[INFO] fetching crate tofnd 1.0.1...
[INFO] checking tofnd-1.0.1 against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] extracting crate tofnd 1.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tofnd 1.0.1
[INFO] finished tweaking crates.io crate tofnd 1.0.1
[INFO] tweaked toml for crates.io crate tofnd 1.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tofnd 1.0.1 on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tofnd 1.0.1 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" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "966de1e683ea089810e0cb917190420d857fd3a1d1244235067a8735c7632e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "966de1e683ea089810e0cb917190420d857fd3a1d1244235067a8735c7632e42" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "966de1e683ea089810e0cb917190420d857fd3a1d1244235067a8735c7632e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "966de1e683ea089810e0cb917190420d857fd3a1d1244235067a8735c7632e42" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tofnd v1.0.1 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused return value of `std::array::<impl [T; N]>::map` that must be used
[INFO] [stdout]   --> src/tests/socket_address.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     valid_ips.map(|a| ports.map(|p| assert!(addr(a, p).is_ok())));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let _ = valid_ips.map(|a| ports.map(|p| assert!(addr(a, p).is_ok())));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::array::<impl [T; N]>::map` that must be used
[INFO] [stdout]   --> src/tests/socket_address.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     invalid_ips.map(|a| ports.map(|p| assert!(addr(a, p).is_err())));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = invalid_ips.map(|a| ports.map(|p| assert!(addr(a, p).is_err())));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.77s
[INFO] running `Command { std: "docker" "inspect" "966de1e683ea089810e0cb917190420d857fd3a1d1244235067a8735c7632e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966de1e683ea089810e0cb917190420d857fd3a1d1244235067a8735c7632e42", kill_on_drop: false }`
[INFO] [stdout] 966de1e683ea089810e0cb917190420d857fd3a1d1244235067a8735c7632e42
