Dec 05 11:29:13.176 INFO checking json_flex-0.3.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:29:13.176 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 11:29:13.700 INFO [stdout] d33a985004384c371d7c5fcff30cf80d7b0b89e3d56027ddeddc8ef96d4f94f3
Dec 05 11:29:13.703 INFO running `"docker" "start" "-a" "d33a985004384c371d7c5fcff30cf80d7b0b89e3d56027ddeddc8ef96d4f94f3"`
Dec 05 11:29:15.318 INFO [stderr] usermod: no changes
Dec 05 11:29:15.418 INFO [stderr]     Checking json_flex v0.3.2 (/source)
Dec 05 11:29:16.555 INFO [stderr] warning: unused import: `std::fs::File`
Dec 05 11:29:16.555 INFO [stderr]  --> src/test.rs:4:5
Dec 05 11:29:16.555 INFO [stderr]   |
Dec 05 11:29:16.555 INFO [stderr] 4 | use std::fs::File;
Dec 05 11:29:16.555 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 11:29:16.555 INFO [stderr]   |
Dec 05 11:29:16.555 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:29:16.555 INFO [stderr] 
Dec 05 11:29:16.555 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 05 11:29:16.555 INFO [stderr]  --> src/test.rs:5:5
Dec 05 11:29:16.555 INFO [stderr]   |
Dec 05 11:29:16.555 INFO [stderr] 5 | use std::io::prelude::*;
Dec 05 11:29:16.555 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 05 11:29:16.555 INFO [stderr] 
Dec 05 11:29:17.919 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
Dec 05 11:29:17.921 INFO [stderr] su: No module specific data is present
Dec 05 11:29:19.054 INFO running `"docker" "inspect" "d33a985004384c371d7c5fcff30cf80d7b0b89e3d56027ddeddc8ef96d4f94f3"`
Dec 05 11:29:19.361 INFO running `"docker" "rm" "-f" "d33a985004384c371d7c5fcff30cf80d7b0b89e3d56027ddeddc8ef96d4f94f3"`
Dec 05 11:29:19.830 INFO [stdout] d33a985004384c371d7c5fcff30cf80d7b0b89e3d56027ddeddc8ef96d4f94f3