[INFO] cloning repository https://github.com/foundoulis/market_sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foundoulis/market_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoundoulis%2Fmarket_sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoundoulis%2Fmarket_sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fc832f33e3031d30390ec9b8faadb2054787eef
[INFO] documenting foundoulis/market_sim against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoundoulis%2Fmarket_sim" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foundoulis/market_sim on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foundoulis/market_sim
[INFO] finished tweaking git repo https://github.com/foundoulis/market_sim
[INFO] tweaked toml for git repo https://github.com/foundoulis/market_sim written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/foundoulis/market_sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40a5e02177a6303727bff217816e45282fd49eedd856e6047e2fef6c5e91b119
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40a5e02177a6303727bff217816e45282fd49eedd856e6047e2fef6c5e91b119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40a5e02177a6303727bff217816e45282fd49eedd856e6047e2fef6c5e91b119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a5e02177a6303727bff217816e45282fd49eedd856e6047e2fef6c5e91b119", kill_on_drop: false }`
[INFO] [stdout] 40a5e02177a6303727bff217816e45282fd49eedd856e6047e2fef6c5e91b119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5271f1d025f322e6a11e61f1d90fe112ff274b87c4b7545418543af7f8cc8d24
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5271f1d025f322e6a11e61f1d90fe112ff274b87c4b7545418543af7f8cc8d24", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]  Documenting market-sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0446]: private type `prediction::markov::WrongSizeKey` in public interface
[INFO] [stdout]   --> src/prediction/markov.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |   struct WrongSizeKey;
[INFO] [stdout]    |   - `prediction::markov::WrongSizeKey` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 20 | /     pub fn add(&mut self, values: &Vec<T>) -> Result<(),WrongSizeKey> {
[INFO] [stdout] 21 | |         if values.len() < (self.step_size+1) as usize {
[INFO] [stdout] 22 | |             return Err(WrongSizeKey);
[INFO] [stdout] 23 | |         } else {
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |         }
[INFO] [stdout] 45 | |     }
[INFO] [stdout]    | |_____^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `prediction::markov::WrongSizeKey` in public interface
[INFO] [stdout]   --> src/prediction/markov.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |   struct WrongSizeKey;
[INFO] [stdout]    |   - `prediction::markov::WrongSizeKey` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 46 | /     pub fn get(&self, values: &Vec<T>) -> Result<T, WrongSizeKey> {
[INFO] [stdout] 47 | |         if values.len() < self.step_size {
[INFO] [stdout] 48 | |             return Err(WrongSizeKey);
[INFO] [stdout] 49 | |         } else {
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         }
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^ can't leak private type
[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 E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `market-sim`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name market_sim src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-836856b1fc1c85fa.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-beb1600692c3ccc5.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "5271f1d025f322e6a11e61f1d90fe112ff274b87c4b7545418543af7f8cc8d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5271f1d025f322e6a11e61f1d90fe112ff274b87c4b7545418543af7f8cc8d24", kill_on_drop: false }`
[INFO] [stdout] 5271f1d025f322e6a11e61f1d90fe112ff274b87c4b7545418543af7f8cc8d24