[INFO] cloning repository https://github.com/chengzh2008/sicp-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chengzh2008/sicp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengzh2008%2Fsicp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengzh2008%2Fsicp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 141adcf8fa0cc68d19cfe70c89782dacb5330b5b
[INFO] documenting chengzh2008/sicp-rust 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%2Fchengzh2008%2Fsicp-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chengzh2008/sicp-rust 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/chengzh2008/sicp-rust
[INFO] finished tweaking git repo https://github.com/chengzh2008/sicp-rust
[INFO] tweaked toml for git repo https://github.com/chengzh2008/sicp-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/chengzh2008/sicp-rust 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]  Downloading crates ...
[INFO] [stderr]   Downloaded recur-fn v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db3ff116bae50b3e8e0069a4d83d2af06467bef8f40668ec8a46200c60c6298c
[INFO] running `Command { std: "docker" "start" "-a" "db3ff116bae50b3e8e0069a4d83d2af06467bef8f40668ec8a46200c60c6298c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db3ff116bae50b3e8e0069a4d83d2af06467bef8f40668ec8a46200c60c6298c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3ff116bae50b3e8e0069a4d83d2af06467bef8f40668ec8a46200c60c6298c", kill_on_drop: false }`
[INFO] [stdout] db3ff116bae50b3e8e0069a4d83d2af06467bef8f40668ec8a46200c60c6298c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32b85ba053ef726d4c29b27634efd2ce000ab9eead7e0f0a492a0b1fa327a5e1
[INFO] running `Command { std: "docker" "start" "-a" "32b85ba053ef726d4c29b27634efd2ce000ab9eead7e0f0a492a0b1fa327a5e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking recur-fn v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]  Documenting sicp-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/build_abstraction_with_function/function_as_general_method.rs:125:23
[INFO] [stdout]     |
[INFO] [stdout] 125 |       n / (d - helper((i + 1)))
[INFO] [stdout]     |                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 125 -       n / (d - helper((i + 1)))
[INFO] [stdout] 125 +       n / (d - helper(i + 1))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/build_abstraction_with_function/function_as_general_method.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 |   helper.call((1))
[INFO] [stdout]     |               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 128 -   helper.call((1))
[INFO] [stdout] 128 +   helper.call(1)
[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 16.88s
[INFO] running `Command { std: "docker" "inspect" "32b85ba053ef726d4c29b27634efd2ce000ab9eead7e0f0a492a0b1fa327a5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b85ba053ef726d4c29b27634efd2ce000ab9eead7e0f0a492a0b1fa327a5e1", kill_on_drop: false }`
[INFO] [stdout] 32b85ba053ef726d4c29b27634efd2ce000ab9eead7e0f0a492a0b1fa327a5e1