]    |
Dec 14 01:31:46.422 INFO [stderr] 10 | / static HELP: &'static str = "
Dec 14 01:31:46.422 INFO [stderr] 11 | |     exit - exits the shell.     
Dec 14 01:31:46.422 INFO [stderr] 12 | | ";
Dec 14 01:31:46.422 INFO [stderr]    | |__^
Dec 14 01:31:46.422 INFO [stderr]    |
Dec 14 01:31:46.422 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 01:31:46.422 INFO [stderr] 
Dec 14 01:31:46.422 INFO [stderr] warning: function is never used: `help`
Dec 14 01:31:46.422 INFO [stderr]   --> src/builtin.rs:17:1
Dec 14 01:31:46.422 INFO [stderr]    |
Dec 14 01:31:46.422 INFO [stderr] 17 | pub fn help() {
Dec 14 01:31:46.422 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 14 01:31:46.422 INFO [stderr] 
Dec 14 01:31:46.422 INFO [stderr] warning: function is never used: `cd`
Dec 14 01:31:46.422 INFO [stderr]   --> src/builtin.rs:31:1
Dec 14 01:31:46.422 INFO [stderr]    |
Dec 14 01:31:46.422 INFO [stderr] 31 | pub fn cd(path: PathBuf) {
Dec 14 01:31:46.422 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:31:46.422 INFO [stderr] 
Dec 14 01:31:46.422 INFO [stderr] warning: function is never used: `export`
Dec 14 01:31:46.422 INFO [stderr]   --> src/builtin.rs:38:1
Dec 14 01:31:46.422 INFO [stderr]    |
Dec 14 01:31:46.422 INFO [stderr] 38 | pub fn export(env: &[String]) -> Result<(), Box<Error>> {
Dec 14 01:31:46.422 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:31:46.422 INFO [stderr] 
Dec 14 01:31:46.422 INFO [stderr] warning: function is never used: `unset`
Dec 14 01:31:46.422 INFO [stderr]   --> src/builtin.rs:45:1
Dec 14 01:31:46.422 INFO [stderr]    |
Dec 14 01:31:46.422 INFO [stderr] 45 | pub fn unset() -> Result<(), Box<Error>> {
Dec 14 01:31:46.422 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:31:46.422 INFO [stderr] 
Dec 14 01:31:46.422 INFO [stderr] warning: function is never used: `hash`
Dec 14 01:31:46.422 INFO [stderr]   --> src/builtin.rs:52:1
Dec 14 01:31:46.422 INFO [stderr]    |
Dec 14 01:31:46.422 INFO [stderr] 52 | pub fn hash(string: &str) -> Result<(u32), Box<Error>> {
Dec 14 01:31:46.422 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:31:46.422 INFO [stderr] 
Dec 14 01:31:46.422 INFO [stderr] warning: field is never used: `stdin_fd`
Dec 14 01:31:46.422 INFO [stderr]    --> src/lib.rs:121:5
Dec 14 01:31:46.422 INFO [stderr]     |
Dec 14 01:31:46.422 INFO [stderr] 121 |     stdin_fd: c_int,
Dec 14 01:31:46.422 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 14 01:31:46.422 INFO [stderr] 
Dec 14 01:31:46.422 INFO [stderr] warning: field is never used: `stdout_fd`
Dec 14 01:31:46.422 INFO [stderr]    --> src/lib.rs:122:5
Dec 14 01:31:46.422 INFO [stderr]     |
Dec 14 01:31:46.422 INFO [stderr] 122 |     stdout_fd: c_int,
Dec 14 01:31:46.422 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 14 01:31:46.422 INFO [stderr] 
Dec 14 01:31:46.422 INFO [stderr] warning: field is never used: `stderr_fd`
Dec 14 01:31:46.422 INFO [stderr]    --> src/lib.rs:123:5
Dec 14 01:31:46.422 INFO [stderr]     |
Dec 14 01:31:46.422 INFO [stderr] 123 |     stderr_fd: c_int,
Dec 14 01:31:46.422 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 14 01:31:46.422 INFO [stderr] 
Dec 14 01:31:48.931 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.92s
Dec 14 01:31:48.935 INFO [stderr] su: No module specific data is present
Dec 14 01:31:49.629 INFO running `"docker" "inspect" "3a41d570872f29a3df1a73680de47d889d1da1f6e205a320782f00f3b8c33d72"`
