[INFO] updating cached repository nathantypanski/rash
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nathantypanski/rash
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nathantypanski/rash" "work/ex/beta-1.38-1/sources/1.37.0/gh/nathantypanski/rash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nathantypanski/rash'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nathantypanski/rash" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nathantypanski/rash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nathantypanski/rash'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c401f3176f7d3e70115b8acacd988e159f34169c
[INFO] sha for GitHub repo nathantypanski/rash: c401f3176f7d3e70115b8acacd988e159f34169c
[INFO] validating manifest of nathantypanski/rash on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nathantypanski/rash on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nathantypanski/rash
[INFO] finished frobbing nathantypanski/rash
[INFO] frobbed toml for nathantypanski/rash written to work/ex/beta-1.38-1/sources/1.37.0/gh/nathantypanski/rash/Cargo.toml
[INFO] started frobbing nathantypanski/rash
[INFO] finished frobbing nathantypanski/rash
[INFO] frobbed toml for nathantypanski/rash written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nathantypanski/rash/Cargo.toml
[INFO] crate nathantypanski/rash already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing nathantypanski/rash against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e54cb3e3175c6e65ab0ffb88caa180c4cebec412d2b13069e83734a293054987
[INFO] running `"docker" "start" "-a" "e54cb3e3175c6e65ab0ffb88caa180c4cebec412d2b13069e83734a293054987"`
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling rash v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Read`, `Stderr`, `Write`, `self`
[INFO] [stderr]   --> src/main.rs:21:15
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::io::{self, Read, Stderr, Write};
[INFO] [stderr]    |               ^^^^  ^^^^  ^^^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `words`
[INFO] [stderr]   --> src/main.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn history(&mut self, words: std::str::SplitWhitespace) {
[INFO] [stderr]    |                           ^^^^^ help: consider prefixing with an underscore: `_words`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/main.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 unsafe {
[INFO] [stderr]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `save_history`
[INFO] [stderr]    --> src/main.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn save_history(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fn(u32)` which is not FFI-safe: this function pointer has Rust-specific calling convention
[INFO] [stderr]   --> src/main.rs:33:46
[INFO] [stderr]    |
[INFO] [stderr] 33 |   fn signal(sig: u32, cb: extern fn(u32)) -> fn(u32);
[INFO] [stderr]    |                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
[INFO] running `"docker" "inspect" "e54cb3e3175c6e65ab0ffb88caa180c4cebec412d2b13069e83734a293054987"`
[INFO] running `"docker" "rm" "-f" "e54cb3e3175c6e65ab0ffb88caa180c4cebec412d2b13069e83734a293054987"`
[INFO] [stdout] e54cb3e3175c6e65ab0ffb88caa180c4cebec412d2b13069e83734a293054987
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 75ef60b619553ab78964f12acf83a32bad4c60e0d961cae503ad6f47518086c8
[INFO] running `"docker" "start" "-a" "75ef60b619553ab78964f12acf83a32bad4c60e0d961cae503ad6f47518086c8"`
[INFO] [stderr]    Compiling rash v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Read`, `Stderr`, `Write`, `self`
[INFO] [stderr]   --> src/main.rs:21:15
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::io::{self, Read, Stderr, Write};
[INFO] [stderr]    |               ^^^^  ^^^^  ^^^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `words`
[INFO] [stderr]   --> src/main.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn history(&mut self, words: std::str::SplitWhitespace) {
[INFO] [stderr]    |                           ^^^^^ help: consider prefixing with an underscore: `_words`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/main.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 unsafe {
[INFO] [stderr]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `save_history`
[INFO] [stderr]    --> src/main.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn save_history(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fn(u32)` which is not FFI-safe: this function pointer has Rust-specific calling convention
[INFO] [stderr]   --> src/main.rs:33:46
[INFO] [stderr]    |
[INFO] [stderr] 33 |   fn signal(sig: u32, cb: extern fn(u32)) -> fn(u32);
[INFO] [stderr]    |                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "75ef60b619553ab78964f12acf83a32bad4c60e0d961cae503ad6f47518086c8"`
[INFO] running `"docker" "rm" "-f" "75ef60b619553ab78964f12acf83a32bad4c60e0d961cae503ad6f47518086c8"`
[INFO] [stdout] 75ef60b619553ab78964f12acf83a32bad4c60e0d961cae503ad6f47518086c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 674559e0d44f49630bf64631bea52fc87768fbb3b524d0bc778e91b15c22b829
[INFO] running `"docker" "start" "-a" "674559e0d44f49630bf64631bea52fc87768fbb3b524d0bc778e91b15c22b829"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rash-3485e4de49d52baa
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "674559e0d44f49630bf64631bea52fc87768fbb3b524d0bc778e91b15c22b829"`
[INFO] running `"docker" "rm" "-f" "674559e0d44f49630bf64631bea52fc87768fbb3b524d0bc778e91b15c22b829"`
[INFO] [stdout] 674559e0d44f49630bf64631bea52fc87768fbb3b524d0bc778e91b15c22b829