[INFO] crate simplers_optimization 0.4.1 is already in cache
[INFO] checking simplers_optimization-0.4.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate simplers_optimization 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate simplers_optimization 0.4.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-1/source/Cargo.toml
[INFO] crate crates.io crate simplers_optimization 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2cb738c990c9166996321ebb2eed0180c6bb7ffe10ecce3cfdcc4d4e15319b9d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2cb738c990c9166996321ebb2eed0180c6bb7ffe10ecce3cfdcc4d4e15319b9d"`
[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] [stderr] warning: unused variable: `coordinates`
[INFO] [stderr]   --> src/main.rs:19:83
[INFO] [stderr]    |
[INFO] [stderr] 19 | ...                   .skip_while(|(value, coordinates)| *value > 1.)
[INFO] [stderr]    |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coordinates`
[INFO] [stderr]   --> src/main.rs:44:83
[INFO] [stderr]    |
[INFO] [stderr] 44 | ...                   .skip_while(|(value, coordinates)| *value > 1.)
[INFO] [stderr]    |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coordinates`
[INFO] [stderr]   --> src/main.rs:19:83
[INFO] [stderr]    |
[INFO] [stderr] 19 | ...                   .skip_while(|(value, coordinates)| *value > 1.)
[INFO] [stderr]    |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coordinates`
[INFO] [stderr]   --> src/main.rs:44:83
[INFO] [stderr]    |
[INFO] [stderr] 44 | ...                   .skip_while(|(value, coordinates)| *value > 1.)
[INFO] [stderr]    |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `"docker" "inspect" "2cb738c990c9166996321ebb2eed0180c6bb7ffe10ecce3cfdcc4d4e15319b9d"`
[INFO] running `"docker" "rm" "-f" "2cb738c990c9166996321ebb2eed0180c6bb7ffe10ecce3cfdcc4d4e15319b9d"`
[INFO] [stdout] 2cb738c990c9166996321ebb2eed0180c6bb7ffe10ecce3cfdcc4d4e15319b9d