[INFO] cloning repository https://github.com/lreynolds18/cryptopals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lreynolds18/cryptopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flreynolds18%2Fcryptopals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flreynolds18%2Fcryptopals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a144dc8081fb7cf99e7c15ea1426e03c73f78842
[INFO] documenting lreynolds18/cryptopals against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flreynolds18%2Fcryptopals" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lreynolds18/cryptopals on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lreynolds18/cryptopals
[INFO] finished tweaking git repo https://github.com/lreynolds18/cryptopals
[INFO] tweaked toml for git repo https://github.com/lreynolds18/cryptopals written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/lreynolds18/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.5.5
[INFO] [stderr]   Downloaded getopts v0.2.17
[INFO] [stderr]   Downloaded clippy v0.0.206
[INFO] [stderr]   Downloaded clippy_lints v0.0.206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 955638f8e6fc8908b013cb68905c170224eaac834e0df20afeea9af1895e662d
[INFO] running `Command { std: "docker" "start" "-a" "955638f8e6fc8908b013cb68905c170224eaac834e0df20afeea9af1895e662d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "955638f8e6fc8908b013cb68905c170224eaac834e0df20afeea9af1895e662d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955638f8e6fc8908b013cb68905c170224eaac834e0df20afeea9af1895e662d", kill_on_drop: false }`
[INFO] [stdout] 955638f8e6fc8908b013cb68905c170224eaac834e0df20afeea9af1895e662d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ba2659773a04f8655c8face1c4af50846cbad832044d0d80ce13724ae617001
[INFO] running `Command { std: "docker" "start" "-a" "5ba2659773a04f8655c8face1c4af50846cbad832044d0d80ce13724ae617001", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]  Documenting cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: struct `Builder` is private
[INFO] [stdout]   --> src/set1/mod.rs:5:16
[INFO] [stdout]    |
[INFO] [stdout] 5  | use challenge::Builder;
[INFO] [stdout]    |                ^^^^^^^ private struct
[INFO] [stdout]    |
[INFO] [stdout] note: the struct `Builder` is defined here
[INFO] [stdout]   --> src/challenge.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Builder {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[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] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `cryptopals`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name cryptopals src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-fe761113f4e19717.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "5ba2659773a04f8655c8face1c4af50846cbad832044d0d80ce13724ae617001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba2659773a04f8655c8face1c4af50846cbad832044d0d80ce13724ae617001", kill_on_drop: false }`
[INFO] [stdout] 5ba2659773a04f8655c8face1c4af50846cbad832044d0d80ce13724ae617001