Sep 05 21:27:07.606 INFO checking undulate-0.1.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 21:27:07.606 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 21:27:07.606 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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=1000" "-e" "CMD=cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 21:27:07.714 INFO blam! fa1d23e4bd1977a6d930668ec70510518ab3657ff7b4f0e6edcfcfc046557bc5
Sep 05 21:27:07.716 INFO running `"docker" "start" "-a" "fa1d23e4bd1977a6d930668ec70510518ab3657ff7b4f0e6edcfcfc046557bc5"`
Sep 05 21:27:08.373 INFO kablam! usermod: no changes
Sep 05 21:27:08.843 INFO kablam!     Checking undulate v0.1.0 (file:///source)
Sep 05 21:27:09.918 INFO kablam! warning: unused imports: `Read`, `self`
Sep 05 21:27:09.918 INFO kablam!   --> src/lib.rs:12:15
Sep 05 21:27:09.918 INFO kablam!    |
Sep 05 21:27:09.918 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 05 21:27:09.918 INFO kablam!    |               ^^^^  ^^^^
Sep 05 21:27:09.918 INFO kablam!    |
Sep 05 21:27:09.918 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 05 21:27:09.918 INFO kablam! 
Sep 05 21:27:09.930 INFO kablam! warning: unused imports: `Read`, `self`
Sep 05 21:27:09.930 INFO kablam!   --> src/lib.rs:12:15
Sep 05 21:27:09.930 INFO kablam!    |
Sep 05 21:27:09.930 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 05 21:27:09.930 INFO kablam!    |               ^^^^  ^^^^
Sep 05 21:27:09.930 INFO kablam!    |
Sep 05 21:27:09.930 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 05 21:27:09.930 INFO kablam! 
Sep 05 21:27:10.027 INFO kablam! warning: unused variable: `specifier`
Sep 05 21:27:10.027 INFO kablam!   --> src/lib.rs:96:30
Sep 05 21:27:10.027 INFO kablam!    |
Sep 05 21:27:10.027 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 05 21:27:10.027 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 05 21:27:10.027 INFO kablam!    |
Sep 05 21:27:10.027 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 05 21:27:10.027 INFO kablam! 
Sep 05 21:27:10.027 INFO kablam! warning: unused variable: `url`
Sep 05 21:27:10.027 INFO kablam!    --> src/lib.rs:100:16
Sep 05 21:27:10.027 INFO kablam!     |
Sep 05 21:27:10.027 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 05 21:27:10.027 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 05 21:27:10.027 INFO kablam! 
Sep 05 21:27:10.037 INFO kablam! warning: unused variable: `specifier`
Sep 05 21:27:10.037 INFO kablam!   --> src/lib.rs:96:30
Sep 05 21:27:10.037 INFO kablam!    |
Sep 05 21:27:10.037 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 05 21:27:10.037 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 05 21:27:10.037 INFO kablam!    |
Sep 05 21:27:10.037 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 05 21:27:10.037 INFO kablam! 
Sep 05 21:27:10.037 INFO kablam! warning: unused variable: `url`
Sep 05 21:27:10.037 INFO kablam!    --> src/lib.rs:100:16
Sep 05 21:27:10.037 INFO kablam!     |
Sep 05 21:27:10.037 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 05 21:27:10.037 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 05 21:27:10.037 INFO kablam! 
Sep 05 21:27:11.582 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
Sep 05 21:27:11.597 INFO kablam! su: No module specific data is present
Sep 05 21:27:12.402 INFO running `"docker" "rm" "-f" "fa1d23e4bd1977a6d930668ec70510518ab3657ff7b4f0e6edcfcfc046557bc5"`
Sep 05 21:27:12.493 INFO blam! fa1d23e4bd1977a6d930668ec70510518ab3657ff7b4f0e6edcfcfc046557bc5