[INFO] cloning repository https://github.com/davideGiovannini/cryptochallenge_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davideGiovannini/cryptochallenge_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavideGiovannini%2Fcryptochallenge_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavideGiovannini%2Fcryptochallenge_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d292b3e9eb215d19759ea8ad15d48e91fd5a3006
[INFO] documenting davideGiovannini/cryptochallenge_rust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdavideGiovannini%2Fcryptochallenge_rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davideGiovannini/cryptochallenge_rust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davideGiovannini/cryptochallenge_rust
[INFO] finished tweaking git repo https://github.com/davideGiovannini/cryptochallenge_rust
[INFO] tweaked toml for git repo https://github.com/davideGiovannini/cryptochallenge_rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/davideGiovannini/cryptochallenge_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-05-20" "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] f18750fbcf170ef585bccb57a0bb7b311d522617ae6722e84a26ea2f42df8dde
[INFO] running `Command { std: "docker" "start" "-a" "f18750fbcf170ef585bccb57a0bb7b311d522617ae6722e84a26ea2f42df8dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f18750fbcf170ef585bccb57a0bb7b311d522617ae6722e84a26ea2f42df8dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18750fbcf170ef585bccb57a0bb7b311d522617ae6722e84a26ea2f42df8dde", kill_on_drop: false }`
[INFO] [stdout] f18750fbcf170ef585bccb57a0bb7b311d522617ae6722e84a26ea2f42df8dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2022-05-20" "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] 262030f7326e3a8b6f13960e13bf8a98e009ac34413a17740a22c29c254cea0f
[INFO] running `Command { std: "docker" "start" "-a" "262030f7326e3a8b6f13960e13bf8a98e009ac34413a17740a22c29c254cea0f", kill_on_drop: false }`
[INFO] [stderr]  Documenting set_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]  --> src/base64/mod.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = String::with_capacity((4 * (bytes.len() / 3)));
[INFO] [stdout]   |                                            ^                     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 4 -     let mut result = String::with_capacity((4 * (bytes.len() / 3)));
[INFO] [stdout] 4 +     let mut result = String::with_capacity(4 * (bytes.len() / 3));
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/base64/mod.rs:45:41
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mut result = Vec::with_capacity((3 * (data.len() / 4)));
[INFO] [stdout]    |                                         ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let mut result = Vec::with_capacity((3 * (data.len() / 4)));
[INFO] [stdout] 45 +     let mut result = Vec::with_capacity(3 * (data.len() / 4));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "262030f7326e3a8b6f13960e13bf8a98e009ac34413a17740a22c29c254cea0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262030f7326e3a8b6f13960e13bf8a98e009ac34413a17740a22c29c254cea0f", kill_on_drop: false }`
[INFO] [stdout] 262030f7326e3a8b6f13960e13bf8a98e009ac34413a17740a22c29c254cea0f