Dec 12 07:26:08.593 INFO checking slackrbot-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 07:26:08.593 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 07:26:09.070 INFO [stdout] 61a6aefbfbd2629996030a9f00c0768537ccf4623dd3f14f6cd31153d3f601fd
Dec 12 07:26:09.071 INFO running `"docker" "start" "-a" "61a6aefbfbd2629996030a9f00c0768537ccf4623dd3f14f6cd31153d3f601fd"`
Dec 12 07:26:10.326 INFO [stderr] usermod: no changes
Dec 12 07:26:10.407 INFO [stderr]     Checking slackrbot v0.1.0 (/source)
Dec 12 07:26:11.236 INFO [stderr] warning: unused import: `rustc_serialize::json`
Dec 12 07:26:11.236 INFO [stderr]  --> src/lib.rs:2:5
Dec 12 07:26:11.236 INFO [stderr]   |
Dec 12 07:26:11.236 INFO [stderr] 2 | use rustc_serialize::json;
Dec 12 07:26:11.236 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:26:11.236 INFO [stderr]   |
Dec 12 07:26:11.236 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 07:26:11.236 INFO [stderr] 
Dec 12 07:26:11.520 INFO [stderr] warning: unused import: `rustc_serialize::json`
Dec 12 07:26:11.520 INFO [stderr]  --> src/lib.rs:2:5
Dec 12 07:26:11.520 INFO [stderr]   |
Dec 12 07:26:11.520 INFO [stderr] 2 | use rustc_serialize::json;
Dec 12 07:26:11.520 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:26:11.520 INFO [stderr]   |
Dec 12 07:26:11.520 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 07:26:11.520 INFO [stderr] 
Dec 12 07:26:11.570 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Dec 12 07:26:11.571 INFO [stderr] su: No module specific data is present
Dec 12 07:26:12.384 INFO running `"docker" "inspect" "61a6aefbfbd2629996030a9f00c0768537ccf4623dd3f14f6cd31153d3f601fd"`
Dec 12 07:26:12.704 INFO running `"docker" "rm" "-f" "61a6aefbfbd2629996030a9f00c0768537ccf4623dd3f14f6cd31153d3f601fd"`
Dec 12 07:26:13.072 INFO [stdout] 61a6aefbfbd2629996030a9f00c0768537ccf4623dd3f14f6cd31153d3f601fd