[INFO] cloning repository totem3/mackerel-plugin-tcp
[INFO] running `"git" "clone" "--bare" "git://github.com/totem3/mackerel-plugin-tcp.git" "work/cache/sources/gh/totem3/mackerel-plugin-tcp"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/totem3/mackerel-plugin-tcp'...
[INFO] running `"git" "clone" "work/cache/sources/gh/totem3/mackerel-plugin-tcp" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/totem3/mackerel-plugin-tcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/totem3/mackerel-plugin-tcp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/totem3/mackerel-plugin-tcp" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/totem3/mackerel-plugin-tcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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 master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of totem3/mackerel-plugin-tcp on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "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/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mackerel_plugin v0.2.2
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking totem3/mackerel-plugin-tcp against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/totem3/mackerel-plugin-tcp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7951e99152b51aa95bf4b6cecc7969e6546f8deb4a602ae9dab15ccdf1526aaf
[INFO] running `"docker" "start" "-a" "7951e99152b51aa95bf4b6cecc7969e6546f8deb4a602ae9dab15ccdf1526aaf"`
[INFO] [stderr]    Compiling cc v1.0.1
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking serde_json v1.0.4
[INFO] [stderr]     Checking mackerel_plugin v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking 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: 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] 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 26.27s
[INFO] running `"docker" "inspect" "7951e99152b51aa95bf4b6cecc7969e6546f8deb4a602ae9dab15ccdf1526aaf"`
[INFO] running `"docker" "rm" "-f" "7951e99152b51aa95bf4b6cecc7969e6546f8deb4a602ae9dab15ccdf1526aaf"`
[INFO] [stdout] 7951e99152b51aa95bf4b6cecc7969e6546f8deb4a602ae9dab15ccdf1526aaf