[INFO] crate metrics-recorder-prometheus 0.2.3 is already in cache
[INFO] testing metrics-recorder-prometheus-0.2.3 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate metrics-recorder-prometheus 0.2.3 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate metrics-recorder-prometheus 0.2.3 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate metrics-recorder-prometheus 0.2.3
[INFO] finished tweaking crates.io crate metrics-recorder-prometheus 0.2.3
[INFO] tweaked toml for crates.io crate metrics-recorder-prometheus 0.2.3 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] e5c7b1c636a4baeaf7784a99aee88e476e112cb34972a3e8ca800eb41797ab44
[INFO] running `"docker" "start" "-a" "e5c7b1c636a4baeaf7784a99aee88e476e112cb34972a3e8ca800eb41797ab44"`
[INFO] [stderr]    Compiling metrics-core v0.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling metrics-util v0.2.1
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling metrics-recorder-prometheus v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `"docker" "inspect" "e5c7b1c636a4baeaf7784a99aee88e476e112cb34972a3e8ca800eb41797ab44"`
[INFO] running `"docker" "rm" "-f" "e5c7b1c636a4baeaf7784a99aee88e476e112cb34972a3e8ca800eb41797ab44"`
[INFO] [stdout] e5c7b1c636a4baeaf7784a99aee88e476e112cb34972a3e8ca800eb41797ab44
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] e2f251f9ae7681044269c18a16ef0e2106ea2f69fda4f41d7c1e2a966a7c7111
[INFO] running `"docker" "start" "-a" "e2f251f9ae7681044269c18a16ef0e2106ea2f69fda4f41d7c1e2a966a7c7111"`
[INFO] [stderr]    Compiling metrics-recorder-prometheus v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "e2f251f9ae7681044269c18a16ef0e2106ea2f69fda4f41d7c1e2a966a7c7111"`
[INFO] running `"docker" "rm" "-f" "e2f251f9ae7681044269c18a16ef0e2106ea2f69fda4f41d7c1e2a966a7c7111"`
[INFO] [stdout] e2f251f9ae7681044269c18a16ef0e2106ea2f69fda4f41d7c1e2a966a7c7111
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 8d02329e6d475acea2cc760840607f376c835d14e33a8c9987eb4d9b2e65e40c
[INFO] running `"docker" "start" "-a" "8d02329e6d475acea2cc760840607f376c835d14e33a8c9987eb4d9b2e65e40c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/metrics_recorder_prometheus-ab5685f7ea1260df
[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 metrics-recorder-prometheus
[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" "8d02329e6d475acea2cc760840607f376c835d14e33a8c9987eb4d9b2e65e40c"`
[INFO] running `"docker" "rm" "-f" "8d02329e6d475acea2cc760840607f376c835d14e33a8c9987eb4d9b2e65e40c"`
[INFO] [stdout] 8d02329e6d475acea2cc760840607f376c835d14e33a8c9987eb4d9b2e65e40c