[INFO] fetching crate simplers_optimization 0.4.1... [INFO] checking simplers_optimization-0.4.1 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] extracting crate simplers_optimization 0.4.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate simplers_optimization 0.4.1 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate simplers_optimization 0.4.1 [INFO] finished tweaking crates.io crate simplers_optimization 0.4.1 [INFO] tweaked toml for crates.io crate simplers_optimization 0.4.1 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate simplers_optimization 0.4.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 72d8de5e9c1efc81031dc096c38a708ee8bac0dbb5c1888a57c6e4cd449b6dbd [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" "72d8de5e9c1efc81031dc096c38a708ee8bac0dbb5c1888a57c6e4cd449b6dbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72d8de5e9c1efc81031dc096c38a708ee8bac0dbb5c1888a57c6e4cd449b6dbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72d8de5e9c1efc81031dc096c38a708ee8bac0dbb5c1888a57c6e4cd449b6dbd", kill_on_drop: false }` [INFO] [stdout] 72d8de5e9c1efc81031dc096c38a708ee8bac0dbb5c1888a57c6e4cd449b6dbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a50646df9c3d594b10c719d03140ec9478d6093c5c4ba0e352b93b497917442 [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" "7a50646df9c3d594b10c719d03140ec9478d6093c5c4ba0e352b93b497917442", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking indexmap v0.4.1 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Checking priority-queue v0.6.0 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking simplers_optimization v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `coordinates` [INFO] [stdout] --> src/main.rs:19:83 [INFO] [stdout] | [INFO] [stdout] 19 | ... .skip_while(|(value, coordinates)| *value > 1.) [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `coordinates` [INFO] [stdout] --> src/main.rs:44:83 [INFO] [stdout] | [INFO] [stdout] 44 | ... .skip_while(|(value, coordinates)| *value > 1.) [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `coordinates` [INFO] [stdout] --> src/main.rs:19:83 [INFO] [stdout] | [INFO] [stdout] 19 | ... .skip_while(|(value, coordinates)| *value > 1.) [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `coordinates` [INFO] [stdout] --> src/main.rs:44:83 [INFO] [stdout] | [INFO] [stdout] 44 | ... .skip_while(|(value, coordinates)| *value > 1.) [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.55s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7a50646df9c3d594b10c719d03140ec9478d6093c5c4ba0e352b93b497917442", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a50646df9c3d594b10c719d03140ec9478d6093c5c4ba0e352b93b497917442", kill_on_drop: false }` [INFO] [stdout] 7a50646df9c3d594b10c719d03140ec9478d6093c5c4ba0e352b93b497917442