[INFO] cloning repository https://github.com/genuinebnt/port_scanner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/genuinebnt/port_scanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenuinebnt%2Fport_scanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenuinebnt%2Fport_scanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e787ce7824175ef6cd6e2777699e079d222fe77
[INFO] checking genuinebnt/port_scanner against master#b44e14f762fd4062faeba97f8f2bc470298ec1ac for pr-135331
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenuinebnt%2Fport_scanner" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/genuinebnt/port_scanner on toolchain b44e14f762fd4062faeba97f8f2bc470298ec1ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/genuinebnt/port_scanner
[INFO] finished tweaking git repo https://github.com/genuinebnt/port_scanner
[INFO] tweaked toml for git repo https://github.com/genuinebnt/port_scanner written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/genuinebnt/port_scanner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9c0aad9162a519b1fd1fd9d5e8fab225bf0a2713f85f591efa5c8641319d4ae
[INFO] running `Command { std: "docker" "start" "-a" "f9c0aad9162a519b1fd1fd9d5e8fab225bf0a2713f85f591efa5c8641319d4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9c0aad9162a519b1fd1fd9d5e8fab225bf0a2713f85f591efa5c8641319d4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c0aad9162a519b1fd1fd9d5e8fab225bf0a2713f85f591efa5c8641319d4ae", kill_on_drop: false }`
[INFO] [stdout] f9c0aad9162a519b1fd1fd9d5e8fab225bf0a2713f85f591efa5c8641319d4ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+b44e14f762fd4062faeba97f8f2bc470298ec1ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b95c90292841c4542070ceab45c69d53610fc20dcbfb48918e92d6b3663a9cc
[INFO] running `Command { std: "docker" "start" "-a" "3b95c90292841c4542070ceab45c69d53610fc20dcbfb48918e92d6b3663a9cc", kill_on_drop: false }`
[INFO] [stderr]     Checking port_scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Arguments {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 12 |     flag: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag` is never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Arguments {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 12 |     flag: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta5kqB49"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetafnBugG"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `port_scanner` (bin "port_scanner") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `port_scanner` (bin "port_scanner" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3b95c90292841c4542070ceab45c69d53610fc20dcbfb48918e92d6b3663a9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b95c90292841c4542070ceab45c69d53610fc20dcbfb48918e92d6b3663a9cc", kill_on_drop: false }`
[INFO] [stdout] 3b95c90292841c4542070ceab45c69d53610fc20dcbfb48918e92d6b3663a9cc