[INFO] cloning repository https://github.com/AusCyberman/rust-http-tunnel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AusCyberman/rust-http-tunnel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAusCyberman%2Frust-http-tunnel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAusCyberman%2Frust-http-tunnel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d53c204ab2eed1639c9889f62c369bbd9d4a085
[INFO] documenting AusCyberman/rust-http-tunnel 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%2FAusCyberman%2Frust-http-tunnel" "/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/AusCyberman/rust-http-tunnel 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/AusCyberman/rust-http-tunnel
[INFO] finished tweaking git repo https://github.com/AusCyberman/rust-http-tunnel
[INFO] tweaked toml for git repo https://github.com/AusCyberman/rust-http-tunnel written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/AusCyberman/rust-http-tunnel 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http_parser v0.0.2
[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_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] b364352daeed70b8be1530f6924ae8542e502e17ad696e3c85901da14cc523f9
[INFO] running `Command { std: "docker" "start" "-a" "b364352daeed70b8be1530f6924ae8542e502e17ad696e3c85901da14cc523f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b364352daeed70b8be1530f6924ae8542e502e17ad696e3c85901da14cc523f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b364352daeed70b8be1530f6924ae8542e502e17ad696e3c85901da14cc523f9", kill_on_drop: false }`
[INFO] [stdout] b364352daeed70b8be1530f6924ae8542e502e17ad696e3c85901da14cc523f9
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/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] 8116348ac59e0f1409158b8276dd2c0d91326a7205cec59f74090d4c6574668f
[INFO] running `Command { std: "docker" "start" "-a" "8116348ac59e0f1409158b8276dd2c0d91326a7205cec59f74090d4c6574668f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking http_parser v0.0.2
[INFO] [stderr]     Checking httptun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting httptun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/http.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]  --> src/config.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Config {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counter`
[INFO] [stdout]   --> src/transmission.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     counter: MutArc<u32>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.48s
[INFO] running `Command { std: "docker" "inspect" "8116348ac59e0f1409158b8276dd2c0d91326a7205cec59f74090d4c6574668f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8116348ac59e0f1409158b8276dd2c0d91326a7205cec59f74090d4c6574668f", kill_on_drop: false }`
[INFO] [stdout] 8116348ac59e0f1409158b8276dd2c0d91326a7205cec59f74090d4c6574668f