[INFO] fetching crate simplers_optimization 0.4.1...
[INFO] testing simplers_optimization-0.4.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate simplers_optimization 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate simplers_optimization 0.4.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-0/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" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 00c391582c4facfd56a636111c88e6dbd83a2e28294c5259ff01b9826d194f97
[INFO] running `"docker" "start" "-a" "00c391582c4facfd56a636111c88e6dbd83a2e28294c5259ff01b9826d194f97"`
[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 5.74s
[INFO] running `"docker" "inspect" "00c391582c4facfd56a636111c88e6dbd83a2e28294c5259ff01b9826d194f97"`
[INFO] running `"docker" "rm" "-f" "00c391582c4facfd56a636111c88e6dbd83a2e28294c5259ff01b9826d194f97"`
[INFO] [stdout] 00c391582c4facfd56a636111c88e6dbd83a2e28294c5259ff01b9826d194f97
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-06-03" "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] 0ef31312566617f9233009157feb228c68e04a08b36b1c22e3e80cd74c5d7f7a
[INFO] running `"docker" "start" "-a" "0ef31312566617f9233009157feb228c68e04a08b36b1c22e3e80cd74c5d7f7a"`
[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 0.96s
[INFO] running `"docker" "inspect" "0ef31312566617f9233009157feb228c68e04a08b36b1c22e3e80cd74c5d7f7a"`
[INFO] running `"docker" "rm" "-f" "0ef31312566617f9233009157feb228c68e04a08b36b1c22e3e80cd74c5d7f7a"`
[INFO] [stdout] 0ef31312566617f9233009157feb228c68e04a08b36b1c22e3e80cd74c5d7f7a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-06-03" "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] cb9be88166c956c842ca3c886679c4306b37844f659e30f6da4204eaa39d4bcf
[INFO] running `"docker" "start" "-a" "cb9be88166c956c842ca3c886679c4306b37844f659e30f6da4204eaa39d4bcf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `coordinates`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:19:83
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 19 | ...                   .skip_while(|(value, coordinates)| *value > 1.)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stdout] 
[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 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simplers_optimization-62c5f2ec991023f7
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simplers_optimization-06dc1b7622f81a1c
[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] [stderr]    Doc-tests simplers_optimization
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/algorithm.rs - algorithm::Optimizer::new (line 31) ... ok
[INFO] [stdout] test src/lib.rs -  (line 8) ... ok
[INFO] [stdout] test src/lib.rs -  (line 22) ... ok
[INFO] [stdout] test src/algorithm.rs - algorithm::Optimizer::maximize (line 125) ... 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] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cb9be88166c956c842ca3c886679c4306b37844f659e30f6da4204eaa39d4bcf"`
[INFO] running `"docker" "rm" "-f" "cb9be88166c956c842ca3c886679c4306b37844f659e30f6da4204eaa39d4bcf"`
[INFO] [stdout] cb9be88166c956c842ca3c886679c4306b37844f659e30f6da4204eaa39d4bcf