[INFO] cloning repository https://github.com/gokou00/basic_rust_webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gokou00/basic_rust_webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokou00%2Fbasic_rust_webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokou00%2Fbasic_rust_webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b48a06fe6881f3fa0ebbc864a2df0e1d31425c1
[INFO] checking gokou00/basic_rust_webserver against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgokou00%2Fbasic_rust_webserver" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gokou00/basic_rust_webserver on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gokou00/basic_rust_webserver
[INFO] finished tweaking git repo https://github.com/gokou00/basic_rust_webserver
[INFO] tweaked toml for git repo https://github.com/gokou00/basic_rust_webserver written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/gokou00/basic_rust_webserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a97f906120d34cd609b7c8156a5afcb69dd4ddb28f91326e3b14202fab815654
[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" "a97f906120d34cd609b7c8156a5afcb69dd4ddb28f91326e3b14202fab815654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a97f906120d34cd609b7c8156a5afcb69dd4ddb28f91326e3b14202fab815654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97f906120d34cd609b7c8156a5afcb69dd4ddb28f91326e3b14202fab815654", kill_on_drop: false }`
[INFO] [stdout] a97f906120d34cd609b7c8156a5afcb69dd4ddb28f91326e3b14202fab815654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32b1fae3453b957d8ee840f7cef9f94c107051702bcc65c417ebfe2da2bb6d4f
[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" "32b1fae3453b957d8ee840f7cef9f94c107051702bcc65c417ebfe2da2bb6d4f", kill_on_drop: false }`
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     workers: Vec<Worker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/lib.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     workers: Vec<Worker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/lib.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "32b1fae3453b957d8ee840f7cef9f94c107051702bcc65c417ebfe2da2bb6d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b1fae3453b957d8ee840f7cef9f94c107051702bcc65c417ebfe2da2bb6d4f", kill_on_drop: false }`
[INFO] [stdout] 32b1fae3453b957d8ee840f7cef9f94c107051702bcc65c417ebfe2da2bb6d4f