[INFO] crate prom-attire-impl 0.1.0 is already in cache
[INFO] extracting crate prom-attire-impl 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/prom-attire-impl/0.1.0
[INFO] extracting crate prom-attire-impl 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prom-attire-impl/0.1.0
[INFO] validating manifest of prom-attire-impl-0.1.0 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 prom-attire-impl-0.1.0 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 prom-attire-impl-0.1.0
[INFO] finished frobbing prom-attire-impl-0.1.0
[INFO] frobbed toml for prom-attire-impl-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/prom-attire-impl/0.1.0/Cargo.toml
[INFO] started frobbing prom-attire-impl-0.1.0
[INFO] finished frobbing prom-attire-impl-0.1.0
[INFO] frobbed toml for prom-attire-impl-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prom-attire-impl/0.1.0/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 prom-attire-impl-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prom-attire-impl/0.1.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] eacf4992427e7d449b2e14d7af43a276235198b671de44f0239a8069f8578a24
[INFO] running `"docker" "start" "-a" "eacf4992427e7d449b2e14d7af43a276235198b671de44f0239a8069f8578a24"`
[INFO] [stderr]    Compiling error-chain v0.8.1
[INFO] [stderr]    Compiling prom-attire-impl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:33
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub parse_field_config: &'a Fn(&[syn::Attribute]) -> FieldConfig,
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[syn::Attribute]) -> FieldConfig`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `"docker" "inspect" "eacf4992427e7d449b2e14d7af43a276235198b671de44f0239a8069f8578a24"`
[INFO] running `"docker" "rm" "-f" "eacf4992427e7d449b2e14d7af43a276235198b671de44f0239a8069f8578a24"`
[INFO] [stdout] eacf4992427e7d449b2e14d7af43a276235198b671de44f0239a8069f8578a24
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prom-attire-impl/0.1.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] fe11a040482708c684e5c7a4c289b7723b5157f4c466ac3070206db5b81689e6
[INFO] running `"docker" "start" "-a" "fe11a040482708c684e5c7a4c289b7723b5157f4c466ac3070206db5b81689e6"`
[INFO] [stderr]    Compiling prom-attire-impl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:33
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub parse_field_config: &'a Fn(&[syn::Attribute]) -> FieldConfig,
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[syn::Attribute]) -> FieldConfig`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "fe11a040482708c684e5c7a4c289b7723b5157f4c466ac3070206db5b81689e6"`
[INFO] running `"docker" "rm" "-f" "fe11a040482708c684e5c7a4c289b7723b5157f4c466ac3070206db5b81689e6"`
[INFO] [stdout] fe11a040482708c684e5c7a4c289b7723b5157f4c466ac3070206db5b81689e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/prom-attire-impl/0.1.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 0b98f178a28236136e4c78f04fb49ffd81b9fc18c2c13b496acefc8eecb47a0b
[INFO] running `"docker" "start" "-a" "0b98f178a28236136e4c78f04fb49ffd81b9fc18c2c13b496acefc8eecb47a0b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prom_attire_impl-92fefb9f7d9c71ff
[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]      Running /opt/crater/target/debug/deps/errors-20666b53dd8cb9fe
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test enuum ... ok
[INFO] [stdout] test tuple_struct ... ok
[INFO] [stdout] test bad_docs_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prom-attire-impl
[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" "0b98f178a28236136e4c78f04fb49ffd81b9fc18c2c13b496acefc8eecb47a0b"`
[INFO] running `"docker" "rm" "-f" "0b98f178a28236136e4c78f04fb49ffd81b9fc18c2c13b496acefc8eecb47a0b"`
[INFO] [stdout] 0b98f178a28236136e4c78f04fb49ffd81b9fc18c2c13b496acefc8eecb47a0b