Sep 21 01:18:43.077 INFO checking undulate-0.1.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 01:18:43.077 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 01:18:43.077 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 01:18:43.213 INFO blam! a5c944878678acb737b80378569fff96b77fd7da99295285da6be703e251dde1
Sep 21 01:18:43.215 INFO running `"docker" "start" "-a" "a5c944878678acb737b80378569fff96b77fd7da99295285da6be703e251dde1"`
Sep 21 01:18:44.429 INFO kablam! usermod: no changes
Sep 21 01:18:44.601 INFO kablam!     Checking undulate v0.1.0 (/source)
Sep 21 01:18:45.422 INFO kablam! warning: unused imports: `Read`, `self`
Sep 21 01:18:45.422 INFO kablam!   --> src/lib.rs:12:15
Sep 21 01:18:45.422 INFO kablam!    |
Sep 21 01:18:45.422 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 21 01:18:45.422 INFO kablam!    |               ^^^^  ^^^^
Sep 21 01:18:45.422 INFO kablam!    |
Sep 21 01:18:45.422 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 01:18:45.422 INFO kablam! 
Sep 21 01:18:45.453 INFO kablam! warning: unused imports: `Read`, `self`
Sep 21 01:18:45.454 INFO kablam!   --> src/lib.rs:12:15
Sep 21 01:18:45.454 INFO kablam!    |
Sep 21 01:18:45.454 INFO kablam! 12 | use std::io::{self, Read, Write};
Sep 21 01:18:45.454 INFO kablam!    |               ^^^^  ^^^^
Sep 21 01:18:45.454 INFO kablam!    |
Sep 21 01:18:45.454 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 01:18:45.454 INFO kablam! 
Sep 21 01:18:45.557 INFO kablam! warning: unused variable: `specifier`
Sep 21 01:18:45.557 INFO kablam!   --> src/lib.rs:96:30
Sep 21 01:18:45.557 INFO kablam!    |
Sep 21 01:18:45.557 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 21 01:18:45.557 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 21 01:18:45.557 INFO kablam!    |
Sep 21 01:18:45.557 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 01:18:45.557 INFO kablam! 
Sep 21 01:18:45.557 INFO kablam! warning: unused variable: `url`
Sep 21 01:18:45.557 INFO kablam!    --> src/lib.rs:100:16
Sep 21 01:18:45.557 INFO kablam!     |
Sep 21 01:18:45.557 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 21 01:18:45.557 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 21 01:18:45.557 INFO kablam! 
Sep 21 01:18:45.588 INFO kablam! warning: unused variable: `specifier`
Sep 21 01:18:45.588 INFO kablam!   --> src/lib.rs:96:30
Sep 21 01:18:45.588 INFO kablam!    |
Sep 21 01:18:45.588 INFO kablam! 96 | pub fn remove<T: AsRef<str>>(specifier: T) -> Result<(), RemoveError> {
Sep 21 01:18:45.588 INFO kablam!    |                              ^^^^^^^^^ help: consider using `_specifier` instead
Sep 21 01:18:45.588 INFO kablam!    |
Sep 21 01:18:45.588 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 01:18:45.588 INFO kablam! 
Sep 21 01:18:45.588 INFO kablam! warning: unused variable: `url`
Sep 21 01:18:45.588 INFO kablam!    --> src/lib.rs:100:16
Sep 21 01:18:45.588 INFO kablam!     |
Sep 21 01:18:45.588 INFO kablam! 100 | pub fn install(url: &str) -> Result<(), InstallError> {
Sep 21 01:18:45.588 INFO kablam!     |                ^^^ help: consider using `_url` instead
Sep 21 01:18:45.588 INFO kablam! 
Sep 21 01:18:47.016 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
Sep 21 01:18:47.036 INFO kablam! su: No module specific data is present
Sep 21 01:18:47.599 INFO running `"docker" "rm" "-f" "a5c944878678acb737b80378569fff96b77fd7da99295285da6be703e251dde1"`
Sep 21 01:18:47.675 INFO blam! a5c944878678acb737b80378569fff96b77fd7da99295285da6be703e251dde1