[INFO] crate preftool-derive 0.2.0 is already in cache
[INFO] extracting crate preftool-derive 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/preftool-derive/0.2.0
[INFO] extracting crate preftool-derive 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/preftool-derive/0.2.0
[INFO] validating manifest of preftool-derive-0.2.0 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 preftool-derive-0.2.0 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 preftool-derive-0.2.0
[INFO] finished frobbing preftool-derive-0.2.0
[INFO] frobbed toml for preftool-derive-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/preftool-derive/0.2.0/Cargo.toml
[INFO] started frobbing preftool-derive-0.2.0
[INFO] finished frobbing preftool-derive-0.2.0
[INFO] frobbed toml for preftool-derive-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/preftool-derive/0.2.0/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 preftool-derive-0.2.0 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/preftool-derive/0.2.0:/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] 703f6eabebed9ddf28cc98d6f69e77cc476d76b26688c7d07f970f91b955f604
[INFO] running `"docker" "start" "-a" "703f6eabebed9ddf28cc98d6f69e77cc476d76b26688c7d07f970f91b955f604"`
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling preftool-derive-core v0.2.0
[INFO] [stderr]    Compiling preftool-derive v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.72s
[INFO] running `"docker" "inspect" "703f6eabebed9ddf28cc98d6f69e77cc476d76b26688c7d07f970f91b955f604"`
[INFO] running `"docker" "rm" "-f" "703f6eabebed9ddf28cc98d6f69e77cc476d76b26688c7d07f970f91b955f604"`
[INFO] [stdout] 703f6eabebed9ddf28cc98d6f69e77cc476d76b26688c7d07f970f91b955f604
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/preftool-derive/0.2.0:/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] 5d489a0752816697ad5aec49692e1b3651252e360c4724221e80f9408d57d4f1
[INFO] running `"docker" "start" "-a" "5d489a0752816697ad5aec49692e1b3651252e360c4724221e80f9408d57d4f1"`
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling preftool v0.2.0
[INFO] [stderr]    Compiling preftool-derive v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `"docker" "inspect" "5d489a0752816697ad5aec49692e1b3651252e360c4724221e80f9408d57d4f1"`
[INFO] running `"docker" "rm" "-f" "5d489a0752816697ad5aec49692e1b3651252e360c4724221e80f9408d57d4f1"`
[INFO] [stdout] 5d489a0752816697ad5aec49692e1b3651252e360c4724221e80f9408d57d4f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/preftool-derive/0.2.0:/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] 025c931d9809413491644997a83e3925d65ba48850d239142540dab9e60307b1
[INFO] running `"docker" "start" "-a" "025c931d9809413491644997a83e3925d65ba48850d239142540dab9e60307b1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/preftool_derive-a68a198a35be1d15
[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/simple-e87156f28d58510b
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test reads_value_from_config ... ok
[INFO] [stderr]    Doc-tests preftool-derive
[INFO] [stdout] test nested_structs ... ok
[INFO] [stdout] test works_with_empty_config ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "025c931d9809413491644997a83e3925d65ba48850d239142540dab9e60307b1"`
[INFO] running `"docker" "rm" "-f" "025c931d9809413491644997a83e3925d65ba48850d239142540dab9e60307b1"`
[INFO] [stdout] 025c931d9809413491644997a83e3925d65ba48850d239142540dab9e60307b1