Sep 03 23:36:09.486 INFO checking undulate-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 03 23:36:09.486 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 03 23:36:09.486 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 23:36:09.641 INFO blam! 55493e4717812359317946c885b015642e174797e00ed6ea5fe1f0fa4974b1b6
Sep 03 23:36:09.643 INFO running `"docker" "start" "-a" "55493e4717812359317946c885b015642e174797e00ed6ea5fe1f0fa4974b1b6"`
Sep 03 23:36:10.481 INFO kablam!     Checking undulate v0.1.0 (file:///source)
Sep 03 23:36:12.745 INFO kablam! warning: unused imports: `Read`, `self`
Sep 03 23:36:12.745 INFO kablam!   --> src/lib.rs:12:15
Sep 03 23:36:12.745 INFO kablam!    |
Sep 03 23:36:12.745 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 03 23:36:12.745 INFO kablam!    |               ^^^^  ^^^^
Sep 03 23:36:12.745 INFO kablam!    |
Sep 03 23:36:12.745 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 03 23:36:12.745 INFO kablam! 
Sep 03 23:36:12.802 INFO kablam! warning: unused imports: `Read`, `self`
Sep 03 23:36:12.802 INFO kablam!   --> src/lib.rs:12:15
Sep 03 23:36:12.802 INFO kablam!    |
Sep 03 23:36:12.802 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 03 23:36:12.802 INFO kablam!    |               ^^^^  ^^^^
Sep 03 23:36:12.802 INFO kablam!    |
Sep 03 23:36:12.802 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 03 23:36:12.802 INFO kablam! 
Sep 03 23:36:12.991 INFO kablam! warning: unused variable: `specifier`
Sep 03 23:36:12.991 INFO kablam!   --> src/lib.rs:96:30
Sep 03 23:36:12.991 INFO kablam!    |
Sep 03 23:36:12.991 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 03 23:36:12.991 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 03 23:36:12.991 INFO kablam!    |
Sep 03 23:36:12.991 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 03 23:36:12.991 INFO kablam! 
Sep 03 23:36:12.991 INFO kablam! warning: unused variable: `url`
Sep 03 23:36:12.991 INFO kablam!    --> src/lib.rs:100:16
Sep 03 23:36:12.991 INFO kablam!     |
Sep 03 23:36:12.992 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 03 23:36:12.992 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 03 23:36:12.992 INFO kablam! 
Sep 03 23:36:13.043 INFO kablam! warning: unused variable: `specifier`
Sep 03 23:36:13.043 INFO kablam!   --> src/lib.rs:96:30
Sep 03 23:36:13.043 INFO kablam!    |
Sep 03 23:36:13.043 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 03 23:36:13.043 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 03 23:36:13.043 INFO kablam!    |
Sep 03 23:36:13.043 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 03 23:36:13.043 INFO kablam! 
Sep 03 23:36:13.043 INFO kablam! warning: unused variable: `url`
Sep 03 23:36:13.043 INFO kablam!    --> src/lib.rs:100:16
Sep 03 23:36:13.043 INFO kablam!     |
Sep 03 23:36:13.043 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 03 23:36:13.043 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 03 23:36:13.043 INFO kablam! 
Sep 03 23:36:16.037 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.83s
Sep 03 23:36:16.051 INFO kablam! su: No module specific data is present
Sep 03 23:36:16.494 INFO running `"docker" "rm" "-f" "55493e4717812359317946c885b015642e174797e00ed6ea5fe1f0fa4974b1b6"`
Sep 03 23:36:16.587 INFO blam! 55493e4717812359317946c885b015642e174797e00ed6ea5fe1f0fa4974b1b6