Dec 05 11:31:10.092 INFO checking joinkit-0.2.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 11:31:10.092 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 11:31:10.379 INFO [stdout] 6002c7955ec8de30c064d5ed35dba4d2d84a805ab1c512e3cc17485bdef2ea79
Dec 05 11:31:10.381 INFO running `"docker" "start" "-a" "6002c7955ec8de30c064d5ed35dba4d2d84a805ab1c512e3cc17485bdef2ea79"`
Dec 05 11:31:11.115 INFO [stderr] usermod: no changes
Dec 05 11:31:11.196 INFO [stderr]     Checking joinkit v0.2.0 (/source)
Dec 05 11:31:12.187 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:31:12.187 INFO [stderr]   --> src/lib.rs:27:1
Dec 05 11:31:12.187 INFO [stderr]    |
Dec 05 11:31:12.187 INFO [stderr] 27 | #[macro_use]
Dec 05 11:31:12.187 INFO [stderr]    | ^^^^^^^^^^^^
Dec 05 11:31:12.187 INFO [stderr]    |
Dec 05 11:31:12.187 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 11:31:12.187 INFO [stderr] 
Dec 05 11:31:12.259 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 11:31:12.259 INFO [stderr]   --> src/lib.rs:27:1
Dec 05 11:31:12.259 INFO [stderr]    |
Dec 05 11:31:12.259 INFO [stderr] 27 | #[macro_use]
Dec 05 11:31:12.259 INFO [stderr]    | ^^^^^^^^^^^^
Dec 05 11:31:12.259 INFO [stderr]    |
Dec 05 11:31:12.259 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 11:31:12.259 INFO [stderr] 
Dec 05 11:31:12.351 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 05 11:31:12.351 INFO [stderr]  --> src/util.rs:3:5
Dec 05 11:31:12.351 INFO [stderr]   |
Dec 05 11:31:12.351 INFO [stderr] 3 | use itertools::Itertools;
Dec 05 11:31:12.351 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:31:12.351 INFO [stderr] 
Dec 05 11:31:12.351 INFO [stderr] warning: unused import: `BufRead`
Dec 05 11:31:12.351 INFO [stderr]  --> src/util.rs:5:15
Dec 05 11:31:12.351 INFO [stderr]   |
Dec 05 11:31:12.351 INFO [stderr] 5 | use std::io::{BufRead, Write, BufWriter,};
Dec 05 11:31:12.351 INFO [stderr]   |               ^^^^^^^
Dec 05 11:31:12.351 INFO [stderr] 
Dec 05 11:31:12.431 INFO [stderr] warning: unused import: `itertools::Itertools`
Dec 05 11:31:12.431 INFO [stderr]  --> src/util.rs:3:5
Dec 05 11:31:12.431 INFO [stderr]   |
Dec 05 11:31:12.431 INFO [stderr] 3 | use itertools::Itertools;
Dec 05 11:31:12.431 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:31:12.431 INFO [stderr] 
Dec 05 11:31:12.431 INFO [stderr] warning: unused import: `BufRead`
Dec 05 11:31:12.431 INFO [stderr]  --> src/util.rs:5:15
Dec 05 11:31:12.431 INFO [stderr]   |
Dec 05 11:31:12.431 INFO [stderr] 5 | use std::io::{BufRead, Write, BufWriter,};
Dec 05 11:31:12.431 INFO [stderr]   |               ^^^^^^^
Dec 05 11:31:12.431 INFO [stderr] 
Dec 05 11:31:19.242 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.09s
Dec 05 11:31:19.255 INFO [stderr] su: No module specific data is present
Dec 05 11:31:20.726 INFO running `"docker" "inspect" "6002c7955ec8de30c064d5ed35dba4d2d84a805ab1c512e3cc17485bdef2ea79"`
Dec 05 11:31:21.100 INFO running `"docker" "rm" "-f" "6002c7955ec8de30c064d5ed35dba4d2d84a805ab1c512e3cc17485bdef2ea79"`
Dec 05 11:31:21.431 INFO [stdout] 6002c7955ec8de30c064d5ed35dba4d2d84a805ab1c512e3cc17485bdef2ea79