[INFO] fetching crate test_pairs 0.1.0... [INFO] building test_pairs-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate test_pairs 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate test_pairs 0.1.0 [INFO] finished tweaking crates.io crate test_pairs 0.1.0 [INFO] tweaked toml for crates.io crate test_pairs 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate test_pairs 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba61cea102a60b730a23bc7e64ec05e377bf84a8a8e61c4a286274988f7bedb8 [INFO] running `Command { std: "docker" "start" "-a" "ba61cea102a60b730a23bc7e64ec05e377bf84a8a8e61c4a286274988f7bedb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba61cea102a60b730a23bc7e64ec05e377bf84a8a8e61c4a286274988f7bedb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba61cea102a60b730a23bc7e64ec05e377bf84a8a8e61c4a286274988f7bedb8", kill_on_drop: false }` [INFO] [stdout] ba61cea102a60b730a23bc7e64ec05e377bf84a8a8e61c4a286274988f7bedb8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] facf8b47d408b14ffc979fed28e8b05a2162670294d049937714c785a8122f34 [INFO] running `Command { std: "docker" "start" "-a" "facf8b47d408b14ffc979fed28e8b05a2162670294d049937714c785a8122f34", kill_on_drop: false }` [INFO] [stderr] Compiling test_pairs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "facf8b47d408b14ffc979fed28e8b05a2162670294d049937714c785a8122f34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "facf8b47d408b14ffc979fed28e8b05a2162670294d049937714c785a8122f34", kill_on_drop: false }` [INFO] [stdout] facf8b47d408b14ffc979fed28e8b05a2162670294d049937714c785a8122f34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9cf6e0bd604bb5509dfa0a362b7183d6c7e40a3b0652fe3a7696d9474cce5bb5 [INFO] running `Command { std: "docker" "start" "-a" "9cf6e0bd604bb5509dfa0a362b7183d6c7e40a3b0652fe3a7696d9474cce5bb5", kill_on_drop: false }` [INFO] [stderr] Compiling test_pairs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/lib.rs:23:32 [INFO] [stdout] | [INFO] [stdout] 23 | test_pairs(&pairs, |a, b| a + 1, |b, a| b - 1); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/lib.rs:23:46 [INFO] [stdout] | [INFO] [stdout] 23 | test_pairs(&pairs, |a, b| a + 1, |b, a| b - 1); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "9cf6e0bd604bb5509dfa0a362b7183d6c7e40a3b0652fe3a7696d9474cce5bb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cf6e0bd604bb5509dfa0a362b7183d6c7e40a3b0652fe3a7696d9474cce5bb5", kill_on_drop: false }` [INFO] [stdout] 9cf6e0bd604bb5509dfa0a362b7183d6c7e40a3b0652fe3a7696d9474cce5bb5