[INFO] updating cached repository mattkuo/playfair-hammer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mattkuo/playfair-hammer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mattkuo/playfair-hammer" "work/ex/beta-1.37-6/sources/1.36.0/gh/mattkuo/playfair-hammer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mattkuo/playfair-hammer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mattkuo/playfair-hammer" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mattkuo/playfair-hammer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mattkuo/playfair-hammer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c0accd975cad7fba878b919f92ec404367aada94
[INFO] sha for GitHub repo mattkuo/playfair-hammer: c0accd975cad7fba878b919f92ec404367aada94
[INFO] validating manifest of mattkuo/playfair-hammer on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mattkuo/playfair-hammer on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mattkuo/playfair-hammer
[INFO] finished frobbing mattkuo/playfair-hammer
[INFO] frobbed toml for mattkuo/playfair-hammer written to work/ex/beta-1.37-6/sources/1.36.0/gh/mattkuo/playfair-hammer/Cargo.toml
[INFO] started frobbing mattkuo/playfair-hammer
[INFO] finished frobbing mattkuo/playfair-hammer
[INFO] frobbed toml for mattkuo/playfair-hammer written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mattkuo/playfair-hammer/Cargo.toml
[INFO] crate mattkuo/playfair-hammer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mattkuo/playfair-hammer/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mattkuo/playfair-hammer against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mattkuo/playfair-hammer:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 37fc609913b2f915c759ccb38d787879cfc98bff976269acc658386261e724b8
[INFO] running `"docker" "start" "-a" "37fc609913b2f915c759ccb38d787879cfc98bff976269acc658386261e724b8"`
[INFO] [stderr]    Compiling playfair-hammer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `"docker" "inspect" "37fc609913b2f915c759ccb38d787879cfc98bff976269acc658386261e724b8"`
[INFO] running `"docker" "rm" "-f" "37fc609913b2f915c759ccb38d787879cfc98bff976269acc658386261e724b8"`
[INFO] [stdout] 37fc609913b2f915c759ccb38d787879cfc98bff976269acc658386261e724b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mattkuo/playfair-hammer:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8b0475a9964929435328786041b1fa772239155b0a431e07abfcadd17d9c3264
[INFO] running `"docker" "start" "-a" "8b0475a9964929435328786041b1fa772239155b0a431e07abfcadd17d9c3264"`
[INFO] [stderr]    Compiling playfair-hammer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "8b0475a9964929435328786041b1fa772239155b0a431e07abfcadd17d9c3264"`
[INFO] running `"docker" "rm" "-f" "8b0475a9964929435328786041b1fa772239155b0a431e07abfcadd17d9c3264"`
[INFO] [stdout] 8b0475a9964929435328786041b1fa772239155b0a431e07abfcadd17d9c3264
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mattkuo/playfair-hammer:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 61ff0a6e32f42990963cfc5a3b8bb9a169ca8d7a162a4e820d641e7c850f7030
[INFO] running `"docker" "start" "-a" "61ff0a6e32f42990963cfc5a3b8bb9a169ca8d7a162a4e820d641e7c850f7030"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/playfair_hammer-99518841286a2246
[INFO] [stdout] test scoring::tests::test_read_file ... ignored
[INFO] [stdout] test scoring::tests::test_score ... ignored
[INFO] [stdout] test playfair::tests::test_decipher ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "61ff0a6e32f42990963cfc5a3b8bb9a169ca8d7a162a4e820d641e7c850f7030"`
[INFO] running `"docker" "rm" "-f" "61ff0a6e32f42990963cfc5a3b8bb9a169ca8d7a162a4e820d641e7c850f7030"`
[INFO] [stdout] 61ff0a6e32f42990963cfc5a3b8bb9a169ca8d7a162a4e820d641e7c850f7030