Nov 02 09:38:32.107 INFO checking nathantypanski/rash against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 09:38:32.109 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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"`
Nov 02 09:38:32.676 INFO blam! 7527f82383e4c7a82033758c544888bf2f9fbfa275ff0f2b20307a001851b35a
Nov 02 09:38:32.681 INFO running `"docker" "start" "-a" "7527f82383e4c7a82033758c544888bf2f9fbfa275ff0f2b20307a001851b35a"`
Nov 02 09:38:33.728 INFO kablam! usermod: no changes
Nov 02 09:38:33.792 INFO kablam!     Checking nix v0.5.1
Nov 02 09:38:37.039 INFO kablam!     Checking rustyline v1.0.0
Nov 02 09:38:37.938 INFO kablam!     Checking rash v0.1.0 (/source)
Nov 02 09:38:38.384 INFO kablam! warning: unused imports: `Read`, `Stderr`, `Write`, `self`
Nov 02 09:38:38.384 INFO kablam!   --> src/main.rs:21:15
Nov 02 09:38:38.384 INFO kablam!    |
Nov 02 09:38:38.384 INFO kablam! 21 | use std::io::{self, Read, Stderr, Write};
Nov 02 09:38:38.384 INFO kablam!    |               ^^^^  ^^^^  ^^^^^^  ^^^^^
Nov 02 09:38:38.384 INFO kablam!    |
Nov 02 09:38:38.384 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 02 09:38:38.384 INFO kablam! 
Nov 02 09:38:38.484 INFO kablam! warning: unused imports: `Read`, `Stderr`, `Write`, `self`
Nov 02 09:38:38.484 INFO kablam!   --> src/main.rs:21:15
Nov 02 09:38:38.484 INFO kablam!    |
Nov 02 09:38:38.484 INFO kablam! 21 | use std::io::{self, Read, Stderr, Write};
Nov 02 09:38:38.484 INFO kablam!    |               ^^^^  ^^^^  ^^^^^^  ^^^^^
Nov 02 09:38:38.484 INFO kablam!    |
Nov 02 09:38:38.484 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 02 09:38:38.484 INFO kablam! 
Nov 02 09:38:38.540 INFO kablam! warning: unused variable: `words`
Nov 02 09:38:38.540 INFO kablam!   --> src/main.rs:63:27
Nov 02 09:38:38.540 INFO kablam!    |
Nov 02 09:38:38.540 INFO kablam! 63 |     fn history(&mut self, words: std::str::SplitWhitespace) {
Nov 02 09:38:38.540 INFO kablam!    |                           ^^^^^ help: consider using `_words` instead
Nov 02 09:38:38.540 INFO kablam!    |
Nov 02 09:38:38.540 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 09:38:38.540 INFO kablam! 
Nov 02 09:38:38.556 INFO kablam! warning: unnecessary `unsafe` block
Nov 02 09:38:38.556 INFO kablam!    --> src/main.rs:113:17
Nov 02 09:38:38.556 INFO kablam!     |
Nov 02 09:38:38.556 INFO kablam! 113 |                 unsafe {
Nov 02 09:38:38.556 INFO kablam!     |                 ^^^^^^ unnecessary `unsafe` block
Nov 02 09:38:38.556 INFO kablam!     |
Nov 02 09:38:38.556 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Nov 02 09:38:38.556 INFO kablam! 
Nov 02 09:38:38.556 INFO kablam! warning: method is never used: `save_history`
Nov 02 09:38:38.556 INFO kablam!    --> src/main.rs:125:5
Nov 02 09:38:38.556 INFO kablam!     |
Nov 02 09:38:38.556 INFO kablam! 125 |     fn save_history(&mut self) {
Nov 02 09:38:38.556 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:38:38.556 INFO kablam!     |
Nov 02 09:38:38.556 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 02 09:38:38.556 INFO kablam! 