Dec 14 01:31:49.953 INFO running `"docker" "rm" "-f" "3a41d570872f29a3df1a73680de47d889d1da1f6e205a320782f00f3b8c33d72"`
Dec 14 01:31:50.230 INFO [stdout] 3a41d570872f29a3df1a73680de47d889d1da1f6e205a320782f00f3b8c33d72
Dec 14 01:31:50.235 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 14 01:31:50.643 INFO [stdout] 010c2c7c736810d1fe86b20f56ba3a96149a0418917aa9b8f363027531351e8b
Dec 14 01:31:50.645 INFO running `"docker" "start" "-a" "010c2c7c736810d1fe86b20f56ba3a96149a0418917aa9b8f363027531351e8b"`
Dec 14 01:31:51.748 INFO [stderr] usermod: no changes
Dec 14 01:31:51.822 INFO [stderr]    Compiling rsh v0.1.0 (/source)
Dec 14 01:31:52.875 INFO [stderr] warning: unused import: `std::fs::File`
Dec 14 01:31:52.875 INFO [stderr]  --> src/lib.rs:7:5
Dec 14 01:31:52.875 INFO [stderr]   |
Dec 14 01:31:52.875 INFO [stderr] 7 | use std::fs::File;
Dec 14 01:31:52.875 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 14 01:31:52.875 INFO [stderr]   |
Dec 14 01:31:52.875 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 01:31:52.875 INFO [stderr] 
Dec 14 01:31:52.875 INFO [stderr] warning: unused import: `Stdio`
Dec 14 01:31:52.875 INFO [stderr]   --> src/lib.rs:11:29
Dec 14 01:31:52.875 INFO [stderr]    |
Dec 14 01:31:52.875 INFO [stderr] 11 | use std::process::{Command, Stdio};
Dec 14 01:31:52.875 INFO [stderr]    |                             ^^^^^
Dec 14 01:31:52.875 INFO [stderr] 
Dec 14 01:31:52.875 INFO [stderr] warning: unused imports: `FromRawFd`, `IntoRawFd`
Dec 14 01:31:52.875 INFO [stderr]   --> src/lib.rs:12:25
Dec 14 01:31:52.875 INFO [stderr]    |
Dec 14 01:31:52.875 INFO [stderr] 12 | use std::os::unix::io::{FromRawFd, IntoRawFd};
Dec 14 01:31:52.875 INFO [stderr]    |                         ^^^^^^^^^  ^^^^^^^^^
Dec 14 01:31:52.875 INFO [stderr] 
Dec 14 01:31:52.875 INFO [stderr] warning: unused import: `rustyline::error::ReadlineError`
Dec 14 01:31:52.875 INFO [stderr]   --> src/lib.rs:15:5
Dec 14 01:31:52.875 INFO [stderr]    |
Dec 14 01:31:52.875 INFO [stderr] 15 | use rustyline::error::ReadlineError;
Dec 14 01:31:52.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:31:52.875 INFO [stderr] 
Dec 14 01:31:52.875 INFO [stderr] warning: unused import: `nix::unistd::pipe`
Dec 14 01:31:52.875 INFO [stderr]   --> src/lib.rs:18:5
Dec 14 01:31:52.875 INFO [stderr]    |
Dec 14 01:31:52.875 INFO [stderr] 18 | use nix::unistd::pipe;
Dec 14 01:31:52.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 14 01:31:52.875 INFO [stderr] 
Dec 14 01:31:52.875 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 14 01:31:52.875 INFO [stderr]   --> src/builtin.rs:54:8
Dec 14 01:31:52.875 INFO [stderr]    |
Dec 14 01:31:52.875 INFO [stderr] 54 |     Ok((0))
Dec 14 01:31:52.875 INFO [stderr]    |        ^^^ help: remove these parentheses
Dec 14 01:31:52.875 INFO [stderr]    |
Dec 14 01:31:52.875 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 14 01:31:52.875 INFO [stderr] 
Dec 14 01:31:52.875 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 14 01:31:52.875 INFO [stderr]   --> src/builtin.rs:61:8
Dec 14 01:31:52.875 INFO [stderr]    |
Dec 14 01:31:52.875 INFO [stderr] 61 |     Ok((env::current_dir().unwrap()))
Dec 14 01:31:52.875 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 14 01:31:52.875 INFO [stderr] 
Dec 14 01:31:52.875 INFO [stderr] warning: unused import: `super::*`
Dec 14 01:31:52.875 INFO [stderr]    --> src/lib.rs:203:9
Dec 14 01:31:52.875 INFO [stderr]     |
