Nov 01 20:54:45.578 INFO checking joinkit-0.2.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 20:54:45.579 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 20:54:46.028 INFO blam! 284d3c4021e2d4da3a2c3a045561752894b365951945f98a4568594f3f7f6353
Nov 01 20:54:46.044 INFO running `"docker" "start" "-a" "284d3c4021e2d4da3a2c3a045561752894b365951945f98a4568594f3f7f6353"`
Nov 01 20:54:47.907 INFO kablam! usermod: no changes
Nov 01 20:54:48.028 INFO kablam!     Checking joinkit v0.2.0 (/source)
Nov 01 20:54:50.146 INFO kablam! warning: unused `#[macro_use]` import
Nov 01 20:54:50.146 INFO kablam!   --> src/lib.rs:27:1
Nov 01 20:54:50.146 INFO kablam!    |
Nov 01 20:54:50.146 INFO kablam! 27 | #[macro_use]
Nov 01 20:54:50.146 INFO kablam!    | ^^^^^^^^^^^^
Nov 01 20:54:50.146 INFO kablam!    |
Nov 01 20:54:50.146 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 01 20:54:50.146 INFO kablam! 
Nov 01 20:54:50.356 INFO kablam! warning: unused import: `itertools::Itertools`
Nov 01 20:54:50.356 INFO kablam!  --> src/util.rs:3:5
Nov 01 20:54:50.356 INFO kablam!   |
Nov 01 20:54:50.356 INFO kablam! 3 | use itertools::Itertools;
Nov 01 20:54:50.356 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 20:54:50.356 INFO kablam! 
Nov 01 20:54:50.356 INFO kablam! warning: unused import: `BufRead`
Nov 01 20:54:50.356 INFO kablam!  --> src/util.rs:5:15
Nov 01 20:54:50.356 INFO kablam!   |
Nov 01 20:54:50.356 INFO kablam! 5 | use std::io::{BufRead, Write, BufWriter,};
Nov 01 20:54:50.356 INFO kablam!   |               ^^^^^^^
Nov 01 20:54:50.356 INFO kablam! 
Nov 01 20:54:50.564 INFO kablam! warning: unused `#[macro_use]` import
Nov 01 20:54:50.564 INFO kablam!   --> src/lib.rs:27:1
Nov 01 20:54:50.564 INFO kablam!    |
Nov 01 20:54:50.564 INFO kablam! 27 | #[macro_use]
Nov 01 20:54:50.564 INFO kablam!    | ^^^^^^^^^^^^
Nov 01 20:54:50.564 INFO kablam!    |
Nov 01 20:54:50.564 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 01 20:54:50.564 INFO kablam! 
Nov 01 20:54:51.976 INFO kablam! warning: unused import: `itertools::Itertools`
Nov 01 20:54:51.976 INFO kablam!  --> src/util.rs:3:5
Nov 01 20:54:51.976 INFO kablam!   |
Nov 01 20:54:51.976 INFO kablam! 3 | use itertools::Itertools;
Nov 01 20:54:51.976 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 20:54:51.976 INFO kablam! 
Nov 01 20:54:51.976 INFO kablam! warning: unused import: `BufRead`
Nov 01 20:54:51.976 INFO kablam!  --> src/util.rs:5:15
Nov 01 20:54:51.976 INFO kablam!   |
Nov 01 20:54:51.976 INFO kablam! 5 | use std::io::{BufRead, Write, BufWriter,};
Nov 01 20:54:51.976 INFO kablam!   |               ^^^^^^^
Nov 01 20:54:51.976 INFO kablam! 
Nov 01 20:54:58.371 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.43s
Nov 01 20:54:58.381 INFO kablam! su: No module specific data is present
Nov 01 20:54:58.921 INFO running `"docker" "rm" "-f" "284d3c4021e2d4da3a2c3a045561752894b365951945f98a4568594f3f7f6353"`
Nov 01 20:54:59.016 INFO blam! 284d3c4021e2d4da3a2c3a045561752894b365951945f98a4568594f3f7f6353