[INFO] updating cached repository girtsf/rust-ff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/girtsf/rust-ff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/girtsf/rust-ff" "work/ex/beta-1.38-1/sources/1.37.0/gh/girtsf/rust-ff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/girtsf/rust-ff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/girtsf/rust-ff" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/girtsf/rust-ff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/girtsf/rust-ff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 63af8f8524994e6b7e2f0b6332ebc311287be1a6
[INFO] sha for GitHub repo girtsf/rust-ff: 63af8f8524994e6b7e2f0b6332ebc311287be1a6
[INFO] validating manifest of girtsf/rust-ff 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 girtsf/rust-ff 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 girtsf/rust-ff
[INFO] finished frobbing girtsf/rust-ff
[INFO] frobbed toml for girtsf/rust-ff written to work/ex/beta-1.38-1/sources/1.37.0/gh/girtsf/rust-ff/Cargo.toml
[INFO] started frobbing girtsf/rust-ff
[INFO] finished frobbing girtsf/rust-ff
[INFO] frobbed toml for girtsf/rust-ff written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/girtsf/rust-ff/Cargo.toml
[INFO] crate girtsf/rust-ff already has a lockfile, it will not be regenerated
[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 girtsf/rust-ff 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/girtsf/rust-ff:/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] a7e8e9dacc333a6ebb2aef7fa89e35030ae8dd07ccfe6dbacbebe59dd1022a4a
[INFO] running `"docker" "start" "-a" "a7e8e9dacc333a6ebb2aef7fa89e35030ae8dd07ccfe6dbacbebe59dd1022a4a"`
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling ff v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.10s
[INFO] running `"docker" "inspect" "a7e8e9dacc333a6ebb2aef7fa89e35030ae8dd07ccfe6dbacbebe59dd1022a4a"`
[INFO] running `"docker" "rm" "-f" "a7e8e9dacc333a6ebb2aef7fa89e35030ae8dd07ccfe6dbacbebe59dd1022a4a"`
[INFO] [stdout] a7e8e9dacc333a6ebb2aef7fa89e35030ae8dd07ccfe6dbacbebe59dd1022a4a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/girtsf/rust-ff:/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] c80e7f19a4a49a43562e3e158e78dbe439749c9da12289adeb55ff71ab43ab19
[INFO] running `"docker" "start" "-a" "c80e7f19a4a49a43562e3e158e78dbe439749c9da12289adeb55ff71ab43ab19"`
[INFO] [stderr]    Compiling ff v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "c80e7f19a4a49a43562e3e158e78dbe439749c9da12289adeb55ff71ab43ab19"`
[INFO] running `"docker" "rm" "-f" "c80e7f19a4a49a43562e3e158e78dbe439749c9da12289adeb55ff71ab43ab19"`
[INFO] [stdout] c80e7f19a4a49a43562e3e158e78dbe439749c9da12289adeb55ff71ab43ab19
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/girtsf/rust-ff:/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] 726754c56a649ab8932135ae32b8ddb5b8204ecae817c2f471ab6f2fa72bfb6d
[INFO] running `"docker" "start" "-a" "726754c56a649ab8932135ae32b8ddb5b8204ecae817c2f471ab6f2fa72bfb6d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ff-623634fc263342f7
[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" "726754c56a649ab8932135ae32b8ddb5b8204ecae817c2f471ab6f2fa72bfb6d"`
[INFO] running `"docker" "rm" "-f" "726754c56a649ab8932135ae32b8ddb5b8204ecae817c2f471ab6f2fa72bfb6d"`
[INFO] [stdout] 726754c56a649ab8932135ae32b8ddb5b8204ecae817c2f471ab6f2fa72bfb6d