Aug 30 00:01:03.385 INFO checking undulate-0.1.0 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 00:01:03.385 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 00:01:03.385 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-0/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 00:01:03.549 INFO blam! 7e0b5eda0ae21f3a9fafa205abf0f5deb50917e147cafa4c38a0f153c53582d6
Aug 30 00:01:03.551 INFO running `"docker" "start" "-a" "7e0b5eda0ae21f3a9fafa205abf0f5deb50917e147cafa4c38a0f153c53582d6"`
Aug 30 00:01:04.543 INFO kablam!    Compiling libgit2-sys v0.6.19
Aug 30 00:01:16.344 INFO kablam!     Checking git2 v0.6.11
Aug 30 00:01:23.537 INFO kablam!     Checking undulate v0.1.0 (file:///source)
Aug 30 00:01:25.890 INFO kablam! warning: unused imports: `Read`, `self`
Aug 30 00:01:25.891 INFO kablam!   --> src/lib.rs:12:15
Aug 30 00:01:25.891 INFO kablam!    |
Aug 30 00:01:25.891 INFO kablam! 12 | use std::io::{self, Read, Write};
Aug 30 00:01:25.891 INFO kablam!    |               ^^^^  ^^^^
Aug 30 00:01:25.891 INFO kablam!    |
Aug 30 00:01:25.891 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 00:01:25.891 INFO kablam! 
Aug 30 00:01:25.969 INFO kablam! warning: unused imports: `Read`, `self`
Aug 30 00:01:25.969 INFO kablam!   --> src/lib.rs:12:15
Aug 30 00:01:25.969 INFO kablam!    |
Aug 30 00:01:25.969 INFO kablam! 12 | use std::io::{self, Read, Write};
Aug 30 00:01:25.969 INFO kablam!    |               ^^^^  ^^^^
Aug 30 00:01:25.969 INFO kablam!    |
Aug 30 00:01:25.969 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 00:01:25.969 INFO kablam! 
Aug 30 00:01:26.145 INFO kablam! warning: unused variable: `specifier`
Aug 30 00:01:26.145 INFO kablam!   --> src/lib.rs:96:30
Aug 30 00:01:26.145 INFO kablam!    |
Aug 30 00:01:26.145 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Aug 30 00:01:26.145 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Aug 30 00:01:26.145 INFO kablam!    |
Aug 30 00:01:26.145 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 30 00:01:26.145 INFO kablam! 
Aug 30 00:01:26.145 INFO kablam! warning: unused variable: `url`
Aug 30 00:01:26.145 INFO kablam!    --> src/lib.rs:100:16
Aug 30 00:01:26.146 INFO kablam!     |
Aug 30 00:01:26.146 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Aug 30 00:01:26.146 INFO kablam!     |                ^^^ help: consider using `_url` instead
Aug 30 00:01:26.146 INFO kablam! 
Aug 30 00:01:26.203 INFO kablam! warning: unused variable: `specifier`
Aug 30 00:01:26.203 INFO kablam!   --> src/lib.rs:96:30
Aug 30 00:01:26.203 INFO kablam!    |
Aug 30 00:01:26.203 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Aug 30 00:01:26.203 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Aug 30 00:01:26.203 INFO kablam!    |
Aug 30 00:01:26.203 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 30 00:01:26.203 INFO kablam! 
Aug 30 00:01:26.203 INFO kablam! warning: unused variable: `url`
Aug 30 00:01:26.203 INFO kablam!    --> src/lib.rs:100:16
Aug 30 00:01:26.203 INFO kablam!     |
Aug 30 00:01:26.203 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Aug 30 00:01:26.203 INFO kablam!     |                ^^^ help: consider using `_url` instead
Aug 30 00:01:26.203 INFO kablam! 
Aug 30 00:01:29.230 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.98s
Aug 30 00:01:29.242 INFO kablam! su: No module specific data is present
Aug 30 00:01:29.622 INFO running `"docker" "rm" "-f" "7e0b5eda0ae21f3a9fafa205abf0f5deb50917e147cafa4c38a0f153c53582d6"`
Aug 30 00:01:29.714 INFO blam! 7e0b5eda0ae21f3a9fafa205abf0f5deb50917e147cafa4c38a0f153c53582d6