Sep 01 20:17:51.936 INFO checking undulate-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 20:17:51.936 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 20:17:51.936 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:17:52.085 INFO blam! a417127541816e284563cbc165085f4e32b8d87289ea8fb8265b4034e5b2f7b0
Sep 01 20:17:52.088 INFO running `"docker" "start" "-a" "a417127541816e284563cbc165085f4e32b8d87289ea8fb8265b4034e5b2f7b0"`
Sep 01 20:17:52.960 INFO kablam!     Checking undulate v0.1.0 (file:///source)
Sep 01 20:17:55.262 INFO kablam! warning: unused imports: `Read`, `self`
Sep 01 20:17:55.262 INFO kablam!   --> src/lib.rs:12:15
Sep 01 20:17:55.262 INFO kablam!    |
Sep 01 20:17:55.262 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 01 20:17:55.262 INFO kablam!    |               ^^^^  ^^^^
Sep 01 20:17:55.262 INFO kablam!    |
Sep 01 20:17:55.263 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 20:17:55.263 INFO kablam! 
Sep 01 20:17:55.321 INFO kablam! warning: unused imports: `Read`, `self`
Sep 01 20:17:55.321 INFO kablam!   --> src/lib.rs:12:15
Sep 01 20:17:55.321 INFO kablam!    |
Sep 01 20:17:55.322 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 01 20:17:55.322 INFO kablam!    |               ^^^^  ^^^^
Sep 01 20:17:55.322 INFO kablam!    |
Sep 01 20:17:55.322 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 01 20:17:55.322 INFO kablam! 
Sep 01 20:17:55.474 INFO kablam! warning: unused variable: `specifier`
Sep 01 20:17:55.475 INFO kablam!   --> src/lib.rs:96:30
Sep 01 20:17:55.475 INFO kablam!    |
Sep 01 20:17:55.475 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 01 20:17:55.475 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 01 20:17:55.475 INFO kablam!    |
Sep 01 20:17:55.475 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 20:17:55.475 INFO kablam! 
Sep 01 20:17:55.475 INFO kablam! warning: unused variable: `url`
Sep 01 20:17:55.475 INFO kablam!    --> src/lib.rs:100:16
Sep 01 20:17:55.475 INFO kablam!     |
Sep 01 20:17:55.475 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 01 20:17:55.475 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 01 20:17:55.475 INFO kablam! 
Sep 01 20:17:55.612 INFO kablam! warning: unused variable: `specifier`
Sep 01 20:17:55.612 INFO kablam!   --> src/lib.rs:96:30
Sep 01 20:17:55.613 INFO kablam!    |
Sep 01 20:17:55.613 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 01 20:17:55.613 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 01 20:17:55.613 INFO kablam!    |
Sep 01 20:17:55.613 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 20:17:55.613 INFO kablam! 
Sep 01 20:17:55.613 INFO kablam! warning: unused variable: `url`
Sep 01 20:17:55.613 INFO kablam!    --> src/lib.rs:100:16
Sep 01 20:17:55.613 INFO kablam!     |
Sep 01 20:17:55.613 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 01 20:17:55.613 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 01 20:17:55.613 INFO kablam! 
Sep 01 20:17:59.064 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
Sep 01 20:17:59.098 INFO kablam! su: No module specific data is present
Sep 01 20:17:59.543 INFO running `"docker" "rm" "-f" "a417127541816e284563cbc165085f4e32b8d87289ea8fb8265b4034e5b2f7b0"`
Sep 01 20:17:59.703 INFO blam! a417127541816e284563cbc165085f4e32b8d87289ea8fb8265b4034e5b2f7b0