[INFO] crate flip 0.1.0 is already in cache
[INFO] extracting crate flip 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/flip/0.1.0
[INFO] extracting crate flip 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flip/0.1.0
[INFO] validating manifest of flip-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 flip-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 flip-0.1.0
[INFO] finished frobbing flip-0.1.0
[INFO] frobbed toml for flip-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/flip/0.1.0/Cargo.toml
[INFO] started frobbing flip-0.1.0
[INFO] finished frobbing flip-0.1.0
[INFO] frobbed toml for flip-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flip/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing flip-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-2/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/flip/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] 4078a365bc1b37b4af1bbb688d93b3def07919a5ca6208ace475f35b9345beb5
[INFO] running `"docker" "start" "-a" "4078a365bc1b37b4af1bbb688d93b3def07919a5ca6208ace475f35b9345beb5"`
[INFO] [stderr]    Compiling flip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `"docker" "inspect" "4078a365bc1b37b4af1bbb688d93b3def07919a5ca6208ace475f35b9345beb5"`
[INFO] running `"docker" "rm" "-f" "4078a365bc1b37b4af1bbb688d93b3def07919a5ca6208ace475f35b9345beb5"`
[INFO] [stdout] 4078a365bc1b37b4af1bbb688d93b3def07919a5ca6208ace475f35b9345beb5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/flip/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] bcbde07c5803930898f7fca3946029a89482e00f14891f3b457f4af476e30e40
[INFO] running `"docker" "start" "-a" "bcbde07c5803930898f7fca3946029a89482e00f14891f3b457f4af476e30e40"`
[INFO] [stderr]    Compiling flip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "bcbde07c5803930898f7fca3946029a89482e00f14891f3b457f4af476e30e40"`
[INFO] running `"docker" "rm" "-f" "bcbde07c5803930898f7fca3946029a89482e00f14891f3b457f4af476e30e40"`
[INFO] [stdout] bcbde07c5803930898f7fca3946029a89482e00f14891f3b457f4af476e30e40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/flip/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] 2b71537f96044f898020230db7d1e6298c86ce55e53f75a3ed90adf479c87dc2
[INFO] running `"docker" "start" "-a" "2b71537f96044f898020230db7d1e6298c86ce55e53f75a3ed90adf479c87dc2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flip-f9232d7cea54fed1
[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" "2b71537f96044f898020230db7d1e6298c86ce55e53f75a3ed90adf479c87dc2"`
[INFO] running `"docker" "rm" "-f" "2b71537f96044f898020230db7d1e6298c86ce55e53f75a3ed90adf479c87dc2"`
[INFO] [stdout] 2b71537f96044f898020230db7d1e6298c86ce55e53f75a3ed90adf479c87dc2