[INFO] cloning repository https://github.com/antweiss/cargo-commentratio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antweiss/cargo-commentratio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantweiss%2Fcargo-commentratio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantweiss%2Fcargo-commentratio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a526a4aac369ccc8910233242768094991d04cfd
[INFO] documenting antweiss/cargo-commentratio 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%2Fantweiss%2Fcargo-commentratio" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antweiss/cargo-commentratio 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/antweiss/cargo-commentratio
[INFO] finished tweaking git repo https://github.com/antweiss/cargo-commentratio
[INFO] tweaked toml for git repo https://github.com/antweiss/cargo-commentratio written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/antweiss/cargo-commentratio 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 quicli v0.3.1
[INFO] [stderr]   Downloaded clicolors-control v0.3.0
[INFO] [stderr]   Downloaded console v0.7.0
[INFO] [stderr]   Downloaded ignore v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 872ba3448907a6124966c3d095163da084bf7429d1a39fd433a3725ca3588415
[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" "872ba3448907a6124966c3d095163da084bf7429d1a39fd433a3725ca3588415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "872ba3448907a6124966c3d095163da084bf7429d1a39fd433a3725ca3588415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872ba3448907a6124966c3d095163da084bf7429d1a39fd433a3725ca3588415", kill_on_drop: false }`
[INFO] [stdout] 872ba3448907a6124966c3d095163da084bf7429d1a39fd433a3725ca3588415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 254bf59c92bb2578fd1ab7f93a7cae36b5cfcc1083a56fac815eb9b3606a571b
[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" "254bf59c92bb2578fd1ab7f93a7cae36b5cfcc1083a56fac815eb9b3606a571b", 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] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
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[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking clicolors-control v0.3.0
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking console v0.7.0
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[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking console v0.6.2
[INFO] [stderr]     Checking ignore v0.4.4
[INFO] [stderr]     Checking dialoguer v0.1.0
[INFO] [stderr]     Checking indicatif v0.9.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.1
[INFO] [stderr]  Documenting cargo-commentratio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/calculate.rs:8:70
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn calculate(project_dir: &PathBuf, pbar: ProgressBar) -> Result<(f32)> {
[INFO] [stdout]   |                                                                      ^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.20s
[INFO] running `Command { std: "docker" "inspect" "254bf59c92bb2578fd1ab7f93a7cae36b5cfcc1083a56fac815eb9b3606a571b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254bf59c92bb2578fd1ab7f93a7cae36b5cfcc1083a56fac815eb9b3606a571b", kill_on_drop: false }`
[INFO] [stdout] 254bf59c92bb2578fd1ab7f93a7cae36b5cfcc1083a56fac815eb9b3606a571b