Nov 02 09:38:38.556 INFO kablam! warning: `extern` block uses type `fn(u32)` which is not FFI-safe: this function pointer has Rust-specific calling convention
Nov 02 09:38:38.556 INFO kablam!   --> src/main.rs:33:46
Nov 02 09:38:38.556 INFO kablam!    |
Nov 02 09:38:38.556 INFO kablam! 33 |   fn signal(sig: u32, cb: extern fn(u32)) -> fn(u32);
Nov 02 09:38:38.557 INFO kablam!    |                                              ^^^^^^^
Nov 02 09:38:38.557 INFO kablam!    |
Nov 02 09:38:38.557 INFO kablam!    = note: #[warn(improper_ctypes)] on by default
Nov 02 09:38:38.557 INFO kablam!    = help: consider using an `extern fn(...) -> ...` function pointer instead
Nov 02 09:38:38.557 INFO kablam! 
Nov 02 09:38:38.592 INFO kablam! warning: unused variable: `words`
Nov 02 09:38:38.592 INFO kablam!   --> src/main.rs:63:27
Nov 02 09:38:38.592 INFO kablam!    |
Nov 02 09:38:38.592 INFO kablam! 63 |     fn history(&mut self, words: std::str::SplitWhitespace) {
Nov 02 09:38:38.592 INFO kablam!    |                           ^^^^^ help: consider using `_words` instead
Nov 02 09:38:38.592 INFO kablam!    |
Nov 02 09:38:38.592 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 09:38:38.592 INFO kablam! 
Nov 02 09:38:38.644 INFO kablam! warning: unnecessary `unsafe` block
Nov 02 09:38:38.644 INFO kablam!    --> src/main.rs:113:17
Nov 02 09:38:38.644 INFO kablam!     |
Nov 02 09:38:38.644 INFO kablam! 113 |                 unsafe {
Nov 02 09:38:38.644 INFO kablam!     |                 ^^^^^^ unnecessary `unsafe` block
Nov 02 09:38:38.644 INFO kablam!     |
Nov 02 09:38:38.644 INFO kablam!     = note: #[warn(unused_unsafe)] on by default
Nov 02 09:38:38.644 INFO kablam! 
Nov 02 09:38:38.644 INFO kablam! warning: method is never used: `save_history`
Nov 02 09:38:38.644 INFO kablam!    --> src/main.rs:125:5
Nov 02 09:38:38.644 INFO kablam!     |
Nov 02 09:38:38.644 INFO kablam! 125 |     fn save_history(&mut self) {
Nov 02 09:38:38.644 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 09:38:38.644 INFO kablam!     |
Nov 02 09:38:38.644 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 02 09:38:38.644 INFO kablam! 
Nov 02 09:38:38.644 INFO kablam! warning: `extern` block uses type `fn(u32)` which is not FFI-safe: this function pointer has Rust-specific calling convention
Nov 02 09:38:38.645 INFO kablam!   --> src/main.rs:33:46
Nov 02 09:38:38.645 INFO kablam!    |
Nov 02 09:38:38.645 INFO kablam! 33 |   fn signal(sig: u32, cb: extern fn(u32)) -> fn(u32);
Nov 02 09:38:38.645 INFO kablam!    |                                              ^^^^^^^
Nov 02 09:38:38.645 INFO kablam!    |
Nov 02 09:38:38.645 INFO kablam!    = note: #[warn(improper_ctypes)] on by default
Nov 02 09:38:38.645 INFO kablam!    = help: consider using an `extern fn(...) -> ...` function pointer instead
Nov 02 09:38:38.645 INFO kablam! 
Nov 02 09:38:38.677 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.93s
Nov 02 09:38:38.680 INFO kablam! su: No module specific data is present
Nov 02 09:38:38.990 INFO running `"docker" "rm" "-f" "7527f82383e4c7a82033758c544888bf2f9fbfa275ff0f2b20307a001851b35a"`
Nov 02 09:38:39.122 INFO blam! 7527f82383e4c7a82033758c544888bf2f9fbfa275ff0f2b20307a001851b35a