[INFO] crate robusta 0.0.0 is already in cache
[INFO] extracting crate robusta 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/robusta/0.0.0
[INFO] extracting crate robusta 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/robusta/0.0.0
[INFO] validating manifest of robusta-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 robusta-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 robusta-0.0.0
[INFO] finished frobbing robusta-0.0.0
[INFO] frobbed toml for robusta-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/robusta/0.0.0/Cargo.toml
[INFO] started frobbing robusta-0.0.0
[INFO] finished frobbing robusta-0.0.0
[INFO] frobbed toml for robusta-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/robusta/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 robusta-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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/robusta/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] 489409cf6eef29cf6ae703b1d9622baf53c8e6297782daec9bf37fa481588cd6
[INFO] running `"docker" "start" "-a" "489409cf6eef29cf6ae703b1d9622baf53c8e6297782daec9bf37fa481588cd6"`
[INFO] [stderr]    Compiling robusta v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "489409cf6eef29cf6ae703b1d9622baf53c8e6297782daec9bf37fa481588cd6"`
[INFO] running `"docker" "rm" "-f" "489409cf6eef29cf6ae703b1d9622baf53c8e6297782daec9bf37fa481588cd6"`
[INFO] [stdout] 489409cf6eef29cf6ae703b1d9622baf53c8e6297782daec9bf37fa481588cd6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/robusta/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] 2909b97f73e37121000c8ca1f4f43d44ba5ec732e28cfb4602a0e16ba7b7a74d
[INFO] running `"docker" "start" "-a" "2909b97f73e37121000c8ca1f4f43d44ba5ec732e28cfb4602a0e16ba7b7a74d"`
[INFO] [stderr]    Compiling robusta v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "2909b97f73e37121000c8ca1f4f43d44ba5ec732e28cfb4602a0e16ba7b7a74d"`
[INFO] running `"docker" "rm" "-f" "2909b97f73e37121000c8ca1f4f43d44ba5ec732e28cfb4602a0e16ba7b7a74d"`
[INFO] [stdout] 2909b97f73e37121000c8ca1f4f43d44ba5ec732e28cfb4602a0e16ba7b7a74d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/robusta/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] e0b16d2efcc8ac49cf5c4bfa66a1abad76c3580e77cbffb7534df6a99a4a6b93
[INFO] running `"docker" "start" "-a" "e0b16d2efcc8ac49cf5c4bfa66a1abad76c3580e77cbffb7534df6a99a4a6b93"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/robusta-e97cea7dc80f8b92
[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" "e0b16d2efcc8ac49cf5c4bfa66a1abad76c3580e77cbffb7534df6a99a4a6b93"`
[INFO] running `"docker" "rm" "-f" "e0b16d2efcc8ac49cf5c4bfa66a1abad76c3580e77cbffb7534df6a99a4a6b93"`
[INFO] [stdout] e0b16d2efcc8ac49cf5c4bfa66a1abad76c3580e77cbffb7534df6a99a4a6b93