Dec 11 12:53:50.215 INFO checking nathantypanski/rash against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 12:53:50.216 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 12:53:50.659 INFO [stdout] 64d16ccd2c6486b1aba849adcf25704020e015de1d75349c9f0f397a3e2f677f
Dec 11 12:53:50.661 INFO running `"docker" "start" "-a" "64d16ccd2c6486b1aba849adcf25704020e015de1d75349c9f0f397a3e2f677f"`
Dec 11 12:53:52.789 INFO [stderr] usermod: no changes
Dec 11 12:53:52.904 INFO [stderr]     Checking nix v0.5.1
Dec 11 12:53:56.016 INFO [stderr]     Checking rustyline v1.0.0
Dec 11 12:53:56.872 INFO [stderr]     Checking rash v0.1.0 (/source)
Dec 11 12:53:57.420 INFO [stderr] warning: unused imports: `Read`, `Stderr`, `Write`, `self`
Dec 11 12:53:57.420 INFO [stderr]   --> src/main.rs:21:15
Dec 11 12:53:57.420 INFO [stderr]    |
Dec 11 12:53:57.420 INFO [stderr] 21 | use std::io::{self, Read, Stderr, Write};
Dec 11 12:53:57.420 INFO [stderr]    |               ^^^^  ^^^^  ^^^^^^  ^^^^^
Dec 11 12:53:57.420 INFO [stderr]    |
Dec 11 12:53:57.420 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 12:53:57.420 INFO [stderr] 
Dec 11 12:53:57.512 INFO [stderr] warning: unused variable: `words`
Dec 11 12:53:57.512 INFO [stderr]   --> src/main.rs:63:27
Dec 11 12:53:57.512 INFO [stderr]    |
Dec 11 12:53:57.512 INFO [stderr] 63 |     fn history(&mut self, words: std::str::SplitWhitespace) {
Dec 11 12:53:57.512 INFO [stderr]    |                           ^^^^^ help: consider using `_words` instead
Dec 11 12:53:57.512 INFO [stderr]    |
Dec 11 12:53:57.512 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 12:53:57.512 INFO [stderr] 
Dec 11 12:53:57.512 INFO [stderr] warning: unused imports: `Read`, `Stderr`, `Write`, `self`
Dec 11 12:53:57.512 INFO [stderr]   --> src/main.rs:21:15
Dec 11 12:53:57.512 INFO [stderr]    |
Dec 11 12:53:57.512 INFO [stderr] 21 | use std::io::{self, Read, Stderr, Write};
Dec 11 12:53:57.512 INFO [stderr]    |               ^^^^  ^^^^  ^^^^^^  ^^^^^
Dec 11 12:53:57.512 INFO [stderr]    |
Dec 11 12:53:57.512 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 12:53:57.512 INFO [stderr] 
Dec 11 12:53:57.532 INFO [stderr] warning: unnecessary `unsafe` block
Dec 11 12:53:57.532 INFO [stderr]    --> src/main.rs:113:17
Dec 11 12:53:57.532 INFO [stderr]     |
Dec 11 12:53:57.532 INFO [stderr] 113 |                 unsafe {
Dec 11 12:53:57.532 INFO [stderr]     |                 ^^^^^^ unnecessary `unsafe` block
Dec 11 12:53:57.532 INFO [stderr]     |
Dec 11 12:53:57.532 INFO [stderr]     = note: #[warn(unused_unsafe)] on by default
Dec 11 12:53:57.532 INFO [stderr] 
Dec 11 12:53:57.532 INFO [stderr] warning: method is never used: `save_history`
Dec 11 12:53:57.532 INFO [stderr]    --> src/main.rs:125:5
Dec 11 12:53:57.532 INFO [stderr]     |
Dec 11 12:53:57.532 INFO [stderr] 125 |     fn save_history(&mut self) {
Dec 11 12:53:57.532 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:53:57.532 INFO [stderr]     |
Dec 11 12:53:57.532 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 12:53:57.532 INFO [stderr] 
Dec 11 12:53:57.532 INFO [stderr] warning: `extern` block uses type `fn(u32)` which is not FFI-safe: this function pointer has Rust-specific calling convention
