[INFO] updating cached repository totem3/mackerel-plugin-tcp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/totem3/mackerel-plugin-tcp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/totem3/mackerel-plugin-tcp" "work/ex/beta-1.37-6/sources/1.36.0/gh/totem3/mackerel-plugin-tcp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/totem3/mackerel-plugin-tcp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/totem3/mackerel-plugin-tcp" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/totem3/mackerel-plugin-tcp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/totem3/mackerel-plugin-tcp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f7ebaba4b4064229328838b0686bf69340e2dde
[INFO] sha for GitHub repo totem3/mackerel-plugin-tcp: 7f7ebaba4b4064229328838b0686bf69340e2dde
[INFO] validating manifest of totem3/mackerel-plugin-tcp on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of totem3/mackerel-plugin-tcp on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing totem3/mackerel-plugin-tcp
[INFO] finished frobbing totem3/mackerel-plugin-tcp
[INFO] frobbed toml for totem3/mackerel-plugin-tcp written to work/ex/beta-1.37-6/sources/1.36.0/gh/totem3/mackerel-plugin-tcp/Cargo.toml
[INFO] started frobbing totem3/mackerel-plugin-tcp
[INFO] finished frobbing totem3/mackerel-plugin-tcp
[INFO] frobbed toml for totem3/mackerel-plugin-tcp written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/totem3/mackerel-plugin-tcp/Cargo.toml
[INFO] crate totem3/mackerel-plugin-tcp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing totem3/mackerel-plugin-tcp against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/totem3/mackerel-plugin-tcp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 40306b78296dc765e7f020a814690aa729bb8f83e3789b88d2a3dc79439f9526
[INFO] running `"docker" "start" "-a" "40306b78296dc765e7f020a814690aa729bb8f83e3789b88d2a3dc79439f9526"`
[INFO] [stderr]    Compiling cc v1.0.1
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling serde_json v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling mackerel_plugin v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.3
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling mackerel-plugin-tcp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / error_chain! {
[INFO] [stderr] 20 | |     foreign_links {
[INFO] [stderr] 21 | |         Io(::std::io::Error);
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.92s
[INFO] running `"docker" "inspect" "40306b78296dc765e7f020a814690aa729bb8f83e3789b88d2a3dc79439f9526"`
[INFO] running `"docker" "rm" "-f" "40306b78296dc765e7f020a814690aa729bb8f83e3789b88d2a3dc79439f9526"`
[INFO] [stdout] 40306b78296dc765e7f020a814690aa729bb8f83e3789b88d2a3dc79439f9526
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/totem3/mackerel-plugin-tcp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a69dd0cf6c820549b694b25f9d366dc0a37c6cedc282a7a58867cd1692973683
[INFO] running `"docker" "start" "-a" "a69dd0cf6c820549b694b25f9d366dc0a37c6cedc282a7a58867cd1692973683"`
[INFO] [stderr]    Compiling mackerel-plugin-tcp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / error_chain! {
[INFO] [stderr] 20 | |     foreign_links {
[INFO] [stderr] 21 | |         Io(::std::io::Error);
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "a69dd0cf6c820549b694b25f9d366dc0a37c6cedc282a7a58867cd1692973683"`
[INFO] running `"docker" "rm" "-f" "a69dd0cf6c820549b694b25f9d366dc0a37c6cedc282a7a58867cd1692973683"`
[INFO] [stdout] a69dd0cf6c820549b694b25f9d366dc0a37c6cedc282a7a58867cd1692973683
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/totem3/mackerel-plugin-tcp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 98e7bd8c70b68eb5ae802088fc6e00e2b32114b607ec203bc5a35d53f586ca9a
[INFO] running `"docker" "start" "-a" "98e7bd8c70b68eb5ae802088fc6e00e2b32114b607ec203bc5a35d53f586ca9a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mackerel_plugin_tcp-95f3e3f44f29a9a5
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "98e7bd8c70b68eb5ae802088fc6e00e2b32114b607ec203bc5a35d53f586ca9a"`
[INFO] running `"docker" "rm" "-f" "98e7bd8c70b68eb5ae802088fc6e00e2b32114b607ec203bc5a35d53f586ca9a"`
[INFO] [stdout] 98e7bd8c70b68eb5ae802088fc6e00e2b32114b607ec203bc5a35d53f586ca9a