[INFO] updating cached repository dirk/metriqsd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dirk/metriqsd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dirk/metriqsd" "work/ex/beta-1.38-1/sources/1.37.0/gh/dirk/metriqsd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dirk/metriqsd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dirk/metriqsd" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dirk/metriqsd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dirk/metriqsd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 261131f92244a32b57e2c16364e1661db2d39b76
[INFO] sha for GitHub repo dirk/metriqsd: 261131f92244a32b57e2c16364e1661db2d39b76
[INFO] validating manifest of dirk/metriqsd on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dirk/metriqsd on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dirk/metriqsd
[INFO] finished frobbing dirk/metriqsd
[INFO] frobbed toml for dirk/metriqsd written to work/ex/beta-1.38-1/sources/1.37.0/gh/dirk/metriqsd/Cargo.toml
[INFO] started frobbing dirk/metriqsd
[INFO] finished frobbing dirk/metriqsd
[INFO] frobbed toml for dirk/metriqsd written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dirk/metriqsd/Cargo.toml
[INFO] crate dirk/metriqsd already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dirk/metriqsd against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dirk/metriqsd:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7e0418def97eb0620c7e99315bc3b2fc29cbc788e535f92e770d9130465fd915
[INFO] running `"docker" "start" "-a" "7e0418def97eb0620c7e99315bc3b2fc29cbc788e535f92e770d9130465fd915"`
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]    Compiling string_cache v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling metriqs v0.1.6
[INFO] [stderr]    Compiling metriqsd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/runner.rs:50:41
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for mut recv in self.recv.drain((..)) {
[INFO] [stderr]    |                                         ^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.67s
[INFO] running `"docker" "inspect" "7e0418def97eb0620c7e99315bc3b2fc29cbc788e535f92e770d9130465fd915"`
[INFO] running `"docker" "rm" "-f" "7e0418def97eb0620c7e99315bc3b2fc29cbc788e535f92e770d9130465fd915"`
[INFO] [stdout] 7e0418def97eb0620c7e99315bc3b2fc29cbc788e535f92e770d9130465fd915
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dirk/metriqsd:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f52856037b548fa58d9f416850fc8388b097ee84c5ff2948c9b212383113cc9e
[INFO] running `"docker" "start" "-a" "f52856037b548fa58d9f416850fc8388b097ee84c5ff2948c9b212383113cc9e"`
[INFO] [stderr]    Compiling metriqsd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/runner.rs:50:41
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for mut recv in self.recv.drain((..)) {
[INFO] [stderr]    |                                         ^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "f52856037b548fa58d9f416850fc8388b097ee84c5ff2948c9b212383113cc9e"`
[INFO] running `"docker" "rm" "-f" "f52856037b548fa58d9f416850fc8388b097ee84c5ff2948c9b212383113cc9e"`
[INFO] [stdout] f52856037b548fa58d9f416850fc8388b097ee84c5ff2948c9b212383113cc9e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dirk/metriqsd:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4076e6cdd2d6d864190e194600f70541899c93dc6d95746eba6edf4159665093
[INFO] running `"docker" "start" "-a" "4076e6cdd2d6d864190e194600f70541899c93dc6d95746eba6edf4159665093"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/metriqsd-92d5a1b5a053d00d
[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" "4076e6cdd2d6d864190e194600f70541899c93dc6d95746eba6edf4159665093"`
[INFO] running `"docker" "rm" "-f" "4076e6cdd2d6d864190e194600f70541899c93dc6d95746eba6edf4159665093"`
[INFO] [stdout] 4076e6cdd2d6d864190e194600f70541899c93dc6d95746eba6edf4159665093