[INFO] cloning repository https://github.com/VbiosWen/rust_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VbiosWen/rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVbiosWen%2Frust_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVbiosWen%2Frust_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3438daf9f8763281d00b56c551986eb33b63aa7
[INFO] documenting VbiosWen/rust_demo 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%2FVbiosWen%2Frust_demo" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VbiosWen/rust_demo 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/VbiosWen/rust_demo
[INFO] finished tweaking git repo https://github.com/VbiosWen/rust_demo
[INFO] tweaked toml for git repo https://github.com/VbiosWen/rust_demo written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/VbiosWen/rust_demo 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 }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44460c641c4fee0e6971bbc402377589c43abef4b3d074ed590974afa3df41c4
[INFO] running `Command { std: "docker" "start" "-a" "44460c641c4fee0e6971bbc402377589c43abef4b3d074ed590974afa3df41c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44460c641c4fee0e6971bbc402377589c43abef4b3d074ed590974afa3df41c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44460c641c4fee0e6971bbc402377589c43abef4b3d074ed590974afa3df41c4", kill_on_drop: false }`
[INFO] [stdout] 44460c641c4fee0e6971bbc402377589c43abef4b3d074ed590974afa3df41c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 6ae23b88cc956acda7439fe8b921b6777de71f64a338b999587a13c5bb6b2a66
[INFO] running `Command { std: "docker" "start" "-a" "6ae23b88cc956acda7439fe8b921b6777de71f64a338b999587a13c5bb6b2a66", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::front_of_house::hosting`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::front_of_house::hosting;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function1`
[INFO] [stdout]   --> src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn function1() -> fmt::Result {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function2`
[INFO] [stdout]   --> src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn function2() -> fmt::Result {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `seat_at_table`
[INFO] [stdout]  --> src/lib.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |         pub fn seat_at_table() {}
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_order`
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |         fn take_order() {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `server_order`
[INFO] [stdout]   --> src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |         fn server_order() {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_payment`
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         fn take_payment() {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `summary` should have an upper camel case name
[INFO] [stdout]  --> src/bin/trait_deomo.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait summary {
[INFO] [stdout]   |           ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Summary`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` 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 12.42s
[INFO] running `Command { std: "docker" "inspect" "6ae23b88cc956acda7439fe8b921b6777de71f64a338b999587a13c5bb6b2a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae23b88cc956acda7439fe8b921b6777de71f64a338b999587a13c5bb6b2a66", kill_on_drop: false }`
[INFO] [stdout] 6ae23b88cc956acda7439fe8b921b6777de71f64a338b999587a13c5bb6b2a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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: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] 2e51d41ffe379981dcae3d8264633074cdcc6089b3e71000eb554de576c4045a
[INFO] running `Command { std: "docker" "start" "-a" "2e51d41ffe379981dcae3d8264633074cdcc6089b3e71000eb554de576c4045a", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "2e51d41ffe379981dcae3d8264633074cdcc6089b3e71000eb554de576c4045a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e51d41ffe379981dcae3d8264633074cdcc6089b3e71000eb554de576c4045a", kill_on_drop: false }`
[INFO] [stdout] 2e51d41ffe379981dcae3d8264633074cdcc6089b3e71000eb554de576c4045a