Dec 04 08:15:05.724 INFO checking totem3/mackerel-plugin-tcp against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 08:15:05.724 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 08:15:06.348 INFO [stdout] e046603d2986819023fd13ae02c50cad755de8eb3ba8a77236445355a0fa5ddb
Dec 04 08:15:06.350 INFO running `"docker" "start" "-a" "e046603d2986819023fd13ae02c50cad755de8eb3ba8a77236445355a0fa5ddb"`
Dec 04 08:15:07.939 INFO [stderr] usermod: no changes
Dec 04 08:15:08.163 INFO [stderr]     Checking serde v1.0.15
Dec 04 08:15:08.175 INFO [stderr]     Checking memchr v1.0.1
Dec 04 08:15:08.191 INFO [stderr]     Checking thread_local v0.3.4
Dec 04 08:15:08.191 INFO [stderr]    Compiling serde_derive_internals v0.16.0
Dec 04 08:15:08.955 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 04 08:15:10.327 INFO [stderr]     Checking regex v0.2.2
Dec 04 08:15:13.539 INFO [stderr]    Compiling serde_derive v1.0.15
Dec 04 08:15:24.335 INFO [stderr]     Checking serde_json v1.0.4
Dec 04 08:15:26.319 INFO [stderr]     Checking mackerel_plugin v0.2.2
Dec 04 08:15:27.123 INFO [stderr]     Checking mackerel-plugin-tcp v0.1.0 (/source)
Dec 04 08:15:27.939 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 08:15:27.939 INFO [stderr]  --> src/main.rs:1:1
Dec 04 08:15:27.939 INFO [stderr]   |
Dec 04 08:15:27.939 INFO [stderr] 1 | #[macro_use]
Dec 04 08:15:27.939 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 08:15:27.939 INFO [stderr]   |
Dec 04 08:15:27.939 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 08:15:27.939 INFO [stderr] 
Dec 04 08:15:27.979 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 08:15:27.979 INFO [stderr]  --> src/main.rs:1:1
Dec 04 08:15:27.979 INFO [stderr]   |
Dec 04 08:15:27.979 INFO [stderr] 1 | #[macro_use]
Dec 04 08:15:27.979 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 08:15:27.979 INFO [stderr]   |
Dec 04 08:15:27.979 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 08:15:27.979 INFO [stderr] 
Dec 04 08:15:28.305 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.33s
Dec 04 08:15:28.307 INFO [stderr] su: No module specific data is present
Dec 04 08:15:28.925 INFO running `"docker" "inspect" "e046603d2986819023fd13ae02c50cad755de8eb3ba8a77236445355a0fa5ddb"`
Dec 04 08:15:29.235 INFO running `"docker" "rm" "-f" "e046603d2986819023fd13ae02c50cad755de8eb3ba8a77236445355a0fa5ddb"`
Dec 04 08:15:29.539 INFO [stdout] e046603d2986819023fd13ae02c50cad755de8eb3ba8a77236445355a0fa5ddb