Dec 14 01:31:52.876 INFO [stderr] 203 |     use super::*;
Dec 14 01:31:52.876 INFO [stderr]     |         ^^^^^^^^
Dec 14 01:31:52.876 INFO [stderr] 
Dec 14 01:31:53.006 INFO [stderr] warning: unused variable: `env`
Dec 14 01:31:53.006 INFO [stderr]   --> src/builtin.rs:38:15
Dec 14 01:31:53.006 INFO [stderr]    |
Dec 14 01:31:53.006 INFO [stderr] 38 | pub fn export(env: &[String]) -> Result<(), Box<Error>> {
Dec 14 01:31:53.006 INFO [stderr]    |               ^^^ help: consider using `_env` instead
Dec 14 01:31:53.006 INFO [stderr]    |
Dec 14 01:31:53.006 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 01:31:53.006 INFO [stderr] 
Dec 14 01:31:53.006 INFO [stderr] warning: unused variable: `string`
Dec 14 01:31:53.006 INFO [stderr]   --> src/builtin.rs:52:13
Dec 14 01:31:53.006 INFO [stderr]    |
Dec 14 01:31:53.006 INFO [stderr] 52 | pub fn hash(string: &str) -> Result<(u32), Box<Error>> {
Dec 14 01:31:53.006 INFO [stderr]    |             ^^^^^^ help: consider using `_string` instead
Dec 14 01:31:53.006 INFO [stderr] 
Dec 14 01:31:53.006 INFO [stderr] warning: unused variable: `stdin`
Dec 14 01:31:53.006 INFO [stderr]   --> src/lib.rs:48:9
Dec 14 01:31:53.006 INFO [stderr]    |
Dec 14 01:31:53.006 INFO [stderr] 48 |     let stdin = io::stdin();
Dec 14 01:31:53.006 INFO [stderr]    |         ^^^^^ help: consider using `_stdin` instead
Dec 14 01:31:53.006 INFO [stderr] 
Dec 14 01:31:53.006 INFO [stderr] warning: variable `pwd` is assigned to, but never used
Dec 14 01:31:53.006 INFO [stderr]   --> src/lib.rs:51:13
Dec 14 01:31:53.006 INFO [stderr]    |
Dec 14 01:31:53.006 INFO [stderr] 51 |     let mut pwd: PathBuf;
Dec 14 01:31:53.006 INFO [stderr]    |             ^^^
Dec 14 01:31:53.006 INFO [stderr]    |
Dec 14 01:31:53.006 INFO [stderr]    = note: consider using `_pwd` instead
Dec 14 01:31:53.006 INFO [stderr] 
Dec 14 01:31:53.006 INFO [stderr] warning: value assigned to `pwd` is never read
Dec 14 01:31:53.006 INFO [stderr]   --> src/lib.rs:63:9
Dec 14 01:31:53.006 INFO [stderr]    |
Dec 14 01:31:53.006 INFO [stderr] 63 |         pwd = builtin::pwd()?;
Dec 14 01:31:53.006 INFO [stderr]    |         ^^^
Dec 14 01:31:53.006 INFO [stderr]    |
Dec 14 01:31:53.006 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 14 01:31:53.006 INFO [stderr] 
Dec 14 01:31:53.007 INFO [stderr] warning: unused variable: `e`
Dec 14 01:31:53.007 INFO [stderr]    --> src/lib.rs:107:25
Dec 14 01:31:53.007 INFO [stderr]     |
Dec 14 01:31:53.007 INFO [stderr] 107 |                     Err(e) => {
Dec 14 01:31:53.007 INFO [stderr]     |                         ^ help: consider using `_e` instead
Dec 14 01:31:53.007 INFO [stderr] 
Dec 14 01:31:53.007 INFO [stderr] warning: unused variable: `config`
Dec 14 01:31:53.007 INFO [stderr]   --> src/lib.rs:47:12
Dec 14 01:31:53.007 INFO [stderr]    |
Dec 14 01:31:53.007 INFO [stderr] 47 | pub fn run(config: Config) -> Result<(), Box<Error>> {
Dec 14 01:31:53.007 INFO [stderr]    |            ^^^^^^ help: consider using `_config` instead
Dec 14 01:31:53.007 INFO [stderr] 
Dec 14 01:31:53.007 INFO [stderr] warning: unused variable: `i`
Dec 14 01:31:53.007 INFO [stderr]    --> src/lib.rs:171:10
Dec 14 01:31:53.007 INFO [stderr]     |
Dec 14 01:31:53.007 INFO [stderr] 171 |     for (i, token) in tokens.iter().enumerate() {
Dec 14 01:31:53.007 INFO [stderr]     |          ^ help: consider using `_i` instead
Dec 14 01:31:53.007 INFO [stderr] 
