[INFO] fetching crate simplers_optimization 0.4.1...
[INFO] testing simplers_optimization-0.4.1 against 1.44.0 for beta-1.45-1
[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 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 66b679b59f67252826a7354471873bee643fba08a4c1f6b0a640e670e85b5fd9
[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" "66b679b59f67252826a7354471873bee643fba08a4c1f6b0a640e670e85b5fd9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling indexmap v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling priority-queue v0.6.0
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `"docker" "inspect" "66b679b59f67252826a7354471873bee643fba08a4c1f6b0a640e670e85b5fd9"`
[INFO] running `"docker" "rm" "-f" "66b679b59f67252826a7354471873bee643fba08a4c1f6b0a640e670e85b5fd9"`
[INFO] [stdout] 66b679b59f67252826a7354471873bee643fba08a4c1f6b0a640e670e85b5fd9
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a717ac01281246cbed031a51c67b2d7f2c83ac1ee978f3dcea2136e9f54aa713
[INFO] running `"docker" "start" "-a" "a717ac01281246cbed031a51c67b2d7f2c83ac1ee978f3dcea2136e9f54aa713"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling 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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "a717ac01281246cbed031a51c67b2d7f2c83ac1ee978f3dcea2136e9f54aa713"`
[INFO] running `"docker" "rm" "-f" "a717ac01281246cbed031a51c67b2d7f2c83ac1ee978f3dcea2136e9f54aa713"`
[INFO] [stdout] a717ac01281246cbed031a51c67b2d7f2c83ac1ee978f3dcea2136e9f54aa713
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d9dc20b7189de0a9a3085c8781ebbb637970130d1b6d9ae5e017ae0bc147ce12
[INFO] running `"docker" "start" "-a" "d9dc20b7189de0a9a3085c8781ebbb637970130d1b6d9ae5e017ae0bc147ce12"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simplers_optimization-f0493c60819d7790
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simplers_optimization-a68415febc808ec4
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests simplers_optimization
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs -  (line 8) ... ok
[INFO] [stdout] test src/algorithm.rs - algorithm::Optimizer::minimize (line 152) ... ok
[INFO] [stdout] test src/algorithm.rs - algorithm::Optimizer::set_exploration_depth (line 93) ... ok
[INFO] [stdout] test src/algorithm.rs - algorithm::Optimizer::maximize (line 125) ... ok
[INFO] [stdout] test src/algorithm.rs - algorithm::Optimizer::new (line 31) ... ok
[INFO] [stdout] test src/lib.rs -  (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d9dc20b7189de0a9a3085c8781ebbb637970130d1b6d9ae5e017ae0bc147ce12"`
[INFO] running `"docker" "rm" "-f" "d9dc20b7189de0a9a3085c8781ebbb637970130d1b6d9ae5e017ae0bc147ce12"`
[INFO] [stdout] d9dc20b7189de0a9a3085c8781ebbb637970130d1b6d9ae5e017ae0bc147ce12