Nov 28 23:09:55.109 INFO checking json_flex-0.3.2 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 23:09:55.109 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 23:09:55.604 INFO [stdout] 1ae97e88835a5038a0b76bceb83dc626c830d7176bdeb1774888314f6efa133c
Nov 28 23:09:55.606 INFO running `"docker" "start" "-a" "1ae97e88835a5038a0b76bceb83dc626c830d7176bdeb1774888314f6efa133c"`
Nov 28 23:09:57.271 INFO [stderr] usermod: no changes
Nov 28 23:09:57.324 INFO [stderr]     Checking json_flex v0.3.2 (/source)
Nov 28 23:09:58.482 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 23:09:58.483 INFO [stderr]  --> src/test.rs:4:5
Nov 28 23:09:58.483 INFO [stderr]   |
Nov 28 23:09:58.483 INFO [stderr] 4 | use std::fs::File;
Nov 28 23:09:58.483 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 23:09:58.483 INFO [stderr]   |
Nov 28 23:09:58.483 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 23:09:58.483 INFO [stderr] 
Nov 28 23:09:58.483 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 28 23:09:58.483 INFO [stderr]  --> src/test.rs:5:5
Nov 28 23:09:58.483 INFO [stderr]   |
Nov 28 23:09:58.483 INFO [stderr] 5 | use std::io::prelude::*;
Nov 28 23:09:58.483 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 23:09:58.483 INFO [stderr] 
Nov 28 23:09:59.644 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
Nov 28 23:09:59.647 INFO [stderr] su: No module specific data is present
Nov 28 23:10:00.908 INFO running `"docker" "inspect" "1ae97e88835a5038a0b76bceb83dc626c830d7176bdeb1774888314f6efa133c"`
Nov 28 23:10:01.149 INFO running `"docker" "rm" "-f" "1ae97e88835a5038a0b76bceb83dc626c830d7176bdeb1774888314f6efa133c"`
Nov 28 23:10:01.436 INFO [stdout] 1ae97e88835a5038a0b76bceb83dc626c830d7176bdeb1774888314f6efa133c