[INFO] cloning repository https://github.com/ernsttm/mapper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ernsttm/mapper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fmapper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fmapper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d35eaa090f4cbef4cd06356569dfaeecb9494720
[INFO] documenting ernsttm/mapper against 1.83.0 for beta-rustdoc-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fernsttm%2Fmapper" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ernsttm/mapper on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ernsttm/mapper
[INFO] finished tweaking git repo https://github.com/ernsttm/mapper
[INFO] tweaked toml for git repo https://github.com/ernsttm/mapper written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ernsttm/mapper 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6eea2dbf4ebce8e236be09f7edeb20a4cdd1d599ee05ea3cda0f0254edc3d899
[INFO] running `Command { std: "docker" "start" "-a" "6eea2dbf4ebce8e236be09f7edeb20a4cdd1d599ee05ea3cda0f0254edc3d899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eea2dbf4ebce8e236be09f7edeb20a4cdd1d599ee05ea3cda0f0254edc3d899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eea2dbf4ebce8e236be09f7edeb20a4cdd1d599ee05ea3cda0f0254edc3d899", kill_on_drop: false }`
[INFO] [stdout] 6eea2dbf4ebce8e236be09f7edeb20a4cdd1d599ee05ea3cda0f0254edc3d899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a7cab96617119638c3e937fb4dcd0f05d459d7e347c1033c2c880e8de4eabd
[INFO] running `Command { std: "docker" "start" "-a" "67a7cab96617119638c3e937fb4dcd0f05d459d7e347c1033c2c880e8de4eabd", kill_on_drop: false }`
[INFO] [stderr]  Documenting placer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:169:37
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn parse(config: &Config) -> Result<(Problem), Box<dyn Error>> {
[INFO] [stdout]     |                                     ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 169 - fn parse(config: &Config) -> Result<(Problem), Box<dyn Error>> {
[INFO] [stdout] 169 + fn parse(config: &Config) -> Result<Problem, Box<dyn Error>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:256:39
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn run(config: &Config) -> Result<(usize), Box<dyn Error>> {
[INFO] [stdout]     |                                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 256 - pub fn run(config: &Config) -> Result<(usize), Box<dyn Error>> {
[INFO] [stdout] 256 + pub fn run(config: &Config) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/placer/index.html
[INFO] running `Command { std: "docker" "inspect" "67a7cab96617119638c3e937fb4dcd0f05d459d7e347c1033c2c880e8de4eabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a7cab96617119638c3e937fb4dcd0f05d459d7e347c1033c2c880e8de4eabd", kill_on_drop: false }`
[INFO] [stdout] 67a7cab96617119638c3e937fb4dcd0f05d459d7e347c1033c2c880e8de4eabd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d5d755dfefd5095a84205956b28337cd2bb41c89dc3b33a25032424e3b3e7ce
[INFO] running `Command { std: "docker" "start" "-a" "0d5d755dfefd5095a84205956b28337cd2bb41c89dc3b33a25032424e3b3e7ce", kill_on_drop: false }`
[INFO] [stderr]  Documenting placer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:169:37
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn parse(config: &Config) -> Result<(Problem), Box<dyn Error>> {
[INFO] [stdout]     |                                     ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 169 - fn parse(config: &Config) -> Result<(Problem), Box<dyn Error>> {
[INFO] [stdout] 169 + fn parse(config: &Config) -> Result<Problem, Box<dyn Error>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:256:39
[INFO] [stdout]     |
[INFO] [stdout] 256 | pub fn run(config: &Config) -> Result<(usize), Box<dyn Error>> {
[INFO] [stdout]     |                                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 256 - pub fn run(config: &Config) -> Result<(usize), Box<dyn Error>> {
[INFO] [stdout] 256 + pub fn run(config: &Config) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/placer/index.html
[INFO] running `Command { std: "docker" "inspect" "0d5d755dfefd5095a84205956b28337cd2bb41c89dc3b33a25032424e3b3e7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5d755dfefd5095a84205956b28337cd2bb41c89dc3b33a25032424e3b3e7ce", kill_on_drop: false }`
[INFO] [stdout] 0d5d755dfefd5095a84205956b28337cd2bb41c89dc3b33a25032424e3b3e7ce