Dec 17 18:56:52.297 INFO checking nathantypanski/rash against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:56:52.297 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/nathantypanski/rash:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:56:52.960 INFO [stdout] 34e9c1be38c87434d57cdba2841ba7ca7fcfde385404baee73ea8244151c7283
Dec 17 18:56:52.968 INFO running `"docker" "start" "-a" "34e9c1be38c87434d57cdba2841ba7ca7fcfde385404baee73ea8244151c7283"`
Dec 17 18:56:54.992 INFO [stderr]     Checking nix v0.5.1
Dec 17 18:56:57.911 INFO [stderr]     Checking rustyline v1.0.0
Dec 17 18:56:58.751 INFO [stderr]     Checking rash v0.1.0 (/opt/crater/workdir)
Dec 17 18:56:59.012 INFO [stderr] warning: unused imports: `Read`, `Stderr`, `Write`, `self`
Dec 17 18:56:59.012 INFO [stderr]   --> src/main.rs:21:15
Dec 17 18:56:59.013 INFO [stderr]    |
Dec 17 18:56:59.013 INFO [stderr] 21 | use std::io::{self, Read, Stderr, Write};
Dec 17 18:56:59.013 INFO [stderr]    |               ^^^^  ^^^^  ^^^^^^  ^^^^^
Dec 17 18:56:59.013 INFO [stderr]    |
Dec 17 18:56:59.014 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 18:56:59.014 INFO [stderr] 
Dec 17 18:56:59.096 INFO [stderr] warning: unused imports: `Read`, `Stderr`, `Write`, `self`
Dec 17 18:56:59.096 INFO [stderr]   --> src/main.rs:21:15
Dec 17 18:56:59.096 INFO [stderr]    |
Dec 17 18:56:59.096 INFO [stderr] 21 | use std::io::{self, Read, Stderr, Write};
Dec 17 18:56:59.096 INFO [stderr]    |               ^^^^  ^^^^  ^^^^^^  ^^^^^
Dec 17 18:56:59.096 INFO [stderr]    |
Dec 17 18:56:59.100 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 18:56:59.100 INFO [stderr] 
Dec 17 18:56:59.103 INFO [stderr] warning: unused variable: `words`
Dec 17 18:56:59.103 INFO [stderr]   --> src/main.rs:63:27
Dec 17 18:56:59.103 INFO [stderr]    |
Dec 17 18:56:59.103 INFO [stderr] 63 |     fn history(&mut self, words: std::str::SplitWhitespace) {
Dec 17 18:56:59.104 INFO [stderr]    |                           ^^^^^ help: consider using `_words` instead
Dec 17 18:56:59.104 INFO [stderr]    |
Dec 17 18:56:59.104 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:56:59.104 INFO [stderr] 
Dec 17 18:56:59.118 INFO [stderr] warning: unnecessary `unsafe` block
Dec 17 18:56:59.118 INFO [stderr]    --> src/main.rs:113:17
Dec 17 18:56:59.118 INFO [stderr]     |
Dec 17 18:56:59.118 INFO [stderr] 113 |                 unsafe {
Dec 17 18:56:59.118 INFO [stderr]     |                 ^^^^^^ unnecessary `unsafe` block
Dec 17 18:56:59.118 INFO [stderr]     |
Dec 17 18:56:59.118 INFO [stderr]     = note: #[warn(unused_unsafe)] on by default
Dec 17 18:56:59.118 INFO [stderr] 
Dec 17 18:56:59.118 INFO [stderr] warning: method is never used: `save_history`
Dec 17 18:56:59.118 INFO [stderr]    --> src/main.rs:125:5
Dec 17 18:56:59.118 INFO [stderr]     |
Dec 17 18:56:59.118 INFO [stderr] 125 |     fn save_history(&mut self) {
Dec 17 18:56:59.118 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:56:59.119 INFO [stderr]     |
Dec 17 18:56:59.119 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 18:56:59.119 INFO [stderr] 
Dec 17 18:56:59.119 INFO [stderr] warning: `extern` block uses type `fn(u32)` which is not FFI-safe: this function pointer has Rust-specific calling convention
