[INFO] fetching crate simplers_optimization 0.4.1...
[INFO] checking simplers_optimization-0.4.1 against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] extracting crate simplers_optimization 0.4.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate simplers_optimization 0.4.1 on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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-3/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3791da58126f58a89351e6742239ec409e22b76199719e3bf9e85180ce9a139f
[INFO] running `"docker" "start" "-a" "3791da58126f58a89351e6742239ec409e22b76199719e3bf9e85180ce9a139f"`
[INFO] [stderr]    Compiling num-traits v0.2.10
[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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_coordinates`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `"docker" "inspect" "3791da58126f58a89351e6742239ec409e22b76199719e3bf9e85180ce9a139f"`
[INFO] running `"docker" "rm" "-f" "3791da58126f58a89351e6742239ec409e22b76199719e3bf9e85180ce9a139f"`
[INFO] [stdout] 3791da58126f58a89351e6742239ec409e22b76199719e3bf9e85180ce9a139f