Sep 01 20:17:50.841 INFO checking undulate-0.1.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 01 20:17:50.841 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 01 20:17:50.841 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:17:51.021 INFO blam! a72c0ef05a7aa33614124f0e3f171000b241de106aef8ff3ec01de40804ac599
Sep 01 20:17:51.024 INFO running `"docker" "start" "-a" "a72c0ef05a7aa33614124f0e3f171000b241de106aef8ff3ec01de40804ac599"`
Sep 01 20:17:51.927 INFO kablam!    Compiling libgit2-sys v0.6.19
Sep 01 20:18:05.211 INFO kablam!     Checking git2 v0.6.11
Sep 01 20:18:11.606 INFO kablam!     Checking undulate v0.1.0 (file:///source)
Sep 01 20:18:13.617 INFO kablam! warning: unused imports: `Read`, `self`
Sep 01 20:18:13.617 INFO kablam!   --> src/lib.rs:12:15
Sep 01 20:18:13.617 INFO kablam!    |
Sep 01 20:18:13.617 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 01 20:18:13.617 INFO kablam!    |               ^^^^  ^^^^
Sep 01 20:18:13.617 INFO kablam!    |
Sep 01 20:18:13.618 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 20:18:13.618 INFO kablam! 
Sep 01 20:18:13.833 INFO kablam! warning: unused imports: `Read`, `self`
Sep 01 20:18:13.833 INFO kablam!   --> src/lib.rs:12:15
Sep 01 20:18:13.833 INFO kablam!    |
Sep 01 20:18:13.833 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 01 20:18:13.833 INFO kablam!    |               ^^^^  ^^^^
Sep 01 20:18:13.833 INFO kablam!    |
Sep 01 20:18:13.833 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 20:18:13.833 INFO kablam! 
Sep 01 20:18:13.839 INFO kablam! warning: unused variable: `specifier`
Sep 01 20:18:13.839 INFO kablam!   --> src/lib.rs:96:30
Sep 01 20:18:13.839 INFO kablam!    |
Sep 01 20:18:13.839 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 01 20:18:13.839 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 01 20:18:13.840 INFO kablam!    |
Sep 01 20:18:13.840 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 20:18:13.840 INFO kablam! 
Sep 01 20:18:13.840 INFO kablam! warning: unused variable: `url`
Sep 01 20:18:13.840 INFO kablam!    --> src/lib.rs:100:16
Sep 01 20:18:13.840 INFO kablam!     |
Sep 01 20:18:13.840 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 01 20:18:13.840 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 01 20:18:13.840 INFO kablam! 
Sep 01 20:18:14.051 INFO kablam! warning: unused variable: `specifier`
Sep 01 20:18:14.051 INFO kablam!   --> src/lib.rs:96:30
Sep 01 20:18:14.051 INFO kablam!    |
Sep 01 20:18:14.051 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 01 20:18:14.051 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 01 20:18:14.051 INFO kablam!    |
Sep 01 20:18:14.051 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 20:18:14.051 INFO kablam! 
Sep 01 20:18:14.051 INFO kablam! warning: unused variable: `url`
Sep 01 20:18:14.051 INFO kablam!    --> src/lib.rs:100:16
Sep 01 20:18:14.051 INFO kablam!     |
Sep 01 20:18:14.051 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 01 20:18:14.051 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 01 20:18:14.051 INFO kablam! 
Sep 01 20:18:16.503 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.87s
Sep 01 20:18:16.518 INFO kablam! su: No module specific data is present
Sep 01 20:18:16.941 INFO running `"docker" "rm" "-f" "a72c0ef05a7aa33614124f0e3f171000b241de106aef8ff3ec01de40804ac599"`
Sep 01 20:18:17.041 INFO blam! a72c0ef05a7aa33614124f0e3f171000b241de106aef8ff3ec01de40804ac599