[INFO] updating cached repository https://github.com/totem3/mackerel-plugin-tcp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f7ebaba4b4064229328838b0686bf69340e2dde
[INFO] testing totem3/mackerel-plugin-tcp against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem3%2Fmackerel-plugin-tcp" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/totem3/mackerel-plugin-tcp on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/totem3/mackerel-plugin-tcp
[INFO] finished tweaking git repo https://github.com/totem3/mackerel-plugin-tcp
[INFO] tweaked toml for git repo https://github.com/totem3/mackerel-plugin-tcp written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/totem3/mackerel-plugin-tcp already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 768fcb88dd4e34d4841800fe2d29d650151a27cb90a2424ecaf9a32d47f2ac80
[INFO] running `"docker" "start" "-a" "768fcb88dd4e34d4841800fe2d29d650151a27cb90a2424ecaf9a32d47f2ac80"`
[INFO] [stderr]    Compiling cc v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[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/rustwide/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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / lazy_static! {
[INFO] [stderr] 28 | |     static ref INITIAL_CAPITAL: Regex = Regex::new(r"(^[A-Z])").unwrap();
[INFO] [stderr] 29 | |     static ref CAPITAL: Regex = Regex::new(r"([A-Z])").unwrap();
[INFO] [stderr] 30 | | }
[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] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / lazy_static! {
[INFO] [stderr] 28 | |     static ref INITIAL_CAPITAL: Regex = Regex::new(r"(^[A-Z])").unwrap();
[INFO] [stderr] 29 | |     static ref CAPITAL: Regex = Regex::new(r"([A-Z])").unwrap();
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / lazy_static! {
[INFO] [stderr] 28 | |     static ref INITIAL_CAPITAL: Regex = Regex::new(r"(^[A-Z])").unwrap();
[INFO] [stderr] 29 | |     static ref CAPITAL: Regex = Regex::new(r"([A-Z])").unwrap();
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / lazy_static! {
[INFO] [stderr] 28 | |     static ref INITIAL_CAPITAL: Regex = Regex::new(r"(^[A-Z])").unwrap();
[INFO] [stderr] 29 | |     static ref CAPITAL: Regex = Regex::new(r"([A-Z])").unwrap();
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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] 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: 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 12.82s
[INFO] running `"docker" "inspect" "768fcb88dd4e34d4841800fe2d29d650151a27cb90a2424ecaf9a32d47f2ac80"`
[INFO] running `"docker" "rm" "-f" "768fcb88dd4e34d4841800fe2d29d650151a27cb90a2424ecaf9a32d47f2ac80"`
[INFO] [stdout] 768fcb88dd4e34d4841800fe2d29d650151a27cb90a2424ecaf9a32d47f2ac80
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3f892f183ec89883258913e26d7a5d73f6d3e0a8feb7c6e7e7f85ba9dddfb552
[INFO] running `"docker" "start" "-a" "3f892f183ec89883258913e26d7a5d73f6d3e0a8feb7c6e7e7f85ba9dddfb552"`
[INFO] [stderr]    Compiling mackerel-plugin-tcp v0.1.0 (/opt/rustwide/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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / lazy_static! {
[INFO] [stderr] 28 | |     static ref INITIAL_CAPITAL: Regex = Regex::new(r"(^[A-Z])").unwrap();
[INFO] [stderr] 29 | |     static ref CAPITAL: Regex = Regex::new(r"([A-Z])").unwrap();
[INFO] [stderr] 30 | | }
[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] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / lazy_static! {
[INFO] [stderr] 28 | |     static ref INITIAL_CAPITAL: Regex = Regex::new(r"(^[A-Z])").unwrap();
[INFO] [stderr] 29 | |     static ref CAPITAL: Regex = Regex::new(r"([A-Z])").unwrap();
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / lazy_static! {
[INFO] [stderr] 28 | |     static ref INITIAL_CAPITAL: Regex = Regex::new(r"(^[A-Z])").unwrap();
[INFO] [stderr] 29 | |     static ref CAPITAL: Regex = Regex::new(r"([A-Z])").unwrap();
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / lazy_static! {
[INFO] [stderr] 28 | |     static ref INITIAL_CAPITAL: Regex = Regex::new(r"(^[A-Z])").unwrap();
[INFO] [stderr] 29 | |     static ref CAPITAL: Regex = Regex::new(r"([A-Z])").unwrap();
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[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] 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: 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 0.69s
[INFO] running `"docker" "inspect" "3f892f183ec89883258913e26d7a5d73f6d3e0a8feb7c6e7e7f85ba9dddfb552"`
[INFO] running `"docker" "rm" "-f" "3f892f183ec89883258913e26d7a5d73f6d3e0a8feb7c6e7e7f85ba9dddfb552"`
[INFO] [stdout] 3f892f183ec89883258913e26d7a5d73f6d3e0a8feb7c6e7e7f85ba9dddfb552
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 5f7f47820a6eea1cebfbb1f6b6d5ec800207e7cf029aa8f26e003464d64cb049
[INFO] running `"docker" "start" "-a" "5f7f47820a6eea1cebfbb1f6b6d5ec800207e7cf029aa8f26e003464d64cb049"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mackerel_plugin_tcp-4623bf8046b83955
[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" "5f7f47820a6eea1cebfbb1f6b6d5ec800207e7cf029aa8f26e003464d64cb049"`
[INFO] running `"docker" "rm" "-f" "5f7f47820a6eea1cebfbb1f6b6d5ec800207e7cf029aa8f26e003464d64cb049"`
[INFO] [stdout] 5f7f47820a6eea1cebfbb1f6b6d5ec800207e7cf029aa8f26e003464d64cb049