Nov 28 23:12:26.384 INFO checking joinkit-0.2.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 23:12:26.384 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 23:12:26.774 INFO [stdout] 094bb9ea3fe16c177048c109a9bf12fcbda188dd042695e3e9b153abf89b0a86
Nov 28 23:12:26.776 INFO running `"docker" "start" "-a" "094bb9ea3fe16c177048c109a9bf12fcbda188dd042695e3e9b153abf89b0a86"`
Nov 28 23:12:28.132 INFO [stderr] usermod: no changes
Nov 28 23:12:28.279 INFO [stderr]     Checking joinkit v0.2.0 (/source)
Nov 28 23:12:30.044 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 23:12:30.044 INFO [stderr]   --> src/lib.rs:27:1
Nov 28 23:12:30.044 INFO [stderr]    |
Nov 28 23:12:30.044 INFO [stderr] 27 | #[macro_use]
Nov 28 23:12:30.044 INFO [stderr]    | ^^^^^^^^^^^^
Nov 28 23:12:30.044 INFO [stderr]    |
Nov 28 23:12:30.044 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 23:12:30.044 INFO [stderr] 
Nov 28 23:12:30.228 INFO [stderr] warning: unused import: `itertools::Itertools`
Nov 28 23:12:30.228 INFO [stderr]  --> src/util.rs:3:5
Nov 28 23:12:30.228 INFO [stderr]   |
Nov 28 23:12:30.228 INFO [stderr] 3 | use itertools::Itertools;
Nov 28 23:12:30.228 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 23:12:30.228 INFO [stderr] 
Nov 28 23:12:30.228 INFO [stderr] warning: unused import: `BufRead`
Nov 28 23:12:30.228 INFO [stderr]  --> src/util.rs:5:15
Nov 28 23:12:30.228 INFO [stderr]   |
Nov 28 23:12:30.228 INFO [stderr] 5 | use std::io::{BufRead, Write, BufWriter,};
Nov 28 23:12:30.228 INFO [stderr]   |               ^^^^^^^
Nov 28 23:12:30.228 INFO [stderr] 
Nov 28 23:12:30.292 INFO [stderr] warning: unused `#[macro_use]` import
Nov 28 23:12:30.292 INFO [stderr]   --> src/lib.rs:27:1
Nov 28 23:12:30.292 INFO [stderr]    |
Nov 28 23:12:30.292 INFO [stderr] 27 | #[macro_use]
Nov 28 23:12:30.292 INFO [stderr]    | ^^^^^^^^^^^^
Nov 28 23:12:30.292 INFO [stderr]    |
Nov 28 23:12:30.292 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 23:12:30.292 INFO [stderr] 
Nov 28 23:12:30.616 INFO [stderr] warning: unused import: `itertools::Itertools`
Nov 28 23:12:30.616 INFO [stderr]  --> src/util.rs:3:5
Nov 28 23:12:30.616 INFO [stderr]   |
Nov 28 23:12:30.616 INFO [stderr] 3 | use itertools::Itertools;
Nov 28 23:12:30.616 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 28 23:12:30.616 INFO [stderr] 
Nov 28 23:12:30.616 INFO [stderr] warning: unused import: `BufRead`
Nov 28 23:12:30.616 INFO [stderr]  --> src/util.rs:5:15
Nov 28 23:12:30.616 INFO [stderr]   |
Nov 28 23:12:30.616 INFO [stderr] 5 | use std::io::{BufRead, Write, BufWriter,};
Nov 28 23:12:30.616 INFO [stderr]   |               ^^^^^^^
Nov 28 23:12:30.616 INFO [stderr] 
Nov 28 23:12:36.496 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
Nov 28 23:12:36.504 INFO [stderr] su: No module specific data is present
Nov 28 23:12:37.002 INFO running `"docker" "inspect" "094bb9ea3fe16c177048c109a9bf12fcbda188dd042695e3e9b153abf89b0a86"`
Nov 28 23:12:37.272 INFO running `"docker" "rm" "-f" "094bb9ea3fe16c177048c109a9bf12fcbda188dd042695e3e9b153abf89b0a86"`
Nov 28 23:12:37.500 INFO [stdout] 094bb9ea3fe16c177048c109a9bf12fcbda188dd042695e3e9b153abf89b0a86