[INFO] updating cached repository davidalber/rustatsd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davidalber/rustatsd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davidalber/rustatsd" "work/ex/beta-1.38-1/sources/1.37.0/gh/davidalber/rustatsd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/davidalber/rustatsd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidalber/rustatsd" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidalber/rustatsd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidalber/rustatsd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3713db1f96a6dd189630ca1772678b952cb7d5d4
[INFO] sha for GitHub repo davidalber/rustatsd: 3713db1f96a6dd189630ca1772678b952cb7d5d4
[INFO] validating manifest of davidalber/rustatsd 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 davidalber/rustatsd 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 davidalber/rustatsd
[INFO] finished frobbing davidalber/rustatsd
[INFO] frobbed toml for davidalber/rustatsd written to work/ex/beta-1.38-1/sources/1.37.0/gh/davidalber/rustatsd/Cargo.toml
[INFO] started frobbing davidalber/rustatsd
[INFO] finished frobbing davidalber/rustatsd
[INFO] frobbed toml for davidalber/rustatsd written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davidalber/rustatsd/Cargo.toml
[INFO] crate davidalber/rustatsd 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 davidalber/rustatsd 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/davidalber/rustatsd:/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] 3691f28b44613e8d11d867f261e9198e1d39286d1e5cb2a58e5616a67077e9c7
[INFO] running `"docker" "start" "-a" "3691f28b44613e8d11d867f261e9198e1d39286d1e5cb2a58e5616a67077e9c7"`
[INFO] [stderr]    Compiling seahash v3.0.5
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling serde-hjson v0.8.1
[INFO] [stderr]    Compiling config v0.8.0
[INFO] [stderr]    Compiling rustatsd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flush_interval`
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     flush_interval: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.10s
[INFO] running `"docker" "inspect" "3691f28b44613e8d11d867f261e9198e1d39286d1e5cb2a58e5616a67077e9c7"`
[INFO] running `"docker" "rm" "-f" "3691f28b44613e8d11d867f261e9198e1d39286d1e5cb2a58e5616a67077e9c7"`
[INFO] [stdout] 3691f28b44613e8d11d867f261e9198e1d39286d1e5cb2a58e5616a67077e9c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/davidalber/rustatsd:/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] fd92d4e1aad56b7380a1623b6b85bc17f2cff8acf70ddead726499b569540b4c
[INFO] running `"docker" "start" "-a" "fd92d4e1aad56b7380a1623b6b85bc17f2cff8acf70ddead726499b569540b4c"`
[INFO] [stderr]    Compiling rustatsd v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flush_interval`
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     flush_interval: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "fd92d4e1aad56b7380a1623b6b85bc17f2cff8acf70ddead726499b569540b4c"`
[INFO] running `"docker" "rm" "-f" "fd92d4e1aad56b7380a1623b6b85bc17f2cff8acf70ddead726499b569540b4c"`
[INFO] [stdout] fd92d4e1aad56b7380a1623b6b85bc17f2cff8acf70ddead726499b569540b4c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/davidalber/rustatsd:/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] 7d509bfeabc6a38b649df9ac13c6170de25541cb44445a26e89a10ebff757a59
[INFO] running `"docker" "start" "-a" "7d509bfeabc6a38b649df9ac13c6170de25541cb44445a26e89a10ebff757a59"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustatsd-e5bd11b73ab05ee7
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustatsd-61f462c29ae2f49d
[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] [stderr]    Doc-tests rustatsd
[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" "7d509bfeabc6a38b649df9ac13c6170de25541cb44445a26e89a10ebff757a59"`
[INFO] running `"docker" "rm" "-f" "7d509bfeabc6a38b649df9ac13c6170de25541cb44445a26e89a10ebff757a59"`
[INFO] [stdout] 7d509bfeabc6a38b649df9ac13c6170de25541cb44445a26e89a10ebff757a59