[INFO] crate carol-test 1.0.5 is already in cache
[INFO] extracting crate carol-test 1.0.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/carol-test/1.0.5
[INFO] extracting crate carol-test 1.0.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/carol-test/1.0.5
[INFO] validating manifest of carol-test-1.0.5 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 carol-test-1.0.5 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 carol-test-1.0.5
[INFO] finished frobbing carol-test-1.0.5
[INFO] frobbed toml for carol-test-1.0.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/carol-test/1.0.5/Cargo.toml
[INFO] started frobbing carol-test-1.0.5
[INFO] finished frobbing carol-test-1.0.5
[INFO] frobbed toml for carol-test-1.0.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/carol-test/1.0.5/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 carol-test-1.0.5 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/carol-test/1.0.5:/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] b3546933e27c114ae868bdbee361629e78eb86efa79c9c497a5090187699f09c
[INFO] running `"docker" "start" "-a" "b3546933e27c114ae868bdbee361629e78eb86efa79c9c497a5090187699f09c"`
[INFO] [stderr]    Compiling carol-test v1.0.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "b3546933e27c114ae868bdbee361629e78eb86efa79c9c497a5090187699f09c"`
[INFO] running `"docker" "rm" "-f" "b3546933e27c114ae868bdbee361629e78eb86efa79c9c497a5090187699f09c"`
[INFO] [stdout] b3546933e27c114ae868bdbee361629e78eb86efa79c9c497a5090187699f09c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/carol-test/1.0.5:/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] 014aa9411115261c05542b53665c73f500b7007b39c6b0e10493a867f4fa212e
[INFO] running `"docker" "start" "-a" "014aa9411115261c05542b53665c73f500b7007b39c6b0e10493a867f4fa212e"`
[INFO] [stderr]    Compiling carol-test v1.0.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "014aa9411115261c05542b53665c73f500b7007b39c6b0e10493a867f4fa212e"`
[INFO] running `"docker" "rm" "-f" "014aa9411115261c05542b53665c73f500b7007b39c6b0e10493a867f4fa212e"`
[INFO] [stdout] 014aa9411115261c05542b53665c73f500b7007b39c6b0e10493a867f4fa212e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/carol-test/1.0.5:/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] bb1fe33680b0b631b0f6e2b8eae6eaa745a1c07ee56d20aaa3ca03e010afe6a9
[INFO] running `"docker" "start" "-a" "bb1fe33680b0b631b0f6e2b8eae6eaa745a1c07ee56d20aaa3ca03e010afe6a9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/carol_test-efdc42325a309c3a
[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" "bb1fe33680b0b631b0f6e2b8eae6eaa745a1c07ee56d20aaa3ca03e010afe6a9"`
[INFO] running `"docker" "rm" "-f" "bb1fe33680b0b631b0f6e2b8eae6eaa745a1c07ee56d20aaa3ca03e010afe6a9"`
[INFO] [stdout] bb1fe33680b0b631b0f6e2b8eae6eaa745a1c07ee56d20aaa3ca03e010afe6a9