[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-1.37-6/sources/1.36.0/gh/dirk/metriqsd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dirk/metriqsd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dirk/metriqsd" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dirk/metriqsd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dirk/metriqsd 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 dirk/metriqsd
[INFO] finished frobbing dirk/metriqsd
[INFO] frobbed toml for dirk/metriqsd written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 dirk/metriqsd against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a88ee5a457110176ad29ff56ad046d23b7719ee935d0ea09c670b9239396b68a
[INFO] running `"docker" "start" "-a" "a88ee5a457110176ad29ff56ad046d23b7719ee935d0ea09c670b9239396b68a"`
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[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 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 11.08s
[INFO] running `"docker" "inspect" "a88ee5a457110176ad29ff56ad046d23b7719ee935d0ea09c670b9239396b68a"`
[INFO] running `"docker" "rm" "-f" "a88ee5a457110176ad29ff56ad046d23b7719ee935d0ea09c670b9239396b68a"`
[INFO] [stdout] a88ee5a457110176ad29ff56ad046d23b7719ee935d0ea09c670b9239396b68a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9680b9e711a909718e3ca0ee262d8e438767dd3b074822bfa7675b64359a61e1
[INFO] running `"docker" "start" "-a" "9680b9e711a909718e3ca0ee262d8e438767dd3b074822bfa7675b64359a61e1"`
[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 1.20s
[INFO] running `"docker" "inspect" "9680b9e711a909718e3ca0ee262d8e438767dd3b074822bfa7675b64359a61e1"`
[INFO] running `"docker" "rm" "-f" "9680b9e711a909718e3ca0ee262d8e438767dd3b074822bfa7675b64359a61e1"`
[INFO] [stdout] 9680b9e711a909718e3ca0ee262d8e438767dd3b074822bfa7675b64359a61e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e5e7523a7b0ff086bfa206792bdc8691648805b669a41d25aac92389e5304a51
[INFO] running `"docker" "start" "-a" "e5e7523a7b0ff086bfa206792bdc8691648805b669a41d25aac92389e5304a51"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/metriqsd-4d115137639fdbf6
[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" "e5e7523a7b0ff086bfa206792bdc8691648805b669a41d25aac92389e5304a51"`
[INFO] running `"docker" "rm" "-f" "e5e7523a7b0ff086bfa206792bdc8691648805b669a41d25aac92389e5304a51"`
[INFO] [stdout] e5e7523a7b0ff086bfa206792bdc8691648805b669a41d25aac92389e5304a51