Dec 04 21:11:26.203 INFO checking ccqpein/random_choice against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:11:26.203 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 04 21:11:26.649 INFO [stdout] 432c055fd72a5a7e867aab9274c14c80c15cd6434016f50a80b4ec86b91996a3
Dec 04 21:11:26.654 INFO running `"docker" "start" "-a" "432c055fd72a5a7e867aab9274c14c80c15cd6434016f50a80b4ec86b91996a3"`
Dec 04 21:11:27.687 INFO [stderr] usermod: no changes
Dec 04 21:11:27.807 INFO [stderr]     Checking serde_json v1.0.17
Dec 04 21:11:27.807 INFO [stderr]    Compiling serde_derive v1.0.56
Dec 04 21:11:41.137 INFO [stderr]     Checking random_choice v0.1.0 (/source)
Dec 04 21:11:42.087 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 21:11:42.087 INFO [stderr]   --> src/lib.rs:10:5
Dec 04 21:11:42.087 INFO [stderr]    |
Dec 04 21:11:42.087 INFO [stderr] 10 | use std::collections::HashMap;
Dec 04 21:11:42.087 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:11:42.087 INFO [stderr]    |
Dec 04 21:11:42.087 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 21:11:42.087 INFO [stderr] 
Dec 04 21:11:42.097 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 21:11:42.097 INFO [stderr]   --> src/lib.rs:10:5
Dec 04 21:11:42.097 INFO [stderr]    |
Dec 04 21:11:42.097 INFO [stderr] 10 | use std::collections::HashMap;
Dec 04 21:11:42.097 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 21:11:42.098 INFO [stderr]    |
Dec 04 21:11:42.100 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 21:11:42.100 INFO [stderr] 
Dec 04 21:11:45.858 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.14s
Dec 04 21:11:45.863 INFO [stderr] su: No module specific data is present
Dec 04 21:11:47.463 INFO running `"docker" "inspect" "432c055fd72a5a7e867aab9274c14c80c15cd6434016f50a80b4ec86b91996a3"`
Dec 04 21:11:47.768 INFO running `"docker" "rm" "-f" "432c055fd72a5a7e867aab9274c14c80c15cd6434016f50a80b4ec86b91996a3"`
Dec 04 21:11:48.071 INFO [stdout] 432c055fd72a5a7e867aab9274c14c80c15cd6434016f50a80b4ec86b91996a3