[INFO] cloning repository https://github.com/Hosshii/rust_server_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hosshii/rust_server_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Frust_server_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Frust_server_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f89e6345ae52e6ae446a67842db6b3927f831086
[INFO] documenting Hosshii/rust_server_practice against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Frust_server_practice" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hosshii/rust_server_practice on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hosshii/rust_server_practice
[INFO] finished tweaking git repo https://github.com/Hosshii/rust_server_practice
[INFO] tweaked toml for git repo https://github.com/Hosshii/rust_server_practice written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Hosshii/rust_server_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "70e2f4df0c956923441f63c2baea9d8a0ec85eb44048fc7323bccc7f67886e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70e2f4df0c956923441f63c2baea9d8a0ec85eb44048fc7323bccc7f67886e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e2f4df0c956923441f63c2baea9d8a0ec85eb44048fc7323bccc7f67886e91", kill_on_drop: false }`
[INFO] [stdout] 70e2f4df0c956923441f63c2baea9d8a0ec85eb44048fc7323bccc7f67886e91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044eea517d995dce9a003c7e0cf4cb52bcb018bc203105a23ca495a49ddabe82
[INFO] running `Command { std: "docker" "start" "-a" "044eea517d995dce9a003c7e0cf4cb52bcb018bc203105a23ca495a49ddabe82", kill_on_drop: false }`
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[INFO] [stderr]  Documenting rust_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `handler`
[INFO] [stdout]   --> src/server.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     handler: Arc<dyn Handler + Send + Sync>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/message.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.conn.stream.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/server.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 c.serve();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] running `Command { std: "docker" "inspect" "044eea517d995dce9a003c7e0cf4cb52bcb018bc203105a23ca495a49ddabe82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044eea517d995dce9a003c7e0cf4cb52bcb018bc203105a23ca495a49ddabe82", kill_on_drop: false }`
[INFO] [stdout] 044eea517d995dce9a003c7e0cf4cb52bcb018bc203105a23ca495a49ddabe82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 49bd6d656c49c6c513ee10b3778489d77964ce65fffa7bc7a6a822a73a61186b
[INFO] running `Command { std: "docker" "start" "-a" "49bd6d656c49c6c513ee10b3778489d77964ce65fffa7bc7a6a822a73a61186b", kill_on_drop: false }`
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[INFO] [stderr]  Documenting rust_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.12s
[INFO] running `Command { std: "docker" "inspect" "49bd6d656c49c6c513ee10b3778489d77964ce65fffa7bc7a6a822a73a61186b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bd6d656c49c6c513ee10b3778489d77964ce65fffa7bc7a6a822a73a61186b", kill_on_drop: false }`
[INFO] [stdout] 49bd6d656c49c6c513ee10b3778489d77964ce65fffa7bc7a6a822a73a61186b