Dec 11 07:23:52.639 INFO checking totem3/mackerel-plugin-tcp against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 07:23:52.639 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 07:23:53.200 INFO [stdout] e4af645808b05b4f19f09bd767b4f8e5b9ee8798c6f234e04f8b091443d90e16
Dec 11 07:23:53.204 INFO running `"docker" "start" "-a" "e4af645808b05b4f19f09bd767b4f8e5b9ee8798c6f234e04f8b091443d90e16"`
Dec 11 07:23:54.764 INFO [stderr] usermod: no changes
Dec 11 07:23:54.899 INFO [stderr]    Compiling cc v1.0.1
Dec 11 07:23:54.904 INFO [stderr]     Checking serde v1.0.15
Dec 11 07:23:54.907 INFO [stderr]    Compiling serde_derive v1.0.15
Dec 11 07:23:59.568 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 11 07:24:12.044 INFO [stderr]     Checking serde_json v1.0.4
Dec 11 07:24:15.800 INFO [stderr]     Checking mackerel_plugin v0.2.2
Dec 11 07:24:17.984 INFO [stderr]     Checking backtrace v0.3.3
Dec 11 07:24:18.448 INFO [stderr]     Checking error-chain v0.11.0
Dec 11 07:24:18.979 INFO [stderr]     Checking mackerel-plugin-tcp v0.1.0 (/source)
Dec 11 07:24:19.860 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 07:24:19.860 INFO [stderr]  --> src/main.rs:1:1
Dec 11 07:24:19.860 INFO [stderr]   |
Dec 11 07:24:19.860 INFO [stderr] 1 | #[macro_use]
Dec 11 07:24:19.860 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 07:24:19.860 INFO [stderr]   |
Dec 11 07:24:19.860 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 07:24:19.860 INFO [stderr] 
Dec 11 07:24:19.904 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 07:24:19.904 INFO [stderr]  --> src/main.rs:1:1
Dec 11 07:24:19.904 INFO [stderr]   |
Dec 11 07:24:19.904 INFO [stderr] 1 | #[macro_use]
Dec 11 07:24:19.904 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 07:24:19.904 INFO [stderr]   |
Dec 11 07:24:19.904 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 07:24:19.904 INFO [stderr] 
Dec 11 07:24:20.172 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.38s
Dec 11 07:24:20.184 INFO [stderr] su: No module specific data is present
Dec 11 07:24:20.871 INFO running `"docker" "inspect" "e4af645808b05b4f19f09bd767b4f8e5b9ee8798c6f234e04f8b091443d90e16"`
Dec 11 07:24:21.219 INFO running `"docker" "rm" "-f" "e4af645808b05b4f19f09bd767b4f8e5b9ee8798c6f234e04f8b091443d90e16"`
Dec 11 07:24:21.544 INFO [stdout] e4af645808b05b4f19f09bd767b4f8e5b9ee8798c6f234e04f8b091443d90e16