[INFO] updating cached repository fergusq/find-pairs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fergusq/find-pairs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fergusq/find-pairs" "work/ex/beta-1.38-1/sources/1.37.0/gh/fergusq/find-pairs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fergusq/find-pairs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fergusq/find-pairs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fergusq/find-pairs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fergusq/find-pairs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c25063d31d09629d432e9d2ea0b935766b9f579
[INFO] sha for GitHub repo fergusq/find-pairs: 3c25063d31d09629d432e9d2ea0b935766b9f579
[INFO] validating manifest of fergusq/find-pairs 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 fergusq/find-pairs 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 fergusq/find-pairs
[INFO] finished frobbing fergusq/find-pairs
[INFO] frobbed toml for fergusq/find-pairs written to work/ex/beta-1.38-1/sources/1.37.0/gh/fergusq/find-pairs/Cargo.toml
[INFO] started frobbing fergusq/find-pairs
[INFO] finished frobbing fergusq/find-pairs
[INFO] frobbed toml for fergusq/find-pairs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fergusq/find-pairs/Cargo.toml
[INFO] crate fergusq/find-pairs 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 fergusq/find-pairs 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/fergusq/find-pairs:/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] 0c48634a3522bdef42efe6aaba7d5426a5a32b70110216801645e2d65afc016e
[INFO] running `"docker" "start" "-a" "0c48634a3522bdef42efe6aaba7d5426a5a32b70110216801645e2d65afc016e"`
[INFO] [stderr]    Compiling conllu-rs v0.2.5 (https://github.com/fergusq/conllu-rs.git#d23e50c0)
[INFO] [stderr]    Compiling find-pairs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "0c48634a3522bdef42efe6aaba7d5426a5a32b70110216801645e2d65afc016e"`
[INFO] running `"docker" "rm" "-f" "0c48634a3522bdef42efe6aaba7d5426a5a32b70110216801645e2d65afc016e"`
[INFO] [stdout] 0c48634a3522bdef42efe6aaba7d5426a5a32b70110216801645e2d65afc016e
[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/fergusq/find-pairs:/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] c66dad15056b20be863bf73326e0a321f9fb1bae4b3d1d7bbde2656ec6ab54e7
[INFO] running `"docker" "start" "-a" "c66dad15056b20be863bf73326e0a321f9fb1bae4b3d1d7bbde2656ec6ab54e7"`
[INFO] [stderr]    Compiling find-pairs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "c66dad15056b20be863bf73326e0a321f9fb1bae4b3d1d7bbde2656ec6ab54e7"`
[INFO] running `"docker" "rm" "-f" "c66dad15056b20be863bf73326e0a321f9fb1bae4b3d1d7bbde2656ec6ab54e7"`
[INFO] [stdout] c66dad15056b20be863bf73326e0a321f9fb1bae4b3d1d7bbde2656ec6ab54e7
[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/fergusq/find-pairs:/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] bfd0205712ae3510f3da8e65562f3516f8dfe64082f62fb53e2792c3b1fe306f
[INFO] running `"docker" "start" "-a" "bfd0205712ae3510f3da8e65562f3516f8dfe64082f62fb53e2792c3b1fe306f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/find_pairs-49e2930a7b7b9548
[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" "bfd0205712ae3510f3da8e65562f3516f8dfe64082f62fb53e2792c3b1fe306f"`
[INFO] running `"docker" "rm" "-f" "bfd0205712ae3510f3da8e65562f3516f8dfe64082f62fb53e2792c3b1fe306f"`
[INFO] [stdout] bfd0205712ae3510f3da8e65562f3516f8dfe64082f62fb53e2792c3b1fe306f