[INFO] cloning repository https://github.com/T3rj3/PolyalphabeticCipher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/T3rj3/PolyalphabeticCipher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT3rj3%2FPolyalphabeticCipher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT3rj3%2FPolyalphabeticCipher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1b6f7b97275d40312b657181b33e4df9270b171
[INFO] documenting T3rj3/PolyalphabeticCipher against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT3rj3%2FPolyalphabeticCipher" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/T3rj3/PolyalphabeticCipher on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/T3rj3/PolyalphabeticCipher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_map v0.6.0
[INFO] [stderr]   Downloaded unicode-width v0.1.3
[INFO] [stderr]   Downloaded strsim v0.5.2
[INFO] [stderr]   Downloaded term_size v0.2.1
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.3
[INFO] [stderr]   Downloaded clap v2.19.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2af095646e86939303a936b15ca175f3b7654011410fd35b22468262eea0908c
[INFO] running `Command { std: "docker" "start" "-a" "2af095646e86939303a936b15ca175f3b7654011410fd35b22468262eea0908c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2af095646e86939303a936b15ca175f3b7654011410fd35b22468262eea0908c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af095646e86939303a936b15ca175f3b7654011410fd35b22468262eea0908c", kill_on_drop: false }`
[INFO] [stdout] 2af095646e86939303a936b15ca175f3b7654011410fd35b22468262eea0908c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2079dbecad30c160987e3d54e02a7651fc3023e5fdb546ed947e04e3774d1027
[INFO] running `Command { std: "docker" "start" "-a" "2079dbecad30c160987e3d54e02a7651fc3023e5fdb546ed947e04e3774d1027", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.19.2
[INFO] [stderr]  Documenting encrypter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/main.rs:50:81
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut key_file = File::open(key_filename).expect("Could not open keyfile")
[INFO] [stdout]    |                                                                                 ^ help: add `;` here
[INFO] [stdout] 51 |     let mut key_buffer = Vec::new();
[INFO] [stdout]    |     --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `encrypter`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name encrypter src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a76caf32d6177274 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-4d445098c5bba5bc.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2079dbecad30c160987e3d54e02a7651fc3023e5fdb546ed947e04e3774d1027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2079dbecad30c160987e3d54e02a7651fc3023e5fdb546ed947e04e3774d1027", kill_on_drop: false }`
[INFO] [stdout] 2079dbecad30c160987e3d54e02a7651fc3023e5fdb546ed947e04e3774d1027