Dec 11 12:53:57.532 INFO [stderr]   --> src/main.rs:33:46
Dec 11 12:53:57.532 INFO [stderr]    |
Dec 11 12:53:57.532 INFO [stderr] 33 |   fn signal(sig: u32, cb: extern fn(u32)) -> fn(u32);
Dec 11 12:53:57.532 INFO [stderr]    |                                              ^^^^^^^
Dec 11 12:53:57.532 INFO [stderr]    |
Dec 11 12:53:57.533 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 11 12:53:57.533 INFO [stderr]    = help: consider using an `extern fn(...) -> ...` function pointer instead
Dec 11 12:53:57.533 INFO [stderr] 
Dec 11 12:53:57.568 INFO [stderr] warning: unused variable: `words`
Dec 11 12:53:57.568 INFO [stderr]   --> src/main.rs:63:27
Dec 11 12:53:57.568 INFO [stderr]    |
Dec 11 12:53:57.568 INFO [stderr] 63 |     fn history(&mut self, words: std::str::SplitWhitespace) {
Dec 11 12:53:57.568 INFO [stderr]    |                           ^^^^^ help: consider using `_words` instead
Dec 11 12:53:57.568 INFO [stderr]    |
Dec 11 12:53:57.568 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 12:53:57.568 INFO [stderr] 
Dec 11 12:53:57.584 INFO [stderr] warning: unnecessary `unsafe` block
Dec 11 12:53:57.584 INFO [stderr]    --> src/main.rs:113:17
Dec 11 12:53:57.584 INFO [stderr]     |
Dec 11 12:53:57.584 INFO [stderr] 113 |                 unsafe {
Dec 11 12:53:57.584 INFO [stderr]     |                 ^^^^^^ unnecessary `unsafe` block
Dec 11 12:53:57.584 INFO [stderr]     |
Dec 11 12:53:57.584 INFO [stderr]     = note: #[warn(unused_unsafe)] on by default
Dec 11 12:53:57.584 INFO [stderr] 
Dec 11 12:53:57.584 INFO [stderr] warning: method is never used: `save_history`
Dec 11 12:53:57.584 INFO [stderr]    --> src/main.rs:125:5
Dec 11 12:53:57.584 INFO [stderr]     |
Dec 11 12:53:57.584 INFO [stderr] 125 |     fn save_history(&mut self) {
Dec 11 12:53:57.584 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 12:53:57.584 INFO [stderr]     |
Dec 11 12:53:57.584 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 12:53:57.584 INFO [stderr] 
Dec 11 12:53:57.584 INFO [stderr] warning: `extern` block uses type `fn(u32)` which is not FFI-safe: this function pointer has Rust-specific calling convention
Dec 11 12:53:57.584 INFO [stderr]   --> src/main.rs:33:46
Dec 11 12:53:57.584 INFO [stderr]    |
Dec 11 12:53:57.584 INFO [stderr] 33 |   fn signal(sig: u32, cb: extern fn(u32)) -> fn(u32);
Dec 11 12:53:57.584 INFO [stderr]    |                                              ^^^^^^^
Dec 11 12:53:57.584 INFO [stderr]    |
Dec 11 12:53:57.584 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 11 12:53:57.584 INFO [stderr]    = help: consider using an `extern fn(...) -> ...` function pointer instead
Dec 11 12:53:57.585 INFO [stderr] 
Dec 11 12:53:57.620 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
Dec 11 12:53:57.632 INFO [stderr] su: No module specific data is present
Dec 11 12:53:58.390 INFO running `"docker" "inspect" "64d16ccd2c6486b1aba849adcf25704020e015de1d75349c9f0f397a3e2f677f"`
Dec 11 12:53:58.678 INFO running `"docker" "rm" "-f" "64d16ccd2c6486b1aba849adcf25704020e015de1d75349c9f0f397a3e2f677f"`
Dec 11 12:53:58.996 INFO [stdout] 64d16ccd2c6486b1aba849adcf25704020e015de1d75349c9f0f397a3e2f677f