[INFO] fetching crate prometheus_exporter 0.4.0...
[INFO] extracting crate prometheus_exporter 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/prometheus_exporter/0.4.0
[INFO] extracting crate prometheus_exporter 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/prometheus_exporter/0.4.0
[INFO] validating manifest of prometheus_exporter-0.4.0 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 prometheus_exporter-0.4.0 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 prometheus_exporter-0.4.0
[INFO] finished frobbing prometheus_exporter-0.4.0
[INFO] frobbed toml for prometheus_exporter-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/prometheus_exporter/0.4.0/Cargo.toml
[INFO] started frobbing prometheus_exporter-0.4.0
[INFO] finished frobbing prometheus_exporter-0.4.0
[INFO] frobbed toml for prometheus_exporter-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/prometheus_exporter/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 prometheus_exporter-0.4.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/prometheus_exporter/0.4.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 1413c7fcde7ca929d682dc400040ae58fb19afad4af2602f21385757a23087d1
[INFO] running `"docker" "start" "-a" "1413c7fcde7ca929d682dc400040ae58fb19afad4af2602f21385757a23087d1"`
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling prometheus_exporter v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.68s
[INFO] running `"docker" "inspect" "1413c7fcde7ca929d682dc400040ae58fb19afad4af2602f21385757a23087d1"`
[INFO] running `"docker" "rm" "-f" "1413c7fcde7ca929d682dc400040ae58fb19afad4af2602f21385757a23087d1"`
[INFO] [stdout] 1413c7fcde7ca929d682dc400040ae58fb19afad4af2602f21385757a23087d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/prometheus_exporter/0.4.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 55d5513bbbdc25936599088dff2f96bc4d4f42ff612ebd0d393f3788d315560e
[INFO] running `"docker" "start" "-a" "55d5513bbbdc25936599088dff2f96bc4d4f42ff612ebd0d393f3788d315560e"`
[INFO] [stderr]    Compiling prometheus_exporter v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "55d5513bbbdc25936599088dff2f96bc4d4f42ff612ebd0d393f3788d315560e"`
[INFO] running `"docker" "rm" "-f" "55d5513bbbdc25936599088dff2f96bc4d4f42ff612ebd0d393f3788d315560e"`
[INFO] [stdout] 55d5513bbbdc25936599088dff2f96bc4d4f42ff612ebd0d393f3788d315560e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/prometheus_exporter/0.4.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b05ecf5138eca6520a4c282ae306c7b09b94db201b20eef84547b501811d8b4f
[INFO] running `"docker" "start" "-a" "b05ecf5138eca6520a4c282ae306c7b09b94db201b20eef84547b501811d8b4f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prometheus_exporter-407220cb4e043246
[INFO] [stderr]    Doc-tests prometheus_exporter
[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] [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" "b05ecf5138eca6520a4c282ae306c7b09b94db201b20eef84547b501811d8b4f"`
[INFO] running `"docker" "rm" "-f" "b05ecf5138eca6520a4c282ae306c7b09b94db201b20eef84547b501811d8b4f"`
[INFO] [stdout] b05ecf5138eca6520a4c282ae306c7b09b94db201b20eef84547b501811d8b4f