Nov 30 20:36:22.939 INFO checking joinkit-0.2.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 20:36:22.939 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 20:36:23.432 INFO [stdout] 207c9b697bf257e5f061566dc305f1f499bf95611fa40c2f7c861ca2ddcb6551
Nov 30 20:36:23.434 INFO running `"docker" "start" "-a" "207c9b697bf257e5f061566dc305f1f499bf95611fa40c2f7c861ca2ddcb6551"`
Nov 30 20:36:25.104 INFO [stderr] usermod: no changes
Nov 30 20:36:25.185 INFO [stderr]     Checking joinkit v0.2.0 (/source)
Nov 30 20:36:26.377 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 20:36:26.377 INFO [stderr]   --> src/lib.rs:27:1
Nov 30 20:36:26.377 INFO [stderr]    |
Nov 30 20:36:26.377 INFO [stderr] 27 | #[macro_use]
Nov 30 20:36:26.377 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 20:36:26.377 INFO [stderr]    |
Nov 30 20:36:26.377 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 20:36:26.377 INFO [stderr] 
Nov 30 20:36:26.446 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 20:36:26.448 INFO [stderr]   --> src/lib.rs:27:1
Nov 30 20:36:26.448 INFO [stderr]    |
Nov 30 20:36:26.448 INFO [stderr] 27 | #[macro_use]
Nov 30 20:36:26.448 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 20:36:26.448 INFO [stderr]    |
Nov 30 20:36:26.448 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 20:36:26.448 INFO [stderr] 
Nov 30 20:36:26.540 INFO [stderr] warning: unused import: `itertools::Itertools`
Nov 30 20:36:26.540 INFO [stderr]  --> src/util.rs:3:5
Nov 30 20:36:26.540 INFO [stderr]   |
Nov 30 20:36:26.540 INFO [stderr] 3 | use itertools::Itertools;
Nov 30 20:36:26.540 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 20:36:26.540 INFO [stderr] 
Nov 30 20:36:26.540 INFO [stderr] warning: unused import: `BufRead`
Nov 30 20:36:26.540 INFO [stderr]  --> src/util.rs:5:15
Nov 30 20:36:26.540 INFO [stderr]   |
Nov 30 20:36:26.540 INFO [stderr] 5 | use std::io::{BufRead, Write, BufWriter,};
Nov 30 20:36:26.540 INFO [stderr]   |               ^^^^^^^
Nov 30 20:36:26.540 INFO [stderr] 
Nov 30 20:36:26.644 INFO [stderr] warning: unused import: `itertools::Itertools`
Nov 30 20:36:26.644 INFO [stderr]  --> src/util.rs:3:5
Nov 30 20:36:26.644 INFO [stderr]   |
Nov 30 20:36:26.644 INFO [stderr] 3 | use itertools::Itertools;
Nov 30 20:36:26.644 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 20:36:26.644 INFO [stderr] 
Nov 30 20:36:26.644 INFO [stderr] warning: unused import: `BufRead`
Nov 30 20:36:26.644 INFO [stderr]  --> src/util.rs:5:15
Nov 30 20:36:26.644 INFO [stderr]   |
Nov 30 20:36:26.644 INFO [stderr] 5 | use std::io::{BufRead, Write, BufWriter,};
Nov 30 20:36:26.645 INFO [stderr]   |               ^^^^^^^
Nov 30 20:36:26.645 INFO [stderr] 
Nov 30 20:36:30.913 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
Nov 30 20:36:30.948 INFO [stderr] su: No module specific data is present
Nov 30 20:36:31.692 INFO running `"docker" "inspect" "207c9b697bf257e5f061566dc305f1f499bf95611fa40c2f7c861ca2ddcb6551"`
Nov 30 20:36:32.012 INFO running `"docker" "rm" "-f" "207c9b697bf257e5f061566dc305f1f499bf95611fa40c2f7c861ca2ddcb6551"`
Nov 30 20:36:32.368 INFO [stdout] 207c9b697bf257e5f061566dc305f1f499bf95611fa40c2f7c861ca2ddcb6551