Dec 14 01:31:53.007 INFO [stderr] warning: unused variable: `filetype`
Dec 14 01:31:53.007 INFO [stderr]    --> src/lib.rs:207:13
Dec 14 01:31:53.007 INFO [stderr]     |
Dec 14 01:31:53.007 INFO [stderr] 207 |         let filetype = "startup";
Dec 14 01:31:53.007 INFO [stderr]     |             ^^^^^^^^ help: consider using `_filetype` instead
Dec 14 01:31:53.007 INFO [stderr] 
Dec 14 01:31:53.011 INFO [stderr] warning: unused variable: `filename`
Dec 14 01:31:53.011 INFO [stderr]    --> src/lib.rs:208:13
Dec 14 01:31:53.011 INFO [stderr]     |
Dec 14 01:31:53.011 INFO [stderr] 208 |         let filename = "./rshrc";
Dec 14 01:31:53.011 INFO [stderr]     |             ^^^^^^^^ help: consider using `_filename` instead
Dec 14 01:31:53.011 INFO [stderr] 
Dec 14 01:31:53.024 INFO [stderr] warning: variable does not need to be mutable
Dec 14 01:31:53.024 INFO [stderr]   --> src/lib.rs:52:9
Dec 14 01:31:53.024 INFO [stderr]    |
Dec 14 01:31:53.024 INFO [stderr] 52 |     let mut running: bool = true;
Dec 14 01:31:53.024 INFO [stderr]    |         ----^^^^^^^
Dec 14 01:31:53.024 INFO [stderr]    |         |
Dec 14 01:31:53.024 INFO [stderr]    |         help: remove this `mut`
Dec 14 01:31:53.024 INFO [stderr]    |
Dec 14 01:31:53.024 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 01:31:53.024 INFO [stderr] 
Dec 14 01:31:53.034 INFO [stderr] warning: static item is never used: `HELP`
Dec 14 01:31:53.034 INFO [stderr]   --> src/builtin.rs:10:1
Dec 14 01:31:53.034 INFO [stderr]    |
Dec 14 01:31:53.034 INFO [stderr] 10 | / static HELP: &'static str = "
Dec 14 01:31:53.034 INFO [stderr] 11 | |     exit - exits the shell.     
Dec 14 01:31:53.034 INFO [stderr] 12 | | ";
Dec 14 01:31:53.034 INFO [stderr]    | |__^
Dec 14 01:31:53.034 INFO [stderr]    |
Dec 14 01:31:53.034 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 14 01:31:53.034 INFO [stderr] 
Dec 14 01:31:53.034 INFO [stderr] warning: function is never used: `help`
Dec 14 01:31:53.034 INFO [stderr]   --> src/builtin.rs:17:1
Dec 14 01:31:53.034 INFO [stderr]    |
Dec 14 01:31:53.034 INFO [stderr] 17 | pub fn help() {
Dec 14 01:31:53.034 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 14 01:31:53.034 INFO [stderr] 
Dec 14 01:31:53.034 INFO [stderr] warning: function is never used: `cd`
Dec 14 01:31:53.034 INFO [stderr]   --> src/builtin.rs:31:1
Dec 14 01:31:53.034 INFO [stderr]    |
Dec 14 01:31:53.034 INFO [stderr] 31 | pub fn cd(path: PathBuf) {
Dec 14 01:31:53.034 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:31:53.034 INFO [stderr] 
Dec 14 01:31:53.034 INFO [stderr] warning: function is never used: `export`
Dec 14 01:31:53.034 INFO [stderr]   --> src/builtin.rs:38:1
Dec 14 01:31:53.034 INFO [stderr]    |
Dec 14 01:31:53.034 INFO [stderr] 38 | pub fn export(env: &[String]) -> Result<(), Box<Error>> {
Dec 14 01:31:53.034 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:31:53.034 INFO [stderr] 
Dec 14 01:31:53.034 INFO [stderr] warning: function is never used: `unset`
Dec 14 01:31:53.034 INFO [stderr]   --> src/builtin.rs:45:1
Dec 14 01:31:53.034 INFO [stderr]    |
Dec 14 01:31:53.034 INFO [stderr] 45 | pub fn unset() -> Result<(), Box<Error>> {
Dec 14 01:31:53.034 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:31:53.034 INFO [stderr] 
Dec 14 01:31:53.034 INFO [stderr] warning: function is never used: `hash`
Dec 14 01:31:53.034 INFO [stderr]   --> src/builtin.rs:52:1
Dec 14 01:31:53.034 INFO [stderr]    |
