[INFO] cloning repository https://github.com/theodoreOnzGit/rust_concurrency_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theodoreOnzGit/rust_concurrency_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheodoreOnzGit%2Frust_concurrency_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheodoreOnzGit%2Frust_concurrency_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcd4c28c625e86c9149830173c5881b1742369af
[INFO] documenting theodoreOnzGit/rust_concurrency_playground against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtheodoreOnzGit%2Frust_concurrency_playground" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/theodoreOnzGit/rust_concurrency_playground on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theodoreOnzGit/rust_concurrency_playground
[INFO] finished tweaking git repo https://github.com/theodoreOnzGit/rust_concurrency_playground
[INFO] tweaked toml for git repo https://github.com/theodoreOnzGit/rust_concurrency_playground written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/theodoreOnzGit/rust_concurrency_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 212bdefedf08a5e41505bdbd4a88ca9c29a354bd3e594ff4ce636e92107f4f11
[INFO] running `Command { std: "docker" "start" "-a" "212bdefedf08a5e41505bdbd4a88ca9c29a354bd3e594ff4ce636e92107f4f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "212bdefedf08a5e41505bdbd4a88ca9c29a354bd3e594ff4ce636e92107f4f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212bdefedf08a5e41505bdbd4a88ca9c29a354bd3e594ff4ce636e92107f4f11", kill_on_drop: false }`
[INFO] [stdout] 212bdefedf08a5e41505bdbd4a88ca9c29a354bd3e594ff4ce636e92107f4f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e545e779ca764137eedef34be35223e916d8fbc0c65e358e9b6a21110566caf
[INFO] running `Command { std: "docker" "start" "-a" "9e545e779ca764137eedef34be35223e916d8fbc0c65e358e9b6a21110566caf", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]  Documenting rust_concurrency_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rust_concurrency_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/main.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn serial_sum_to_one_thousand() -> f64{
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a function
[INFO] [stdout]   --> src/main.rs:87:1
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn parallel_sum_to_one_thousand() -> f64 {
[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 4.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rust_concurrency_playground_lib/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rust_concurrency_playground/index.html
[INFO] running `Command { std: "docker" "inspect" "9e545e779ca764137eedef34be35223e916d8fbc0c65e358e9b6a21110566caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e545e779ca764137eedef34be35223e916d8fbc0c65e358e9b6a21110566caf", kill_on_drop: false }`
[INFO] [stdout] 9e545e779ca764137eedef34be35223e916d8fbc0c65e358e9b6a21110566caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 270b9f34d736dc6e1159925c0ba21571fc44a2462cfeef4550eaba2682d1af63
[INFO] running `Command { std: "docker" "start" "-a" "270b9f34d736dc6e1159925c0ba21571fc44a2462cfeef4550eaba2682d1af63", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_concurrency_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rust_concurrency_playground_lib/index.html
[INFO] running `Command { std: "docker" "inspect" "270b9f34d736dc6e1159925c0ba21571fc44a2462cfeef4550eaba2682d1af63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270b9f34d736dc6e1159925c0ba21571fc44a2462cfeef4550eaba2682d1af63", kill_on_drop: false }`
[INFO] [stdout] 270b9f34d736dc6e1159925c0ba21571fc44a2462cfeef4550eaba2682d1af63