Dec 12 23:31:23.060 INFO testing totem3/mackerel-plugin-tcp against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 23:31:23.060 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 23:31:23.599 INFO [stdout] 2c5c4c5189b201e50bff406718d38289383a9cc92fb097647da395ac599d50c3
Dec 12 23:31:23.607 INFO running `"docker" "start" "-a" "2c5c4c5189b201e50bff406718d38289383a9cc92fb097647da395ac599d50c3"`
Dec 12 23:31:24.639 INFO [stderr] usermod: no changes
Dec 12 23:31:24.783 INFO [stderr]    Compiling cc v1.0.1
Dec 12 23:31:24.783 INFO [stderr]    Compiling serde v1.0.15
Dec 12 23:31:24.789 INFO [stderr]    Compiling memchr v1.0.1
Dec 12 23:31:24.789 INFO [stderr]    Compiling thread_local v0.3.4
Dec 12 23:31:24.789 INFO [stderr]    Compiling serde_derive_internals v0.16.0
Dec 12 23:31:26.125 INFO [stderr]    Compiling aho-corasick v0.6.3
Dec 12 23:31:30.463 INFO [stderr]    Compiling regex v0.2.2
Dec 12 23:31:31.635 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 12 23:31:32.634 INFO [stderr]    Compiling serde_derive v1.0.15
Dec 12 23:31:56.579 INFO [stderr]    Compiling backtrace v0.3.3
Dec 12 23:31:56.750 INFO [stderr]    Compiling serde_json v1.0.4
Dec 12 23:31:57.971 INFO [stderr]    Compiling error-chain v0.11.0
Dec 12 23:32:00.427 INFO [stderr]    Compiling mackerel_plugin v0.2.2
Dec 12 23:32:02.750 INFO [stderr]    Compiling mackerel-plugin-tcp v0.1.0 (/source)
Dec 12 23:32:03.587 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 23:32:03.587 INFO [stderr]  --> src/main.rs:1:1
Dec 12 23:32:03.587 INFO [stderr]   |
Dec 12 23:32:03.587 INFO [stderr] 1 | #[macro_use]
Dec 12 23:32:03.587 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 23:32:03.587 INFO [stderr]   |
Dec 12 23:32:03.587 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 23:32:03.587 INFO [stderr] 
Dec 12 23:32:06.631 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.97s
Dec 12 23:32:06.638 INFO [stderr] su: No module specific data is present
Dec 12 23:32:07.475 INFO running `"docker" "inspect" "2c5c4c5189b201e50bff406718d38289383a9cc92fb097647da395ac599d50c3"`
Dec 12 23:32:07.741 INFO running `"docker" "rm" "-f" "2c5c4c5189b201e50bff406718d38289383a9cc92fb097647da395ac599d50c3"`
Dec 12 23:32:08.051 INFO [stdout] 2c5c4c5189b201e50bff406718d38289383a9cc92fb097647da395ac599d50c3
Dec 12 23:32:08.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 23:32:08.531 INFO [stdout] b57a92289e10f25fcfb06ee41b14777a56dc4ee5920cecd5cfdd13a64f62e833
Dec 12 23:32:08.534 INFO running `"docker" "start" "-a" "b57a92289e10f25fcfb06ee41b14777a56dc4ee5920cecd5cfdd13a64f62e833"`
Dec 12 23:32:09.794 INFO [stderr] usermod: no changes
Dec 12 23:32:09.931 INFO [stderr]    Compiling mackerel-plugin-tcp v0.1.0 (/source)
Dec 12 23:32:10.439 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 23:32:10.439 INFO [stderr]  --> src/main.rs:1:1
Dec 12 23:32:10.439 INFO [stderr]   |
Dec 12 23:32:10.439 INFO [stderr] 1 | #[macro_use]
Dec 12 23:32:10.439 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 23:32:10.439 INFO [stderr]   |
Dec 12 23:32:10.447 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 23:32:10.447 INFO [stderr] 
Dec 12 23:32:11.049 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Dec 12 23:32:11.059 INFO [stderr] su: No module specific data is present
Dec 12 23:32:12.237 INFO running `"docker" "inspect" "b57a92289e10f25fcfb06ee41b14777a56dc4ee5920cecd5cfdd13a64f62e833"`
Dec 12 23:32:12.556 INFO running `"docker" "rm" "-f" "b57a92289e10f25fcfb06ee41b14777a56dc4ee5920cecd5cfdd13a64f62e833"`
Dec 12 23:32:12.767 INFO [stdout] b57a92289e10f25fcfb06ee41b14777a56dc4ee5920cecd5cfdd13a64f62e833
Dec 12 23:32:12.780 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 23:32:13.095 INFO [stdout] 9b6fefbabebeff33c7a9c9705945cbdb30ac09e09afd3bb522b5f3e2e9465ed3
Dec 12 23:32:13.095 INFO running `"docker" "start" "-a" "9b6fefbabebeff33c7a9c9705945cbdb30ac09e09afd3bb522b5f3e2e9465ed3"`
Dec 12 23:32:14.131 INFO [stderr] usermod: no changes
Dec 12 23:32:14.227 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 12 23:32:14.247 INFO [stderr]      Running /target/debug/deps/mackerel_plugin_tcp-0421d47003cb650c
Dec 12 23:32:14.250 INFO [stdout] 
Dec 12 23:32:14.250 INFO [stdout] running 0 tests
Dec 12 23:32:14.250 INFO [stdout] 
Dec 12 23:32:14.250 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 23:32:14.250 INFO [stdout] 
Dec 12 23:32:14.259 INFO [stderr] su: No module specific data is present
Dec 12 23:32:14.898 INFO running `"docker" "inspect" "9b6fefbabebeff33c7a9c9705945cbdb30ac09e09afd3bb522b5f3e2e9465ed3"`
Dec 12 23:32:15.159 INFO running `"docker" "rm" "-f" "9b6fefbabebeff33c7a9c9705945cbdb30ac09e09afd3bb522b5f3e2e9465ed3"`
Dec 12 23:32:15.391 INFO [stdout] 9b6fefbabebeff33c7a9c9705945cbdb30ac09e09afd3bb522b5f3e2e9465ed3