[INFO] fetching crate optimization_engine 0.5.0...
[INFO] checking optimization_engine-0.5.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate optimization_engine 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate optimization_engine 0.5.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate optimization_engine 0.5.0
[INFO] finished tweaking crates.io crate optimization_engine 0.5.0
[INFO] tweaked toml for crates.io crate optimization_engine 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 96f98d2e3f437681512b49d04d751b1cbe7bd9fb033b576cc2d71a10575dec52
[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" "96f98d2e3f437681512b49d04d751b1cbe7bd9fb033b576cc2d71a10575dec52"`
[INFO] [stderr]     Checking lbfgs v0.2.1
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]    Compiling icasadi_test v0.0.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking unit_test_utils v0.1.3
[INFO] [stderr]     Checking optimization_engine v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraints/cartesian_product.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     constraints: Vec<&'a Constraint>,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Constraint`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraints/cartesian_product.rs:77:65
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn add_constraint(&mut self, ni: usize, constraint: &'a Constraint) {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^ help: use `dyn`: `dyn Constraint`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraints/cartesian_product.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     constraints: Vec<&'a Constraint>,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Constraint`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constraints/cartesian_product.rs:77:65
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn add_constraint(&mut self, ni: usize, constraint: &'a Constraint) {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^ help: use `dyn`: `dyn Constraint`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `"docker" "inspect" "96f98d2e3f437681512b49d04d751b1cbe7bd9fb033b576cc2d71a10575dec52"`
[INFO] running `"docker" "rm" "-f" "96f98d2e3f437681512b49d04d751b1cbe7bd9fb033b576cc2d71a10575dec52"`
[INFO] [stdout] 96f98d2e3f437681512b49d04d751b1cbe7bd9fb033b576cc2d71a10575dec52