[INFO] fetching crate zenith-opt 0.0.1...
[INFO] testing zenith-opt-0.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate zenith-opt 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate zenith-opt 0.0.1
[INFO] finished tweaking crates.io crate zenith-opt 0.0.1
[INFO] tweaked toml for crates.io crate zenith-opt 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zenith-opt 0.0.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75d54ee84a50b41616507212f7986edc7ff9e8d8f6a0988b25d5d78eb95ad896
[INFO] running `Command { std: "docker" "start" "-a" "75d54ee84a50b41616507212f7986edc7ff9e8d8f6a0988b25d5d78eb95ad896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75d54ee84a50b41616507212f7986edc7ff9e8d8f6a0988b25d5d78eb95ad896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d54ee84a50b41616507212f7986edc7ff9e8d8f6a0988b25d5d78eb95ad896", kill_on_drop: false }`
[INFO] [stdout] 75d54ee84a50b41616507212f7986edc7ff9e8d8f6a0988b25d5d78eb95ad896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebd368688c6941fea98d8947610786b452d99fefe97c59fff8c6317d6a2a007e
[INFO] running `Command { std: "docker" "start" "-a" "ebd368688c6941fea98d8947610786b452d99fefe97c59fff8c6317d6a2a007e", kill_on_drop: false }`
[INFO] [stderr]    Compiling zenith-opt v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `LocalOptimizationProblem` is never used
[INFO] [stdout]   --> src/individual.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait LocalOptimizationProblem: Sized {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hill_climbing_search` is never used
[INFO] [stdout]   --> src/individual.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn hill_climbing_search<T: LocalOptimizationProblem<Score = impl Ord>>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "ebd368688c6941fea98d8947610786b452d99fefe97c59fff8c6317d6a2a007e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd368688c6941fea98d8947610786b452d99fefe97c59fff8c6317d6a2a007e", kill_on_drop: false }`
[INFO] [stdout] ebd368688c6941fea98d8947610786b452d99fefe97c59fff8c6317d6a2a007e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf1eb4f5337d2ab14e74376e8e1277da485254d0f25a90c027b8a8d32eb25dac
[INFO] running `Command { std: "docker" "start" "-a" "cf1eb4f5337d2ab14e74376e8e1277da485254d0f25a90c027b8a8d32eb25dac", kill_on_drop: false }`
[INFO] [stderr]    Compiling zenith-opt v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `LocalOptimizationProblem` is never used
[INFO] [stdout]   --> src/individual.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait LocalOptimizationProblem: Sized {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hill_climbing_search` is never used
[INFO] [stdout]   --> src/individual.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn hill_climbing_search<T: LocalOptimizationProblem<Score = impl Ord>>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "cf1eb4f5337d2ab14e74376e8e1277da485254d0f25a90c027b8a8d32eb25dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1eb4f5337d2ab14e74376e8e1277da485254d0f25a90c027b8a8d32eb25dac", kill_on_drop: false }`
[INFO] [stdout] cf1eb4f5337d2ab14e74376e8e1277da485254d0f25a90c027b8a8d32eb25dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86cd437ef3a6378d476ed5b31068819aebfd59e49f10d749c340f3225184476e
[INFO] running `Command { std: "docker" "start" "-a" "86cd437ef3a6378d476ed5b31068819aebfd59e49f10d749c340f3225184476e", kill_on_drop: false }`
[INFO] [stderr] warning: trait `LocalOptimizationProblem` is never used
[INFO] [stderr]   --> src/individual.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub trait LocalOptimizationProblem: Sized {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `hill_climbing_search` is never used
[INFO] [stderr]   --> src/individual.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn hill_climbing_search<T: LocalOptimizationProblem<Score = impl Ord>>(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `zenith-opt` (lib) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zenith_opt-21ad3952e1687de1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test individual::tests::test_quadratic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zenith_opt
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86cd437ef3a6378d476ed5b31068819aebfd59e49f10d749c340f3225184476e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cd437ef3a6378d476ed5b31068819aebfd59e49f10d749c340f3225184476e", kill_on_drop: false }`
[INFO] [stdout] 86cd437ef3a6378d476ed5b31068819aebfd59e49f10d749c340f3225184476e