Dec 04 16:01:59.325 INFO checking kbacha/json_serde_test against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:01:59.325 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 04 16:01:59.495 INFO [stdout] 0cf02aae410e2fe49c0de0799263efd686cdb4bb039aadd98b38cb86dc880372
Dec 04 16:01:59.496 INFO running `"docker" "start" "-a" "0cf02aae410e2fe49c0de0799263efd686cdb4bb039aadd98b38cb86dc880372"`
Dec 04 16:02:00.115 INFO [stderr] usermod: no changes
Dec 04 16:02:00.227 INFO [stderr]     Checking json_testing v0.1.0 (/source)
Dec 04 16:02:00.779 INFO [stderr] warning: unused import: `Read`
Dec 04 16:02:00.779 INFO [stderr]  --> src/main.rs:7:21
Dec 04 16:02:00.779 INFO [stderr]   |
Dec 04 16:02:00.779 INFO [stderr] 7 | use std::io::{self, Read};
Dec 04 16:02:00.779 INFO [stderr]   |                     ^^^^
Dec 04 16:02:00.779 INFO [stderr]   |
Dec 04 16:02:00.779 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:02:00.779 INFO [stderr] 
Dec 04 16:02:00.779 INFO [stderr] warning: unused import: `Read`
Dec 04 16:02:00.779 INFO [stderr]  --> src/main.rs:7:21
Dec 04 16:02:00.779 INFO [stderr]   |
Dec 04 16:02:00.779 INFO [stderr] 7 | use std::io::{self, Read};
Dec 04 16:02:00.779 INFO [stderr]   |                     ^^^^
Dec 04 16:02:00.779 INFO [stderr]   |
Dec 04 16:02:00.791 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:02:00.791 INFO [stderr] 
Dec 04 16:02:01.021 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Dec 04 16:02:01.039 INFO [stderr] su: No module specific data is present
Dec 04 16:02:01.575 INFO running `"docker" "inspect" "0cf02aae410e2fe49c0de0799263efd686cdb4bb039aadd98b38cb86dc880372"`
Dec 04 16:02:01.765 INFO running `"docker" "rm" "-f" "0cf02aae410e2fe49c0de0799263efd686cdb4bb039aadd98b38cb86dc880372"`
Dec 04 16:02:01.938 INFO [stdout] 0cf02aae410e2fe49c0de0799263efd686cdb4bb039aadd98b38cb86dc880372