[INFO] cloning repository https://github.com/buntine/rust-crawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buntine/rust-crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuntine%2Frust-crawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuntine%2Frust-crawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92c3233cd0ee054ceb698b2fff4e72ce97c40063
[INFO] testing buntine/rust-crawler against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuntine%2Frust-crawler" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/buntine/rust-crawler on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/buntine/rust-crawler
[INFO] finished tweaking git repo https://github.com/buntine/rust-crawler
[INFO] tweaked toml for git repo https://github.com/buntine/rust-crawler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/buntine/rust-crawler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f148f9858a039b98731671ea2d824506626017ee426a2e338ebfe4d2b32fb8ad
[INFO] running `Command { std: "docker" "start" "-a" "f148f9858a039b98731671ea2d824506626017ee426a2e338ebfe4d2b32fb8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f148f9858a039b98731671ea2d824506626017ee426a2e338ebfe4d2b32fb8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f148f9858a039b98731671ea2d824506626017ee426a2e338ebfe4d2b32fb8ad", kill_on_drop: false }`
[INFO] [stdout] f148f9858a039b98731671ea2d824506626017ee426a2e338ebfe4d2b32fb8ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ac3dc94a2341043366ff3bb11b6101a6e4ea69b0bd71074b16a8e78a8aa2bf4
[INFO] running `Command { std: "docker" "start" "-a" "3ac3dc94a2341043366ff3bb11b6101a6e4ea69b0bd71074b16a8e78a8aa2bf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/main.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 |         fn parse_webpage(&mut self, depth: i32, path: &String) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `visited`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         visited: Vec<String>,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "3ac3dc94a2341043366ff3bb11b6101a6e4ea69b0bd71074b16a8e78a8aa2bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac3dc94a2341043366ff3bb11b6101a6e4ea69b0bd71074b16a8e78a8aa2bf4", kill_on_drop: false }`
[INFO] [stdout] 3ac3dc94a2341043366ff3bb11b6101a6e4ea69b0bd71074b16a8e78a8aa2bf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c17f10db7a59609015def6c3818f99c2d2de5c5aa4ccc7860d586369934321b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c17f10db7a59609015def6c3818f99c2d2de5c5aa4ccc7860d586369934321b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `depth`
[INFO] [stdout]   --> src/main.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 |         fn parse_webpage(&mut self, depth: i32, path: &String) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `visited`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         visited: Vec<String>,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "4c17f10db7a59609015def6c3818f99c2d2de5c5aa4ccc7860d586369934321b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c17f10db7a59609015def6c3818f99c2d2de5c5aa4ccc7860d586369934321b", kill_on_drop: false }`
[INFO] [stdout] 4c17f10db7a59609015def6c3818f99c2d2de5c5aa4ccc7860d586369934321b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c6e23d00818365ef8a053a341ab082e3eef403f50e5b42915f7230dcd0465ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c6e23d00818365ef8a053a341ab082e3eef403f50e5b42915f7230dcd0465ab", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `depth`
[INFO] [stderr]   --> src/main.rs:18:37
[INFO] [stderr]    |
[INFO] [stderr] 18 |         fn parse_webpage(&mut self, depth: i32, path: &String) {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `visited`
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |         visited: Vec<String>,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-crawler` (bin "rust-crawler" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_crawler-7174d66d095aef61)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c6e23d00818365ef8a053a341ab082e3eef403f50e5b42915f7230dcd0465ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6e23d00818365ef8a053a341ab082e3eef403f50e5b42915f7230dcd0465ab", kill_on_drop: false }`
[INFO] [stdout] 3c6e23d00818365ef8a053a341ab082e3eef403f50e5b42915f7230dcd0465ab