Sep 01 03:08:13.697 INFO checking undulate-0.1.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 03:08:13.698 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 03:08:13.698 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 03:08:13.850 INFO blam! 15fb89df906ee8943e6dce67e0fc2c1ebef48979563d40d0a8423d2bf88a93a3
Sep 01 03:08:13.852 INFO running `"docker" "start" "-a" "15fb89df906ee8943e6dce67e0fc2c1ebef48979563d40d0a8423d2bf88a93a3"`
Sep 01 03:08:14.761 INFO kablam!     Checking undulate v0.1.0 (file:///source)
Sep 01 03:08:16.978 INFO kablam! warning: unused imports: `Read`, `self`
Sep 01 03:08:16.978 INFO kablam!   --> src/lib.rs:12:15
Sep 01 03:08:16.978 INFO kablam!    |
Sep 01 03:08:16.978 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 01 03:08:16.978 INFO kablam!    |               ^^^^  ^^^^
Sep 01 03:08:16.978 INFO kablam!    |
Sep 01 03:08:16.978 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 03:08:16.978 INFO kablam! 
Sep 01 03:08:17.012 INFO kablam! warning: unused imports: `Read`, `self`
Sep 01 03:08:17.012 INFO kablam!   --> src/lib.rs:12:15
Sep 01 03:08:17.012 INFO kablam!    |
Sep 01 03:08:17.012 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 01 03:08:17.012 INFO kablam!    |               ^^^^  ^^^^
Sep 01 03:08:17.012 INFO kablam!    |
Sep 01 03:08:17.012 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 03:08:17.012 INFO kablam! 
Sep 01 03:08:17.179 INFO kablam! warning: unused variable: `specifier`
Sep 01 03:08:17.179 INFO kablam!   --> src/lib.rs:96:30
Sep 01 03:08:17.179 INFO kablam!    |
Sep 01 03:08:17.179 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 01 03:08:17.179 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 01 03:08:17.179 INFO kablam!    |
Sep 01 03:08:17.179 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 03:08:17.179 INFO kablam! 
Sep 01 03:08:17.179 INFO kablam! warning: unused variable: `url`
Sep 01 03:08:17.179 INFO kablam!    --> src/lib.rs:100:16
Sep 01 03:08:17.179 INFO kablam!     |
Sep 01 03:08:17.179 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 01 03:08:17.179 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 01 03:08:17.179 INFO kablam! 
Sep 01 03:08:17.225 INFO kablam! warning: unused variable: `specifier`
Sep 01 03:08:17.226 INFO kablam!   --> src/lib.rs:96:30
Sep 01 03:08:17.226 INFO kablam!    |
Sep 01 03:08:17.226 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 01 03:08:17.226 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 01 03:08:17.226 INFO kablam!    |
Sep 01 03:08:17.226 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 03:08:17.226 INFO kablam! 
Sep 01 03:08:17.226 INFO kablam! warning: unused variable: `url`
Sep 01 03:08:17.226 INFO kablam!    --> src/lib.rs:100:16
Sep 01 03:08:17.226 INFO kablam!     |
Sep 01 03:08:17.226 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 01 03:08:17.226 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 01 03:08:17.226 INFO kablam! 
Sep 01 03:08:20.222 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.70s
Sep 01 03:08:20.243 INFO kablam! su: No module specific data is present
Sep 01 03:08:20.828 INFO running `"docker" "rm" "-f" "15fb89df906ee8943e6dce67e0fc2c1ebef48979563d40d0a8423d2bf88a93a3"`
Sep 01 03:08:21.004 INFO blam! 15fb89df906ee8943e6dce67e0fc2c1ebef48979563d40d0a8423d2bf88a93a3