[INFO] crate butterfly 0.1.0 is already in cache
[INFO] extracting crate butterfly 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/butterfly/0.1.0
[INFO] extracting crate butterfly 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/butterfly/0.1.0
[INFO] validating manifest of butterfly-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 butterfly-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 butterfly-0.1.0
[INFO] finished frobbing butterfly-0.1.0
[INFO] frobbed toml for butterfly-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/butterfly/0.1.0/Cargo.toml
[INFO] started frobbing butterfly-0.1.0
[INFO] finished frobbing butterfly-0.1.0
[INFO] frobbed toml for butterfly-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/butterfly/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing butterfly-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-5/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/butterfly/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] 3b7594ad9c384c1c50f2aee77322a98d0912ea35ffc49e79f6cc006337591988
[INFO] running `"docker" "start" "-a" "3b7594ad9c384c1c50f2aee77322a98d0912ea35ffc49e79f6cc006337591988"`
[INFO] [stderr]    Compiling butterfly v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "3b7594ad9c384c1c50f2aee77322a98d0912ea35ffc49e79f6cc006337591988"`
[INFO] running `"docker" "rm" "-f" "3b7594ad9c384c1c50f2aee77322a98d0912ea35ffc49e79f6cc006337591988"`
[INFO] [stdout] 3b7594ad9c384c1c50f2aee77322a98d0912ea35ffc49e79f6cc006337591988
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/butterfly/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] 1e2b0c50977e5b211a2b48ab03af73656180feb6aa702bbc626a0fb2a27c516f
[INFO] running `"docker" "start" "-a" "1e2b0c50977e5b211a2b48ab03af73656180feb6aa702bbc626a0fb2a27c516f"`
[INFO] [stderr]    Compiling butterfly v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "1e2b0c50977e5b211a2b48ab03af73656180feb6aa702bbc626a0fb2a27c516f"`
[INFO] running `"docker" "rm" "-f" "1e2b0c50977e5b211a2b48ab03af73656180feb6aa702bbc626a0fb2a27c516f"`
[INFO] [stdout] 1e2b0c50977e5b211a2b48ab03af73656180feb6aa702bbc626a0fb2a27c516f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/butterfly/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] 0eddacac4ef68b426be58c36d4c3ee6bff8fb9ab8012c3e18c57213bcf556a82
[INFO] running `"docker" "start" "-a" "0eddacac4ef68b426be58c36d4c3ee6bff8fb9ab8012c3e18c57213bcf556a82"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/butterfly-6503faf4833e42c1
[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" "0eddacac4ef68b426be58c36d4c3ee6bff8fb9ab8012c3e18c57213bcf556a82"`
[INFO] running `"docker" "rm" "-f" "0eddacac4ef68b426be58c36d4c3ee6bff8fb9ab8012c3e18c57213bcf556a82"`
[INFO] [stdout] 0eddacac4ef68b426be58c36d4c3ee6bff8fb9ab8012c3e18c57213bcf556a82