[INFO] updating cached repository https://github.com/mattkuo/playfair-hammer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c0accd975cad7fba878b919f92ec404367aada94
[INFO] testing mattkuo/playfair-hammer against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattkuo%2Fplayfair-hammer" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattkuo/playfair-hammer on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mattkuo/playfair-hammer
[INFO] finished tweaking git repo https://github.com/mattkuo/playfair-hammer
[INFO] tweaked toml for git repo https://github.com/mattkuo/playfair-hammer written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mattkuo/playfair-hammer already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 45a4cce697a95e867a81ff0316f8f4e326b82219b219a82c6f83943a08d0248a
[INFO] running `"docker" "start" "-a" "45a4cce697a95e867a81ff0316f8f4e326b82219b219a82c6f83943a08d0248a"`
[INFO] [stderr]    Compiling playfair-hammer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "45a4cce697a95e867a81ff0316f8f4e326b82219b219a82c6f83943a08d0248a"`
[INFO] running `"docker" "rm" "-f" "45a4cce697a95e867a81ff0316f8f4e326b82219b219a82c6f83943a08d0248a"`
[INFO] [stdout] 45a4cce697a95e867a81ff0316f8f4e326b82219b219a82c6f83943a08d0248a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a2331040026195e902c4a05769b7f4f71a0b772d453704625d8eb54a4f889cca
[INFO] running `"docker" "start" "-a" "a2331040026195e902c4a05769b7f4f71a0b772d453704625d8eb54a4f889cca"`
[INFO] [stderr]    Compiling playfair-hammer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "a2331040026195e902c4a05769b7f4f71a0b772d453704625d8eb54a4f889cca"`
[INFO] running `"docker" "rm" "-f" "a2331040026195e902c4a05769b7f4f71a0b772d453704625d8eb54a4f889cca"`
[INFO] [stdout] a2331040026195e902c4a05769b7f4f71a0b772d453704625d8eb54a4f889cca
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 95e445db882c40a3cc41386d47de3613741dfa49bb42531ed578e91b6a4e2deb
[INFO] running `"docker" "start" "-a" "95e445db882c40a3cc41386d47de3613741dfa49bb42531ed578e91b6a4e2deb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/playfair_hammer-3a1ac7dd0ed5abd4
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[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" "95e445db882c40a3cc41386d47de3613741dfa49bb42531ed578e91b6a4e2deb"`
[INFO] running `"docker" "rm" "-f" "95e445db882c40a3cc41386d47de3613741dfa49bb42531ed578e91b6a4e2deb"`
[INFO] [stdout] 95e445db882c40a3cc41386d47de3613741dfa49bb42531ed578e91b6a4e2deb