[INFO] crate panic 0.0.0 is already in cache
[INFO] extracting crate panic 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/panic/0.0.0
[INFO] extracting crate panic 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/panic/0.0.0
[INFO] validating manifest of panic-0.0.0 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 panic-0.0.0 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 panic-0.0.0
[INFO] finished frobbing panic-0.0.0
[INFO] frobbed toml for panic-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/panic/0.0.0/Cargo.toml
[INFO] started frobbing panic-0.0.0
[INFO] finished frobbing panic-0.0.0
[INFO] frobbed toml for panic-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/panic/0.0.0/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 panic-0.0.0 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/panic/0.0.0:/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] 9e720982840df07cc32cf5c148eb5e44d345da68b380d50c84f6e33ee6c1e109
[INFO] running `"docker" "start" "-a" "9e720982840df07cc32cf5c148eb5e44d345da68b380d50c84f6e33ee6c1e109"`
[INFO] [stderr]    Compiling panic v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "9e720982840df07cc32cf5c148eb5e44d345da68b380d50c84f6e33ee6c1e109"`
[INFO] running `"docker" "rm" "-f" "9e720982840df07cc32cf5c148eb5e44d345da68b380d50c84f6e33ee6c1e109"`
[INFO] [stdout] 9e720982840df07cc32cf5c148eb5e44d345da68b380d50c84f6e33ee6c1e109
[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/panic/0.0.0:/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] 8938074073fe82ba65c106c75057687c689bbe2751a8d3346a1751e72dafb656
[INFO] running `"docker" "start" "-a" "8938074073fe82ba65c106c75057687c689bbe2751a8d3346a1751e72dafb656"`
[INFO] [stderr]    Compiling panic v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "8938074073fe82ba65c106c75057687c689bbe2751a8d3346a1751e72dafb656"`
[INFO] running `"docker" "rm" "-f" "8938074073fe82ba65c106c75057687c689bbe2751a8d3346a1751e72dafb656"`
[INFO] [stdout] 8938074073fe82ba65c106c75057687c689bbe2751a8d3346a1751e72dafb656
[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/panic/0.0.0:/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] 44d29081674a17c4c314e381180d52978b9ffab8fa285a692c60af1bbfc99adb
[INFO] running `"docker" "start" "-a" "44d29081674a17c4c314e381180d52978b9ffab8fa285a692c60af1bbfc99adb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/panic-fa9913c53202db7c
[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]    Doc-tests panic
[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" "44d29081674a17c4c314e381180d52978b9ffab8fa285a692c60af1bbfc99adb"`
[INFO] running `"docker" "rm" "-f" "44d29081674a17c4c314e381180d52978b9ffab8fa285a692c60af1bbfc99adb"`
[INFO] [stdout] 44d29081674a17c4c314e381180d52978b9ffab8fa285a692c60af1bbfc99adb