Dec 04 21:11:25.670 INFO checking ccqpein/random_choice against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 21:11:25.670 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 04 21:11:26.234 INFO [stdout] 1bf9a80a4ef27d1564659067b9f064a60610d5bb15c6e42a7540cd93bfab7d43
Dec 04 21:11:26.239 INFO running `"docker" "start" "-a" "1bf9a80a4ef27d1564659067b9f064a60610d5bb15c6e42a7540cd93bfab7d43"`
Dec 04 21:11:27.411 INFO [stderr] usermod: no changes
Dec 04 21:11:27.519 INFO [stderr]    Compiling serde v1.0.56
Dec 04 21:11:27.530 INFO [stderr]    Compiling serde_derive v1.0.56
Dec 04 21:11:43.493 INFO [stderr]     Checking serde_json v1.0.17
Dec 04 21:11:45.708 INFO [stderr]     Checking random_choice v0.1.0 (/source)
Dec 04 21:11:46.815 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 21:11:46.815 INFO [stderr]   --> src/lib.rs:10:5
Dec 04 21:11:46.815 INFO [stderr]    |
Dec 04 21:11:46.815 INFO [stderr] 10 | use std::collections::HashMap;
Dec 04 21:11:46.815 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:11:46.815 INFO [stderr]    |
Dec 04 21:11:46.815 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 21:11:46.815 INFO [stderr] 
Dec 04 21:11:46.847 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 21:11:46.847 INFO [stderr]   --> src/lib.rs:10:5
Dec 04 21:11:46.847 INFO [stderr]    |
Dec 04 21:11:46.847 INFO [stderr] 10 | use std::collections::HashMap;
Dec 04 21:11:46.847 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:11:46.847 INFO [stderr]    |
Dec 04 21:11:46.847 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 21:11:46.847 INFO [stderr] 
Dec 04 21:11:49.919 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.47s
Dec 04 21:11:49.927 INFO [stderr] su: No module specific data is present
Dec 04 21:11:51.103 INFO running `"docker" "inspect" "1bf9a80a4ef27d1564659067b9f064a60610d5bb15c6e42a7540cd93bfab7d43"`
Dec 04 21:11:51.447 INFO running `"docker" "rm" "-f" "1bf9a80a4ef27d1564659067b9f064a60610d5bb15c6e42a7540cd93bfab7d43"`
Dec 04 21:11:51.827 INFO [stdout] 1bf9a80a4ef27d1564659067b9f064a60610d5bb15c6e42a7540cd93bfab7d43