[INFO] crate metrics-core 0.4.0 is already in cache
[INFO] extracting crate metrics-core 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/metrics-core/0.4.0
[INFO] extracting crate metrics-core 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metrics-core/0.4.0
[INFO] validating manifest of metrics-core-0.4.0 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 metrics-core-0.4.0 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 metrics-core-0.4.0
[INFO] finished frobbing metrics-core-0.4.0
[INFO] frobbed toml for metrics-core-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/metrics-core/0.4.0/Cargo.toml
[INFO] started frobbing metrics-core-0.4.0
[INFO] finished frobbing metrics-core-0.4.0
[INFO] frobbed toml for metrics-core-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metrics-core/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 metrics-core-0.4.0 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/reg/metrics-core/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6be1aca3f57b9f157295e794fd6d2debee551513d3ee6fd73e53ce115ac13909
[INFO] running `"docker" "start" "-a" "6be1aca3f57b9f157295e794fd6d2debee551513d3ee6fd73e53ce115ac13909"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling metrics-core v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `"docker" "inspect" "6be1aca3f57b9f157295e794fd6d2debee551513d3ee6fd73e53ce115ac13909"`
[INFO] running `"docker" "rm" "-f" "6be1aca3f57b9f157295e794fd6d2debee551513d3ee6fd73e53ce115ac13909"`
[INFO] [stdout] 6be1aca3f57b9f157295e794fd6d2debee551513d3ee6fd73e53ce115ac13909
[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/reg/metrics-core/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0d1e62085b5d9607cdd616ce84a8e3280e20612348301e93abfa0c8737e235b5
[INFO] running `"docker" "start" "-a" "0d1e62085b5d9607cdd616ce84a8e3280e20612348301e93abfa0c8737e235b5"`
[INFO] [stderr]    Compiling metrics-core v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "0d1e62085b5d9607cdd616ce84a8e3280e20612348301e93abfa0c8737e235b5"`
[INFO] running `"docker" "rm" "-f" "0d1e62085b5d9607cdd616ce84a8e3280e20612348301e93abfa0c8737e235b5"`
[INFO] [stdout] 0d1e62085b5d9607cdd616ce84a8e3280e20612348301e93abfa0c8737e235b5
[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/reg/metrics-core/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b8a581dcd87100291c4b9a2de0b454ad05d8b26b49fcc210ff89c5d84cc5168e
[INFO] running `"docker" "start" "-a" "b8a581dcd87100291c4b9a2de0b454ad05d8b26b49fcc210ff89c5d84cc5168e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/metrics_core-c73f1667c8de3601
[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-core
[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" "b8a581dcd87100291c4b9a2de0b454ad05d8b26b49fcc210ff89c5d84cc5168e"`
[INFO] running `"docker" "rm" "-f" "b8a581dcd87100291c4b9a2de0b454ad05d8b26b49fcc210ff89c5d84cc5168e"`
[INFO] [stdout] b8a581dcd87100291c4b9a2de0b454ad05d8b26b49fcc210ff89c5d84cc5168e