Dec 17 18:56:59.119 INFO [stderr]   --> src/main.rs:33:46
Dec 17 18:56:59.119 INFO [stderr]    |
Dec 17 18:56:59.120 INFO [stderr] 33 |   fn signal(sig: u32, cb: extern fn(u32)) -> fn(u32);
Dec 17 18:56:59.120 INFO [stderr]    |                                              ^^^^^^^
Dec 17 18:56:59.120 INFO [stderr]    |
Dec 17 18:56:59.120 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 17 18:56:59.120 INFO [stderr]    = help: consider using an `extern fn(...) -> ...` function pointer instead
Dec 17 18:56:59.120 INFO [stderr] 
Dec 17 18:56:59.235 INFO [stderr] warning: unused variable: `words`
Dec 17 18:56:59.236 INFO [stderr]   --> src/main.rs:63:27
Dec 17 18:56:59.236 INFO [stderr]    |
Dec 17 18:56:59.236 INFO [stderr] 63 |     fn history(&mut self, words: std::str::SplitWhitespace) {
Dec 17 18:56:59.236 INFO [stderr]    |                           ^^^^^ help: consider using `_words` instead
Dec 17 18:56:59.236 INFO [stderr]    |
Dec 17 18:56:59.237 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:56:59.237 INFO [stderr] 
Dec 17 18:56:59.260 INFO [stderr] warning: unnecessary `unsafe` block
Dec 17 18:56:59.260 INFO [stderr]    --> src/main.rs:113:17
Dec 17 18:56:59.261 INFO [stderr]     |
Dec 17 18:56:59.261 INFO [stderr] 113 |                 unsafe {
Dec 17 18:56:59.261 INFO [stderr]     |                 ^^^^^^ unnecessary `unsafe` block
Dec 17 18:56:59.262 INFO [stderr]     |
Dec 17 18:56:59.262 INFO [stderr]     = note: #[warn(unused_unsafe)] on by default
Dec 17 18:56:59.262 INFO [stderr] 
Dec 17 18:56:59.262 INFO [stderr] warning: method is never used: `save_history`
Dec 17 18:56:59.263 INFO [stderr]    --> src/main.rs:125:5
Dec 17 18:56:59.263 INFO [stderr]     |
Dec 17 18:56:59.263 INFO [stderr] 125 |     fn save_history(&mut self) {
Dec 17 18:56:59.264 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:56:59.264 INFO [stderr]     |
Dec 17 18:56:59.264 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 18:56:59.264 INFO [stderr] 
Dec 17 18:56:59.265 INFO [stderr] warning: `extern` block uses type `fn(u32)` which is not FFI-safe: this function pointer has Rust-specific calling convention
Dec 17 18:56:59.265 INFO [stderr]   --> src/main.rs:33:46
Dec 17 18:56:59.265 INFO [stderr]    |
Dec 17 18:56:59.265 INFO [stderr] 33 |   fn signal(sig: u32, cb: extern fn(u32)) -> fn(u32);
Dec 17 18:56:59.266 INFO [stderr]    |                                              ^^^^^^^
Dec 17 18:56:59.266 INFO [stderr]    |
Dec 17 18:56:59.266 INFO [stderr]    = note: #[warn(improper_ctypes)] on by default
Dec 17 18:56:59.266 INFO [stderr]    = help: consider using an `extern fn(...) -> ...` function pointer instead
Dec 17 18:56:59.267 INFO [stderr] 
Dec 17 18:56:59.296 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
Dec 17 18:57:00.628 INFO running `"docker" "inspect" "34e9c1be38c87434d57cdba2841ba7ca7fcfde385404baee73ea8244151c7283"`
Dec 17 18:57:00.980 INFO running `"docker" "rm" "-f" "34e9c1be38c87434d57cdba2841ba7ca7fcfde385404baee73ea8244151c7283"`
Dec 17 18:57:01.208 INFO [stdout] 34e9c1be38c87434d57cdba2841ba7ca7fcfde385404baee73ea8244151c7283