Dec 14 01:31:53.034 INFO [stderr] 52 | pub fn hash(string: &str) -> Result<(u32), Box<Error>> {
Dec 14 01:31:53.034 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 01:31:53.035 INFO [stderr] 
Dec 14 01:31:53.035 INFO [stderr] warning: field is never used: `stdin_fd`
Dec 14 01:31:53.035 INFO [stderr]    --> src/lib.rs:121:5
Dec 14 01:31:53.035 INFO [stderr]     |
Dec 14 01:31:53.035 INFO [stderr] 121 |     stdin_fd: c_int,
Dec 14 01:31:53.035 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 14 01:31:53.035 INFO [stderr] 
Dec 14 01:31:53.035 INFO [stderr] warning: field is never used: `stdout_fd`
Dec 14 01:31:53.035 INFO [stderr]    --> src/lib.rs:122:5
Dec 14 01:31:53.035 INFO [stderr]     |
Dec 14 01:31:53.035 INFO [stderr] 122 |     stdout_fd: c_int,
Dec 14 01:31:53.035 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 14 01:31:53.035 INFO [stderr] 
Dec 14 01:31:53.035 INFO [stderr] warning: field is never used: `stderr_fd`
Dec 14 01:31:53.035 INFO [stderr]    --> src/lib.rs:123:5
Dec 14 01:31:53.035 INFO [stderr]     |
Dec 14 01:31:53.035 INFO [stderr] 123 |     stderr_fd: c_int,
Dec 14 01:31:53.035 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 14 01:31:53.035 INFO [stderr] 
Dec 14 01:31:53.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
Dec 14 01:31:53.523 INFO [stderr] su: No module specific data is present
Dec 14 01:31:54.007 INFO running `"docker" "inspect" "010c2c7c736810d1fe86b20f56ba3a96149a0418917aa9b8f363027531351e8b"`
Dec 14 01:31:54.173 INFO running `"docker" "rm" "-f" "010c2c7c736810d1fe86b20f56ba3a96149a0418917aa9b8f363027531351e8b"`
Dec 14 01:31:54.344 INFO [stdout] 010c2c7c736810d1fe86b20f56ba3a96149a0418917aa9b8f363027531351e8b
Dec 14 01:31:54.349 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 14 01:31:54.567 INFO [stdout] 44349641c94ce1c72bac2e9b0f64d54c0a2f34ab1d2ddfb6c7ecd8dbce19366b
Dec 14 01:31:54.571 INFO running `"docker" "start" "-a" "44349641c94ce1c72bac2e9b0f64d54c0a2f34ab1d2ddfb6c7ecd8dbce19366b"`
Dec 14 01:31:55.134 INFO [stderr] usermod: no changes
Dec 14 01:31:55.192 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 01:31:55.207 INFO [stderr]      Running /target/debug/deps/rsh-e8900751791478e0
Dec 14 01:31:55.215 INFO [stdout] 
Dec 14 01:31:55.215 INFO [stdout] running 1 test
Dec 14 01:31:55.221 INFO [stdout] test test::config ... ok
Dec 14 01:31:55.222 INFO [stdout] 
Dec 14 01:31:55.222 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 01:31:55.222 INFO [stdout] 
Dec 14 01:31:55.222 INFO [stderr]      Running /target/debug/deps/rsh-a79fa9b4456fe397
Dec 14 01:31:55.224 INFO [stdout] 
Dec 14 01:31:55.224 INFO [stdout] running 0 tests
Dec 14 01:31:55.224 INFO [stdout] 
Dec 14 01:31:55.224 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 01:31:55.224 INFO [stdout] 
Dec 14 01:31:55.225 INFO [stderr]    Doc-tests rsh
Dec 14 01:31:56.516 INFO [stdout] 
Dec 14 01:31:56.516 INFO [stdout] running 0 tests
Dec 14 01:31:56.516 INFO [stdout] 
Dec 14 01:31:56.516 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 01:31:56.516 INFO [stdout] 
Dec 14 01:31:56.524 INFO [stderr] su: No module specific data is present
Dec 14 01:31:57.447 INFO running `"docker" "inspect" "44349641c94ce1c72bac2e9b0f64d54c0a2f34ab1d2ddfb6c7ecd8dbce19366b"`
Dec 14 01:31:57.676 INFO running `"docker" "rm" "-f" "44349641c94ce1c72bac2e9b0f64d54c0a2f34ab1d2ddfb6c7ecd8dbce19366b"`
Dec 14 01:31:58.032 INFO [stdout] 44349641c94ce1c72bac2e9b0f64d54c0a2f34ab1d2ddfb6c7ecd8dbce19366b