[INFO] cloning repository https://github.com/icew4ll/abel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/icew4ll/abel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficew4ll%2Fabel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficew4ll%2Fabel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81c2b6a3b8a2e666da5de499d31d53eb9fd4f1b4
[INFO] documenting icew4ll/abel 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%2Ficew4ll%2Fabel" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/icew4ll/abel 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/icew4ll/abel
[INFO] finished tweaking git repo https://github.com/icew4ll/abel
[INFO] tweaked toml for git repo https://github.com/icew4ll/abel written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/icew4ll/abel 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] bb282d5be416857449699087cbea22aa0e0ac2c12d75a258e45b7a0a01cb659c
[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" "bb282d5be416857449699087cbea22aa0e0ac2c12d75a258e45b7a0a01cb659c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb282d5be416857449699087cbea22aa0e0ac2c12d75a258e45b7a0a01cb659c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb282d5be416857449699087cbea22aa0e0ac2c12d75a258e45b7a0a01cb659c", kill_on_drop: false }`
[INFO] [stdout] bb282d5be416857449699087cbea22aa0e0ac2c12d75a258e45b7a0a01cb659c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 197d147591d47d052deb7a510304e76bb05dd3833a3b87d4a6e5da04f423b132
[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" "197d147591d47d052deb7a510304e76bb05dd3833a3b87d4a6e5da04f423b132", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling winapi v0.3.5
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking shared_child v0.3.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking os_pipe v0.7.0
[INFO] [stderr]     Checking duct v0.11.1
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling envconfig_derive v0.5.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking structopt v0.2.11
[INFO] [stderr]     Checking envconfig v0.5.0
[INFO] [stderr]  Documenting abel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:109:35
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn read(home: &str, csv: &mut Vec<((String, String))>) -> Result<(), Error> {
[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 36.07s
[INFO] running `Command { std: "docker" "inspect" "197d147591d47d052deb7a510304e76bb05dd3833a3b87d4a6e5da04f423b132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197d147591d47d052deb7a510304e76bb05dd3833a3b87d4a6e5da04f423b132", kill_on_drop: false }`
[INFO] [stdout] 197d147591d47d052deb7a510304e76bb05dd3833a3b87d4a6e5da04f423b132