[INFO] updating cached repository https://github.com/T3rj3/PolyalphabeticCipher
[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] d1b6f7b97275d40312b657181b33e4df9270b171
[INFO] testing T3rj3/PolyalphabeticCipher against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FT3rj3%2FPolyalphabeticCipher" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/T3rj3/PolyalphabeticCipher on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/T3rj3/PolyalphabeticCipher
[INFO] finished tweaking git repo https://github.com/T3rj3/PolyalphabeticCipher
[INFO] tweaked toml for git repo https://github.com/T3rj3/PolyalphabeticCipher written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/T3rj3/PolyalphabeticCipher already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 52b21a1f69f831fc52f9ee1dda440b9efa90134490cd5fce17f969d9f7628a55
[INFO] running `"docker" "start" "-a" "52b21a1f69f831fc52f9ee1dda440b9efa90134490cd5fce17f969d9f7628a55"`
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling clap v2.19.2
[INFO] [stderr]    Compiling encrypter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `.`, `;`, `?`, or an operator, found `let`
[INFO] [stderr]   --> src/main.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut key_file = File::open(key_filename).expect("Could not open keyfile")
[INFO] [stderr]    |                                                                                 - help: a semicolon may be missing here
[INFO] [stderr] 51 |     let mut key_buffer = Vec::new();
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `encrypter`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "52b21a1f69f831fc52f9ee1dda440b9efa90134490cd5fce17f969d9f7628a55"`
[INFO] running `"docker" "rm" "-f" "52b21a1f69f831fc52f9ee1dda440b9efa90134490cd5fce17f969d9f7628a55"`
[INFO] [stdout] 52b21a1f69f831fc52f9ee1dda440b9efa90134490cd5fce17f969d9f7628a55