[INFO] cloning repository https://github.com/Axemen/rust_search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Axemen/rust_search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxemen%2Frust_search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxemen%2Frust_search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2714724e09f8caca3ee302a0b2edb2b6336f1e8f
[INFO] documenting Axemen/rust_search against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxemen%2Frust_search" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Axemen/rust_search on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Axemen/rust_search
[INFO] finished tweaking git repo https://github.com/Axemen/rust_search
[INFO] tweaked toml for git repo https://github.com/Axemen/rust_search written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Axemen/rust_search already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bbe15c8a0c6e77538e36db838641ef87fe4638f06ed03f0989a1b43447878c6
[INFO] running `Command { std: "docker" "start" "-a" "1bbe15c8a0c6e77538e36db838641ef87fe4638f06ed03f0989a1b43447878c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bbe15c8a0c6e77538e36db838641ef87fe4638f06ed03f0989a1b43447878c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbe15c8a0c6e77538e36db838641ef87fe4638f06ed03f0989a1b43447878c6", kill_on_drop: false }`
[INFO] [stdout] 1bbe15c8a0c6e77538e36db838641ef87fe4638f06ed03f0989a1b43447878c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09f40cda0251a7073957e19db86982003d9dd2045c3df4382caa44f340f9b259
[INFO] running `Command { std: "docker" "start" "-a" "09f40cda0251a7073957e19db86982003d9dd2045c3df4382caa44f340f9b259", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking search v0.1.0 (/opt/rustwide/workdir/search)
[INFO] [stdout] warning: unused unary operation that must be used
[INFO] [stdout]    --> search/src/lib.rs:164:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 *scores.entry(*doc_id).or_insert(num / den);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting rust_search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.52s
[INFO] running `Command { std: "docker" "inspect" "09f40cda0251a7073957e19db86982003d9dd2045c3df4382caa44f340f9b259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f40cda0251a7073957e19db86982003d9dd2045c3df4382caa44f340f9b259", kill_on_drop: false }`
[INFO] [stdout] 09f40cda0251a7073957e19db86982003d9dd2045c3df4382caa44f340f9b259