Sep 19 23:32:51.178 INFO checking joinkit-0.2.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 23:32:51.178 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 23:32:51.179 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:32:51.352 INFO blam! 82f96297088f9d1874a47d5b8783211d25e7191eb75dc02b3928158d654e30bd
Sep 19 23:32:51.361 INFO running `"docker" "start" "-a" "82f96297088f9d1874a47d5b8783211d25e7191eb75dc02b3928158d654e30bd"`
Sep 19 23:32:52.631 INFO kablam! usermod: no changes
Sep 19 23:32:52.703 INFO kablam!     Checking joinkit v0.2.0 (/source)
Sep 19 23:32:53.167 INFO kablam! warning: unused `#[macro_use]` import
Sep 19 23:32:53.167 INFO kablam!   --> src/lib.rs:27:1
Sep 19 23:32:53.167 INFO kablam!    |
Sep 19 23:32:53.167 INFO kablam! 27 | #[macro_use]
Sep 19 23:32:53.167 INFO kablam!    | ^^^^^^^^^^^^
Sep 19 23:32:53.167 INFO kablam!    |
Sep 19 23:32:53.167 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 19 23:32:53.167 INFO kablam! 
Sep 19 23:32:53.311 INFO kablam! warning: unused `#[macro_use]` import
Sep 19 23:32:53.311 INFO kablam!   --> src/lib.rs:27:1
Sep 19 23:32:53.311 INFO kablam!    |
Sep 19 23:32:53.311 INFO kablam! 27 | #[macro_use]
Sep 19 23:32:53.311 INFO kablam!    | ^^^^^^^^^^^^
Sep 19 23:32:53.311 INFO kablam!    |
Sep 19 23:32:53.311 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 19 23:32:53.311 INFO kablam! 
Sep 19 23:32:53.375 INFO kablam! warning: unused import: `itertools::Itertools`
Sep 19 23:32:53.375 INFO kablam!  --> src/util.rs:3:5
Sep 19 23:32:53.375 INFO kablam!   |
Sep 19 23:32:53.375 INFO kablam! 3 | use itertools::Itertools;
Sep 19 23:32:53.375 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 19 23:32:53.375 INFO kablam! 
Sep 19 23:32:53.375 INFO kablam! warning: unused import: `BufRead`
Sep 19 23:32:53.375 INFO kablam!  --> src/util.rs:5:15
Sep 19 23:32:53.375 INFO kablam!   |
Sep 19 23:32:53.375 INFO kablam! 5 | use std::io::{BufRead, Write, BufWriter,};
Sep 19 23:32:53.375 INFO kablam!   |               ^^^^^^^
Sep 19 23:32:53.375 INFO kablam! 
Sep 19 23:32:53.577 INFO kablam! warning: unused import: `itertools::Itertools`
Sep 19 23:32:53.577 INFO kablam!  --> src/util.rs:3:5
Sep 19 23:32:53.577 INFO kablam!   |
Sep 19 23:32:53.577 INFO kablam! 3 | use itertools::Itertools;
Sep 19 23:32:53.577 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 19 23:32:53.577 INFO kablam! 
Sep 19 23:32:53.577 INFO kablam! warning: unused import: `BufRead`
Sep 19 23:32:53.577 INFO kablam!  --> src/util.rs:5:15
Sep 19 23:32:53.577 INFO kablam!   |
Sep 19 23:32:53.577 INFO kablam! 5 | use std::io::{BufRead, Write, BufWriter,};
Sep 19 23:32:53.577 INFO kablam!   |               ^^^^^^^
Sep 19 23:32:53.577 INFO kablam! 
Sep 19 23:32:54.908 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
Sep 19 23:32:54.912 INFO kablam! su: No module specific data is present
Sep 19 23:32:55.489 INFO running `"docker" "rm" "-f" "82f96297088f9d1874a47d5b8783211d25e7191eb75dc02b3928158d654e30bd"`
Sep 19 23:32:55.568 INFO blam! 82f96297088f9d1874a47d5b8783211d25e7191eb75dc02b3928158d654e30bd